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