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e37c6e18d0
wine/dlls/kernel/sync.c
Alexandre Julliard e37c6e18d0 Fixed header dependencies to be fully compatible with the Windows 
headers (with help from Dimitrie O. Paun).
2003-09-05 23:08:26 +00:00

1278 lines
36 KiB
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/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <errno.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include "ntstatus.h"
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winnls.h"
#include "wine/server.h"
#include "wine/unicode.h"
#include "file.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win32);
/* check if current version is NT or Win95 */
inline static int is_version_nt(void)
{
return !(GetVersion() & 0x80000000);
}
/***********************************************************************
* InitializeCriticalSection (KERNEL32.@)
*/
void WINAPI InitializeCriticalSection( CRITICAL_SECTION *crit )
{
NTSTATUS ret = RtlInitializeCriticalSection( crit );
if (ret) RtlRaiseStatus( ret );
}
/***********************************************************************
* InitializeCriticalSectionAndSpinCount (KERNEL32.@)
*/
BOOL WINAPI InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
{
NTSTATUS ret = RtlInitializeCriticalSectionAndSpinCount( crit, spincount );
if (ret) RtlRaiseStatus( ret );
return !ret;
}
/***********************************************************************
* SetCriticalSectionSpinCount (KERNEL32.@)
* This function is available on NT4SP3 or later, but not Win98
* It is SMP related
*/
DWORD WINAPI SetCriticalSectionSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
{
ULONG_PTR oldspincount = crit->SpinCount;
if(spincount) FIXME("critsection=%p: spincount=%ld not supported\n", crit, spincount);
crit->SpinCount = spincount;
return oldspincount;
}
/***********************************************************************
* 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 );
if (crit->DebugInfo)
{
RtlFreeHeap( GetProcessHeap(), 0, crit->DebugInfo );
crit->DebugInfo = NULL;
}
}
/***********************************************************************
* ReinitializeCriticalSection (KERNEL32.@)
*/
void WINAPI ReinitializeCriticalSection( CRITICAL_SECTION *crit )
{
if ( !crit->LockSemaphore )
RtlInitializeCriticalSection( crit );
}
/***********************************************************************
* UninitializeCriticalSection (KERNEL32.@)
*/
void WINAPI UninitializeCriticalSection( CRITICAL_SECTION *crit )
{
RtlDeleteCriticalSection( crit );
}
/***********************************************************************
* CreateEventA (KERNEL32.@)
*/
HANDLE WINAPI CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
BOOL initial_state, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateEventW( sa, manual_reset, initial_state, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateEventW( sa, manual_reset, initial_state, buffer );
}
/***********************************************************************
* CreateEventW (KERNEL32.@)
*/
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( create_event )
{
req->manual_reset = manual_reset;
req->initial_state = initial_state;
req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
wine_server_add_data( req, name, len * sizeof(WCHAR) );
SetLastError(0);
wine_server_call_err( req );
ret = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* CreateW32Event (KERNEL.457)
*/
HANDLE WINAPI WIN16_CreateEvent( BOOL manual_reset, BOOL initial_state )
{
return CreateEventA( NULL, manual_reset, initial_state, NULL );
}
/***********************************************************************
* 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;
DWORD len = name ? strlenW(name) : 0;
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
if (!is_version_nt()) access = EVENT_ALL_ACCESS;
SERVER_START_REQ( open_event )
{
req->access = access;
req->inherit = inherit;
wine_server_add_data( req, name, len * sizeof(WCHAR) );
wine_server_call_err( req );
ret = reply->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( event_op )
{
req->handle = handle;
req->op = op;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* PulseEvent (KERNEL32.@)
*/
BOOL WINAPI PulseEvent( HANDLE handle )
{
return EVENT_Operation( handle, PULSE_EVENT );
}
/***********************************************************************
* SetW32Event (KERNEL.458)
* SetEvent (KERNEL32.@)
*/
BOOL WINAPI SetEvent( HANDLE handle )
{
return EVENT_Operation( handle, SET_EVENT );
}
/***********************************************************************
* ResetW32Event (KERNEL.459)
* ResetEvent (KERNEL32.@)
*/
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.451)
* KERNEL_479 (KERNEL.479)
*/
VOID WINAPI VWin32_EventSet(HANDLE event)
{
SetEvent( event );
}
/***********************************************************************
* CreateMutexA (KERNEL32.@)
*/
HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateMutexW( sa, owner, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateMutexW( sa, owner, buffer );
}
/***********************************************************************
* CreateMutexW (KERNEL32.@)
*/
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( create_mutex )
{
req->owned = owner;
req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
wine_server_add_data( req, name, len * sizeof(WCHAR) );
SetLastError(0);
wine_server_call_err( req );
ret = reply->handle;
}
SERVER_END_REQ;
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;
DWORD len = name ? strlenW(name) : 0;
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
SERVER_START_REQ( open_mutex )
{
req->access = access;
req->inherit = inherit;
wine_server_add_data( req, name, len * sizeof(WCHAR) );
wine_server_call_err( req );
ret = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* ReleaseMutex (KERNEL32.@)
*/
BOOL WINAPI ReleaseMutex( HANDLE handle )
{
BOOL ret;
SERVER_START_REQ( release_mutex )
{
req->handle = handle;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/*
* Semaphores
*/
/***********************************************************************
* CreateSemaphoreA (KERNEL32.@)
*/
HANDLE WINAPI CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateSemaphoreW( sa, initial, max, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateSemaphoreW( sa, initial, max, buffer );
}
/***********************************************************************
* CreateSemaphoreW (KERNEL32.@)
*/
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( create_semaphore )
{
req->initial = (unsigned int)initial;
req->max = (unsigned int)max;
req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
wine_server_add_data( req, name, len * sizeof(WCHAR) );
SetLastError(0);
wine_server_call_err( req );
ret = reply->handle;
}
SERVER_END_REQ;
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;
DWORD len = name ? strlenW(name) : 0;
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
SERVER_START_REQ( open_semaphore )
{
req->access = access;
req->inherit = inherit;
wine_server_add_data( req, name, len * sizeof(WCHAR) );
wine_server_call_err( req );
ret = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* ReleaseSemaphore (KERNEL32.@)
*/
BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
{
NTSTATUS status = NtReleaseSemaphore( handle, count, previous );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/*
* Timers
*/
/***********************************************************************
* CreateWaitableTimerA (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateWaitableTimerW( sa, manual, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateWaitableTimerW( sa, manual, buffer );
}
/***********************************************************************
* CreateWaitableTimerW (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
{
HANDLE handle;
NTSTATUS status;
UNICODE_STRING us;
DWORD attr = 0;
OBJECT_ATTRIBUTES oa;
if (name) RtlInitUnicodeString(&us, name);
if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
attr |= OBJ_INHERIT;
InitializeObjectAttributes(&oa, name ? &us : NULL, attr,
NULL /* FIXME */, NULL /* FIXME */);
status = NtCreateTimer(&handle, TIMER_ALL_ACCESS, &oa,
manual ? NotificationTimer : SynchronizationTimer);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
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 )
{
NTSTATUS status;
ULONG attr = 0;
UNICODE_STRING us;
HANDLE handle;
OBJECT_ATTRIBUTES oa;
if (inherit) attr |= OBJ_INHERIT;
if (name) RtlInitUnicodeString(&us, name);
InitializeObjectAttributes(&oa, name ? &us : NULL, attr, NULL /* FIXME */, NULL /* FIXME */);
status = NtOpenTimer(&handle, access, &oa);
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, 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)
{
FIXME("stub\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return NULL;
}
/***********************************************************************
* DeleteTimerQueueEx (KERNEL32.@)
*/
BOOL WINAPI DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
{
FIXME("(%p, %p): stub\n", TimerQueue, CompletionEvent);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return 0;
}
/***********************************************************************
* 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 faillure
*
* BUGS
* Unimplemented
*/
BOOL WINAPI CreateTimerQueueTimer( PHANDLE phNewTimer, HANDLE TimerQueue,
WAITORTIMERCALLBACK Callback, PVOID Parameter,
DWORD DueTime, DWORD Period, ULONG Flags )
{
FIXME("stub\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return TRUE;
}
/***********************************************************************
* DeleteTimerQueueTimer (KERNEL32.@)
*
* Cancels a timer-queue timer.
*
* RETURNS
* nonzero on success or zero on faillure
*
* BUGS
* Unimplemented
*/
BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
HANDLE CompletionEvent )
{
FIXME("stub\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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 attr )
{
HANDLE ret;
DWORD len;
static const WCHAR leadin[] = {'\\','\\','.','\\','P','I','P','E','\\'};
TRACE("(%s, %#08lx, %#08lx, %ld, %ld, %ld, %ld, %p)\n",
debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances,
nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
if (!name)
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
len = strlenW(name);
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return INVALID_HANDLE_VALUE;
}
if (strncmpiW(name, leadin, sizeof(leadin)/sizeof(leadin[0])))
{
SetLastError( ERROR_INVALID_NAME );
return INVALID_HANDLE_VALUE;
}
SERVER_START_REQ( create_named_pipe )
{
req->openmode = dwOpenMode;
req->pipemode = dwPipeMode;
req->maxinstances = nMaxInstances;
req->outsize = nOutBufferSize;
req->insize = nInBufferSize;
req->timeout = nDefaultTimeOut;
wine_server_add_data( req, name, len * sizeof(WCHAR) );
SetLastError(0);
if (!wine_server_call_err( req )) ret = reply->handle;
else ret = INVALID_HANDLE_VALUE;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* PeekNamedPipe (KERNEL32.@)
*/
BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
{
#ifdef FIONREAD
int avail=0,fd;
fd = FILE_GetUnixHandle(hPipe, GENERIC_READ);
if (fd == -1) return FALSE;
if (ioctl(fd,FIONREAD, &avail ) != 0)
{
TRACE("FIONREAD failed reason: %s\n",strerror(errno));
close(fd);
return FALSE;
}
if (!avail) /* check for closed pipe */
{
struct pollfd pollfd;
pollfd.fd = fd;
pollfd.events = POLLIN;
pollfd.revents = 0;
switch (poll( &pollfd, 1, 0 ))
{
case 0:
break;
case 1: /* got something */
if (!(pollfd.revents & (POLLHUP | POLLERR))) break;
TRACE("POLLHUP | POLLERR\n");
/* fall through */
case -1:
close(fd);
SetLastError(ERROR_BROKEN_PIPE);
return FALSE;
}
}
close(fd);
TRACE(" 0x%08x bytes available\n", avail );
if (!lpvBuffer && lpcbAvail)
{
*lpcbAvail= avail;
return TRUE;
}
#endif /* defined(FIONREAD) */
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
FIXME("function not implemented\n");
return FALSE;
}
/***********************************************************************
* SYNC_CompletePipeOverlapped (Internal)
*/
static void SYNC_CompletePipeOverlapped (LPOVERLAPPED overlapped, DWORD result)
{
TRACE("for %p result %08lx\n",overlapped,result);
if(!overlapped)
return;
overlapped->Internal = result;
SetEvent(overlapped->hEvent);
}
/***********************************************************************
* 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.@)
*/
BOOL WINAPI WaitNamedPipeW (LPCWSTR name, DWORD nTimeOut)
{
DWORD len = name ? strlenW(name) : 0;
BOOL ret;
OVERLAPPED ov;
if (len >= MAX_PATH)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return FALSE;
}
TRACE("%s 0x%08lx\n",debugstr_w(name),nTimeOut);
memset(&ov,0,sizeof(ov));
ov.hEvent = CreateEventA( NULL, 0, 0, NULL );
if (!ov.hEvent)
return FALSE;
SERVER_START_REQ( wait_named_pipe )
{
req->timeout = nTimeOut;
req->overlapped = &ov;
req->func = SYNC_CompletePipeOverlapped;
wine_server_add_data( req, name, len * sizeof(WCHAR) );
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
if(ret)
{
if (WAIT_OBJECT_0==WaitForSingleObject(ov.hEvent,INFINITE))
{
SetLastError(ov.Internal);
ret = (ov.Internal==STATUS_SUCCESS);
}
}
CloseHandle(ov.hEvent);
return ret;
}
/***********************************************************************
* SYNC_ConnectNamedPipe (Internal)
*/
static BOOL SYNC_ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
{
BOOL ret;
if(!overlapped)
return FALSE;
overlapped->Internal = STATUS_PENDING;
SERVER_START_REQ( connect_named_pipe )
{
req->handle = hPipe;
req->overlapped = overlapped;
req->func = SYNC_CompletePipeOverlapped;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* ConnectNamedPipe (KERNEL32.@)
*/
BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
{
OVERLAPPED ov;
BOOL ret;
TRACE("(%p,%p)\n",hPipe, overlapped);
if(overlapped)
{
if(SYNC_ConnectNamedPipe(hPipe,overlapped))
SetLastError( ERROR_IO_PENDING );
return FALSE;
}
memset(&ov,0,sizeof(ov));
ov.hEvent = CreateEventA(NULL,0,0,NULL);
if (!ov.hEvent)
return FALSE;
ret=SYNC_ConnectNamedPipe(hPipe, &ov);
if(ret)
{
if (WAIT_OBJECT_0==WaitForSingleObject(ov.hEvent,INFINITE))
{
SetLastError(ov.Internal);
ret = (ov.Internal==STATUS_SUCCESS);
}
}
CloseHandle(ov.hEvent);
return ret;
}
/***********************************************************************
* DisconnectNamedPipe (KERNEL32.@)
*/
BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe)
{
BOOL ret;
TRACE("(%p)\n",hPipe);
SERVER_START_REQ( disconnect_named_pipe )
{
req->handle = hPipe;
ret = !wine_server_call_err( req );
if (ret && reply->fd != -1) close( reply->fd );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* TransactNamedPipe (KERNEL32.@)
*/
BOOL WINAPI TransactNamedPipe(
HANDLE hPipe, LPVOID lpInput, DWORD dwInputSize, LPVOID lpOutput,
DWORD dwOutputSize, LPDWORD lpBytesRead, LPOVERLAPPED lpOverlapped)
{
FIXME("%p %p %ld %p %ld %p %p\n",
hPipe, lpInput, dwInputSize, lpOutput,
dwOutputSize, lpBytesRead, lpOverlapped);
if(lpBytesRead)
*lpBytesRead=0;
return FALSE;
}
/***********************************************************************
* GetNamedPipeInfo (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeInfo(
HANDLE hNamedPipe, LPDWORD lpFlags, LPDWORD lpOutputBufferSize,
LPDWORD lpInputBufferSize, LPDWORD lpMaxInstances)
{
BOOL ret;
TRACE("%p %p %p %p %p\n", hNamedPipe, lpFlags,
lpOutputBufferSize, lpInputBufferSize, lpMaxInstances);
SERVER_START_REQ( get_named_pipe_info )
{
req->handle = hNamedPipe;
ret = !wine_server_call_err( req );
if(lpFlags) *lpFlags = reply->flags;
if(lpOutputBufferSize) *lpOutputBufferSize = reply->outsize;
if(lpInputBufferSize) *lpInputBufferSize = reply->outsize;
if(lpMaxInstances) *lpMaxInstances = reply->maxinstances;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* 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 %ld\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 %ld\n",
hNamedPipe, lpState, lpCurInstances,
lpMaxCollectionCount, lpCollectDataTimeout,
lpUsername, nUsernameMaxSize);
return FALSE;
}
/***********************************************************************
* SetNamedPipeHandleState (KERNEL32.@)
*/
BOOL WINAPI SetNamedPipeHandleState(
HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount,
LPDWORD lpCollectDataTimeout)
{
FIXME("%p %p %p %p\n",
hNamedPipe, lpMode, lpMaxCollectionCount, lpCollectDataTimeout);
return FALSE;
}
/***********************************************************************
* CallNamedPipeA (KERNEL32.@)
*/
BOOL WINAPI CallNamedPipeA(
LPCSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
LPVOID lpOutput, DWORD lpOutputSize,
LPDWORD lpBytesRead, DWORD nTimeout)
{
FIXME("%s %p %ld %p %ld %p %ld\n",
debugstr_a(lpNamedPipeName), lpInput, lpInputSize,
lpOutput, lpOutputSize, lpBytesRead, nTimeout);
return FALSE;
}
/***********************************************************************
* CallNamedPipeW (KERNEL32.@)
*/
BOOL WINAPI CallNamedPipeW(
LPCWSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
LPVOID lpOutput, DWORD lpOutputSize,
LPDWORD lpBytesRead, DWORD nTimeout)
{
FIXME("%s %p %ld %p %ld %p %ld\n",
debugstr_w(lpNamedPipeName), lpInput, lpInputSize,
lpOutput, lpOutputSize, lpBytesRead, nTimeout);
return FALSE;
}
/******************************************************************
* CreatePipe (KERNEL32.@)
*
*/
BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe,
LPSECURITY_ATTRIBUTES sa, DWORD size )
{
static unsigned index = 0;
char name[64];
HANDLE hr, hw;
unsigned in_index = index;
*hReadPipe = *hWritePipe = INVALID_HANDLE_VALUE;
/* generate a unique pipe name (system wide) */
do
{
sprintf(name, "\\\\.\\pipe\\Win32.Pipes.%08lu.%08u", GetCurrentProcessId(), ++index);
hr = CreateNamedPipeA(name, PIPE_ACCESS_INBOUND,
PIPE_TYPE_BYTE | PIPE_WAIT, 1, size, size,
NMPWAIT_USE_DEFAULT_WAIT, sa);
} 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;
hw = CreateFileA(name, GENERIC_WRITE, 0, sa, OPEN_EXISTING, 0, 0);
if (hw == INVALID_HANDLE_VALUE)
{
CloseHandle(hr);
return FALSE;
}
*hReadPipe = hr;
*hWritePipe = hw;
return TRUE;
}
#ifdef __i386__
/***********************************************************************
* InterlockedCompareExchange (KERNEL32.@)
*/
/* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
__ASM_GLOBAL_FUNC(InterlockedCompareExchange,
"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_GLOBAL_FUNC(InterlockedExchange,
"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_GLOBAL_FUNC(InterlockedExchangeAdd,
"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_GLOBAL_FUNC(InterlockedIncrement,
"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_GLOBAL_FUNC(InterlockedDecrement,
"movl 4(%esp),%edx\n\t"
"movl $-1,%eax\n\t"
"lock; xaddl %eax,(%edx)\n\t"
"decl %eax\n\t"
"ret $4");
#else /* __i386__ */
/***********************************************************************
* InterlockedCompareExchange (KERNEL32.@)
*/
LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare )
{
return interlocked_cmpxchg( dest, xchg, compare );
}
/***********************************************************************
* InterlockedExchange (KERNEL32.@)
*/
LONG WINAPI InterlockedExchange( PLONG dest, LONG val )
{
return interlocked_xchg( dest, val );
}
/***********************************************************************
* InterlockedExchangeAdd (KERNEL32.@)
*/
LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr )
{
return interlocked_xchg_add( dest, incr );
}
/***********************************************************************
* InterlockedIncrement (KERNEL32.@)
*/
LONG WINAPI InterlockedIncrement( PLONG dest )
{
return interlocked_xchg_add( dest, 1 ) + 1;
}
/***********************************************************************
* InterlockedDecrement (KERNEL32.@)
*/
LONG WINAPI InterlockedDecrement( PLONG dest )
{
return interlocked_xchg_add( dest, -1 ) - 1;
}
#endif /* __i386__ */
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