1633 lines
54 KiB
C
1633 lines
54 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/exception.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(sync);
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static const struct _KUSER_SHARED_DATA *user_shared_data = (struct _KUSER_SHARED_DATA *)0x7ffe0000;
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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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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), L"\\Sessions\\%u\\BaseNamedObjects",
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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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* Time functions
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***********************************************************************/
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/*********************************************************************
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* GetSystemTimes (kernelbase.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH GetSystemTimes( FILETIME *idle, FILETIME *kernel, FILETIME *user )
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{
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LARGE_INTEGER idle_time, kernel_time, user_time;
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SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION *info;
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ULONG ret_size;
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DWORD i, cpus = NtCurrentTeb()->Peb->NumberOfProcessors;
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if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info) * cpus )))
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{
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SetLastError( ERROR_OUTOFMEMORY );
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return FALSE;
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}
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if (!set_ntstatus( NtQuerySystemInformation( SystemProcessorPerformanceInformation, info,
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sizeof(*info) * cpus, &ret_size )))
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{
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HeapFree( GetProcessHeap(), 0, info );
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return FALSE;
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}
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idle_time.QuadPart = 0;
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kernel_time.QuadPart = 0;
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user_time.QuadPart = 0;
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for (i = 0; i < cpus; i++)
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{
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idle_time.QuadPart += info[i].IdleTime.QuadPart;
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kernel_time.QuadPart += info[i].KernelTime.QuadPart;
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user_time.QuadPart += info[i].UserTime.QuadPart;
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}
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if (idle)
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{
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idle->dwLowDateTime = idle_time.u.LowPart;
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idle->dwHighDateTime = idle_time.u.HighPart;
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}
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if (kernel)
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{
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kernel->dwLowDateTime = kernel_time.u.LowPart;
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kernel->dwHighDateTime = kernel_time.u.HighPart;
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}
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if (user)
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{
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user->dwLowDateTime = user_time.u.LowPart;
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user->dwHighDateTime = user_time.u.HighPart;
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}
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HeapFree( GetProcessHeap(), 0, info );
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return TRUE;
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}
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/******************************************************************************
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* GetTickCount (kernelbase.@)
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*/
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ULONG WINAPI DECLSPEC_HOTPATCH GetTickCount(void)
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{
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/* note: we ignore TickCountMultiplier */
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return user_shared_data->u.TickCount.LowPart;
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}
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/******************************************************************************
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* GetTickCount64 (kernelbase.@)
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*/
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ULONGLONG WINAPI DECLSPEC_HOTPATCH GetTickCount64(void)
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{
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ULONG high, low;
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do
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{
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high = user_shared_data->u.TickCount.High1Time;
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low = user_shared_data->u.TickCount.LowPart;
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}
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while (high != user_shared_data->u.TickCount.High2Time);
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/* note: we ignore TickCountMultiplier */
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return (ULONGLONG)high << 32 | low;
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}
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/***********************************************************************
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* Waits
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***********************************************************************/
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static HANDLE normalize_std_handle( 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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return GetStdHandle( HandleToULong(handle) );
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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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HANDLE ret;
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TRACE( "%p %p %p %d %d\n", handle, callback, context, timeout, flags );
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handle = normalize_std_handle( handle );
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if (!set_ntstatus( RtlRegisterWait( &ret, handle, callback, context, timeout, flags ))) return NULL;
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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_std_handle( 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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* WaitForDebugEvent (kernelbase.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH WaitForDebugEvent( DEBUG_EVENT *event, DWORD timeout )
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{
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NTSTATUS status;
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LARGE_INTEGER time;
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DBGUI_WAIT_STATE_CHANGE state;
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for (;;)
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{
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status = DbgUiWaitStateChange( &state, get_nt_timeout( &time, timeout ) );
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switch (status)
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{
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case STATUS_SUCCESS:
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DbgUiConvertStateChangeStructure( &state, event );
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return TRUE;
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case STATUS_USER_APC:
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continue;
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case STATUS_TIMEOUT:
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SetLastError( ERROR_SEM_TIMEOUT );
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return FALSE;
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default:
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return set_ntstatus( status );
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}
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}
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}
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/***********************************************************************
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* WaitOnAddress (kernelbase.@)
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*/
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BOOL WINAPI DECLSPEC_HOTPATCH WaitOnAddress( volatile void *addr, void *cmp, SIZE_T size, DWORD timeout )
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{
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LARGE_INTEGER to;
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if (timeout != INFINITE)
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{
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to.QuadPart = -(LONGLONG)timeout * 10000;
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return set_ntstatus( RtlWaitOnAddress( (const void *)addr, cmp, size, &to ));
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}
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return set_ntstatus( RtlWaitOnAddress( (const void *)addr, cmp, size, NULL ));
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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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|
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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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__TRY
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{
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get_create_object_attributes( &attr, &nameW, sa, name );
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}
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__EXCEPT_PAGE_FAULT
|
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{
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SetLastError( ERROR_INVALID_PARAMETER);
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return 0;
|
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}
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__ENDTRY
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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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}
|
|
|
|
|
|
/***********************************************************************
|
|
* 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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|
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if (!name) return OpenEventW( access, inherit, NULL );
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|
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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;
|
|
}
|
|
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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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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if (!set_ntstatus( NtOpenEvent( &ret, access, &attr ))) return 0;
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return ret;
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}
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|
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/***********************************************************************
|
|
* PulseEvent (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH PulseEvent( HANDLE handle )
|
|
{
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return set_ntstatus( NtPulseEvent( handle, NULL ));
|
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}
|
|
|
|
|
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/***********************************************************************
|
|
* SetEvent (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH SetEvent( HANDLE handle )
|
|
{
|
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return set_ntstatus( NtSetEvent( handle, NULL ));
|
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}
|
|
|
|
|
|
/***********************************************************************
|
|
* ResetEvent (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH ResetEvent( HANDLE handle )
|
|
{
|
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return set_ntstatus( NtResetEvent( handle, NULL ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Mutexes
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateMutexA (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
|
|
{
|
|
return CreateMutexExA( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateMutexW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
|
|
{
|
|
return CreateMutexExW( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateMutexExA (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExA( SECURITY_ATTRIBUTES *sa, LPCSTR name,
|
|
DWORD flags, DWORD access )
|
|
{
|
|
ANSI_STRING nameA;
|
|
NTSTATUS status;
|
|
|
|
if (!name) return CreateMutexExW( sa, NULL, flags, access );
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, &nameA, FALSE );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
return 0;
|
|
}
|
|
return CreateMutexExW( sa, NtCurrentTeb()->StaticUnicodeString.Buffer, flags, access );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateMutexExW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExW( SECURITY_ATTRIBUTES *sa, 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 = NtCreateMutant( &ret, access, &attr, (flags & CREATE_MUTEX_INITIAL_OWNER) != 0 );
|
|
if (status == STATUS_OBJECT_NAME_EXISTS)
|
|
SetLastError( ERROR_ALREADY_EXISTS );
|
|
else
|
|
SetLastError( RtlNtStatusToDosError(status) );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OpenMutexW (kernelbase.@)
|
|
*/
|
|
HANDLE WINAPI DECLSPEC_HOTPATCH OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
|
|
{
|
|
HANDLE ret;
|
|
UNICODE_STRING nameW;
|
|
OBJECT_ATTRIBUTES attr;
|
|
|
|
if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
|
|
|
|
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
|
|
|
|
if (!set_ntstatus( NtOpenMutant( &ret, access, &attr ))) return 0;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ReleaseMutex (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH ReleaseMutex( HANDLE handle )
|
|
{
|
|
return set_ntstatus( NtReleaseMutant( handle, NULL ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Semaphores
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* 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;
|
|
|
|
if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
|
|
|
|
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
|
|
|
|
if (!set_ntstatus( NtOpenSemaphore( &ret, access, &attr ))) 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;
|
|
|
|
if (!is_version_nt()) access = TIMER_ALL_ACCESS;
|
|
|
|
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
|
|
|
|
if (!set_ntstatus( NtOpenTimer( &handle, access, &attr ))) 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;
|
|
|
|
if (!set_ntstatus( RtlCreateTimerQueue( &q ))) 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( queue, timer, 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;
|
|
|
|
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;
|
|
}
|
|
|
|
if (!set_ntstatus( NtOpenSection( &ret, access, &attr ))) 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;
|
|
HANDLE ret = port;
|
|
|
|
TRACE( "(%p, %p, %08lx, %08x)\n", handle, port, key, threads );
|
|
|
|
if (!port)
|
|
{
|
|
if (!set_ntstatus( NtCreateIoCompletion( &ret, IO_COMPLETION_ALL_ACCESS, NULL, threads )))
|
|
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 (!set_ntstatus( NtSetInformationFile( handle, &iosb, &info, sizeof(info), FileCompletionInformation )))
|
|
{
|
|
if (!port) CloseHandle( ret );
|
|
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 (!set_ntstatus( status )) return INVALID_HANDLE_VALUE;
|
|
return handle;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* CreatePipe (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH CreatePipe( HANDLE *read_pipe, HANDLE *write_pipe,
|
|
SECURITY_ATTRIBUTES *sa, DWORD size )
|
|
{
|
|
static unsigned int index;
|
|
WCHAR name[64];
|
|
UNICODE_STRING nt_name;
|
|
OBJECT_ATTRIBUTES attr;
|
|
IO_STATUS_BLOCK iosb;
|
|
LARGE_INTEGER timeout;
|
|
|
|
*read_pipe = *write_pipe = 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;
|
|
|
|
if (!size) size = 4096;
|
|
|
|
timeout.QuadPart = (ULONGLONG)NMPWAIT_USE_DEFAULT_WAIT * -10000;
|
|
|
|
/* generate a unique pipe name (system wide) */
|
|
for (;;)
|
|
{
|
|
swprintf( name, ARRAY_SIZE(name), L"\\??\\pipe\\Win32.Pipes.%08lu.%08u",
|
|
GetCurrentProcessId(), ++index );
|
|
RtlInitUnicodeString( &nt_name, name );
|
|
if (!NtCreateNamedPipeFile( read_pipe, GENERIC_READ | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
|
|
&attr, &iosb, FILE_SHARE_WRITE, FILE_OVERWRITE_IF,
|
|
FILE_SYNCHRONOUS_IO_NONALERT,
|
|
FALSE, FALSE, FALSE, 1, size, size, &timeout ))
|
|
break;
|
|
}
|
|
if (!set_ntstatus( NtOpenFile( write_pipe, GENERIC_WRITE | FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr,
|
|
&iosb, 0, FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE )))
|
|
{
|
|
NtClose( *read_pipe );
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* 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 ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetNamedPipeHandleStateW (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH GetNamedPipeHandleStateW( HANDLE pipe, DWORD *state, DWORD *instances,
|
|
DWORD *max_count, DWORD *timeout,
|
|
WCHAR *user, DWORD size )
|
|
{
|
|
IO_STATUS_BLOCK io;
|
|
|
|
FIXME( "%p %p %p %p %p %p %d: semi-stub\n", pipe, state, instances, max_count, timeout, user, size );
|
|
|
|
if (max_count) *max_count = 0;
|
|
if (timeout) *timeout = 0;
|
|
if (user && size && !GetEnvironmentVariableW( L"WINEUSERNAME", user, size )) user[0] = 0;
|
|
|
|
if (state)
|
|
{
|
|
FILE_PIPE_INFORMATION info;
|
|
|
|
if (!set_ntstatus( NtQueryInformationFile( pipe, &io, &info, sizeof(info), FilePipeInformation )))
|
|
return FALSE;
|
|
|
|
*state = (info.ReadMode ? PIPE_READMODE_MESSAGE : PIPE_READMODE_BYTE) |
|
|
(info.CompletionMode ? PIPE_NOWAIT : PIPE_WAIT);
|
|
}
|
|
if (instances)
|
|
{
|
|
FILE_PIPE_LOCAL_INFORMATION info;
|
|
|
|
if (!set_ntstatus( NtQueryInformationFile( pipe, &io, &info, sizeof(info),
|
|
FilePipeLocalInformation)))
|
|
return FALSE;
|
|
*instances = info.CurrentInstances;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* 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;
|
|
|
|
if (!set_ntstatus( NtQueryInformationFile( pipe, &iosb, &info, sizeof(info), FilePipeLocalInformation )))
|
|
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;
|
|
|
|
TRACE( "%p %p/%d %p %p\n", pipe, mode, mode ? *mode : 0, count, timeout );
|
|
if (count || timeout) FIXME( "Unsupported arguments\n" );
|
|
|
|
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 int prefix_len = sizeof(L"\\??\\PIPE\\") - sizeof(WCHAR);
|
|
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 < prefix_len ||
|
|
wcsnicmp( nt_name.Buffer, L"\\??\\PIPE\\", prefix_len / sizeof(WCHAR) ))
|
|
{
|
|
RtlFreeUnicodeString( &nt_name );
|
|
SetLastError( ERROR_PATH_NOT_FOUND );
|
|
return FALSE;
|
|
}
|
|
|
|
wait_size = offsetof( FILE_PIPE_WAIT_FOR_BUFFER, Name[(nt_name.Length - prefix_len) / 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 = prefix_len;
|
|
pipe_dev_name.MaximumLength = prefix_len;
|
|
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 - prefix_len;
|
|
memcpy( pipe_wait->Name, nt_name.Buffer + prefix_len/sizeof(WCHAR), 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 );
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* Interlocked functions
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
* InitOnceBeginInitialize (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH InitOnceBeginInitialize( INIT_ONCE *once, DWORD flags,
|
|
BOOL *pending, void **context )
|
|
{
|
|
NTSTATUS status = RtlRunOnceBeginInitialize( once, flags, context );
|
|
if (status >= 0) *pending = (status == STATUS_PENDING);
|
|
else SetLastError( RtlNtStatusToDosError(status) );
|
|
return status >= 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InitOnceComplete (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH InitOnceComplete( INIT_ONCE *once, DWORD flags, void *context )
|
|
{
|
|
return set_ntstatus( RtlRunOnceComplete( once, flags, context ));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InitOnceExecuteOnce (kernelbase.@)
|
|
*/
|
|
BOOL WINAPI DECLSPEC_HOTPATCH InitOnceExecuteOnce( INIT_ONCE *once, PINIT_ONCE_FN func,
|
|
void *param, void **context )
|
|
{
|
|
return !RtlRunOnceExecuteOnce( once, (PRTL_RUN_ONCE_INIT_FN)func, param, context );
|
|
}
|
|
|
|
#ifdef __i386__
|
|
|
|
/***********************************************************************
|
|
* InterlockedCompareExchange (kernelbase.@)
|
|
*/
|
|
__ASM_STDCALL_FUNC(InterlockedCompareExchange, 12,
|
|
"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 (kernelbase.@)
|
|
*/
|
|
__ASM_STDCALL_FUNC(InterlockedExchange, 8,
|
|
"movl 8(%esp),%eax\n\t"
|
|
"movl 4(%esp),%edx\n\t"
|
|
"lock; xchgl %eax,(%edx)\n\t"
|
|
"ret $8")
|
|
|
|
/***********************************************************************
|
|
* InterlockedExchangeAdd (kernelbase.@)
|
|
*/
|
|
__ASM_STDCALL_FUNC(InterlockedExchangeAdd, 8,
|
|
"movl 8(%esp),%eax\n\t"
|
|
"movl 4(%esp),%edx\n\t"
|
|
"lock; xaddl %eax,(%edx)\n\t"
|
|
"ret $8")
|
|
|
|
/***********************************************************************
|
|
* InterlockedIncrement (kernelbase.@)
|
|
*/
|
|
__ASM_STDCALL_FUNC(InterlockedIncrement, 4,
|
|
"movl 4(%esp),%edx\n\t"
|
|
"movl $1,%eax\n\t"
|
|
"lock; xaddl %eax,(%edx)\n\t"
|
|
"incl %eax\n\t"
|
|
"ret $4")
|
|
|
|
/***********************************************************************
|
|
* InterlockedDecrement (kernelbase.@)
|
|
*/
|
|
__ASM_STDCALL_FUNC(InterlockedDecrement, 4,
|
|
"movl 4(%esp),%edx\n\t"
|
|
"movl $-1,%eax\n\t"
|
|
"lock; xaddl %eax,(%edx)\n\t"
|
|
"decl %eax\n\t"
|
|
"ret $4")
|
|
|
|
#endif /* __i386__ */
|