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Sweden-Number/dlls/kernel/sync.c

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/*
* Kernel synchronization objects
*
* Copyright 1998 Alexandre Julliard
*/
#include <string.h>
#include "winerror.h"
#include "winnls.h"
#include "wine/unicode.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;
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;
}
/* 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;
}
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;
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;
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;
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 (KERNEL.458)
* SetEvent (KERNEL32.644)
*/
BOOL WINAPI SetEvent( HANDLE handle )
{
return EVENT_Operation( handle, SET_EVENT );
}
/***********************************************************************
* ResetEvent (KERNEL.459)
* 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)
{
DWORD mutex_count;
ReleaseThunkLock( &mutex_count );
WaitForSingleObject( event, INFINITE );
RestoreThunkLock( mutex_count );
}
/***********************************************************************
* VWin32_EventSet (KERNEL.479)
*/
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;
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;
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;
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;
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;
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;
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;
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;
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 (KERNEL32.725)
*/
BOOL WINAPI WaitNamedPipeA (LPCSTR lpNamedPipeName, DWORD nTimeOut)
{
FIXME("%s 0x%08lx\n",lpNamedPipeName,nTimeOut);
SetLastError(ERROR_PIPE_NOT_CONNECTED);
return FALSE;
}
/***********************************************************************
* WaitNamedPipeW (KERNEL32.726)
*/
BOOL WINAPI WaitNamedPipeW (LPCWSTR lpNamedPipeName, DWORD nTimeOut)
{
FIXME("%s 0x%08lx\n",debugstr_w(lpNamedPipeName),nTimeOut);
SetLastError(ERROR_PIPE_NOT_CONNECTED);
return FALSE;
}
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