/* * 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 "config.h" #include "wine/port.h" #include <string.h> #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #include <errno.h> #include <stdarg.h> #include <stdio.h> #define NONAMELESSUNION #define NONAMELESSSTRUCT #include "ntstatus.h" #define WIN32_NO_STATUS #include "windef.h" #include "winbase.h" #include "winerror.h" #include "winnls.h" #include "winternl.h" #include "winioctl.h" #include "ddk/wdm.h" #include "wine/unicode.h" #include "kernel_private.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(sync); /* check if current version is NT or Win95 */ static inline int is_version_nt(void) { return !(GetVersion() & 0x80000000); } /* returns directory handle to \\BaseNamedObjects */ HANDLE get_BaseNamedObjects_handle(void) { static HANDLE handle = NULL; static const WCHAR basenameW[] = {'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',0}; UNICODE_STRING str; OBJECT_ATTRIBUTES attr; if (!handle) { HANDLE dir; RtlInitUnicodeString(&str, basenameW); InitializeObjectAttributes(&attr, &str, 0, 0, NULL); NtOpenDirectoryObject(&dir, DIRECTORY_CREATE_OBJECT|DIRECTORY_TRAVERSE, &attr); if (InterlockedCompareExchangePointer( &handle, dir, 0 ) != 0) { /* someone beat us here... */ CloseHandle( dir ); } } return handle; } /* helper for kernel32->ntdll timeout format conversion */ static inline PLARGE_INTEGER get_nt_timeout( PLARGE_INTEGER pTime, DWORD timeout ) { if (timeout == INFINITE) return NULL; pTime->QuadPart = (ULONGLONG)timeout * -10000; return pTime; } /*********************************************************************** * Sleep (KERNEL32.@) */ VOID WINAPI Sleep( DWORD timeout ) { SleepEx( timeout, FALSE ); } /****************************************************************************** * SleepEx (KERNEL32.@) */ DWORD WINAPI 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; } /*********************************************************************** * SwitchToThread (KERNEL32.@) */ BOOL WINAPI SwitchToThread(void) { return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED); } /*********************************************************************** * WaitForSingleObject (KERNEL32.@) */ DWORD WINAPI WaitForSingleObject( HANDLE handle, DWORD timeout ) { return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE ); } /*********************************************************************** * WaitForSingleObjectEx (KERNEL32.@) */ DWORD WINAPI WaitForSingleObjectEx( HANDLE handle, DWORD timeout, BOOL alertable ) { return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable ); } /*********************************************************************** * WaitForMultipleObjects (KERNEL32.@) */ DWORD WINAPI WaitForMultipleObjects( DWORD count, const HANDLE *handles, BOOL wait_all, DWORD timeout ) { return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE ); } /*********************************************************************** * WaitForMultipleObjectsEx (KERNEL32.@) */ DWORD WINAPI 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++) { if ((handles[i] == (HANDLE)STD_INPUT_HANDLE) || (handles[i] == (HANDLE)STD_OUTPUT_HANDLE) || (handles[i] == (HANDLE)STD_ERROR_HANDLE)) hloc[i] = GetStdHandle( HandleToULong(handles[i]) ); else hloc[i] = handles[i]; /* yes, even screen buffer console handles are waitable, and are * handled as a handle to the console itself !! */ if (is_console_handle(hloc[i])) { if (VerifyConsoleIoHandle(hloc[i])) hloc[i] = GetConsoleInputWaitHandle(); } } 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; } /*********************************************************************** * RegisterWaitForSingleObject (KERNEL32.@) */ BOOL WINAPI RegisterWaitForSingleObject(PHANDLE phNewWaitObject, HANDLE hObject, WAITORTIMERCALLBACK Callback, PVOID Context, ULONG dwMilliseconds, ULONG dwFlags) { NTSTATUS status; TRACE("%p %p %p %p %d %d\n", phNewWaitObject,hObject,Callback,Context,dwMilliseconds,dwFlags); status = RtlRegisterWait( phNewWaitObject, hObject, Callback, Context, dwMilliseconds, dwFlags ); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /*********************************************************************** * RegisterWaitForSingleObjectEx (KERNEL32.@) */ HANDLE WINAPI RegisterWaitForSingleObjectEx( HANDLE hObject, WAITORTIMERCALLBACK Callback, PVOID Context, ULONG dwMilliseconds, ULONG dwFlags ) { NTSTATUS status; HANDLE hNewWaitObject; TRACE("%p %p %p %d %d\n", hObject,Callback,Context,dwMilliseconds,dwFlags); status = RtlRegisterWait( &hNewWaitObject, hObject, Callback, Context, dwMilliseconds, dwFlags ); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return NULL; } return hNewWaitObject; } /*********************************************************************** * UnregisterWait (KERNEL32.@) */ BOOL WINAPI UnregisterWait( HANDLE WaitHandle ) { NTSTATUS status; TRACE("%p\n",WaitHandle); status = RtlDeregisterWait( WaitHandle ); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /*********************************************************************** * UnregisterWaitEx (KERNEL32.@) */ BOOL WINAPI UnregisterWaitEx( HANDLE WaitHandle, HANDLE CompletionEvent ) { NTSTATUS status; TRACE("%p %p\n",WaitHandle, CompletionEvent); status = RtlDeregisterWaitEx( WaitHandle, CompletionEvent ); if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /*********************************************************************** * SignalObjectAndWait (KERNEL32.@) * * Allows to atomically signal any of the synchro objects (semaphore, * mutex, event) and wait on another. */ DWORD WINAPI SignalObjectAndWait( HANDLE hObjectToSignal, HANDLE hObjectToWaitOn, DWORD dwMilliseconds, BOOL bAlertable ) { NTSTATUS status; LARGE_INTEGER timeout; TRACE("%p %p %d %d\n", hObjectToSignal, hObjectToWaitOn, dwMilliseconds, bAlertable); status = NtSignalAndWaitForSingleObject( hObjectToSignal, hObjectToWaitOn, bAlertable, get_nt_timeout( &timeout, dwMilliseconds ) ); if (HIWORD(status)) { SetLastError( RtlNtStatusToDosError(status) ); status = WAIT_FAILED; } return status; } /*********************************************************************** * InitializeCriticalSection (KERNEL32.@) * * Initialise a critical section before use. * * PARAMS * crit [O] Critical section to initialise. * * RETURNS * Nothing. If the function fails an exception is raised. */ void WINAPI InitializeCriticalSection( CRITICAL_SECTION *crit ) { InitializeCriticalSectionEx( crit, 0, 0 ); } /*********************************************************************** * InitializeCriticalSectionAndSpinCount (KERNEL32.@) * * Initialise a critical section with a spin count. * * PARAMS * crit [O] Critical section to initialise. * spincount [I] Number of times to spin upon contention. * * RETURNS * Success: TRUE. * Failure: Nothing. If the function fails an exception is raised. * * NOTES * spincount is ignored on uni-processor systems. */ BOOL WINAPI InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD spincount ) { return InitializeCriticalSectionEx( crit, spincount, 0 ); } /*********************************************************************** * InitializeCriticalSectionEx (KERNEL32.@) * * Initialise a critical section with a spin count and flags. * * PARAMS * crit [O] Critical section to initialise. * spincount [I] Number of times to spin upon contention. * flags [I] CRITICAL_SECTION_ flags from winbase.h. * * RETURNS * Success: TRUE. * Failure: Nothing. If the function fails an exception is raised. * * NOTES * spincount is ignored on uni-processor systems. */ BOOL WINAPI InitializeCriticalSectionEx( CRITICAL_SECTION *crit, DWORD spincount, DWORD flags ) { NTSTATUS ret = RtlInitializeCriticalSectionEx( crit, spincount, flags ); if (ret) RtlRaiseStatus( ret ); return !ret; } /*********************************************************************** * MakeCriticalSectionGlobal (KERNEL32.@) */ void WINAPI MakeCriticalSectionGlobal( CRITICAL_SECTION *crit ) { /* let's assume that only one thread at a time will try to do this */ HANDLE sem = crit->LockSemaphore; if (!sem) NtCreateSemaphore( &sem, SEMAPHORE_ALL_ACCESS, NULL, 0, 1 ); crit->LockSemaphore = ConvertToGlobalHandle( sem ); RtlFreeHeap( GetProcessHeap(), 0, crit->DebugInfo ); crit->DebugInfo = NULL; } /*********************************************************************** * ReinitializeCriticalSection (KERNEL32.@) * * Initialise an already used critical section. * * PARAMS * crit [O] Critical section to initialise. * * RETURNS * Nothing. */ void WINAPI ReinitializeCriticalSection( CRITICAL_SECTION *crit ) { if ( !crit->LockSemaphore ) RtlInitializeCriticalSection( crit ); } /*********************************************************************** * UninitializeCriticalSection (KERNEL32.@) * * UnInitialise a critical section after use. * * PARAMS * crit [O] Critical section to uninitialise (destroy). * * RETURNS * Nothing. */ void WINAPI UninitializeCriticalSection( CRITICAL_SECTION *crit ) { RtlDeleteCriticalSection( crit ); } /*********************************************************************** * CreateEventA (KERNEL32.@) */ HANDLE WINAPI 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 (KERNEL32.@) */ HANDLE WINAPI 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 (KERNEL32.@) */ HANDLE WINAPI 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 (KERNEL32.@) */ HANDLE WINAPI CreateEventExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWORD flags, DWORD access ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; /* one buggy program needs this * ("Van Dale Groot woordenboek der Nederlandse taal") */ if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES))) { ERR("Bad security attributes pointer %p\n",sa); SetLastError( ERROR_INVALID_PARAMETER); return 0; } 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; attr.RootDirectory = get_BaseNamedObjects_handle(); } 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 (KERNEL32.@) */ HANDLE WINAPI 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 (KERNEL32.@) */ HANDLE WINAPI OpenEventW( DWORD access, BOOL inherit, LPCWSTR name ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; if (!is_version_nt()) access = EVENT_ALL_ACCESS; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = NULL; attr.Attributes = inherit ? OBJ_INHERIT : 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (name) { RtlInitUnicodeString( &nameW, name ); attr.ObjectName = &nameW; attr.RootDirectory = get_BaseNamedObjects_handle(); } status = NtOpenEvent( &ret, access, &attr ); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return 0; } return ret; } /*********************************************************************** * PulseEvent (KERNEL32.@) */ BOOL WINAPI PulseEvent( HANDLE handle ) { NTSTATUS status; if ((status = NtPulseEvent( handle, NULL ))) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /*********************************************************************** * SetEvent (KERNEL32.@) */ BOOL WINAPI SetEvent( HANDLE handle ) { NTSTATUS status; if ((status = NtSetEvent( handle, NULL ))) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /*********************************************************************** * ResetEvent (KERNEL32.@) */ BOOL WINAPI ResetEvent( HANDLE handle ) { NTSTATUS status; if ((status = NtResetEvent( handle, NULL ))) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /*********************************************************************** * CreateMutexA (KERNEL32.@) */ HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name ) { return CreateMutexExA( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS ); } /*********************************************************************** * CreateMutexW (KERNEL32.@) */ HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name ) { return CreateMutexExW( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS ); } /*********************************************************************** * CreateMutexExA (KERNEL32.@) */ HANDLE WINAPI 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 (KERNEL32.@) */ HANDLE WINAPI CreateMutexExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWORD flags, DWORD access ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; 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; attr.RootDirectory = get_BaseNamedObjects_handle(); } 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; } /*********************************************************************** * OpenMutexA (KERNEL32.@) */ HANDLE WINAPI OpenMutexA( DWORD access, BOOL inherit, LPCSTR name ) { WCHAR buffer[MAX_PATH]; if (!name) return OpenMutexW( access, inherit, NULL ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return OpenMutexW( access, inherit, buffer ); } /*********************************************************************** * OpenMutexW (KERNEL32.@) */ HANDLE WINAPI OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; if (!is_version_nt()) access = MUTEX_ALL_ACCESS; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = NULL; attr.Attributes = inherit ? OBJ_INHERIT : 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (name) { RtlInitUnicodeString( &nameW, name ); attr.ObjectName = &nameW; attr.RootDirectory = get_BaseNamedObjects_handle(); } status = NtOpenMutant( &ret, access, &attr ); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return 0; } return ret; } /*********************************************************************** * ReleaseMutex (KERNEL32.@) */ BOOL WINAPI ReleaseMutex( HANDLE handle ) { NTSTATUS status; status = NtReleaseMutant(handle, NULL); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /* * Semaphores */ /*********************************************************************** * CreateSemaphoreA (KERNEL32.@) */ HANDLE WINAPI CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name ) { return CreateSemaphoreExA( sa, initial, max, name, 0, SEMAPHORE_ALL_ACCESS ); } /*********************************************************************** * CreateSemaphoreW (KERNEL32.@) */ HANDLE WINAPI CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCWSTR name ) { return CreateSemaphoreExW( sa, initial, max, name, 0, SEMAPHORE_ALL_ACCESS ); } /*********************************************************************** * CreateSemaphoreExA (KERNEL32.@) */ HANDLE WINAPI CreateSemaphoreExA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name, DWORD flags, DWORD access ) { WCHAR buffer[MAX_PATH]; if (!name) return CreateSemaphoreExW( sa, initial, max, NULL, flags, access ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return CreateSemaphoreExW( sa, initial, max, buffer, flags, access ); } /*********************************************************************** * CreateSemaphoreExW (KERNEL32.@) */ HANDLE WINAPI CreateSemaphoreExW( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCWSTR name, DWORD flags, DWORD access ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; 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; attr.RootDirectory = get_BaseNamedObjects_handle(); } status = NtCreateSemaphore( &ret, access, &attr, initial, max ); if (status == STATUS_OBJECT_NAME_EXISTS) SetLastError( ERROR_ALREADY_EXISTS ); else SetLastError( RtlNtStatusToDosError(status) ); return ret; } /*********************************************************************** * OpenSemaphoreA (KERNEL32.@) */ HANDLE WINAPI OpenSemaphoreA( DWORD access, BOOL inherit, LPCSTR name ) { WCHAR buffer[MAX_PATH]; if (!name) return OpenSemaphoreW( access, inherit, NULL ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return OpenSemaphoreW( access, inherit, buffer ); } /*********************************************************************** * OpenSemaphoreW (KERNEL32.@) */ HANDLE WINAPI OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = NULL; attr.Attributes = inherit ? OBJ_INHERIT : 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (name) { RtlInitUnicodeString( &nameW, name ); attr.ObjectName = &nameW; attr.RootDirectory = get_BaseNamedObjects_handle(); } status = NtOpenSemaphore( &ret, access, &attr ); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return 0; } return ret; } /*********************************************************************** * ReleaseSemaphore (KERNEL32.@) */ BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous ) { NTSTATUS status = NtReleaseSemaphore( handle, count, (PULONG)previous ); if (status) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /* * Jobs */ /****************************************************************************** * CreateJobObjectW (KERNEL32.@) */ HANDLE WINAPI CreateJobObjectW( LPSECURITY_ATTRIBUTES sa, LPCWSTR name ) { HANDLE ret = 0; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; 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; attr.RootDirectory = get_BaseNamedObjects_handle(); } status = NtCreateJobObject( &ret, JOB_OBJECT_ALL_ACCESS, &attr ); if (status == STATUS_OBJECT_NAME_EXISTS) SetLastError( ERROR_ALREADY_EXISTS ); else SetLastError( RtlNtStatusToDosError(status) ); return ret; } /****************************************************************************** * CreateJobObjectA (KERNEL32.@) */ HANDLE WINAPI CreateJobObjectA( LPSECURITY_ATTRIBUTES attr, LPCSTR name ) { WCHAR buffer[MAX_PATH]; if (!name) return CreateJobObjectW( attr, NULL ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return CreateJobObjectW( attr, buffer ); } /****************************************************************************** * OpenJobObjectW (KERNEL32.@) */ HANDLE WINAPI OpenJobObjectW( DWORD access, BOOL inherit, LPCWSTR name ) { HANDLE ret; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = NULL; attr.Attributes = inherit ? OBJ_INHERIT : 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (name) { RtlInitUnicodeString( &nameW, name ); attr.ObjectName = &nameW; attr.RootDirectory = get_BaseNamedObjects_handle(); } status = NtOpenJobObject( &ret, access, &attr ); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return 0; } return ret; } /****************************************************************************** * OpenJobObjectA (KERNEL32.@) */ HANDLE WINAPI OpenJobObjectA( DWORD access, BOOL inherit, LPCSTR name ) { WCHAR buffer[MAX_PATH]; if (!name) return OpenJobObjectW( access, inherit, NULL ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return OpenJobObjectW( access, inherit, buffer ); } /****************************************************************************** * TerminateJobObject (KERNEL32.@) */ BOOL WINAPI TerminateJobObject( HANDLE job, UINT exit_code ) { NTSTATUS status = NtTerminateJobObject( job, exit_code ); if (status) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /****************************************************************************** * QueryInformationJobObject (KERNEL32.@) */ BOOL WINAPI QueryInformationJobObject( HANDLE job, JOBOBJECTINFOCLASS class, LPVOID info, DWORD len, DWORD *ret_len ) { NTSTATUS status = NtQueryInformationJobObject( job, class, info, len, ret_len ); if (status) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /****************************************************************************** * SetInformationJobObject (KERNEL32.@) */ BOOL WINAPI SetInformationJobObject( HANDLE job, JOBOBJECTINFOCLASS class, LPVOID info, DWORD len ) { NTSTATUS status = NtSetInformationJobObject( job, class, info, len ); if (status) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /****************************************************************************** * AssignProcessToJobObject (KERNEL32.@) */ BOOL WINAPI AssignProcessToJobObject( HANDLE job, HANDLE process ) { NTSTATUS status = NtAssignProcessToJobObject( job, process ); if (status) SetLastError( RtlNtStatusToDosError(status) ); return !status; } /****************************************************************************** * IsProcessInJob (KERNEL32.@) */ BOOL WINAPI IsProcessInJob( HANDLE process, HANDLE job, PBOOL result ) { NTSTATUS status = NtIsProcessInJob( job, process ); switch(status) { case STATUS_PROCESS_IN_JOB: *result = TRUE; return TRUE; case STATUS_PROCESS_NOT_IN_JOB: *result = FALSE; return TRUE; default: SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } } /* * Timers */ /*********************************************************************** * CreateWaitableTimerA (KERNEL32.@) */ HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name ) { return CreateWaitableTimerExA( sa, name, manual ? CREATE_WAITABLE_TIMER_MANUAL_RESET : 0, TIMER_ALL_ACCESS ); } /*********************************************************************** * CreateWaitableTimerW (KERNEL32.@) */ HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name ) { return CreateWaitableTimerExW( sa, name, manual ? CREATE_WAITABLE_TIMER_MANUAL_RESET : 0, TIMER_ALL_ACCESS ); } /*********************************************************************** * CreateWaitableTimerExA (KERNEL32.@) */ HANDLE WINAPI CreateWaitableTimerExA( SECURITY_ATTRIBUTES *sa, LPCSTR name, DWORD flags, DWORD access ) { WCHAR buffer[MAX_PATH]; if (!name) return CreateWaitableTimerExW( sa, NULL, flags, access ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return CreateWaitableTimerExW( sa, buffer, flags, access ); } /*********************************************************************** * CreateWaitableTimerExW (KERNEL32.@) */ HANDLE WINAPI CreateWaitableTimerExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWORD flags, DWORD access ) { HANDLE handle; NTSTATUS status; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; 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; attr.RootDirectory = get_BaseNamedObjects_handle(); } 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; } /*********************************************************************** * OpenWaitableTimerA (KERNEL32.@) */ HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name ) { WCHAR buffer[MAX_PATH]; if (!name) return OpenWaitableTimerW( access, inherit, NULL ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return OpenWaitableTimerW( access, inherit, buffer ); } /*********************************************************************** * OpenWaitableTimerW (KERNEL32.@) */ HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name ) { HANDLE handle; UNICODE_STRING nameW; OBJECT_ATTRIBUTES attr; NTSTATUS status; if (!is_version_nt()) access = TIMER_ALL_ACCESS; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = NULL; attr.Attributes = inherit ? OBJ_INHERIT : 0; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (name) { RtlInitUnicodeString( &nameW, name ); attr.ObjectName = &nameW; attr.RootDirectory = get_BaseNamedObjects_handle(); } status = NtOpenTimer(&handle, access, &attr); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return 0; } return handle; } /*********************************************************************** * SetWaitableTimer (KERNEL32.@) */ BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period, PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume ) { NTSTATUS status = NtSetTimer(handle, when, (PTIMER_APC_ROUTINE)callback, arg, resume, period, NULL); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); if (status != STATUS_TIMER_RESUME_IGNORED) return FALSE; } return TRUE; } /*********************************************************************** * CancelWaitableTimer (KERNEL32.@) */ BOOL WINAPI CancelWaitableTimer( HANDLE handle ) { NTSTATUS status; status = NtCancelTimer(handle, NULL); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /*********************************************************************** * CreateTimerQueue (KERNEL32.@) */ HANDLE WINAPI CreateTimerQueue(void) { HANDLE q; NTSTATUS status = RtlCreateTimerQueue(&q); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return NULL; } return q; } /*********************************************************************** * DeleteTimerQueueEx (KERNEL32.@) */ BOOL WINAPI DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent) { NTSTATUS status = RtlDeleteTimerQueueEx(TimerQueue, CompletionEvent); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /*********************************************************************** * DeleteTimerQueue (KERNEL32.@) */ BOOL WINAPI DeleteTimerQueue(HANDLE TimerQueue) { return DeleteTimerQueueEx(TimerQueue, NULL); } /*********************************************************************** * CreateTimerQueueTimer (KERNEL32.@) * * Creates a timer-queue timer. This timer expires at the specified due * time (in ms), then after every specified period (in ms). When the timer * expires, the callback function is called. * * RETURNS * nonzero on success or zero on failure */ BOOL WINAPI CreateTimerQueueTimer( PHANDLE phNewTimer, HANDLE TimerQueue, WAITORTIMERCALLBACK Callback, PVOID Parameter, DWORD DueTime, DWORD Period, ULONG Flags ) { NTSTATUS status = RtlCreateTimer(phNewTimer, TimerQueue, Callback, Parameter, DueTime, Period, Flags); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /*********************************************************************** * ChangeTimerQueueTimer (KERNEL32.@) * * Changes the times at which the timer expires. * * RETURNS * nonzero on success or zero on failure */ BOOL WINAPI ChangeTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer, ULONG DueTime, ULONG Period ) { NTSTATUS status = RtlUpdateTimer(TimerQueue, Timer, DueTime, Period); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /*********************************************************************** * DeleteTimerQueueTimer (KERNEL32.@) * * Cancels a timer-queue timer. * * RETURNS * nonzero on success or zero on failure */ BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer, HANDLE CompletionEvent ) { NTSTATUS status = RtlDeleteTimer(TimerQueue, Timer, CompletionEvent); if (status != STATUS_SUCCESS) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /* * Pipes */ /*********************************************************************** * CreateNamedPipeA (KERNEL32.@) */ HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode, DWORD dwPipeMode, DWORD nMaxInstances, DWORD nOutBufferSize, DWORD nInBufferSize, DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr ) { WCHAR buffer[MAX_PATH]; if (!name) return CreateNamedPipeW( NULL, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return INVALID_HANDLE_VALUE; } return CreateNamedPipeW( buffer, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr ); } /*********************************************************************** * CreateNamedPipeW (KERNEL32.@) */ HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode, DWORD dwPipeMode, DWORD nMaxInstances, DWORD nOutBufferSize, DWORD nInBufferSize, DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES sa ) { HANDLE handle; UNICODE_STRING nt_name; OBJECT_ATTRIBUTES attr; DWORD access, options, sharing; BOOLEAN pipe_type, read_mode, non_block; NTSTATUS status; IO_STATUS_BLOCK iosb; LARGE_INTEGER timeout; TRACE("(%s, %#08x, %#08x, %d, %d, %d, %d, %p)\n", debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeOut, sa ); if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL )) { SetLastError( ERROR_PATH_NOT_FOUND ); return INVALID_HANDLE_VALUE; } if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) ) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); RtlFreeUnicodeString( &nt_name ); return INVALID_HANDLE_VALUE; } attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = &nt_name; attr.Attributes = OBJ_CASE_INSENSITIVE | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0); attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL; attr.SecurityQualityOfService = NULL; switch(dwOpenMode & 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 (dwOpenMode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH; if (!(dwOpenMode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT; pipe_type = (dwPipeMode & PIPE_TYPE_MESSAGE) ? TRUE : FALSE; read_mode = (dwPipeMode & PIPE_READMODE_MESSAGE) ? TRUE : FALSE; non_block = (dwPipeMode & PIPE_NOWAIT) ? TRUE : FALSE; if (nMaxInstances >= PIPE_UNLIMITED_INSTANCES) nMaxInstances = ~0U; timeout.QuadPart = (ULONGLONG)nDefaultTimeOut * -10000; SetLastError(0); status = NtCreateNamedPipeFile(&handle, access, &attr, &iosb, sharing, FILE_OVERWRITE_IF, options, pipe_type, read_mode, non_block, nMaxInstances, nInBufferSize, nOutBufferSize, &timeout); RtlFreeUnicodeString( &nt_name ); if (status) { handle = INVALID_HANDLE_VALUE; SetLastError( RtlNtStatusToDosError(status) ); } return handle; } /*********************************************************************** * PeekNamedPipe (KERNEL32.@) */ BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer, LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage ) { FILE_PIPE_PEEK_BUFFER local_buffer; FILE_PIPE_PEEK_BUFFER *buffer = &local_buffer; IO_STATUS_BLOCK io; NTSTATUS status; if (cbBuffer && !(buffer = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] )))) { SetLastError( ERROR_NOT_ENOUGH_MEMORY ); return FALSE; } status = NtFsControlFile( hPipe, 0, NULL, NULL, &io, FSCTL_PIPE_PEEK, NULL, 0, buffer, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] ) ); if (!status) { ULONG read_size = io.Information - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data ); if (lpcbAvail) *lpcbAvail = buffer->ReadDataAvailable; if (lpcbRead) *lpcbRead = read_size; if (lpcbMessage) *lpcbMessage = 0; /* FIXME */ if (lpvBuffer) memcpy( lpvBuffer, buffer->Data, read_size ); } else SetLastError( RtlNtStatusToDosError(status) ); if (buffer != &local_buffer) HeapFree( GetProcessHeap(), 0, buffer ); return !status; } /*********************************************************************** * WaitNamedPipeA (KERNEL32.@) */ BOOL WINAPI WaitNamedPipeA (LPCSTR name, DWORD nTimeOut) { WCHAR buffer[MAX_PATH]; if (!name) return WaitNamedPipeW( NULL, nTimeOut ); if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH )) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); return 0; } return WaitNamedPipeW( buffer, nTimeOut ); } /*********************************************************************** * WaitNamedPipeW (KERNEL32.@) * * Waits for a named pipe instance to become available * * PARAMS * name [I] Pointer to a named pipe name to wait for * nTimeOut [I] How long to wait in ms * * RETURNS * TRUE: Success, named pipe can be opened with CreateFile * FALSE: Failure, GetLastError can be called for further details */ BOOL WINAPI WaitNamedPipeW (LPCWSTR name, DWORD nTimeOut) { static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'}; NTSTATUS status; UNICODE_STRING nt_name, pipe_dev_name; FILE_PIPE_WAIT_FOR_BUFFER *pipe_wait; IO_STATUS_BLOCK iosb; OBJECT_ATTRIBUTES attr; ULONG sz_pipe_wait; HANDLE pipe_dev; TRACE("%s 0x%08x\n",debugstr_w(name),nTimeOut); if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL )) return FALSE; if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) || nt_name.Length < sizeof(leadin) || strncmpiW( nt_name.Buffer, leadin, sizeof(leadin)/sizeof(WCHAR)) != 0) { RtlFreeUnicodeString( &nt_name ); SetLastError( ERROR_PATH_NOT_FOUND ); return FALSE; } sz_pipe_wait = sizeof(*pipe_wait) + nt_name.Length - sizeof(leadin) - sizeof(WCHAR); if (!(pipe_wait = HeapAlloc( GetProcessHeap(), 0, sz_pipe_wait))) { RtlFreeUnicodeString( &nt_name ); SetLastError( ERROR_OUTOFMEMORY ); return FALSE; } pipe_dev_name.Buffer = nt_name.Buffer; pipe_dev_name.Length = sizeof(leadin); pipe_dev_name.MaximumLength = sizeof(leadin); InitializeObjectAttributes(&attr,&pipe_dev_name, OBJ_CASE_INSENSITIVE, NULL, NULL); status = NtOpenFile( &pipe_dev, FILE_READ_ATTRIBUTES, &attr, &iosb, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_NONALERT); if (status != ERROR_SUCCESS) { HeapFree( GetProcessHeap(), 0, pipe_wait); RtlFreeUnicodeString( &nt_name ); SetLastError( ERROR_PATH_NOT_FOUND ); return FALSE; } pipe_wait->TimeoutSpecified = !(nTimeOut == NMPWAIT_USE_DEFAULT_WAIT); if (nTimeOut == NMPWAIT_WAIT_FOREVER) pipe_wait->Timeout.QuadPart = ((ULONGLONG)0x7fffffff << 32) | 0xffffffff; else pipe_wait->Timeout.QuadPart = (ULONGLONG)nTimeOut * -10000; pipe_wait->NameLength = nt_name.Length - sizeof(leadin); memcpy(pipe_wait->Name, nt_name.Buffer + sizeof(leadin)/sizeof(WCHAR), pipe_wait->NameLength); RtlFreeUnicodeString( &nt_name ); status = NtFsControlFile( pipe_dev, NULL, NULL, NULL, &iosb, FSCTL_PIPE_WAIT, pipe_wait, sz_pipe_wait, NULL, 0 ); HeapFree( GetProcessHeap(), 0, pipe_wait ); NtClose( pipe_dev ); if(status != STATUS_SUCCESS) { SetLastError(RtlNtStatusToDosError(status)); return FALSE; } else return TRUE; } /*********************************************************************** * ConnectNamedPipe (KERNEL32.@) * * Connects to a named pipe * * Parameters * hPipe: A handle to a named pipe returned by CreateNamedPipe * overlapped: Optional OVERLAPPED struct * * Return values * TRUE: Success * FALSE: Failure, GetLastError can be called for further details */ BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped) { NTSTATUS status; IO_STATUS_BLOCK status_block; LPVOID cvalue = NULL; TRACE("(%p,%p)\n", hPipe, overlapped); if(overlapped) { overlapped->Internal = STATUS_PENDING; overlapped->InternalHigh = 0; if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped; } status = NtFsControlFile(hPipe, overlapped ? overlapped->hEvent : NULL, NULL, cvalue, overlapped ? (IO_STATUS_BLOCK *)overlapped : &status_block, FSCTL_PIPE_LISTEN, NULL, 0, NULL, 0); if (status == STATUS_SUCCESS) return TRUE; SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } /*********************************************************************** * DisconnectNamedPipe (KERNEL32.@) * * Disconnects from a named pipe * * Parameters * hPipe: A handle to a named pipe returned by CreateNamedPipe * * Return values * TRUE: Success * FALSE: Failure, GetLastError can be called for further details */ BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe) { NTSTATUS status; IO_STATUS_BLOCK io_block; TRACE("(%p)\n",hPipe); status = NtFsControlFile(hPipe, 0, NULL, NULL, &io_block, FSCTL_PIPE_DISCONNECT, NULL, 0, NULL, 0); if (status == STATUS_SUCCESS) return TRUE; SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } /*********************************************************************** * TransactNamedPipe (KERNEL32.@) * * BUGS * should be done as a single operation in the wineserver or kernel */ BOOL WINAPI TransactNamedPipe( HANDLE handle, LPVOID write_buf, DWORD write_size, LPVOID read_buf, DWORD read_size, LPDWORD bytes_read, LPOVERLAPPED overlapped) { BOOL r; DWORD count; TRACE("%p %p %d %p %d %p %p\n", handle, write_buf, write_size, read_buf, read_size, bytes_read, overlapped); if (overlapped) { FIXME("Doesn't support overlapped operation as yet\n"); return FALSE; } r = WriteFile(handle, write_buf, write_size, &count, NULL); if (r) r = ReadFile(handle, read_buf, read_size, bytes_read, NULL); return r; } /*********************************************************************** * GetNamedPipeInfo (KERNEL32.@) */ BOOL WINAPI GetNamedPipeInfo( HANDLE hNamedPipe, LPDWORD lpFlags, LPDWORD lpOutputBufferSize, LPDWORD lpInputBufferSize, LPDWORD lpMaxInstances) { FILE_PIPE_LOCAL_INFORMATION fpli; IO_STATUS_BLOCK iosb; NTSTATUS status; status = NtQueryInformationFile(hNamedPipe, &iosb, &fpli, sizeof(fpli), FilePipeLocalInformation); if (status) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } if (lpFlags) { *lpFlags = (fpli.NamedPipeEnd & FILE_PIPE_SERVER_END) ? PIPE_SERVER_END : PIPE_CLIENT_END; *lpFlags |= (fpli.NamedPipeType & FILE_PIPE_TYPE_MESSAGE) ? PIPE_TYPE_MESSAGE : PIPE_TYPE_BYTE; } if (lpOutputBufferSize) *lpOutputBufferSize = fpli.OutboundQuota; if (lpInputBufferSize) *lpInputBufferSize = fpli.InboundQuota; if (lpMaxInstances) *lpMaxInstances = fpli.MaximumInstances; return TRUE; } /*********************************************************************** * GetNamedPipeHandleStateA (KERNEL32.@) */ BOOL WINAPI GetNamedPipeHandleStateA( HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances, LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout, LPSTR lpUsername, DWORD nUsernameMaxSize) { FIXME("%p %p %p %p %p %p %d\n", hNamedPipe, lpState, lpCurInstances, lpMaxCollectionCount, lpCollectDataTimeout, lpUsername, nUsernameMaxSize); return FALSE; } /*********************************************************************** * GetNamedPipeHandleStateW (KERNEL32.@) */ BOOL WINAPI GetNamedPipeHandleStateW( HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances, LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout, LPWSTR lpUsername, DWORD nUsernameMaxSize) { FIXME("%p %p %p %p %p %p %d\n", hNamedPipe, lpState, lpCurInstances, lpMaxCollectionCount, lpCollectDataTimeout, lpUsername, nUsernameMaxSize); return FALSE; } /*********************************************************************** * SetNamedPipeHandleState (KERNEL32.@) */ BOOL WINAPI SetNamedPipeHandleState( HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout) { /* should be a fixme, but this function is called a lot by the RPC * runtime, and it slows down InstallShield a fair bit. */ WARN("stub: %p %p/%d %p %p\n", hNamedPipe, lpMode, lpMode ? *lpMode : 0, lpMaxCollectionCount, lpCollectDataTimeout); return FALSE; } /*********************************************************************** * CallNamedPipeA (KERNEL32.@) */ BOOL WINAPI CallNamedPipeA( LPCSTR lpNamedPipeName, LPVOID lpInput, DWORD dwInputSize, LPVOID lpOutput, DWORD dwOutputSize, LPDWORD lpBytesRead, DWORD nTimeout) { DWORD len; LPWSTR str = NULL; BOOL ret; TRACE("%s %p %d %p %d %p %d\n", debugstr_a(lpNamedPipeName), lpInput, dwInputSize, lpOutput, dwOutputSize, lpBytesRead, nTimeout); if( lpNamedPipeName ) { len = MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, NULL, 0 ); str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) ); MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, str, len ); } ret = CallNamedPipeW( str, lpInput, dwInputSize, lpOutput, dwOutputSize, lpBytesRead, nTimeout ); if( lpNamedPipeName ) HeapFree( GetProcessHeap(), 0, str ); return ret; } /*********************************************************************** * CallNamedPipeW (KERNEL32.@) */ BOOL WINAPI CallNamedPipeW( LPCWSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize, LPVOID lpOutput, DWORD lpOutputSize, LPDWORD lpBytesRead, DWORD nTimeout) { HANDLE pipe; BOOL ret; DWORD mode; TRACE("%s %p %d %p %d %p %d\n", debugstr_w(lpNamedPipeName), lpInput, lpInputSize, lpOutput, lpOutputSize, lpBytesRead, nTimeout); pipe = CreateFileW(lpNamedPipeName, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL); if (pipe == INVALID_HANDLE_VALUE) { ret = WaitNamedPipeW(lpNamedPipeName, nTimeout); if (!ret) return FALSE; pipe = CreateFileW(lpNamedPipeName, 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); /* Currently SetNamedPipeHandleState() is a stub returning FALSE */ if (ret) FIXME("Now that SetNamedPipeHandleState() is more than a stub, please update CallNamedPipeW\n"); /* if (!ret) { CloseHandle(pipe); return FALSE; }*/ ret = TransactNamedPipe(pipe, lpInput, lpInputSize, lpOutput, lpOutputSize, lpBytesRead, NULL); CloseHandle(pipe); if (!ret) return FALSE; return TRUE; } /****************************************************************** * CreatePipe (KERNEL32.@) * */ BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe, LPSECURITY_ATTRIBUTES sa, DWORD size ) { static unsigned index /* = 0 */; WCHAR name[64]; HANDLE hr, hw; unsigned in_index = index; UNICODE_STRING nt_name; OBJECT_ATTRIBUTES attr; NTSTATUS status; IO_STATUS_BLOCK iosb; LARGE_INTEGER timeout; *hReadPipe = *hWritePipe = INVALID_HANDLE_VALUE; attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.ObjectName = &nt_name; attr.Attributes = OBJ_CASE_INSENSITIVE | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0); attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL; attr.SecurityQualityOfService = NULL; timeout.QuadPart = (ULONGLONG)NMPWAIT_USE_DEFAULT_WAIT * -10000; /* generate a unique pipe name (system wide) */ do { static const WCHAR nameFmt[] = { '\\','?','?','\\','p','i','p','e', '\\','W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l', 'u','.','%','0','8','u','\0' }; snprintfW(name, sizeof(name) / sizeof(name[0]), nameFmt, GetCurrentProcessId(), ++index); RtlInitUnicodeString(&nt_name, name); status = NtCreateNamedPipeFile(&hr, GENERIC_READ | SYNCHRONIZE, &attr, &iosb, FILE_SHARE_WRITE, FILE_OVERWRITE_IF, FILE_SYNCHRONOUS_IO_NONALERT, FALSE, FALSE, FALSE, 1, size, size, &timeout); if (status) { SetLastError( RtlNtStatusToDosError(status) ); hr = INVALID_HANDLE_VALUE; } } while (hr == INVALID_HANDLE_VALUE && index != in_index); /* from completion sakeness, I think system resources might be exhausted before this happens !! */ if (hr == INVALID_HANDLE_VALUE) return FALSE; status = NtOpenFile(&hw, GENERIC_WRITE | SYNCHRONIZE, &attr, &iosb, 0, FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE); if (status) { SetLastError( RtlNtStatusToDosError(status) ); NtClose(hr); return FALSE; } *hReadPipe = hr; *hWritePipe = hw; return TRUE; } /****************************************************************************** * CreateMailslotA [KERNEL32.@] * * See CreateMailslotW. */ HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize, DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa ) { DWORD len; HANDLE handle; LPWSTR name = NULL; TRACE("%s %d %d %p\n", debugstr_a(lpName), nMaxMessageSize, lReadTimeout, sa); if( lpName ) { len = MultiByteToWideChar( CP_ACP, 0, lpName, -1, NULL, 0 ); name = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) ); MultiByteToWideChar( CP_ACP, 0, lpName, -1, name, len ); } handle = CreateMailslotW( name, nMaxMessageSize, lReadTimeout, sa ); HeapFree( GetProcessHeap(), 0, name ); return handle; } /****************************************************************************** * CreateMailslotW [KERNEL32.@] * * Create a mailslot with specified name. * * PARAMS * lpName [I] Pointer to string for mailslot name * nMaxMessageSize [I] Maximum message size * lReadTimeout [I] Milliseconds before read time-out * sa [I] Pointer to security structure * * RETURNS * Success: Handle to mailslot * Failure: INVALID_HANDLE_VALUE */ HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize, DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa ) { HANDLE handle = INVALID_HANDLE_VALUE; OBJECT_ATTRIBUTES attr; UNICODE_STRING nameW; LARGE_INTEGER timeout; IO_STATUS_BLOCK iosb; NTSTATUS status; TRACE("%s %d %d %p\n", debugstr_w(lpName), nMaxMessageSize, lReadTimeout, sa); if (!RtlDosPathNameToNtPathName_U( lpName, &nameW, NULL, NULL )) { SetLastError( ERROR_PATH_NOT_FOUND ); return INVALID_HANDLE_VALUE; } if (nameW.Length >= MAX_PATH * sizeof(WCHAR) ) { SetLastError( ERROR_FILENAME_EXCED_RANGE ); RtlFreeUnicodeString( &nameW ); return INVALID_HANDLE_VALUE; } attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.Attributes = OBJ_CASE_INSENSITIVE; attr.ObjectName = &nameW; attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL; attr.SecurityQualityOfService = NULL; if (lReadTimeout != MAILSLOT_WAIT_FOREVER) timeout.QuadPart = (ULONGLONG) lReadTimeout * -10000; else timeout.QuadPart = ((LONGLONG)0x7fffffff << 32) | 0xffffffff; status = NtCreateMailslotFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr, &iosb, 0, 0, nMaxMessageSize, &timeout ); if (status) { SetLastError( RtlNtStatusToDosError(status) ); handle = INVALID_HANDLE_VALUE; } RtlFreeUnicodeString( &nameW ); return handle; } /****************************************************************************** * GetMailslotInfo [KERNEL32.@] * * Retrieve information about a mailslot. * * PARAMS * hMailslot [I] Mailslot handle * lpMaxMessageSize [O] Address of maximum message size * lpNextSize [O] Address of size of next message * lpMessageCount [O] Address of number of messages * lpReadTimeout [O] Address of read time-out * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize, LPDWORD lpNextSize, LPDWORD lpMessageCount, LPDWORD lpReadTimeout ) { FILE_MAILSLOT_QUERY_INFORMATION info; IO_STATUS_BLOCK iosb; NTSTATUS status; TRACE("%p %p %p %p %p\n",hMailslot, lpMaxMessageSize, lpNextSize, lpMessageCount, lpReadTimeout); status = NtQueryInformationFile( hMailslot, &iosb, &info, sizeof info, FileMailslotQueryInformation ); if( status != STATUS_SUCCESS ) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } if( lpMaxMessageSize ) *lpMaxMessageSize = info.MaximumMessageSize; if( lpNextSize ) *lpNextSize = info.NextMessageSize; if( lpMessageCount ) *lpMessageCount = info.MessagesAvailable; if( lpReadTimeout ) { if (info.ReadTimeout.QuadPart == (((LONGLONG)0x7fffffff << 32) | 0xffffffff)) *lpReadTimeout = MAILSLOT_WAIT_FOREVER; else *lpReadTimeout = info.ReadTimeout.QuadPart / -10000; } return TRUE; } /****************************************************************************** * SetMailslotInfo [KERNEL32.@] * * Set the read timeout of a mailslot. * * PARAMS * hMailslot [I] Mailslot handle * dwReadTimeout [I] Timeout in milliseconds. * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI SetMailslotInfo( HANDLE hMailslot, DWORD dwReadTimeout) { FILE_MAILSLOT_SET_INFORMATION info; IO_STATUS_BLOCK iosb; NTSTATUS status; TRACE("%p %d\n", hMailslot, dwReadTimeout); if (dwReadTimeout != MAILSLOT_WAIT_FOREVER) info.ReadTimeout.QuadPart = (ULONGLONG)dwReadTimeout * -10000; else info.ReadTimeout.QuadPart = ((LONGLONG)0x7fffffff << 32) | 0xffffffff; status = NtSetInformationFile( hMailslot, &iosb, &info, sizeof info, FileMailslotSetInformation ); if( status != STATUS_SUCCESS ) { SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } return TRUE; } /****************************************************************************** * CreateIoCompletionPort (KERNEL32.@) */ HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle, HANDLE hExistingCompletionPort, ULONG_PTR CompletionKey, DWORD dwNumberOfConcurrentThreads) { NTSTATUS status; HANDLE ret = 0; TRACE("(%p, %p, %08lx, %08x)\n", hFileHandle, hExistingCompletionPort, CompletionKey, dwNumberOfConcurrentThreads); if (hExistingCompletionPort && hFileHandle == INVALID_HANDLE_VALUE) { SetLastError( ERROR_INVALID_PARAMETER); return NULL; } if (hExistingCompletionPort) ret = hExistingCompletionPort; else { status = NtCreateIoCompletion( &ret, IO_COMPLETION_ALL_ACCESS, NULL, dwNumberOfConcurrentThreads ); if (status != STATUS_SUCCESS) goto fail; } if (hFileHandle != INVALID_HANDLE_VALUE) { FILE_COMPLETION_INFORMATION info; IO_STATUS_BLOCK iosb; info.CompletionPort = ret; info.CompletionKey = CompletionKey; status = NtSetInformationFile( hFileHandle, &iosb, &info, sizeof(info), FileCompletionInformation ); if (status != STATUS_SUCCESS) goto fail; } return ret; fail: if (ret && !hExistingCompletionPort) CloseHandle( ret ); SetLastError( RtlNtStatusToDosError(status) ); return 0; } /****************************************************************************** * GetQueuedCompletionStatus (KERNEL32.@) */ BOOL WINAPI GetQueuedCompletionStatus( HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred, PULONG_PTR pCompletionKey, LPOVERLAPPED *lpOverlapped, DWORD dwMilliseconds ) { NTSTATUS status; IO_STATUS_BLOCK iosb; LARGE_INTEGER wait_time; TRACE("(%p,%p,%p,%p,%d)\n", CompletionPort,lpNumberOfBytesTransferred,pCompletionKey,lpOverlapped,dwMilliseconds); *lpOverlapped = NULL; status = NtRemoveIoCompletion( CompletionPort, pCompletionKey, (PULONG_PTR)lpOverlapped, &iosb, get_nt_timeout( &wait_time, dwMilliseconds ) ); if (status == STATUS_SUCCESS) { *lpNumberOfBytesTransferred = 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; } /****************************************************************************** * PostQueuedCompletionStatus (KERNEL32.@) */ BOOL WINAPI PostQueuedCompletionStatus( HANDLE CompletionPort, DWORD dwNumberOfBytes, ULONG_PTR dwCompletionKey, LPOVERLAPPED lpOverlapped) { NTSTATUS status; TRACE("%p %d %08lx %p\n", CompletionPort, dwNumberOfBytes, dwCompletionKey, lpOverlapped ); status = NtSetIoCompletion( CompletionPort, dwCompletionKey, (ULONG_PTR)lpOverlapped, STATUS_SUCCESS, dwNumberOfBytes ); if (status == STATUS_SUCCESS) return TRUE; SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } /****************************************************************************** * BindIoCompletionCallback (KERNEL32.@) */ BOOL WINAPI BindIoCompletionCallback( HANDLE FileHandle, LPOVERLAPPED_COMPLETION_ROUTINE Function, ULONG Flags) { NTSTATUS status; TRACE("(%p, %p, %d)\n", FileHandle, Function, Flags); status = RtlSetIoCompletionCallback( FileHandle, (PRTL_OVERLAPPED_COMPLETION_ROUTINE)Function, Flags ); if (status == STATUS_SUCCESS) return TRUE; SetLastError( RtlNtStatusToDosError(status) ); return FALSE; } /*********************************************************************** * CreateMemoryResourceNotification (KERNEL32.@) */ HANDLE WINAPI CreateMemoryResourceNotification(MEMORY_RESOURCE_NOTIFICATION_TYPE nt) { FIXME("(%d) stub\n", nt); SetLastError(ERROR_CALL_NOT_IMPLEMENTED); return NULL; } /*********************************************************************** * QueryMemoryResourceNotification (KERNEL32.@) */ BOOL WINAPI QueryMemoryResourceNotification(HANDLE rnh, PBOOL rs) { FIXME("(%p, %p) stub\n", rnh, rs); SetLastError(ERROR_CALL_NOT_IMPLEMENTED); return 0; } #ifdef __i386__ /*********************************************************************** * InterlockedCompareExchange (KERNEL32.@) */ /* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */ __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 (KERNEL32.@) */ /* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */ __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 (KERNEL32.@) */ /* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */ __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 (KERNEL32.@) */ /* LONG WINAPI InterlockedIncrement( PLONG dest ); */ __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 (KERNEL32.@) */ __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__ */