1988 lines
58 KiB
C
1988 lines
58 KiB
C
/*
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* Kernel synchronization objects
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*
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* Copyright 1998 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <errno.h>
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_POLL_H
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#include <poll.h>
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#endif
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#ifdef HAVE_SYS_POLL_H
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#include <sys/poll.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "ntstatus.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winnls.h"
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#include "winternl.h"
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#include "winioctl.h"
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#include "wine/server.h"
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#include "wine/unicode.h"
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#include "wine/winbase16.h"
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#include "kernel_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(sync);
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/* check if current version is NT or Win95 */
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inline static int is_version_nt(void)
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{
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return !(GetVersion() & 0x80000000);
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}
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/***********************************************************************
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* Sleep (KERNEL32.@)
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*/
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VOID WINAPI Sleep( DWORD timeout )
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{
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SleepEx( timeout, FALSE );
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}
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/******************************************************************************
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* SleepEx (KERNEL32.@)
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*/
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DWORD WINAPI SleepEx( DWORD timeout, BOOL alertable )
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{
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NTSTATUS status;
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if (timeout == INFINITE) status = NtDelayExecution( alertable, NULL );
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else
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{
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LARGE_INTEGER time;
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time.QuadPart = timeout * (ULONGLONG)10000;
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time.QuadPart = -time.QuadPart;
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status = NtDelayExecution( alertable, &time );
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}
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if (status != STATUS_USER_APC) status = STATUS_SUCCESS;
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return status;
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}
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/***********************************************************************
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* SwitchToThread (KERNEL32.@)
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*/
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BOOL WINAPI SwitchToThread(void)
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{
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return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED);
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}
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/***********************************************************************
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* WaitForSingleObject (KERNEL32.@)
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*/
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DWORD WINAPI WaitForSingleObject( HANDLE handle, DWORD timeout )
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{
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return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE );
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}
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/***********************************************************************
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* WaitForSingleObjectEx (KERNEL32.@)
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*/
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DWORD WINAPI WaitForSingleObjectEx( HANDLE handle, DWORD timeout,
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BOOL alertable )
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{
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return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable );
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}
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/***********************************************************************
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* WaitForMultipleObjects (KERNEL32.@)
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*/
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DWORD WINAPI WaitForMultipleObjects( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout )
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{
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return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
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}
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/***********************************************************************
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* WaitForMultipleObjectsEx (KERNEL32.@)
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*/
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DWORD WINAPI WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout,
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BOOL alertable )
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{
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NTSTATUS status;
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HANDLE hloc[MAXIMUM_WAIT_OBJECTS];
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unsigned int i;
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if (count >= MAXIMUM_WAIT_OBJECTS)
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return WAIT_FAILED;
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}
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for (i = 0; i < count; i++)
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{
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if ((handles[i] == (HANDLE)STD_INPUT_HANDLE) ||
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(handles[i] == (HANDLE)STD_OUTPUT_HANDLE) ||
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(handles[i] == (HANDLE)STD_ERROR_HANDLE))
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hloc[i] = GetStdHandle( (DWORD)handles[i] );
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else
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hloc[i] = handles[i];
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/* yes, even screen buffer console handles are waitable, and are
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* handled as a handle to the console itself !!
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*/
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if (is_console_handle(hloc[i]))
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{
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if (!VerifyConsoleIoHandle(hloc[i]))
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{
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return FALSE;
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}
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hloc[i] = GetConsoleInputWaitHandle();
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}
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}
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if (timeout == INFINITE)
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{
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status = NtWaitForMultipleObjects( count, hloc, wait_all, alertable, NULL );
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}
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else
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{
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LARGE_INTEGER time;
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time.QuadPart = timeout * (ULONGLONG)10000;
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time.QuadPart = -time.QuadPart;
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status = NtWaitForMultipleObjects( count, hloc, wait_all, alertable, &time );
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}
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if (HIWORD(status)) /* is it an error code? */
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{
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SetLastError( RtlNtStatusToDosError(status) );
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status = WAIT_FAILED;
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}
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return status;
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}
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/***********************************************************************
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* WaitForSingleObject (KERNEL.460)
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*/
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DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
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{
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DWORD retval, mutex_count;
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ReleaseThunkLock( &mutex_count );
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retval = WaitForSingleObject( handle, timeout );
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RestoreThunkLock( mutex_count );
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return retval;
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}
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/***********************************************************************
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* WaitForMultipleObjects (KERNEL.461)
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*/
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DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout )
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{
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DWORD retval, mutex_count;
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ReleaseThunkLock( &mutex_count );
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retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
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RestoreThunkLock( mutex_count );
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return retval;
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}
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/***********************************************************************
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* WaitForMultipleObjectsEx (KERNEL.495)
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*/
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DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout, BOOL alertable )
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{
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DWORD retval, mutex_count;
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ReleaseThunkLock( &mutex_count );
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retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
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RestoreThunkLock( mutex_count );
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return retval;
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}
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/***********************************************************************
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* RegisterWaitForSingleObject (KERNEL32.@)
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*/
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BOOL WINAPI RegisterWaitForSingleObject(PHANDLE phNewWaitObject, HANDLE hObject,
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WAITORTIMERCALLBACK Callback, PVOID Context,
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ULONG dwMilliseconds, ULONG dwFlags)
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{
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FIXME("%p %p %p %p %ld %ld\n",
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phNewWaitObject,hObject,Callback,Context,dwMilliseconds,dwFlags);
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return FALSE;
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}
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/***********************************************************************
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* RegisterWaitForSingleObjectEx (KERNEL32.@)
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*/
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HANDLE WINAPI RegisterWaitForSingleObjectEx( HANDLE hObject,
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WAITORTIMERCALLBACK Callback, PVOID Context,
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ULONG dwMilliseconds, ULONG dwFlags )
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{
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FIXME("%p %p %p %ld %ld\n",
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hObject,Callback,Context,dwMilliseconds,dwFlags);
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return 0;
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}
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/***********************************************************************
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* UnregisterWait (KERNEL32.@)
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*/
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BOOL WINAPI UnregisterWait( HANDLE WaitHandle )
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{
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FIXME("%p\n",WaitHandle);
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return FALSE;
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}
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/***********************************************************************
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* UnregisterWaitEx (KERNEL32.@)
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*/
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BOOL WINAPI UnregisterWaitEx( HANDLE WaitHandle, HANDLE CompletionEvent )
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{
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FIXME("%p %p\n",WaitHandle, CompletionEvent);
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return FALSE;
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}
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/***********************************************************************
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* SignalObjectAndWait (KERNEL32.@)
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*
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* Allows to atomically signal any of the synchro objects (semaphore,
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* mutex, event) and wait on another.
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*/
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DWORD WINAPI SignalObjectAndWait( HANDLE hObjectToSignal, HANDLE hObjectToWaitOn,
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DWORD dwMilliseconds, BOOL bAlertable )
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{
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NTSTATUS status;
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LARGE_INTEGER timeout, *ptimeout = NULL;
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TRACE("%p %p %ld %d\n", hObjectToSignal,
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hObjectToWaitOn, dwMilliseconds, bAlertable);
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if (dwMilliseconds != INFINITE)
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{
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timeout.QuadPart = dwMilliseconds * (ULONGLONG)10000;
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timeout.QuadPart = -timeout.QuadPart;
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ptimeout = &timeout;
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}
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status = NtSignalAndWaitForSingleObject( hObjectToSignal, hObjectToWaitOn,
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bAlertable, ptimeout );
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if (HIWORD(status))
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{
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SetLastError( RtlNtStatusToDosError(status) );
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status = WAIT_FAILED;
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}
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return status;
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}
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/***********************************************************************
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* InitializeCriticalSection (KERNEL32.@)
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*
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* Initialise a critical section before use.
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*
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* PARAMS
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* crit [O] Critical section to initialise.
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*
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* RETURNS
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* Nothing. If the function fails an exception is raised.
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*/
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void WINAPI InitializeCriticalSection( CRITICAL_SECTION *crit )
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{
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NTSTATUS ret = RtlInitializeCriticalSection( crit );
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if (ret) RtlRaiseStatus( ret );
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}
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/***********************************************************************
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* InitializeCriticalSectionAndSpinCount (KERNEL32.@)
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*
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* Initialise a critical section with a spin count.
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*
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* PARAMS
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* crit [O] Critical section to initialise.
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* spincount [I] Number of times to spin upon contention.
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*
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* RETURNS
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* Success: TRUE.
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* Failure: Nothing. If the function fails an exception is raised.
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*
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* NOTES
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* spincount is ignored on uni-processor systems.
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*/
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BOOL WINAPI InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
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{
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NTSTATUS ret = RtlInitializeCriticalSectionAndSpinCount( crit, spincount );
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if (ret) RtlRaiseStatus( ret );
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return !ret;
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}
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/***********************************************************************
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* MakeCriticalSectionGlobal (KERNEL32.@)
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*/
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void WINAPI MakeCriticalSectionGlobal( CRITICAL_SECTION *crit )
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{
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/* let's assume that only one thread at a time will try to do this */
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HANDLE sem = crit->LockSemaphore;
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if (!sem) NtCreateSemaphore( &sem, SEMAPHORE_ALL_ACCESS, NULL, 0, 1 );
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crit->LockSemaphore = ConvertToGlobalHandle( sem );
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if (crit->DebugInfo)
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{
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RtlFreeHeap( GetProcessHeap(), 0, crit->DebugInfo );
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crit->DebugInfo = NULL;
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}
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}
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/***********************************************************************
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* ReinitializeCriticalSection (KERNEL32.@)
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*
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* Initialise an already used critical section.
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*
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* PARAMS
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* crit [O] Critical section to initialise.
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*
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* RETURNS
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* Nothing.
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*/
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void WINAPI ReinitializeCriticalSection( CRITICAL_SECTION *crit )
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{
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if ( !crit->LockSemaphore )
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RtlInitializeCriticalSection( crit );
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}
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/***********************************************************************
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* UninitializeCriticalSection (KERNEL32.@)
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*
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* UnInitialise a critical section after use.
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*
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* PARAMS
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* crit [O] Critical section to uninitialise (destroy).
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*
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* RETURNS
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* Nothing.
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*/
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void WINAPI UninitializeCriticalSection( CRITICAL_SECTION *crit )
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{
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RtlDeleteCriticalSection( crit );
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}
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/***********************************************************************
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* CreateEventA (KERNEL32.@)
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*/
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HANDLE WINAPI CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
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BOOL initial_state, LPCSTR name )
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{
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WCHAR buffer[MAX_PATH];
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if (!name) return CreateEventW( sa, manual_reset, initial_state, NULL );
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if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
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{
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SetLastError( ERROR_FILENAME_EXCED_RANGE );
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return 0;
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}
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return CreateEventW( sa, manual_reset, initial_state, buffer );
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}
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/***********************************************************************
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* CreateEventW (KERNEL32.@)
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*/
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HANDLE WINAPI CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
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BOOL initial_state, LPCWSTR name )
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{
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HANDLE ret;
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UNICODE_STRING nameW;
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OBJECT_ATTRIBUTES attr;
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NTSTATUS status;
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/* one buggy program needs this
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* ("Van Dale Groot woordenboek der Nederlandse taal")
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*/
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if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES)))
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{
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ERR("Bad security attributes pointer %p\n",sa);
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SetLastError( ERROR_INVALID_PARAMETER);
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return 0;
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}
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.ObjectName = NULL;
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attr.Attributes = OBJ_CASE_INSENSITIVE |
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((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
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attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
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attr.SecurityQualityOfService = NULL;
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if (name)
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{
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RtlInitUnicodeString( &nameW, name );
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attr.ObjectName = &nameW;
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}
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status = NtCreateEvent( &ret, EVENT_ALL_ACCESS, &attr, manual_reset, initial_state );
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SetLastError( RtlNtStatusToDosError(status) );
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return ret;
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}
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/***********************************************************************
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* CreateW32Event (KERNEL.457)
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*/
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HANDLE WINAPI WIN16_CreateEvent( BOOL manual_reset, BOOL initial_state )
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{
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return CreateEventW( NULL, manual_reset, initial_state, NULL );
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}
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/***********************************************************************
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* OpenEventA (KERNEL32.@)
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*/
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HANDLE WINAPI OpenEventA( DWORD access, BOOL inherit, LPCSTR name )
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{
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WCHAR buffer[MAX_PATH];
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if (!name) return OpenEventW( access, inherit, NULL );
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if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
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{
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SetLastError( ERROR_FILENAME_EXCED_RANGE );
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return 0;
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}
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return OpenEventW( access, inherit, buffer );
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}
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/***********************************************************************
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* OpenEventW (KERNEL32.@)
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*/
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HANDLE WINAPI OpenEventW( DWORD access, BOOL inherit, LPCWSTR name )
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{
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HANDLE ret;
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UNICODE_STRING nameW;
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OBJECT_ATTRIBUTES attr;
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NTSTATUS status;
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if (!is_version_nt()) access = EVENT_ALL_ACCESS;
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.ObjectName = NULL;
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attr.Attributes = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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if (name)
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{
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RtlInitUnicodeString( &nameW, name );
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attr.ObjectName = &nameW;
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}
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status = NtOpenEvent( &ret, access, &attr );
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if (status != STATUS_SUCCESS)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return 0;
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}
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return ret;
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}
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/***********************************************************************
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* PulseEvent (KERNEL32.@)
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*/
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BOOL WINAPI PulseEvent( HANDLE handle )
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{
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NTSTATUS status;
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if ((status = NtPulseEvent( handle, NULL )))
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SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/***********************************************************************
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* SetW32Event (KERNEL.458)
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* SetEvent (KERNEL32.@)
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*/
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BOOL WINAPI SetEvent( HANDLE handle )
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{
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NTSTATUS status;
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if ((status = NtSetEvent( handle, NULL )))
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SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/***********************************************************************
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* ResetW32Event (KERNEL.459)
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* ResetEvent (KERNEL32.@)
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*/
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BOOL WINAPI ResetEvent( HANDLE handle )
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{
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NTSTATUS status;
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if ((status = NtResetEvent( handle, NULL )))
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SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/***********************************************************************
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* NOTE: The Win95 VWin32_Event routines given below are really low-level
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* routines implemented directly by VWin32. The user-mode libraries
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* implement Win32 synchronisation routines on top of these low-level
|
|
* primitives. We do it the other way around here :-)
|
|
*/
|
|
|
|
/***********************************************************************
|
|
* VWin32_EventCreate (KERNEL.442)
|
|
*/
|
|
HANDLE WINAPI VWin32_EventCreate(VOID)
|
|
{
|
|
HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
|
|
return ConvertToGlobalHandle( hEvent );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* VWin32_EventDestroy (KERNEL.443)
|
|
*/
|
|
VOID WINAPI VWin32_EventDestroy(HANDLE event)
|
|
{
|
|
CloseHandle( event );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* VWin32_EventWait (KERNEL.450)
|
|
*/
|
|
VOID WINAPI VWin32_EventWait(HANDLE event)
|
|
{
|
|
DWORD mutex_count;
|
|
|
|
ReleaseThunkLock( &mutex_count );
|
|
WaitForSingleObject( event, INFINITE );
|
|
RestoreThunkLock( mutex_count );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* VWin32_EventSet (KERNEL.451)
|
|
* KERNEL_479 (KERNEL.479)
|
|
*/
|
|
VOID WINAPI VWin32_EventSet(HANDLE event)
|
|
{
|
|
SetEvent( event );
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateMutexA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return CreateMutexW( sa, owner, NULL );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return CreateMutexW( sa, owner, buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateMutexW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
|
|
{
|
|
HANDLE ret;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
NTSTATUS status;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = NULL;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE |
|
|
((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
if (name)
|
|
{
|
|
RtlInitUnicodeString( &nameW, name );
|
|
attr.ObjectName = &nameW;
|
|
}
|
|
|
|
status = NtCreateMutant( &ret, MUTEX_ALL_ACCESS, &attr, owner );
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenMutexA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI OpenMutexA( DWORD access, BOOL inherit, LPCSTR name )
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return OpenMutexW( access, inherit, NULL );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return OpenMutexW( access, inherit, buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenMutexW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
|
|
{
|
|
HANDLE ret;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
NTSTATUS status;
|
|
|
|
if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = NULL;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
if (name)
|
|
{
|
|
RtlInitUnicodeString( &nameW, name );
|
|
attr.ObjectName = &nameW;
|
|
}
|
|
|
|
status = NtOpenMutant( &ret, access, &attr );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ReleaseMutex (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI ReleaseMutex( HANDLE handle )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = NtReleaseMutant(handle, NULL);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* Semaphores
|
|
*/
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateSemaphoreA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name )
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return CreateSemaphoreW( sa, initial, max, NULL );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return CreateSemaphoreW( sa, initial, max, buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateSemaphoreW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial,
|
|
LONG max, LPCWSTR name )
|
|
{
|
|
HANDLE ret;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
NTSTATUS status;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = NULL;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE |
|
|
((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
if (name)
|
|
{
|
|
RtlInitUnicodeString( &nameW, name );
|
|
attr.ObjectName = &nameW;
|
|
}
|
|
|
|
status = NtCreateSemaphore( &ret, SEMAPHORE_ALL_ACCESS, &attr, initial, max );
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenSemaphoreA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI OpenSemaphoreA( DWORD access, BOOL inherit, LPCSTR name )
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return OpenSemaphoreW( access, inherit, NULL );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return OpenSemaphoreW( access, inherit, buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenSemaphoreW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name )
|
|
{
|
|
HANDLE ret;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
NTSTATUS status;
|
|
|
|
if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = NULL;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
if (name)
|
|
{
|
|
RtlInitUnicodeString( &nameW, name );
|
|
attr.ObjectName = &nameW;
|
|
}
|
|
|
|
status = NtOpenSemaphore( &ret, access, &attr );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ReleaseSemaphore (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
|
|
{
|
|
NTSTATUS status = NtReleaseSemaphore( handle, count, (PULONG)previous );
|
|
if (status) SetLastError( RtlNtStatusToDosError(status) );
|
|
return !status;
|
|
}
|
|
|
|
|
|
/*
|
|
* Timers
|
|
*/
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateWaitableTimerA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return CreateWaitableTimerW( sa, manual, NULL );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return CreateWaitableTimerW( sa, manual, buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateWaitableTimerW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
|
|
{
|
|
HANDLE handle;
|
|
NTSTATUS status;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = NULL;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE |
|
|
((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
if (name)
|
|
{
|
|
RtlInitUnicodeString( &nameW, name );
|
|
attr.ObjectName = &nameW;
|
|
}
|
|
|
|
status = NtCreateTimer(&handle, TIMER_ALL_ACCESS, &attr,
|
|
manual ? NotificationTimer : SynchronizationTimer);
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenWaitableTimerA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name )
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return OpenWaitableTimerW( access, inherit, NULL );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return OpenWaitableTimerW( access, inherit, buffer );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenWaitableTimerW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
|
|
{
|
|
HANDLE handle;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
NTSTATUS status;
|
|
|
|
if (!is_version_nt()) access = TIMER_ALL_ACCESS;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = NULL;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
if (name)
|
|
{
|
|
RtlInitUnicodeString( &nameW, name );
|
|
attr.ObjectName = &nameW;
|
|
}
|
|
|
|
status = NtOpenTimer(&handle, access, &attr);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWaitableTimer (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period,
|
|
PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume )
|
|
{
|
|
NTSTATUS status = NtSetTimer(handle, when, (PTIMER_APC_ROUTINE)callback,
|
|
arg, resume, period, NULL);
|
|
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
if (status != STATUS_TIMER_RESUME_IGNORED) return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CancelWaitableTimer (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI CancelWaitableTimer( HANDLE handle )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = NtCancelTimer(handle, NULL);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateTimerQueue (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateTimerQueue(void)
|
|
{
|
|
FIXME("stub\n");
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteTimerQueueEx (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
|
|
{
|
|
FIXME("(%p, %p): stub\n", TimerQueue, CompletionEvent);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateTimerQueueTimer (KERNEL32.@)
|
|
*
|
|
* Creates a timer-queue timer. This timer expires at the specified due
|
|
* time (in ms), then after every specified period (in ms). When the timer
|
|
* expires, the callback function is called.
|
|
*
|
|
* RETURNS
|
|
* nonzero on success or zero on faillure
|
|
*
|
|
* BUGS
|
|
* Unimplemented
|
|
*/
|
|
BOOL WINAPI CreateTimerQueueTimer( PHANDLE phNewTimer, HANDLE TimerQueue,
|
|
WAITORTIMERCALLBACK Callback, PVOID Parameter,
|
|
DWORD DueTime, DWORD Period, ULONG Flags )
|
|
{
|
|
FIXME("stub\n");
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DeleteTimerQueueTimer (KERNEL32.@)
|
|
*
|
|
* Cancels a timer-queue timer.
|
|
*
|
|
* RETURNS
|
|
* nonzero on success or zero on faillure
|
|
*
|
|
* BUGS
|
|
* Unimplemented
|
|
*/
|
|
BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
|
|
HANDLE CompletionEvent )
|
|
{
|
|
FIXME("stub\n");
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* Pipes
|
|
*/
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateNamedPipeA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode,
|
|
DWORD dwPipeMode, DWORD nMaxInstances,
|
|
DWORD nOutBufferSize, DWORD nInBufferSize,
|
|
DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return CreateNamedPipeW( NULL, dwOpenMode, dwPipeMode, nMaxInstances,
|
|
nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
return CreateNamedPipeW( buffer, dwOpenMode, dwPipeMode, nMaxInstances,
|
|
nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateNamedPipeW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
|
|
DWORD dwPipeMode, DWORD nMaxInstances,
|
|
DWORD nOutBufferSize, DWORD nInBufferSize,
|
|
DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES sa )
|
|
{
|
|
HANDLE handle;
|
|
UNICODE_STRING nt_name;
|
|
OBJECT_ATTRIBUTES attr;
|
|
DWORD options;
|
|
BOOLEAN pipe_type, read_mode, non_block;
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK iosb;
|
|
LARGE_INTEGER timeout;
|
|
|
|
TRACE("(%s, %#08lx, %#08lx, %ld, %ld, %ld, %ld, %p)\n",
|
|
debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances,
|
|
nOutBufferSize, nInBufferSize, nDefaultTimeOut, sa );
|
|
|
|
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
|
|
{
|
|
SetLastError( ERROR_PATH_NOT_FOUND );
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) )
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
RtlFreeUnicodeString( &nt_name );
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = &nt_name;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE |
|
|
((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
|
|
options = 0;
|
|
if (dwOpenMode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH;
|
|
if (!(dwOpenMode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_ALERT;
|
|
if ((dwOpenMode & PIPE_ACCESS_DUPLEX) == PIPE_ACCESS_DUPLEX)
|
|
options |= FILE_PIPE_FULL_DUPLEX;
|
|
else if (dwOpenMode & PIPE_ACCESS_INBOUND) options |= FILE_PIPE_INBOUND;
|
|
else if (dwOpenMode & PIPE_ACCESS_OUTBOUND) options |= FILE_PIPE_OUTBOUND;
|
|
pipe_type = (dwPipeMode & PIPE_TYPE_MESSAGE) ? TRUE : FALSE;
|
|
read_mode = (dwPipeMode & PIPE_READMODE_MESSAGE) ? TRUE : FALSE;
|
|
non_block = (dwPipeMode & PIPE_NOWAIT) ? TRUE : FALSE;
|
|
if (nMaxInstances >= PIPE_UNLIMITED_INSTANCES) nMaxInstances = ~0UL;
|
|
|
|
timeout.QuadPart = (ULONGLONG)nDefaultTimeOut * -10000;
|
|
|
|
SetLastError(0);
|
|
|
|
status = NtCreateNamedPipeFile(&handle, GENERIC_READ|GENERIC_WRITE, &attr, &iosb,
|
|
0, FILE_OVERWRITE_IF, options, pipe_type,
|
|
read_mode, non_block, nMaxInstances,
|
|
nInBufferSize, nOutBufferSize, &timeout);
|
|
|
|
RtlFreeUnicodeString( &nt_name );
|
|
if (status)
|
|
{
|
|
handle = INVALID_HANDLE_VALUE;
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
}
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PeekNamedPipe (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
|
|
LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
|
|
{
|
|
#ifdef FIONREAD
|
|
int avail=0, fd, ret, flags;
|
|
|
|
TRACE("(%p,%p,%lu,%p,%p,%p)\n", hPipe, lpvBuffer, cbBuffer, lpcbRead, lpcbAvail, lpcbMessage);
|
|
|
|
ret = wine_server_handle_to_fd( hPipe, GENERIC_READ, &fd, &flags );
|
|
if (ret)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(ret) );
|
|
return FALSE;
|
|
}
|
|
if (flags & FD_FLAG_RECV_SHUTDOWN)
|
|
{
|
|
wine_server_release_fd( hPipe, fd );
|
|
SetLastError ( ERROR_PIPE_NOT_CONNECTED );
|
|
return FALSE;
|
|
}
|
|
|
|
if (ioctl(fd,FIONREAD, &avail ) != 0)
|
|
{
|
|
TRACE("FIONREAD failed reason: %s\n",strerror(errno));
|
|
wine_server_release_fd( hPipe, fd );
|
|
return FALSE;
|
|
}
|
|
if (!avail) /* check for closed pipe */
|
|
{
|
|
struct pollfd pollfd;
|
|
pollfd.fd = fd;
|
|
pollfd.events = POLLIN;
|
|
pollfd.revents = 0;
|
|
switch (poll( &pollfd, 1, 0 ))
|
|
{
|
|
case 0:
|
|
break;
|
|
case 1: /* got something */
|
|
if (!(pollfd.revents & (POLLHUP | POLLERR))) break;
|
|
TRACE("POLLHUP | POLLERR\n");
|
|
/* fall through */
|
|
case -1:
|
|
wine_server_release_fd( hPipe, fd );
|
|
SetLastError(ERROR_BROKEN_PIPE);
|
|
return FALSE;
|
|
}
|
|
}
|
|
TRACE(" 0x%08x bytes available\n", avail );
|
|
ret = TRUE;
|
|
if (lpcbAvail)
|
|
*lpcbAvail = avail;
|
|
if (lpcbRead)
|
|
*lpcbRead = 0;
|
|
if (avail && lpvBuffer && cbBuffer)
|
|
{
|
|
int readbytes = (avail < cbBuffer) ? avail : cbBuffer;
|
|
readbytes = recv(fd, lpvBuffer, readbytes, MSG_PEEK);
|
|
if (readbytes < 0)
|
|
{
|
|
WARN("failed to peek socket (%d)\n", errno);
|
|
ret = FALSE;
|
|
}
|
|
else if (lpcbRead)
|
|
*lpcbRead = readbytes;
|
|
}
|
|
wine_server_release_fd( hPipe, fd );
|
|
return ret;
|
|
#endif /* defined(FIONREAD) */
|
|
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
FIXME("function not implemented\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PIPE_CompletionWait (Internal)
|
|
*/
|
|
static void CALLBACK PIPE_CompletionWait(void *user, PIO_STATUS_BLOCK iosb, ULONG status)
|
|
{
|
|
LPOVERLAPPED ovlp = (LPOVERLAPPED)user;
|
|
|
|
TRACE("for %p/%p, status=%08lx\n", ovlp, iosb, status);
|
|
|
|
if (ovlp)
|
|
{
|
|
ovlp->Internal = status;
|
|
SetEvent(ovlp->hEvent);
|
|
}
|
|
TRACE("done\n");
|
|
}
|
|
|
|
/***********************************************************************
|
|
* WaitNamedPipeA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI WaitNamedPipeA (LPCSTR name, DWORD nTimeOut)
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
|
|
if (!name) return WaitNamedPipeW( NULL, nTimeOut );
|
|
|
|
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return WaitNamedPipeW( buffer, nTimeOut );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WaitNamedPipeW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI WaitNamedPipeW (LPCWSTR name, DWORD nTimeOut)
|
|
{
|
|
BOOL ret;
|
|
OVERLAPPED ov;
|
|
UNICODE_STRING nt_name;
|
|
static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
|
|
|
|
TRACE("%s 0x%08lx\n",debugstr_w(name),nTimeOut);
|
|
|
|
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
|
|
return FALSE;
|
|
|
|
if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) )
|
|
{
|
|
RtlFreeUnicodeString( &nt_name );
|
|
return FALSE;
|
|
}
|
|
if (nt_name.Length < sizeof(leadin) ||
|
|
strncmpiW( nt_name.Buffer, leadin, sizeof(leadin)/sizeof(leadin[0])))
|
|
{
|
|
RtlFreeUnicodeString( &nt_name );
|
|
return FALSE;
|
|
}
|
|
|
|
memset(&ov,0,sizeof(ov));
|
|
ov.hEvent = CreateEventW( NULL, 0, 0, NULL );
|
|
if (!ov.hEvent)
|
|
return FALSE;
|
|
|
|
SERVER_START_REQ( wait_named_pipe )
|
|
{
|
|
req->timeout = nTimeOut;
|
|
req->overlapped = &ov;
|
|
req->func = PIPE_CompletionWait;
|
|
wine_server_add_data( req, nt_name.Buffer + 4, nt_name.Length - 4*sizeof(WCHAR) );
|
|
ret = !wine_server_call_err( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
RtlFreeUnicodeString( &nt_name );
|
|
|
|
if(ret)
|
|
{
|
|
if (WAIT_OBJECT_0==WaitForSingleObject(ov.hEvent,INFINITE))
|
|
{
|
|
SetLastError(RtlNtStatusToDosError(ov.Internal));
|
|
ret = (ov.Internal==STATUS_SUCCESS);
|
|
}
|
|
}
|
|
CloseHandle(ov.hEvent);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ConnectNamedPipe (KERNEL32.@)
|
|
*
|
|
* Connects to a named pipe
|
|
*
|
|
* Parameters
|
|
* hPipe: A handle to a named pipe returned by CreateNamedPipe
|
|
* overlapped: Optional OVERLAPPED struct
|
|
*
|
|
* Return values
|
|
* TRUE: Success
|
|
* FALSE: Failure, GetLastError can be called for further details
|
|
*/
|
|
BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
|
|
{
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK status_block;
|
|
|
|
TRACE("(%p,%p)\n", hPipe, overlapped);
|
|
|
|
if(overlapped)
|
|
overlapped->Internal = STATUS_PENDING;
|
|
|
|
status = NtFsControlFile(hPipe, overlapped ? overlapped->hEvent : NULL, NULL, NULL,
|
|
overlapped ? (IO_STATUS_BLOCK *)overlapped : &status_block,
|
|
FSCTL_PIPE_LISTEN, NULL, 0, NULL, 0);
|
|
|
|
if (status == STATUS_SUCCESS) return TRUE;
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DisconnectNamedPipe (KERNEL32.@)
|
|
*
|
|
* Disconnects from a named pipe
|
|
*
|
|
* Parameters
|
|
* hPipe: A handle to a named pipe returned by CreateNamedPipe
|
|
*
|
|
* Return values
|
|
* TRUE: Success
|
|
* FALSE: Failure, GetLastError can be called for further details
|
|
*/
|
|
BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe)
|
|
{
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK io_block;
|
|
|
|
TRACE("(%p)\n",hPipe);
|
|
|
|
status = NtFsControlFile(hPipe, 0, NULL, NULL, &io_block, FSCTL_PIPE_DISCONNECT,
|
|
NULL, 0, NULL, 0);
|
|
if (status == STATUS_SUCCESS) return TRUE;
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* TransactNamedPipe (KERNEL32.@)
|
|
*
|
|
* BUGS
|
|
* should be done as a single operation in the wineserver or kernel
|
|
*/
|
|
BOOL WINAPI TransactNamedPipe(
|
|
HANDLE handle, LPVOID lpInput, DWORD dwInputSize, LPVOID lpOutput,
|
|
DWORD dwOutputSize, LPDWORD lpBytesRead, LPOVERLAPPED lpOverlapped)
|
|
{
|
|
BOOL r;
|
|
DWORD count;
|
|
|
|
TRACE("%p %p %ld %p %ld %p %p\n",
|
|
handle, lpInput, dwInputSize, lpOutput,
|
|
dwOutputSize, lpBytesRead, lpOverlapped);
|
|
|
|
if (lpOverlapped)
|
|
{
|
|
FIXME("Doesn't support overlapped operation as yet\n");
|
|
return FALSE;
|
|
}
|
|
|
|
r = WriteFile(handle, lpOutput, dwOutputSize, &count, NULL);
|
|
if (r)
|
|
r = ReadFile(handle, lpInput, dwInputSize, lpBytesRead, NULL);
|
|
|
|
return r;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetNamedPipeInfo (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetNamedPipeInfo(
|
|
HANDLE hNamedPipe, LPDWORD lpFlags, LPDWORD lpOutputBufferSize,
|
|
LPDWORD lpInputBufferSize, LPDWORD lpMaxInstances)
|
|
{
|
|
BOOL ret;
|
|
|
|
TRACE("%p %p %p %p %p\n", hNamedPipe, lpFlags,
|
|
lpOutputBufferSize, lpInputBufferSize, lpMaxInstances);
|
|
|
|
SERVER_START_REQ( get_named_pipe_info )
|
|
{
|
|
req->handle = hNamedPipe;
|
|
ret = !wine_server_call_err( req );
|
|
if (lpFlags)
|
|
{
|
|
*lpFlags = 0;
|
|
if (reply->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE)
|
|
*lpFlags |= PIPE_TYPE_MESSAGE;
|
|
if (reply->flags & NAMED_PIPE_MESSAGE_STREAM_READ)
|
|
*lpFlags |= PIPE_READMODE_MESSAGE;
|
|
if (reply->flags & NAMED_PIPE_NONBLOCKING_MODE)
|
|
*lpFlags |= PIPE_NOWAIT;
|
|
}
|
|
if (lpOutputBufferSize) *lpOutputBufferSize = reply->outsize;
|
|
if (lpInputBufferSize) *lpInputBufferSize = reply->outsize;
|
|
if (lpMaxInstances) *lpMaxInstances = reply->maxinstances;
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetNamedPipeHandleStateA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetNamedPipeHandleStateA(
|
|
HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
|
|
LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
|
|
LPSTR lpUsername, DWORD nUsernameMaxSize)
|
|
{
|
|
FIXME("%p %p %p %p %p %p %ld\n",
|
|
hNamedPipe, lpState, lpCurInstances,
|
|
lpMaxCollectionCount, lpCollectDataTimeout,
|
|
lpUsername, nUsernameMaxSize);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetNamedPipeHandleStateW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetNamedPipeHandleStateW(
|
|
HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
|
|
LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
|
|
LPWSTR lpUsername, DWORD nUsernameMaxSize)
|
|
{
|
|
FIXME("%p %p %p %p %p %p %ld\n",
|
|
hNamedPipe, lpState, lpCurInstances,
|
|
lpMaxCollectionCount, lpCollectDataTimeout,
|
|
lpUsername, nUsernameMaxSize);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetNamedPipeHandleState (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI SetNamedPipeHandleState(
|
|
HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount,
|
|
LPDWORD lpCollectDataTimeout)
|
|
{
|
|
/* should be a fixme, but this function is called a lot by the RPC
|
|
* runtime, and it slows down InstallShield a fair bit. */
|
|
WARN("stub: %p %p/%ld %p %p\n",
|
|
hNamedPipe, lpMode, lpMode ? *lpMode : 0, lpMaxCollectionCount, lpCollectDataTimeout);
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CallNamedPipeA (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI CallNamedPipeA(
|
|
LPCSTR lpNamedPipeName, LPVOID lpInput, DWORD dwInputSize,
|
|
LPVOID lpOutput, DWORD dwOutputSize,
|
|
LPDWORD lpBytesRead, DWORD nTimeout)
|
|
{
|
|
DWORD len;
|
|
LPWSTR str = NULL;
|
|
BOOL ret;
|
|
|
|
TRACE("%s %p %ld %p %ld %p %ld\n",
|
|
debugstr_a(lpNamedPipeName), lpInput, dwInputSize,
|
|
lpOutput, dwOutputSize, lpBytesRead, nTimeout);
|
|
|
|
if( lpNamedPipeName )
|
|
{
|
|
len = MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, NULL, 0 );
|
|
str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, str, len );
|
|
}
|
|
ret = CallNamedPipeW( str, lpInput, dwInputSize, lpOutput,
|
|
dwOutputSize, lpBytesRead, nTimeout );
|
|
if( lpNamedPipeName )
|
|
HeapFree( GetProcessHeap(), 0, str );
|
|
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CallNamedPipeW (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI CallNamedPipeW(
|
|
LPCWSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
|
|
LPVOID lpOutput, DWORD lpOutputSize,
|
|
LPDWORD lpBytesRead, DWORD nTimeout)
|
|
{
|
|
FIXME("%s %p %ld %p %ld %p %ld\n",
|
|
debugstr_w(lpNamedPipeName), lpInput, lpInputSize,
|
|
lpOutput, lpOutputSize, lpBytesRead, nTimeout);
|
|
return FALSE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* CreatePipe (KERNEL32.@)
|
|
*
|
|
*/
|
|
BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe,
|
|
LPSECURITY_ATTRIBUTES sa, DWORD size )
|
|
{
|
|
static unsigned index /* = 0 */;
|
|
WCHAR name[64];
|
|
HANDLE hr, hw;
|
|
unsigned in_index = index;
|
|
UNICODE_STRING nt_name;
|
|
OBJECT_ATTRIBUTES attr;
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK iosb;
|
|
LARGE_INTEGER timeout;
|
|
|
|
*hReadPipe = *hWritePipe = INVALID_HANDLE_VALUE;
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.ObjectName = &nt_name;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE |
|
|
((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
|
|
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
|
|
timeout.QuadPart = (ULONGLONG)NMPWAIT_USE_DEFAULT_WAIT * -10000;
|
|
/* generate a unique pipe name (system wide) */
|
|
do
|
|
{
|
|
static const WCHAR nameFmt[] = { '\\','?','?','\\','p','i','p','e',
|
|
'\\','W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l',
|
|
'u','.','%','0','8','u','\0' };
|
|
|
|
snprintfW(name, sizeof(name) / sizeof(name[0]), nameFmt,
|
|
GetCurrentProcessId(), ++index);
|
|
RtlInitUnicodeString(&nt_name, name);
|
|
status = NtCreateNamedPipeFile(&hr, GENERIC_READ | SYNCHRONIZE, &attr, &iosb,
|
|
0, FILE_OVERWRITE_IF,
|
|
FILE_SYNCHRONOUS_IO_ALERT | FILE_PIPE_INBOUND,
|
|
FALSE, FALSE, FALSE,
|
|
1, size, size, &timeout);
|
|
if (status)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
hr = INVALID_HANDLE_VALUE;
|
|
}
|
|
} while (hr == INVALID_HANDLE_VALUE && index != in_index);
|
|
/* from completion sakeness, I think system resources might be exhausted before this happens !! */
|
|
if (hr == INVALID_HANDLE_VALUE) return FALSE;
|
|
|
|
status = NtOpenFile(&hw, GENERIC_WRITE | SYNCHRONIZE, &attr, &iosb, 0,
|
|
FILE_SYNCHRONOUS_IO_ALERT | FILE_NON_DIRECTORY_FILE);
|
|
|
|
if (status)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
NtClose(hr);
|
|
return FALSE;
|
|
}
|
|
|
|
*hReadPipe = hr;
|
|
*hWritePipe = hw;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* CreateMailslotA [KERNEL32.@]
|
|
*/
|
|
HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
|
|
DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
|
|
{
|
|
DWORD len;
|
|
HANDLE handle;
|
|
LPWSTR name = NULL;
|
|
|
|
TRACE("%s %ld %ld %p\n", debugstr_a(lpName),
|
|
nMaxMessageSize, lReadTimeout, sa);
|
|
|
|
if( lpName )
|
|
{
|
|
len = MultiByteToWideChar( CP_ACP, 0, lpName, -1, NULL, 0 );
|
|
name = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, lpName, -1, name, len );
|
|
}
|
|
|
|
handle = CreateMailslotW( name, nMaxMessageSize, lReadTimeout, sa );
|
|
|
|
HeapFree( GetProcessHeap(), 0, name );
|
|
|
|
return handle;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* CreateMailslotW [KERNEL32.@]
|
|
*
|
|
* Create a mailslot with specified name.
|
|
*
|
|
* PARAMS
|
|
* lpName [I] Pointer to string for mailslot name
|
|
* nMaxMessageSize [I] Maximum message size
|
|
* lReadTimeout [I] Milliseconds before read time-out
|
|
* sa [I] Pointer to security structure
|
|
*
|
|
* RETURNS
|
|
* Success: Handle to mailslot
|
|
* Failure: INVALID_HANDLE_VALUE
|
|
*/
|
|
HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
|
|
DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
|
|
{
|
|
HANDLE handle = INVALID_HANDLE_VALUE;
|
|
OBJECT_ATTRIBUTES attr;
|
|
UNICODE_STRING nameW;
|
|
LARGE_INTEGER timeout;
|
|
IO_STATUS_BLOCK iosb;
|
|
NTSTATUS status;
|
|
|
|
TRACE("%s %ld %ld %p\n", debugstr_w(lpName),
|
|
nMaxMessageSize, lReadTimeout, sa);
|
|
|
|
if (!RtlDosPathNameToNtPathName_U( lpName, &nameW, NULL, NULL ))
|
|
{
|
|
SetLastError( ERROR_PATH_NOT_FOUND );
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
if (nameW.Length >= MAX_PATH * sizeof(WCHAR) )
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
RtlFreeUnicodeString( &nameW );
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
attr.Length = sizeof(attr);
|
|
attr.RootDirectory = 0;
|
|
attr.Attributes = OBJ_CASE_INSENSITIVE;
|
|
attr.ObjectName = &nameW;
|
|
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
|
|
attr.SecurityQualityOfService = NULL;
|
|
|
|
timeout.QuadPart = (ULONGLONG) lReadTimeout * -10000;
|
|
|
|
status = NtCreateMailslotFile( &handle, GENERIC_READ | GENERIC_WRITE, &attr,
|
|
&iosb, 0, 0, nMaxMessageSize, &timeout );
|
|
if (status)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
handle = INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
RtlFreeUnicodeString( &nameW );
|
|
return handle;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* GetMailslotInfo [KERNEL32.@]
|
|
*
|
|
* Retrieve information about a mailslot.
|
|
*
|
|
* PARAMS
|
|
* hMailslot [I] Mailslot handle
|
|
* lpMaxMessageSize [O] Address of maximum message size
|
|
* lpNextSize [O] Address of size of next message
|
|
* lpMessageCount [O] Address of number of messages
|
|
* lpReadTimeout [O] Address of read time-out
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
|
|
LPDWORD lpNextSize, LPDWORD lpMessageCount,
|
|
LPDWORD lpReadTimeout )
|
|
{
|
|
FILE_MAILSLOT_QUERY_INFORMATION info;
|
|
IO_STATUS_BLOCK iosb;
|
|
NTSTATUS status;
|
|
|
|
TRACE("%p %p %p %p %p\n",hMailslot, lpMaxMessageSize,
|
|
lpNextSize, lpMessageCount, lpReadTimeout);
|
|
|
|
status = NtQueryInformationFile( hMailslot, &iosb, &info, sizeof info,
|
|
FileMailslotQueryInformation );
|
|
|
|
if( status != STATUS_SUCCESS )
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
|
|
if( lpMaxMessageSize )
|
|
*lpMaxMessageSize = info.MaximumMessageSize;
|
|
if( lpNextSize )
|
|
*lpNextSize = info.NextMessageSize;
|
|
if( lpMessageCount )
|
|
*lpMessageCount = info.MessagesAvailable;
|
|
if( lpReadTimeout )
|
|
*lpReadTimeout = info.ReadTimeout.QuadPart / -10000;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* SetMailslotInfo [KERNEL32.@]
|
|
*
|
|
* Set the read timeout of a mailslot.
|
|
*
|
|
* PARAMS
|
|
* hMailslot [I] Mailslot handle
|
|
* dwReadTimeout [I] Timeout in milliseconds.
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE
|
|
* Failure: FALSE
|
|
*/
|
|
BOOL WINAPI SetMailslotInfo( HANDLE hMailslot, DWORD dwReadTimeout)
|
|
{
|
|
FILE_MAILSLOT_SET_INFORMATION info;
|
|
IO_STATUS_BLOCK iosb;
|
|
NTSTATUS status;
|
|
|
|
TRACE("%p %ld\n", hMailslot, dwReadTimeout);
|
|
|
|
info.ReadTimeout.QuadPart = dwReadTimeout * -10000;
|
|
status = NtSetInformationFile( hMailslot, &iosb, &info, sizeof info,
|
|
FileMailslotSetInformation );
|
|
if( status != STATUS_SUCCESS )
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* CreateIoCompletionPort (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle, HANDLE hExistingCompletionPort,
|
|
ULONG_PTR CompletionKey, DWORD dwNumberOfConcurrentThreads)
|
|
{
|
|
FIXME("(%p, %p, %08lx, %08lx): stub.\n",
|
|
hFileHandle, hExistingCompletionPort, CompletionKey, dwNumberOfConcurrentThreads);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* GetQueuedCompletionStatus (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI GetQueuedCompletionStatus( HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
|
|
PULONG_PTR pCompletionKey, LPOVERLAPPED *lpOverlapped,
|
|
DWORD dwMilliseconds )
|
|
{
|
|
FIXME("(%p,%p,%p,%p,%ld), stub!\n",
|
|
CompletionPort,lpNumberOfBytesTransferred,pCompletionKey,lpOverlapped,dwMilliseconds);
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* CreateJobObjectW (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateJobObjectW( LPSECURITY_ATTRIBUTES attr, LPCWSTR name )
|
|
{
|
|
FIXME("%p %s\n", attr, debugstr_w(name) );
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* CreateJobObjectA (KERNEL32.@)
|
|
*/
|
|
HANDLE WINAPI CreateJobObjectA( LPSECURITY_ATTRIBUTES attr, LPCSTR name )
|
|
{
|
|
LPWSTR str = NULL;
|
|
UINT len;
|
|
HANDLE r;
|
|
|
|
TRACE("%p %s\n", attr, debugstr_a(name) );
|
|
|
|
if( name )
|
|
{
|
|
len = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 );
|
|
str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
|
|
if( !str )
|
|
{
|
|
SetLastError( ERROR_OUTOFMEMORY );
|
|
return 0;
|
|
}
|
|
len = MultiByteToWideChar( CP_ACP, 0, name, -1, str, len );
|
|
}
|
|
|
|
r = CreateJobObjectW( attr, str );
|
|
|
|
HeapFree( GetProcessHeap(), 0, str );
|
|
|
|
return r;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* AssignProcessToJobObject (KERNEL32.@)
|
|
*/
|
|
BOOL WINAPI AssignProcessToJobObject( HANDLE hJob, HANDLE hProcess )
|
|
{
|
|
FIXME("%p %p\n", hJob, hProcess);
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef __i386__
|
|
|
|
/***********************************************************************
|
|
* InterlockedCompareExchange (KERNEL32.@)
|
|
*/
|
|
/* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
|
|
__ASM_GLOBAL_FUNC(InterlockedCompareExchange,
|
|
"movl 12(%esp),%eax\n\t"
|
|
"movl 8(%esp),%ecx\n\t"
|
|
"movl 4(%esp),%edx\n\t"
|
|
"lock; cmpxchgl %ecx,(%edx)\n\t"
|
|
"ret $12")
|
|
|
|
/***********************************************************************
|
|
* InterlockedExchange (KERNEL32.@)
|
|
*/
|
|
/* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */
|
|
__ASM_GLOBAL_FUNC(InterlockedExchange,
|
|
"movl 8(%esp),%eax\n\t"
|
|
"movl 4(%esp),%edx\n\t"
|
|
"lock; xchgl %eax,(%edx)\n\t"
|
|
"ret $8")
|
|
|
|
/***********************************************************************
|
|
* InterlockedExchangeAdd (KERNEL32.@)
|
|
*/
|
|
/* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */
|
|
__ASM_GLOBAL_FUNC(InterlockedExchangeAdd,
|
|
"movl 8(%esp),%eax\n\t"
|
|
"movl 4(%esp),%edx\n\t"
|
|
"lock; xaddl %eax,(%edx)\n\t"
|
|
"ret $8")
|
|
|
|
/***********************************************************************
|
|
* InterlockedIncrement (KERNEL32.@)
|
|
*/
|
|
/* LONG WINAPI InterlockedIncrement( PLONG dest ); */
|
|
__ASM_GLOBAL_FUNC(InterlockedIncrement,
|
|
"movl 4(%esp),%edx\n\t"
|
|
"movl $1,%eax\n\t"
|
|
"lock; xaddl %eax,(%edx)\n\t"
|
|
"incl %eax\n\t"
|
|
"ret $4")
|
|
|
|
/***********************************************************************
|
|
* InterlockedDecrement (KERNEL32.@)
|
|
*/
|
|
__ASM_GLOBAL_FUNC(InterlockedDecrement,
|
|
"movl 4(%esp),%edx\n\t"
|
|
"movl $-1,%eax\n\t"
|
|
"lock; xaddl %eax,(%edx)\n\t"
|
|
"decl %eax\n\t"
|
|
"ret $4")
|
|
|
|
#else /* __i386__ */
|
|
|
|
/***********************************************************************
|
|
* InterlockedCompareExchange (KERNEL32.@)
|
|
*
|
|
* Atomically swap one value with another.
|
|
*
|
|
* PARAMS
|
|
* dest [I/O] The value to replace
|
|
* xchq [I] The value to be swapped
|
|
* compare [I] The value to compare to dest
|
|
*
|
|
* RETURNS
|
|
* The resulting value of dest.
|
|
*
|
|
* NOTES
|
|
* dest is updated only if it is equal to compare, otherwise no swap is done.
|
|
*/
|
|
LONG WINAPI InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
|
|
{
|
|
return interlocked_cmpxchg( (int *)dest, xchg, compare );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InterlockedExchange (KERNEL32.@)
|
|
*
|
|
* Atomically swap one value with another.
|
|
*
|
|
* PARAMS
|
|
* dest [I/O] The value to replace
|
|
* val [I] The value to be swapped
|
|
*
|
|
* RETURNS
|
|
* The resulting value of dest.
|
|
*/
|
|
LONG WINAPI InterlockedExchange( LONG volatile *dest, LONG val )
|
|
{
|
|
return interlocked_xchg( (int *)dest, val );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InterlockedExchangeAdd (KERNEL32.@)
|
|
*
|
|
* Atomically add one value to another.
|
|
*
|
|
* PARAMS
|
|
* dest [I/O] The value to add to
|
|
* incr [I] The value to be added
|
|
*
|
|
* RETURNS
|
|
* The resulting value of dest.
|
|
*/
|
|
LONG WINAPI InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
|
|
{
|
|
return interlocked_xchg_add( (int *)dest, incr );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InterlockedIncrement (KERNEL32.@)
|
|
*
|
|
* Atomically increment a value.
|
|
*
|
|
* PARAMS
|
|
* dest [I/O] The value to increment
|
|
*
|
|
* RETURNS
|
|
* The resulting value of dest.
|
|
*/
|
|
LONG WINAPI InterlockedIncrement( LONG volatile *dest )
|
|
{
|
|
return interlocked_xchg_add( (int *)dest, 1 ) + 1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InterlockedDecrement (KERNEL32.@)
|
|
*
|
|
* Atomically decrement a value.
|
|
*
|
|
* PARAMS
|
|
* dest [I/O] The value to decrement
|
|
*
|
|
* RETURNS
|
|
* The resulting value of dest.
|
|
*/
|
|
LONG WINAPI InterlockedDecrement( LONG volatile *dest )
|
|
{
|
|
return interlocked_xchg_add( (int *)dest, -1 ) - 1;
|
|
}
|
|
|
|
#endif /* __i386__ */
|