/* * Kernel synchronization objects * * Copyright 1998 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include #include "ntstatus.h" #define WIN32_NO_STATUS #define NONAMELESSUNION #include "windef.h" #include "winbase.h" #include "wincon.h" #include "winerror.h" #include "winnls.h" #include "winternl.h" #include "winioctl.h" #include "ddk/wdm.h" #include "kernelbase.h" #include "wine/asm.h" #include "wine/exception.h" #include "wine/server.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(sync); static const struct _KUSER_SHARED_DATA *user_shared_data = (struct _KUSER_SHARED_DATA *)0x7ffe0000; /* check if current version is NT or Win95 */ static inline BOOL is_version_nt(void) { return !(GetVersion() & 0x80000000); } /* helper for kernel32->ntdll timeout format conversion */ static inline LARGE_INTEGER *get_nt_timeout( LARGE_INTEGER *time, DWORD timeout ) { if (timeout == INFINITE) return NULL; time->QuadPart = (ULONGLONG)timeout * -10000; return time; } /*********************************************************************** * BaseGetNamedObjectDirectory (kernelbase.@) */ NTSTATUS WINAPI BaseGetNamedObjectDirectory( HANDLE *dir ) { static HANDLE handle; WCHAR buffer[64]; UNICODE_STRING str; OBJECT_ATTRIBUTES attr; NTSTATUS status = STATUS_SUCCESS; if (!handle) { HANDLE dir; swprintf( buffer, ARRAY_SIZE(buffer), L"\\Sessions\\%u\\BaseNamedObjects", NtCurrentTeb()->Peb->SessionId ); RtlInitUnicodeString( &str, buffer ); InitializeObjectAttributes(&attr, &str, 0, 0, NULL); status = NtOpenDirectoryObject( &dir, DIRECTORY_CREATE_OBJECT|DIRECTORY_TRAVERSE, &attr ); if (!status && InterlockedCompareExchangePointer( &handle, dir, 0 ) != 0) { /* someone beat us here... */ CloseHandle( dir ); } } *dir = handle; return status; } static void get_create_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW, SECURITY_ATTRIBUTES *sa, const WCHAR *name ) { attr->Length = sizeof(*attr); attr->RootDirectory = 0; attr->ObjectName = NULL; attr->Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0); attr->SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL; attr->SecurityQualityOfService = NULL; if (name) { RtlInitUnicodeString( nameW, name ); attr->ObjectName = nameW; BaseGetNamedObjectDirectory( &attr->RootDirectory ); } } static BOOL get_open_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW, BOOL inherit, const WCHAR *name ) { HANDLE dir; if (!name) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } RtlInitUnicodeString( nameW, name ); BaseGetNamedObjectDirectory( &dir ); InitializeObjectAttributes( attr, nameW, inherit ? OBJ_INHERIT : 0, dir, NULL ); return TRUE; } /*********************************************************************** * Time functions ***********************************************************************/ /********************************************************************* * GetSystemTimes (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH GetSystemTimes( FILETIME *idle, FILETIME *kernel, FILETIME *user ) { LARGE_INTEGER idle_time, kernel_time, user_time; SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION *info; ULONG ret_size; DWORD i, cpus = NtCurrentTeb()->Peb->NumberOfProcessors; if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(*info) * cpus ))) { SetLastError( ERROR_OUTOFMEMORY ); return FALSE; } if (!set_ntstatus( NtQuerySystemInformation( SystemProcessorPerformanceInformation, info, sizeof(*info) * cpus, &ret_size ))) { HeapFree( GetProcessHeap(), 0, info ); return FALSE; } idle_time.QuadPart = 0; kernel_time.QuadPart = 0; user_time.QuadPart = 0; for (i = 0; i < cpus; i++) { idle_time.QuadPart += info[i].IdleTime.QuadPart; kernel_time.QuadPart += info[i].KernelTime.QuadPart; user_time.QuadPart += info[i].UserTime.QuadPart; } if (idle) { idle->dwLowDateTime = idle_time.u.LowPart; idle->dwHighDateTime = idle_time.u.HighPart; } if (kernel) { kernel->dwLowDateTime = kernel_time.u.LowPart; kernel->dwHighDateTime = kernel_time.u.HighPart; } if (user) { user->dwLowDateTime = user_time.u.LowPart; user->dwHighDateTime = user_time.u.HighPart; } HeapFree( GetProcessHeap(), 0, info ); return TRUE; } /****************************************************************************** * GetTickCount (kernelbase.@) */ ULONG WINAPI DECLSPEC_HOTPATCH GetTickCount(void) { /* note: we ignore TickCountMultiplier */ return user_shared_data->u.TickCount.LowPart; } /****************************************************************************** * GetTickCount64 (kernelbase.@) */ ULONGLONG WINAPI DECLSPEC_HOTPATCH GetTickCount64(void) { ULONG high, low; do { high = user_shared_data->u.TickCount.High1Time; low = user_shared_data->u.TickCount.LowPart; } while (high != user_shared_data->u.TickCount.High2Time); /* note: we ignore TickCountMultiplier */ return (ULONGLONG)high << 32 | low; } /*********************************************************************** * Waits ***********************************************************************/ static HANDLE normalize_handle_if_console( HANDLE handle ) { if ((handle == (HANDLE)STD_INPUT_HANDLE) || (handle == (HANDLE)STD_OUTPUT_HANDLE) || (handle == (HANDLE)STD_ERROR_HANDLE)) handle = GetStdHandle( HandleToULong(handle) ); /* even screen buffer console handles are waitable, and are * handled as a handle to the console itself */ return is_console_handle( handle ) ? get_console_wait_handle( handle ) : handle; } /*********************************************************************** * RegisterWaitForSingleObjectEx (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH RegisterWaitForSingleObjectEx( HANDLE handle, WAITORTIMERCALLBACK callback, PVOID context, ULONG timeout, ULONG flags ) { HANDLE ret; TRACE( "%p %p %p %d %d\n", handle, callback, context, timeout, flags ); handle = normalize_handle_if_console( handle ); if (!set_ntstatus( RtlRegisterWait( &ret, handle, callback, context, timeout, flags ))) return NULL; return ret; } /*********************************************************************** * SignalObjectAndWait (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH SignalObjectAndWait( HANDLE signal, HANDLE wait, DWORD timeout, BOOL alertable ) { NTSTATUS status; LARGE_INTEGER time; TRACE( "%p %p %d %d\n", signal, wait, timeout, alertable ); status = NtSignalAndWaitForSingleObject( signal, wait, alertable, get_nt_timeout( &time, timeout ) ); if (HIWORD(status)) { SetLastError( RtlNtStatusToDosError(status) ); status = WAIT_FAILED; } return status; } /*********************************************************************** * Sleep (kernelbase.@) */ void WINAPI DECLSPEC_HOTPATCH Sleep( DWORD timeout ) { LARGE_INTEGER time; NtDelayExecution( FALSE, get_nt_timeout( &time, timeout ) ); } /****************************************************************************** * SleepEx (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH SleepEx( DWORD timeout, BOOL alertable ) { NTSTATUS status; LARGE_INTEGER time; status = NtDelayExecution( alertable, get_nt_timeout( &time, timeout ) ); if (status == STATUS_USER_APC) return WAIT_IO_COMPLETION; return 0; } /*********************************************************************** * UnregisterWaitEx (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH UnregisterWaitEx( HANDLE handle, HANDLE event ) { return set_ntstatus( RtlDeregisterWaitEx( handle, event )); } /*********************************************************************** * WaitForSingleObject (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH WaitForSingleObject( HANDLE handle, DWORD timeout ) { return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE ); } /*********************************************************************** * WaitForSingleObjectEx (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH WaitForSingleObjectEx( HANDLE handle, DWORD timeout, BOOL alertable ) { return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable ); } /*********************************************************************** * WaitForMultipleObjects (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH WaitForMultipleObjects( DWORD count, const HANDLE *handles, BOOL wait_all, DWORD timeout ) { return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE ); } /*********************************************************************** * WaitForMultipleObjectsEx (kernelbase.@) */ DWORD WINAPI DECLSPEC_HOTPATCH WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, BOOL wait_all, DWORD timeout, BOOL alertable ) { NTSTATUS status; HANDLE hloc[MAXIMUM_WAIT_OBJECTS]; LARGE_INTEGER time; unsigned int i; if (count > MAXIMUM_WAIT_OBJECTS) { SetLastError(ERROR_INVALID_PARAMETER); return WAIT_FAILED; } for (i = 0; i < count; i++) hloc[i] = normalize_handle_if_console( handles[i] ); status = NtWaitForMultipleObjects( count, hloc, !wait_all, alertable, get_nt_timeout( &time, timeout ) ); if (HIWORD(status)) /* is it an error code? */ { SetLastError( RtlNtStatusToDosError(status) ); status = WAIT_FAILED; } return status; } /*********************************************************************** * WaitOnAddress (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH WaitOnAddress( volatile void *addr, void *cmp, SIZE_T size, DWORD timeout ) { LARGE_INTEGER to; if (timeout != INFINITE) { to.QuadPart = -(LONGLONG)timeout * 10000; return set_ntstatus( RtlWaitOnAddress( (const void *)addr, cmp, size, &to )); } return set_ntstatus( RtlWaitOnAddress( (const void *)addr, cmp, size, NULL )); } /*********************************************************************** * Events ***********************************************************************/ /*********************************************************************** * CreateEventA (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset, BOOL initial_state, LPCSTR name ) { DWORD flags = 0; if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET; if (initial_state) flags |= CREATE_EVENT_INITIAL_SET; return CreateEventExA( sa, name, flags, EVENT_ALL_ACCESS ); } /*********************************************************************** * CreateEventW (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset, BOOL initial_state, LPCWSTR name ) { DWORD flags = 0; if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET; if (initial_state) flags |= CREATE_EVENT_INITIAL_SET; return CreateEventExW( sa, name, flags, EVENT_ALL_ACCESS ); } /*********************************************************************** * CreateEventExA (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExA( SECURITY_ATTRIBUTES *sa, LPCSTR name, DWORD flags, DWORD access ) { WCHAR buffer[MAX_PATH]; if (!name) return CreateEventExW( sa, NULL, flags, access ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return CreateEventExW( sa, buffer, flags, access ); } /*********************************************************************** * CreateEventExW (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWORD flags, DWORD access ) { HANDLE ret = 0; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; /* one buggy program needs this * ("Van Dale Groot woordenboek der Nederlandse taal") */ __TRY { get_create_object_attributes( &attr, &nameW, sa, name ); } __EXCEPT_PAGE_FAULT { SetLastError( ERROR_INVALID_PARAMETER); return 0; } __ENDTRY status = NtCreateEvent( &ret, access, &attr, (flags & CREATE_EVENT_MANUAL_RESET) ? NotificationEvent : SynchronizationEvent, (flags & CREATE_EVENT_INITIAL_SET) != 0 ); if (status == STATUS_OBJECT_NAME_EXISTS) SetLastError( ERROR_ALREADY_EXISTS ); else SetLastError( RtlNtStatusToDosError(status) ); return ret; } /*********************************************************************** * OpenEventA (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH OpenEventA( DWORD access, BOOL inherit, LPCSTR name ) { WCHAR buffer[MAX_PATH]; if (!name) return OpenEventW( access, inherit, NULL ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return OpenEventW( access, inherit, buffer ); } /*********************************************************************** * OpenEventW (kernelbase.@) */ HANDLE WINAPI DECLSPEC_HOTPATCH OpenEventW( DWORD access, BOOL inherit, LPCWSTR name ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; if (!is_version_nt()) access = EVENT_ALL_ACCESS; if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0; if (!set_ntstatus( NtOpenEvent( &ret, access, &attr ))) return 0; return ret; } /*********************************************************************** * PulseEvent (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH PulseEvent( HANDLE handle ) { return set_ntstatus( NtPulseEvent( handle, NULL )); } /*********************************************************************** * SetEvent (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH SetEvent( HANDLE handle ) { return set_ntstatus( NtSetEvent( handle, NULL )); } /*********************************************************************** * ResetEvent (kernelbase.@) */ BOOL WINAPI DECLSPEC_HOTPATCH ResetEvent( HANDLE handle ) { 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( 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; 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__ */