| /* |
| * Kernel synchronization objects |
| * |
| * Copyright 1998 Alexandre Julliard |
| */ |
| |
| #include <string.h> |
| #include "winerror.h" |
| #include "winnls.h" |
| #include "wine/unicode.h" |
| #include "syslevel.h" |
| #include "server.h" |
| #include "debugtools.h" |
| |
| DEFAULT_DEBUG_CHANNEL(win32); |
| |
| /* |
| * Events |
| */ |
| |
| |
| /*********************************************************************** |
| * CreateEventA (KERNEL32.156) |
| */ |
| HANDLE WINAPI CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset, |
| BOOL initial_state, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct create_event_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->manual_reset = manual_reset; |
| req->initial_state = initial_state; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| SetLastError(0); |
| server_call( REQ_CREATE_EVENT ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateEventW (KERNEL32.157) |
| */ |
| HANDLE WINAPI CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset, |
| BOOL initial_state, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct create_event_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->manual_reset = manual_reset; |
| req->initial_state = initial_state; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| SetLastError(0); |
| server_call( REQ_CREATE_EVENT ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * WIN16_CreateEvent (KERNEL.457) |
| */ |
| HANDLE WINAPI WIN16_CreateEvent( BOOL manual_reset, BOOL initial_state ) |
| { |
| return CreateEventA( NULL, manual_reset, initial_state, NULL ); |
| } |
| |
| |
| /*********************************************************************** |
| * OpenEventA (KERNEL32.536) |
| */ |
| HANDLE WINAPI OpenEventA( DWORD access, BOOL inherit, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct open_event_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->access = access; |
| req->inherit = inherit; |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| server_call( REQ_OPEN_EVENT ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * OpenEventW (KERNEL32.537) |
| */ |
| HANDLE WINAPI OpenEventW( DWORD access, BOOL inherit, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct open_event_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->access = access; |
| req->inherit = inherit; |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| server_call( REQ_OPEN_EVENT ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * EVENT_Operation |
| * |
| * Execute an event operation (set,reset,pulse). |
| */ |
| static BOOL EVENT_Operation( HANDLE handle, enum event_op op ) |
| { |
| BOOL ret; |
| SERVER_START_REQ |
| { |
| struct event_op_request *req = server_alloc_req( sizeof(*req), 0 ); |
| req->handle = handle; |
| req->op = op; |
| ret = !server_call( REQ_EVENT_OP ); |
| } |
| SERVER_END_REQ; |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * PulseEvent (KERNEL32.557) |
| */ |
| BOOL WINAPI PulseEvent( HANDLE handle ) |
| { |
| return EVENT_Operation( handle, PULSE_EVENT ); |
| } |
| |
| |
| /*********************************************************************** |
| * SetEvent (KERNEL32.644) |
| */ |
| BOOL WINAPI SetEvent( HANDLE handle ) |
| { |
| return EVENT_Operation( handle, SET_EVENT ); |
| } |
| |
| |
| /*********************************************************************** |
| * ResetEvent (KERNEL32.586) |
| */ |
| BOOL WINAPI ResetEvent( HANDLE handle ) |
| { |
| return EVENT_Operation( handle, RESET_EVENT ); |
| } |
| |
| |
| /*********************************************************************** |
| * NOTE: The Win95 VWin32_Event routines given below are really low-level |
| * routines implemented directly by VWin32. The user-mode libraries |
| * implement Win32 synchronisation routines on top of these low-level |
| * primitives. We do it the other way around here :-) |
| */ |
| |
| /*********************************************************************** |
| * VWin32_EventCreate (KERNEL.442) |
| */ |
| HANDLE WINAPI VWin32_EventCreate(VOID) |
| { |
| HANDLE hEvent = CreateEventA( NULL, FALSE, 0, NULL ); |
| return ConvertToGlobalHandle( hEvent ); |
| } |
| |
| /*********************************************************************** |
| * VWin32_EventDestroy (KERNEL.443) |
| */ |
| VOID WINAPI VWin32_EventDestroy(HANDLE event) |
| { |
| CloseHandle( event ); |
| } |
| |
| /*********************************************************************** |
| * VWin32_EventWait (KERNEL.450) |
| */ |
| VOID WINAPI VWin32_EventWait(HANDLE event) |
| { |
| SYSLEVEL_ReleaseWin16Lock(); |
| WaitForSingleObject( event, INFINITE ); |
| SYSLEVEL_RestoreWin16Lock(); |
| } |
| |
| /*********************************************************************** |
| * VWin32_EventSet (KERNEL.451) |
| */ |
| VOID WINAPI VWin32_EventSet(HANDLE event) |
| { |
| SetEvent( event ); |
| } |
| |
| |
| |
| /*********************************************************************** |
| * CreateMutexA (KERNEL32.166) |
| */ |
| HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct create_mutex_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->owned = owner; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| SetLastError(0); |
| server_call( REQ_CREATE_MUTEX ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateMutexW (KERNEL32.167) |
| */ |
| HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct create_mutex_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->owned = owner; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| SetLastError(0); |
| server_call( REQ_CREATE_MUTEX ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /* |
| * Mutexes |
| */ |
| |
| |
| /*********************************************************************** |
| * OpenMutexA (KERNEL32.541) |
| */ |
| HANDLE WINAPI OpenMutexA( DWORD access, BOOL inherit, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct open_mutex_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->access = access; |
| req->inherit = inherit; |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| server_call( REQ_OPEN_MUTEX ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * OpenMutexW (KERNEL32.542) |
| */ |
| HANDLE WINAPI OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct open_mutex_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| |
| req->access = access; |
| req->inherit = inherit; |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| server_call( REQ_OPEN_MUTEX ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * ReleaseMutex (KERNEL32.582) |
| */ |
| BOOL WINAPI ReleaseMutex( HANDLE handle ) |
| { |
| BOOL ret; |
| SERVER_START_REQ |
| { |
| struct release_mutex_request *req = server_alloc_req( sizeof(*req), 0 ); |
| req->handle = handle; |
| ret = !server_call( REQ_RELEASE_MUTEX ); |
| } |
| SERVER_END_REQ; |
| return ret; |
| } |
| |
| |
| /* |
| * Semaphores |
| */ |
| |
| |
| /*********************************************************************** |
| * CreateSemaphoreA (KERNEL32.174) |
| */ |
| HANDLE WINAPI CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| |
| /* Check parameters */ |
| |
| if ((max <= 0) || (initial < 0) || (initial > max)) |
| { |
| SetLastError( ERROR_INVALID_PARAMETER ); |
| return 0; |
| } |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| |
| SERVER_START_REQ |
| { |
| struct create_semaphore_request *req = server_alloc_req( sizeof(*req), |
| len * sizeof(WCHAR) ); |
| |
| req->initial = (unsigned int)initial; |
| req->max = (unsigned int)max; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| SetLastError(0); |
| server_call( REQ_CREATE_SEMAPHORE ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateSemaphoreW (KERNEL32.175) |
| */ |
| HANDLE WINAPI CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial, |
| LONG max, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| |
| /* Check parameters */ |
| |
| if ((max <= 0) || (initial < 0) || (initial > max)) |
| { |
| SetLastError( ERROR_INVALID_PARAMETER ); |
| return 0; |
| } |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| |
| SERVER_START_REQ |
| { |
| struct create_semaphore_request *req = server_alloc_req( sizeof(*req), |
| len * sizeof(WCHAR) ); |
| |
| req->initial = (unsigned int)initial; |
| req->max = (unsigned int)max; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| SetLastError(0); |
| server_call( REQ_CREATE_SEMAPHORE ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * OpenSemaphoreA (KERNEL32.545) |
| */ |
| HANDLE WINAPI OpenSemaphoreA( DWORD access, BOOL inherit, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct open_semaphore_request *req = server_alloc_req( sizeof(*req), |
| len * sizeof(WCHAR) ); |
| req->access = access; |
| req->inherit = inherit; |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| server_call( REQ_OPEN_SEMAPHORE ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * OpenSemaphoreW (KERNEL32.546) |
| */ |
| HANDLE WINAPI OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_REQ |
| { |
| struct open_semaphore_request *req = server_alloc_req( sizeof(*req), len * sizeof(WCHAR) ); |
| req->access = access; |
| req->inherit = inherit; |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| server_call( REQ_OPEN_SEMAPHORE ); |
| ret = req->handle; |
| } |
| SERVER_END_REQ; |
| if (ret == -1) ret = 0; /* must return 0 on failure, not -1 */ |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * ReleaseSemaphore (KERNEL32.583) |
| */ |
| BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous ) |
| { |
| NTSTATUS status = NtReleaseSemaphore( handle, count, previous ); |
| if (status) SetLastError( RtlNtStatusToDosError(status) ); |
| return !status; |
| } |
| |
| |
| /* |
| * Pipes |
| */ |
| |
| |
| /*********************************************************************** |
| * CreateNamedPipeA (KERNEL32.168) |
| */ |
| HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode, |
| DWORD dwPipeMode, DWORD nMaxInstances, |
| DWORD nOutBufferSize, DWORD nInBufferSize, |
| DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr ) |
| { |
| FIXME("(Name=%s, OpenMode=%#08lx, dwPipeMode=%#08lx, MaxInst=%ld, OutBSize=%ld, InBuffSize=%ld, DefTimeOut=%ld, SecAttr=%p): stub\n", |
| debugstr_a(name), dwOpenMode, dwPipeMode, nMaxInstances, |
| nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr ); |
| SetLastError (ERROR_UNKNOWN); |
| return INVALID_HANDLE_VALUE; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateNamedPipeW (KERNEL32.169) |
| */ |
| HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode, |
| DWORD dwPipeMode, DWORD nMaxInstances, |
| DWORD nOutBufferSize, DWORD nInBufferSize, |
| DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr ) |
| { |
| FIXME("(Name=%s, OpenMode=%#08lx, dwPipeMode=%#08lx, MaxInst=%ld, OutBSize=%ld, InBuffSize=%ld, DefTimeOut=%ld, SecAttr=%p): stub\n", |
| debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances, |
| nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr ); |
| |
| SetLastError (ERROR_UNKNOWN); |
| return INVALID_HANDLE_VALUE; |
| } |
| |
| |
| /*********************************************************************** |
| * PeekNamedPipe (KERNEL32.552) |
| */ |
| BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer, |
| LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage ) |
| { |
| FIXME("(%08x, %p, %08lx, %p, %p, %p): stub\n", |
| hPipe, lpvBuffer, cbBuffer, lpcbRead, lpcbAvail, lpcbMessage); |
| SetLastError(ERROR_CALL_NOT_IMPLEMENTED); |
| return FALSE; |
| } |
| |
| |
| /*********************************************************************** |
| * WaitNamedPipeA (KERNEL32.@) |
| */ |
| BOOL WINAPI WaitNamedPipeA (LPCSTR lpNamedPipeName, DWORD nTimeOut) |
| { |
| FIXME("%s 0x%08lx\n",lpNamedPipeName,nTimeOut); |
| SetLastError(ERROR_PIPE_NOT_CONNECTED); |
| return FALSE; |
| } |
| |
| |
| /*********************************************************************** |
| * WaitNamedPipeW (KERNEL32.@) |
| */ |
| BOOL WINAPI WaitNamedPipeW (LPCWSTR lpNamedPipeName, DWORD nTimeOut) |
| { |
| FIXME("%s 0x%08lx\n",debugstr_w(lpNamedPipeName),nTimeOut); |
| SetLastError(ERROR_PIPE_NOT_CONNECTED); |
| return FALSE; |
| } |
