1386 lines
46 KiB
C
1386 lines
46 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <string.h>
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#include <stdio.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#define NONAMELESSUNION
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#include "windef.h"
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#include "winbase.h"
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#include "wincon.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 "ddk/wdm.h"
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#include "kernelbase.h"
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#include "wine/asm.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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static inline BOOL is_version_nt(void)
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{
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return !(GetVersion() & 0x80000000);
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}
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/* helper for kernel32->ntdll timeout format conversion */
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static inline LARGE_INTEGER *get_nt_timeout( LARGE_INTEGER *time, DWORD timeout )
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{
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if (timeout == INFINITE) return NULL;
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time->QuadPart = (ULONGLONG)timeout * -10000;
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return time;
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}
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/***********************************************************************
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* BaseGetNamedObjectDirectory (kernelbase.@)
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*/
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NTSTATUS WINAPI BaseGetNamedObjectDirectory( HANDLE *dir )
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{
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static HANDLE handle;
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static const WCHAR basenameW[] = {'\\','S','e','s','s','i','o','n','s','\\','%','u',
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'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',0};
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WCHAR buffer[64];
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UNICODE_STRING str;
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OBJECT_ATTRIBUTES attr;
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NTSTATUS status = STATUS_SUCCESS;
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if (!handle)
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{
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HANDLE dir;
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swprintf( buffer, ARRAY_SIZE(buffer), basenameW, NtCurrentTeb()->Peb->SessionId );
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RtlInitUnicodeString( &str, buffer );
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InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
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status = NtOpenDirectoryObject( &dir, DIRECTORY_CREATE_OBJECT|DIRECTORY_TRAVERSE, &attr );
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if (!status && InterlockedCompareExchangePointer( &handle, dir, 0 ) != 0)
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{
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/* someone beat us here... */
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CloseHandle( dir );
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}
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}
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*dir = handle;
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return status;
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}
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static void get_create_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
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SECURITY_ATTRIBUTES *sa, const WCHAR *name )
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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_OPENIF | ((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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BaseGetNamedObjectDirectory( &attr->RootDirectory );
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}
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}
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static BOOL get_open_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
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BOOL inherit, const WCHAR *name )
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{
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HANDLE dir;
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if (!name)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return FALSE;
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}
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RtlInitUnicodeString( nameW, name );
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BaseGetNamedObjectDirectory( &dir );
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InitializeObjectAttributes( attr, nameW, inherit ? OBJ_INHERIT : 0, dir, NULL );
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return TRUE;
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}
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/***********************************************************************
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* Waits
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***********************************************************************/
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static HANDLE normalize_handle_if_console( HANDLE handle )
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{
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if ((handle == (HANDLE)STD_INPUT_HANDLE) ||
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(handle == (HANDLE)STD_OUTPUT_HANDLE) ||
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(handle == (HANDLE)STD_ERROR_HANDLE))
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handle = GetStdHandle( HandleToULong(handle) );
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/* 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( handle ) && VerifyConsoleIoHandle( handle ))
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handle = GetConsoleInputWaitHandle();
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return handle;
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}
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/***********************************************************************
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* RegisterWaitForSingleObjectEx (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH RegisterWaitForSingleObjectEx( HANDLE handle, WAITORTIMERCALLBACK callback,
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PVOID context, ULONG timeout, ULONG flags )
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{
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NTSTATUS status;
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HANDLE ret;
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TRACE( "%p %p %p %d %d\n", handle, callback, context, timeout, flags );
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handle = normalize_handle_if_console( handle );
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status = RtlRegisterWait( &ret, handle, callback, context, timeout, flags );
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if (status != STATUS_SUCCESS)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return NULL;
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}
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return ret;
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}
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/***********************************************************************
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* SignalObjectAndWait (kernelbase.@)
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*/
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DWORD WINAPI DECLSPEC_HOTPATCH SignalObjectAndWait( HANDLE signal, HANDLE wait,
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DWORD timeout, BOOL alertable )
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{
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NTSTATUS status;
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LARGE_INTEGER time;
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TRACE( "%p %p %d %d\n", signal, wait, timeout, alertable );
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status = NtSignalAndWaitForSingleObject( signal, wait, alertable, get_nt_timeout( &time, timeout ) );
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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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* Sleep (kernelbase.@)
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*/
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void WINAPI DECLSPEC_HOTPATCH Sleep( DWORD timeout )
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{
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LARGE_INTEGER time;
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NtDelayExecution( FALSE, get_nt_timeout( &time, timeout ) );
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}
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/******************************************************************************
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* SleepEx (kernelbase.@)
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*/
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DWORD WINAPI DECLSPEC_HOTPATCH SleepEx( DWORD timeout, BOOL alertable )
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{
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NTSTATUS status;
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LARGE_INTEGER time;
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status = NtDelayExecution( alertable, get_nt_timeout( &time, timeout ) );
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if (status == STATUS_USER_APC) return WAIT_IO_COMPLETION;
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return 0;
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}
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/***********************************************************************
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* UnregisterWaitEx (kernelbase.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH UnregisterWaitEx( HANDLE handle, HANDLE event )
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{
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return set_ntstatus( RtlDeregisterWaitEx( handle, event ));
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}
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/***********************************************************************
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* WaitForSingleObject (kernelbase.@)
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*/
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DWORD WINAPI DECLSPEC_HOTPATCH 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 (kernelbase.@)
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*/
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DWORD WINAPI DECLSPEC_HOTPATCH WaitForSingleObjectEx( HANDLE handle, DWORD timeout, 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 (kernelbase.@)
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*/
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DWORD WINAPI DECLSPEC_HOTPATCH 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 (kernelbase.@)
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*/
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DWORD WINAPI DECLSPEC_HOTPATCH WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout, 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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LARGE_INTEGER time;
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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++) hloc[i] = normalize_handle_if_console( handles[i] );
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status = NtWaitForMultipleObjects( count, hloc, !wait_all, alertable,
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get_nt_timeout( &time, timeout ) );
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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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* Events
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***********************************************************************/
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/***********************************************************************
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* CreateEventA (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
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BOOL initial_state, LPCSTR name )
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{
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DWORD flags = 0;
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if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET;
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if (initial_state) flags |= CREATE_EVENT_INITIAL_SET;
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return CreateEventExA( sa, name, flags, EVENT_ALL_ACCESS );
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}
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/***********************************************************************
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* CreateEventW (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
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BOOL initial_state, LPCWSTR name )
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{
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DWORD flags = 0;
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if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET;
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if (initial_state) flags |= CREATE_EVENT_INITIAL_SET;
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return CreateEventExW( sa, name, flags, EVENT_ALL_ACCESS );
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}
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/***********************************************************************
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* CreateEventExA (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExA( SECURITY_ATTRIBUTES *sa, LPCSTR name,
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DWORD flags, DWORD access )
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{
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WCHAR buffer[MAX_PATH];
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if (!name) return CreateEventExW( sa, NULL, flags, access );
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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 CreateEventExW( sa, buffer, flags, access );
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}
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/***********************************************************************
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* CreateEventExW (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name,
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DWORD flags, DWORD access )
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{
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HANDLE ret = 0;
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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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get_create_object_attributes( &attr, &nameW, sa, name );
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status = NtCreateEvent( &ret, access, &attr,
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(flags & CREATE_EVENT_MANUAL_RESET) ? NotificationEvent : SynchronizationEvent,
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(flags & CREATE_EVENT_INITIAL_SET) != 0 );
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if (status == STATUS_OBJECT_NAME_EXISTS)
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SetLastError( ERROR_ALREADY_EXISTS );
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else
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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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* OpenEventA (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH 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 (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH 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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if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
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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 (kernelbase.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH PulseEvent( HANDLE handle )
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{
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return set_ntstatus( NtPulseEvent( handle, NULL ));
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}
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/***********************************************************************
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* SetEvent (kernelbase.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH SetEvent( HANDLE handle )
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{
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return set_ntstatus( NtSetEvent( handle, NULL ));
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}
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/***********************************************************************
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* ResetEvent (kernelbase.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH ResetEvent( HANDLE handle )
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{
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return set_ntstatus( NtResetEvent( handle, NULL ));
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}
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/***********************************************************************
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* Mutexes
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***********************************************************************/
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/***********************************************************************
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* CreateMutexA (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
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{
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return CreateMutexExA( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
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}
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/***********************************************************************
|
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* CreateMutexW (kernelbase.@)
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*/
|
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
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{
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return CreateMutexExW( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
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}
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|
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/***********************************************************************
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* CreateMutexExA (kernelbase.@)
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*/
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExA( SECURITY_ATTRIBUTES *sa, LPCSTR name,
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DWORD flags, DWORD access )
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{
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ANSI_STRING nameA;
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NTSTATUS status;
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if (!name) return CreateMutexExW( sa, NULL, flags, access );
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RtlInitAnsiString( &nameA, name );
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status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, &nameA, FALSE );
|
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if (status != STATUS_SUCCESS)
|
|
{
|
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SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
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return 0;
|
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}
|
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return CreateMutexExW( sa, NtCurrentTeb()->StaticUnicodeString.Buffer, flags, access );
|
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}
|
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|
|
|
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/***********************************************************************
|
|
* CreateMutexExW (kernelbase.@)
|
|
*/
|
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HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name,
|
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DWORD flags, DWORD access )
|
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{
|
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HANDLE ret = 0;
|
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UNICODE_STRING nameW;
|
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OBJECT_ATTRIBUTES attr;
|
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NTSTATUS status;
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get_create_object_attributes( &attr, &nameW, sa, name );
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status = NtCreateMutant( &ret, access, &attr, (flags & CREATE_MUTEX_INITIAL_OWNER) != 0 );
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if (status == STATUS_OBJECT_NAME_EXISTS)
|
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SetLastError( ERROR_ALREADY_EXISTS );
|
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else
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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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/***********************************************************************
|
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* OpenMutexW (kernelbase.@)
|
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*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH OpenMutexW( 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 = MUTEX_ALL_ACCESS;
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if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
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status = NtOpenMutant( &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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/***********************************************************************
|
|
* ReleaseMutex (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH ReleaseMutex( HANDLE handle )
|
|
{
|
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return set_ntstatus( NtReleaseMutant( handle, NULL ));
|
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}
|
|
|
|
|
|
/***********************************************************************
|
|
* Semaphores
|
|
***********************************************************************/
|
|
|
|
|
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/***********************************************************************
|
|
* CreateSemaphoreW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial,
|
|
LONG max, LPCWSTR name )
|
|
{
|
|
return CreateSemaphoreExW( sa, initial, max, name, 0, SEMAPHORE_ALL_ACCESS );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateSemaphoreExW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreExW( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max,
|
|
LPCWSTR name, DWORD flags, DWORD access )
|
|
{
|
|
HANDLE ret = 0;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
NTSTATUS status;
|
|
|
|
get_create_object_attributes( &attr, &nameW, sa, name );
|
|
|
|
status = NtCreateSemaphore( &ret, access, &attr, initial, max );
|
|
if (status == STATUS_OBJECT_NAME_EXISTS)
|
|
SetLastError( ERROR_ALREADY_EXISTS );
|
|
else
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenSemaphoreW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH 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;
|
|
|
|
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
|
|
|
|
status = NtOpenSemaphore( &ret, access, &attr );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ReleaseSemaphore (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
|
|
{
|
|
return set_ntstatus( NtReleaseSemaphore( handle, count, (PULONG)previous ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Waitable timers
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateWaitableTimerW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
|
|
{
|
|
return CreateWaitableTimerExW( sa, name, manual ? CREATE_WAITABLE_TIMER_MANUAL_RESET : 0,
|
|
TIMER_ALL_ACCESS );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateWaitableTimerExW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateWaitableTimerExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name,
|
|
DWORD flags, DWORD access )
|
|
{
|
|
HANDLE handle;
|
|
NTSTATUS status;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
|
|
get_create_object_attributes( &attr, &nameW, sa, name );
|
|
|
|
status = NtCreateTimer( &handle, access, &attr,
|
|
(flags & CREATE_WAITABLE_TIMER_MANUAL_RESET) ? NotificationTimer : SynchronizationTimer );
|
|
if (status == STATUS_OBJECT_NAME_EXISTS)
|
|
SetLastError( ERROR_ALREADY_EXISTS );
|
|
else
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenWaitableTimerW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH 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;
|
|
|
|
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
|
|
|
|
status = NtOpenTimer( &handle, access, &attr );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWaitableTimer (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH 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 );
|
|
return set_ntstatus( status ) || status == STATUS_TIMER_RESUME_IGNORED;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWaitableTimerEx (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH SetWaitableTimerEx( HANDLE handle, const LARGE_INTEGER *when, LONG period,
|
|
PTIMERAPCROUTINE callback, LPVOID arg,
|
|
REASON_CONTEXT *context, ULONG tolerabledelay )
|
|
{
|
|
static int once;
|
|
if (!once++) FIXME( "(%p, %p, %d, %p, %p, %p, %d) semi-stub\n",
|
|
handle, when, period, callback, arg, context, tolerabledelay );
|
|
|
|
return SetWaitableTimer( handle, when, period, callback, arg, FALSE );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CancelWaitableTimer (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH CancelWaitableTimer( HANDLE handle )
|
|
{
|
|
return set_ntstatus( NtCancelTimer( handle, NULL ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Timer queues
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateTimerQueue (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateTimerQueue(void)
|
|
{
|
|
HANDLE q;
|
|
NTSTATUS status = RtlCreateTimerQueue( &q );
|
|
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError( status ));
|
|
return NULL;
|
|
}
|
|
return q;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateTimerQueueTimer (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH CreateTimerQueueTimer( PHANDLE timer, HANDLE queue,
|
|
WAITORTIMERCALLBACK callback, PVOID arg,
|
|
DWORD when, DWORD period, ULONG flags )
|
|
{
|
|
return set_ntstatus( RtlCreateTimer( timer, queue, callback, arg, when, period, flags ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ChangeTimerQueueTimer (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH ChangeTimerQueueTimer( HANDLE queue, HANDLE timer,
|
|
ULONG when, ULONG period )
|
|
{
|
|
return set_ntstatus( RtlUpdateTimer( queue, timer, when, period ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteTimerQueueEx (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH DeleteTimerQueueEx( HANDLE queue, HANDLE event )
|
|
{
|
|
return set_ntstatus( RtlDeleteTimerQueueEx( queue, event ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DeleteTimerQueueTimer (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH DeleteTimerQueueTimer( HANDLE queue, HANDLE timer, HANDLE event )
|
|
{
|
|
return set_ntstatus( RtlDeleteTimer( queue, timer, event ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Critical sections
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* InitializeCriticalSectionAndSpinCount (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD count )
|
|
{
|
|
return !RtlInitializeCriticalSectionAndSpinCount( crit, count );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InitializeCriticalSectionEx (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH InitializeCriticalSectionEx( CRITICAL_SECTION *crit, DWORD spincount,
|
|
DWORD flags )
|
|
{
|
|
NTSTATUS ret = RtlInitializeCriticalSectionEx( crit, spincount, flags );
|
|
if (ret) RtlRaiseStatus( ret );
|
|
return !ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* File mappings
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateFileMappingW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileMappingW( HANDLE file, LPSECURITY_ATTRIBUTES sa, DWORD protect,
|
|
DWORD size_high, DWORD size_low, LPCWSTR name )
|
|
{
|
|
static const int sec_flags = (SEC_FILE | SEC_IMAGE | SEC_RESERVE | SEC_COMMIT |
|
|
SEC_NOCACHE | SEC_WRITECOMBINE | SEC_LARGE_PAGES);
|
|
HANDLE ret;
|
|
NTSTATUS status;
|
|
DWORD access, sec_type;
|
|
LARGE_INTEGER size;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
|
|
sec_type = protect & sec_flags;
|
|
protect &= ~sec_flags;
|
|
if (!sec_type) sec_type = SEC_COMMIT;
|
|
|
|
/* Win9x compatibility */
|
|
if (!protect && !is_version_nt()) protect = PAGE_READONLY;
|
|
|
|
switch(protect)
|
|
{
|
|
case PAGE_READONLY:
|
|
case PAGE_WRITECOPY:
|
|
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ;
|
|
break;
|
|
case PAGE_READWRITE:
|
|
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE;
|
|
break;
|
|
case PAGE_EXECUTE_READ:
|
|
case PAGE_EXECUTE_WRITECOPY:
|
|
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_EXECUTE;
|
|
break;
|
|
case PAGE_EXECUTE_READWRITE:
|
|
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE | SECTION_MAP_EXECUTE;
|
|
break;
|
|
default:
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
|
|
size.u.LowPart = size_low;
|
|
size.u.HighPart = size_high;
|
|
|
|
if (file == INVALID_HANDLE_VALUE)
|
|
{
|
|
file = 0;
|
|
if (!size.QuadPart)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
get_create_object_attributes( &attr, &nameW, sa, name );
|
|
|
|
status = NtCreateSection( &ret, access, &attr, &size, protect, sec_type, file );
|
|
if (status == STATUS_OBJECT_NAME_EXISTS)
|
|
SetLastError( ERROR_ALREADY_EXISTS );
|
|
else
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenFileMappingW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH OpenFileMappingW( DWORD access, BOOL inherit, LPCWSTR name )
|
|
{
|
|
OBJECT_ATTRIBUTES attr;
|
|
UNICODE_STRING nameW;
|
|
HANDLE ret;
|
|
NTSTATUS status;
|
|
|
|
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
|
|
|
|
if (access == FILE_MAP_COPY) access = SECTION_MAP_READ;
|
|
|
|
if (!is_version_nt())
|
|
{
|
|
/* win9x doesn't do access checks, so try with full access first */
|
|
if (!NtOpenSection( &ret, access | SECTION_MAP_READ | SECTION_MAP_WRITE, &attr )) return ret;
|
|
}
|
|
|
|
status = NtOpenSection( &ret, access, &attr );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Condition variables
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* SleepConditionVariableCS (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH SleepConditionVariableCS( CONDITION_VARIABLE *variable,
|
|
CRITICAL_SECTION *crit, DWORD timeout )
|
|
{
|
|
LARGE_INTEGER time;
|
|
|
|
return set_ntstatus( RtlSleepConditionVariableCS( variable, crit, get_nt_timeout( &time, timeout )));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SleepConditionVariableSRW (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH SleepConditionVariableSRW( RTL_CONDITION_VARIABLE *variable,
|
|
RTL_SRWLOCK *lock, DWORD timeout, ULONG flags )
|
|
{
|
|
LARGE_INTEGER time;
|
|
|
|
return set_ntstatus( RtlSleepConditionVariableSRW( variable, lock,
|
|
get_nt_timeout( &time, timeout ), flags ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* I/O completions
|
|
***********************************************************************/
|
|
|
|
|
|
/******************************************************************************
|
|
* CreateIoCompletionPort (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateIoCompletionPort( HANDLE handle, HANDLE port,
|
|
ULONG_PTR key, DWORD threads )
|
|
{
|
|
FILE_COMPLETION_INFORMATION info;
|
|
IO_STATUS_BLOCK iosb;
|
|
NTSTATUS status;
|
|
HANDLE ret = port;
|
|
|
|
TRACE( "(%p, %p, %08lx, %08x)\n", handle, port, key, threads );
|
|
|
|
if (!port)
|
|
{
|
|
if ((status = NtCreateIoCompletion( &ret, IO_COMPLETION_ALL_ACCESS, NULL, threads )))
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
}
|
|
else if (handle == INVALID_HANDLE_VALUE)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
info.CompletionPort = ret;
|
|
info.CompletionKey = key;
|
|
if ((status = NtSetInformationFile( handle, &iosb, &info, sizeof(info), FileCompletionInformation )))
|
|
{
|
|
if (!port) CloseHandle( ret );
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return 0;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* GetQueuedCompletionStatus (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH GetQueuedCompletionStatus( HANDLE port, LPDWORD count, PULONG_PTR key,
|
|
LPOVERLAPPED *overlapped, DWORD timeout )
|
|
{
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK iosb;
|
|
LARGE_INTEGER wait_time;
|
|
|
|
TRACE( "(%p,%p,%p,%p,%d)\n", port, count, key, overlapped, timeout );
|
|
|
|
*overlapped = NULL;
|
|
status = NtRemoveIoCompletion( port, key, (PULONG_PTR)overlapped, &iosb,
|
|
get_nt_timeout( &wait_time, timeout ) );
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
*count = iosb.Information;
|
|
if (iosb.u.Status >= 0) return TRUE;
|
|
SetLastError( RtlNtStatusToDosError(iosb.u.Status) );
|
|
return FALSE;
|
|
}
|
|
|
|
if (status == STATUS_TIMEOUT) SetLastError( WAIT_TIMEOUT );
|
|
else SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* GetQueuedCompletionStatusEx (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH GetQueuedCompletionStatusEx( HANDLE port, OVERLAPPED_ENTRY *entries,
|
|
ULONG count, ULONG *written,
|
|
DWORD timeout, BOOL alertable )
|
|
{
|
|
LARGE_INTEGER time;
|
|
NTSTATUS ret;
|
|
|
|
TRACE( "%p %p %u %p %u %u\n", port, entries, count, written, timeout, alertable );
|
|
|
|
ret = NtRemoveIoCompletionEx( port, (FILE_IO_COMPLETION_INFORMATION *)entries, count,
|
|
written, get_nt_timeout( &time, timeout ), alertable );
|
|
if (ret == STATUS_SUCCESS) return TRUE;
|
|
else if (ret == STATUS_TIMEOUT) SetLastError( WAIT_TIMEOUT );
|
|
else if (ret == STATUS_USER_APC) SetLastError( WAIT_IO_COMPLETION );
|
|
else SetLastError( RtlNtStatusToDosError(ret) );
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* PostQueuedCompletionStatus (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH PostQueuedCompletionStatus( HANDLE port, DWORD count,
|
|
ULONG_PTR key, LPOVERLAPPED overlapped )
|
|
{
|
|
TRACE( "%p %d %08lx %p\n", port, count, key, overlapped );
|
|
|
|
return set_ntstatus( NtSetIoCompletion( port, key, (ULONG_PTR)overlapped, STATUS_SUCCESS, count ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Named pipes
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* CallNamedPipeW (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH CallNamedPipeW( LPCWSTR name, LPVOID input, DWORD in_size,
|
|
LPVOID output, DWORD out_size,
|
|
LPDWORD read_size, DWORD timeout )
|
|
{
|
|
HANDLE pipe;
|
|
BOOL ret;
|
|
DWORD mode;
|
|
|
|
TRACE( "%s %p %d %p %d %p %d\n", debugstr_w(name),
|
|
input, in_size, output, out_size, read_size, timeout );
|
|
|
|
pipe = CreateFileW( name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
|
|
if (pipe == INVALID_HANDLE_VALUE)
|
|
{
|
|
if (!WaitNamedPipeW( name, timeout )) return FALSE;
|
|
pipe = CreateFileW( name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
|
|
if (pipe == INVALID_HANDLE_VALUE) return FALSE;
|
|
}
|
|
|
|
mode = PIPE_READMODE_MESSAGE;
|
|
ret = SetNamedPipeHandleState( pipe, &mode, NULL, NULL );
|
|
if (ret) ret = TransactNamedPipe( pipe, input, in_size, output, out_size, read_size, NULL );
|
|
CloseHandle( pipe );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ConnectNamedPipe (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH ConnectNamedPipe( HANDLE pipe, LPOVERLAPPED overlapped )
|
|
{
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK status_block;
|
|
LPVOID cvalue = NULL;
|
|
|
|
TRACE( "(%p,%p)\n", pipe, overlapped );
|
|
|
|
if (overlapped)
|
|
{
|
|
overlapped->Internal = STATUS_PENDING;
|
|
overlapped->InternalHigh = 0;
|
|
if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
|
|
}
|
|
|
|
status = NtFsControlFile( pipe, overlapped ? overlapped->hEvent : NULL, NULL, cvalue,
|
|
overlapped ? (IO_STATUS_BLOCK *)overlapped : &status_block,
|
|
FSCTL_PIPE_LISTEN, NULL, 0, NULL, 0 );
|
|
if (status == STATUS_PENDING && !overlapped)
|
|
{
|
|
WaitForSingleObject( pipe, INFINITE );
|
|
status = status_block.u.Status;
|
|
}
|
|
return set_ntstatus( status );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateNamedPipeW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateNamedPipeW( LPCWSTR name, DWORD open_mode, DWORD pipe_mode,
|
|
DWORD instances, DWORD out_buff, DWORD in_buff,
|
|
DWORD timeout, LPSECURITY_ATTRIBUTES sa )
|
|
{
|
|
HANDLE handle;
|
|
UNICODE_STRING nt_name;
|
|
OBJECT_ATTRIBUTES attr;
|
|
DWORD access, options, sharing;
|
|
BOOLEAN pipe_type, read_mode, non_block;
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK iosb;
|
|
LARGE_INTEGER time;
|
|
|
|
TRACE( "(%s, %#08x, %#08x, %d, %d, %d, %d, %p)\n", debugstr_w(name),
|
|
open_mode, pipe_mode, instances, out_buff, in_buff, timeout, 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;
|
|
|
|
switch (open_mode & 3)
|
|
{
|
|
case PIPE_ACCESS_INBOUND:
|
|
sharing = FILE_SHARE_WRITE;
|
|
access = GENERIC_READ;
|
|
break;
|
|
case PIPE_ACCESS_OUTBOUND:
|
|
sharing = FILE_SHARE_READ;
|
|
access = GENERIC_WRITE;
|
|
break;
|
|
case PIPE_ACCESS_DUPLEX:
|
|
sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
|
|
access = GENERIC_READ | GENERIC_WRITE;
|
|
break;
|
|
default:
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return INVALID_HANDLE_VALUE;
|
|
}
|
|
access |= SYNCHRONIZE;
|
|
options = 0;
|
|
if (open_mode & WRITE_DAC) access |= WRITE_DAC;
|
|
if (open_mode & WRITE_OWNER) access |= WRITE_OWNER;
|
|
if (open_mode & ACCESS_SYSTEM_SECURITY) access |= ACCESS_SYSTEM_SECURITY;
|
|
if (open_mode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH;
|
|
if (!(open_mode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT;
|
|
pipe_type = (pipe_mode & PIPE_TYPE_MESSAGE) != 0;
|
|
read_mode = (pipe_mode & PIPE_READMODE_MESSAGE) != 0;
|
|
non_block = (pipe_mode & PIPE_NOWAIT) != 0;
|
|
if (instances >= PIPE_UNLIMITED_INSTANCES) instances = ~0U;
|
|
|
|
time.QuadPart = (ULONGLONG)timeout * -10000;
|
|
SetLastError( 0 );
|
|
status = NtCreateNamedPipeFile( &handle, access, &attr, &iosb, sharing,
|
|
FILE_OVERWRITE_IF, options, pipe_type,
|
|
read_mode, non_block, instances, in_buff, out_buff, &time );
|
|
RtlFreeUnicodeString( &nt_name );
|
|
if (status)
|
|
{
|
|
handle = INVALID_HANDLE_VALUE;
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
}
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DisconnectNamedPipe (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH DisconnectNamedPipe( HANDLE pipe )
|
|
{
|
|
IO_STATUS_BLOCK io_block;
|
|
|
|
TRACE( "(%p)\n", pipe );
|
|
return set_ntstatus( NtFsControlFile( pipe, 0, NULL, NULL, &io_block,
|
|
FSCTL_PIPE_DISCONNECT, NULL, 0, NULL, 0 ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetNamedPipeInfo (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH GetNamedPipeInfo( HANDLE pipe, LPDWORD flags, LPDWORD out_size,
|
|
LPDWORD in_size, LPDWORD instances )
|
|
{
|
|
FILE_PIPE_LOCAL_INFORMATION info;
|
|
IO_STATUS_BLOCK iosb;
|
|
NTSTATUS status;
|
|
|
|
status = NtQueryInformationFile( pipe, &iosb, &info, sizeof(info), FilePipeLocalInformation );
|
|
if (status)
|
|
{
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return FALSE;
|
|
}
|
|
if (flags)
|
|
{
|
|
*flags = (info.NamedPipeEnd & FILE_PIPE_SERVER_END) ? PIPE_SERVER_END : PIPE_CLIENT_END;
|
|
*flags |= (info.NamedPipeType & FILE_PIPE_TYPE_MESSAGE) ? PIPE_TYPE_MESSAGE : PIPE_TYPE_BYTE;
|
|
}
|
|
if (out_size) *out_size = info.OutboundQuota;
|
|
if (in_size) *in_size = info.InboundQuota;
|
|
if (instances) *instances = info.MaximumInstances;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PeekNamedPipe (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH PeekNamedPipe( HANDLE pipe, LPVOID out_buffer, DWORD size,
|
|
LPDWORD read_size, LPDWORD avail, LPDWORD message )
|
|
{
|
|
FILE_PIPE_PEEK_BUFFER local_buffer;
|
|
FILE_PIPE_PEEK_BUFFER *buffer = &local_buffer;
|
|
IO_STATUS_BLOCK io;
|
|
NTSTATUS status;
|
|
|
|
if (size && !(buffer = HeapAlloc( GetProcessHeap(), 0,
|
|
FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[size] ))))
|
|
{
|
|
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
|
|
return FALSE;
|
|
}
|
|
|
|
status = NtFsControlFile( pipe, 0, NULL, NULL, &io, FSCTL_PIPE_PEEK, NULL, 0,
|
|
buffer, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[size] ) );
|
|
if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
|
|
if (!status)
|
|
{
|
|
ULONG count = io.Information - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
|
|
if (avail) *avail = buffer->ReadDataAvailable;
|
|
if (read_size) *read_size = count;
|
|
if (message) *message = buffer->MessageLength - count;
|
|
if (out_buffer) memcpy( out_buffer, buffer->Data, count );
|
|
}
|
|
else SetLastError( RtlNtStatusToDosError(status) );
|
|
|
|
if (buffer != &local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
|
|
return !status;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetNamedPipeHandleState (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH SetNamedPipeHandleState( HANDLE pipe, LPDWORD mode,
|
|
LPDWORD count, LPDWORD timeout )
|
|
{
|
|
FILE_PIPE_INFORMATION info;
|
|
IO_STATUS_BLOCK iosb;
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
|
|
/* should be a fixme, but this function is called a lot by the RPC
|
|
* runtime, and it slows down InstallShield a fair bit. */
|
|
WARN( "semi-stub: %p %p/%d %p %p\n", pipe, mode, mode ? *mode : 0, count, timeout );
|
|
|
|
if (mode)
|
|
{
|
|
if (*mode & ~(PIPE_READMODE_MESSAGE | PIPE_NOWAIT)) status = STATUS_INVALID_PARAMETER;
|
|
else
|
|
{
|
|
info.CompletionMode = (*mode & PIPE_NOWAIT) ?
|
|
FILE_PIPE_COMPLETE_OPERATION : FILE_PIPE_QUEUE_OPERATION;
|
|
info.ReadMode = (*mode & PIPE_READMODE_MESSAGE) ?
|
|
FILE_PIPE_MESSAGE_MODE : FILE_PIPE_BYTE_STREAM_MODE;
|
|
status = NtSetInformationFile( pipe, &iosb, &info, sizeof(info), FilePipeInformation );
|
|
}
|
|
}
|
|
return set_ntstatus( status );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* TransactNamedPipe (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH TransactNamedPipe( HANDLE handle, LPVOID write_buf, DWORD write_size,
|
|
LPVOID read_buf, DWORD read_size, LPDWORD bytes_read,
|
|
LPOVERLAPPED overlapped)
|
|
{
|
|
IO_STATUS_BLOCK default_iosb, *iosb = &default_iosb;
|
|
HANDLE event = NULL;
|
|
void *cvalue = NULL;
|
|
NTSTATUS status;
|
|
|
|
TRACE( "%p %p %u %p %u %p %p\n", handle,
|
|
write_buf, write_size, read_buf, read_size, bytes_read, overlapped );
|
|
|
|
if (overlapped)
|
|
{
|
|
event = overlapped->hEvent;
|
|
iosb = (IO_STATUS_BLOCK *)overlapped;
|
|
if (((ULONG_PTR)event & 1) == 0) cvalue = overlapped;
|
|
}
|
|
else
|
|
{
|
|
iosb->Information = 0;
|
|
}
|
|
|
|
status = NtFsControlFile( handle, event, NULL, cvalue, iosb, FSCTL_PIPE_TRANSCEIVE,
|
|
write_buf, write_size, read_buf, read_size );
|
|
if (status == STATUS_PENDING && !overlapped)
|
|
{
|
|
WaitForSingleObject(handle, INFINITE);
|
|
status = iosb->u.Status;
|
|
}
|
|
|
|
if (bytes_read) *bytes_read = overlapped && status ? 0 : iosb->Information;
|
|
return set_ntstatus( status );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WaitNamedPipeW (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH WaitNamedPipeW( LPCWSTR name, DWORD timeout )
|
|
{
|
|
static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
|
|
NTSTATUS status;
|
|
UNICODE_STRING nt_name, pipe_dev_name;
|
|
FILE_PIPE_WAIT_FOR_BUFFER *pipe_wait;
|
|
IO_STATUS_BLOCK iosb;
|
|
OBJECT_ATTRIBUTES attr;
|
|
ULONG wait_size;
|
|
HANDLE pipe_dev;
|
|
|
|
TRACE( "%s 0x%08x\n", debugstr_w(name), timeout );
|
|
|
|
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL )) return FALSE;
|
|
|
|
if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) ||
|
|
nt_name.Length < sizeof(leadin) ||
|
|
wcsnicmp( nt_name.Buffer, leadin, ARRAY_SIZE( leadin )) != 0)
|
|
{
|
|
RtlFreeUnicodeString( &nt_name );
|
|
SetLastError( ERROR_PATH_NOT_FOUND );
|
|
return FALSE;
|
|
}
|
|
|
|
wait_size = sizeof(*pipe_wait) + nt_name.Length - sizeof(leadin) - sizeof(WCHAR);
|
|
if (!(pipe_wait = HeapAlloc( GetProcessHeap(), 0, wait_size)))
|
|
{
|
|
RtlFreeUnicodeString( &nt_name );
|
|
SetLastError( ERROR_OUTOFMEMORY );
|
|
return FALSE;
|
|
}
|
|
|
|
pipe_dev_name.Buffer = nt_name.Buffer;
|
|
pipe_dev_name.Length = sizeof(leadin);
|
|
pipe_dev_name.MaximumLength = sizeof(leadin);
|
|
InitializeObjectAttributes( &attr,&pipe_dev_name, OBJ_CASE_INSENSITIVE, NULL, NULL );
|
|
status = NtOpenFile( &pipe_dev, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr,
|
|
&iosb, FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_SYNCHRONOUS_IO_NONALERT);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, pipe_wait );
|
|
RtlFreeUnicodeString( &nt_name );
|
|
SetLastError( ERROR_PATH_NOT_FOUND );
|
|
return FALSE;
|
|
}
|
|
|
|
pipe_wait->TimeoutSpecified = !(timeout == NMPWAIT_USE_DEFAULT_WAIT);
|
|
if (timeout == NMPWAIT_WAIT_FOREVER)
|
|
pipe_wait->Timeout.QuadPart = ((ULONGLONG)0x7fffffff << 32) | 0xffffffff;
|
|
else
|
|
pipe_wait->Timeout.QuadPart = (ULONGLONG)timeout * -10000;
|
|
pipe_wait->NameLength = nt_name.Length - sizeof(leadin);
|
|
memcpy( pipe_wait->Name, nt_name.Buffer + ARRAY_SIZE( leadin ), pipe_wait->NameLength );
|
|
RtlFreeUnicodeString( &nt_name );
|
|
|
|
status = NtFsControlFile( pipe_dev, NULL, NULL, NULL, &iosb, FSCTL_PIPE_WAIT,
|
|
pipe_wait, wait_size, NULL, 0 );
|
|
|
|
HeapFree( GetProcessHeap(), 0, pipe_wait );
|
|
NtClose( pipe_dev );
|
|
return set_ntstatus( status );
|
|
}
|