163 lines
4.6 KiB
C
163 lines
4.6 KiB
C
/*
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* Win32 process and thread synchronisation
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*
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* Copyright 1997 Alexandre Julliard
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*/
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#include <assert.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include "heap.h"
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#include "process.h"
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#include "thread.h"
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#include "winerror.h"
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#include "syslevel.h"
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#include "server.h"
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#include "debug.h"
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/***********************************************************************
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* Sleep (KERNEL32.679)
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*/
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VOID WINAPI Sleep( DWORD timeout )
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{
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WaitForMultipleObjectsEx( 0, NULL, FALSE, timeout, FALSE );
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}
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/******************************************************************************
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* SleepEx (KERNEL32.680)
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*/
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DWORD WINAPI SleepEx( DWORD timeout, BOOL alertable )
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{
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DWORD ret = WaitForMultipleObjectsEx( 0, NULL, FALSE, timeout, alertable );
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if (ret != WAIT_IO_COMPLETION) ret = 0;
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return ret;
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}
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/***********************************************************************
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* WaitForSingleObject (KERNEL32.723)
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*/
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DWORD WINAPI WaitForSingleObject( HANDLE handle, DWORD timeout )
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{
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return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE );
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}
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/***********************************************************************
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* WaitForSingleObjectEx (KERNEL32.724)
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*/
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DWORD WINAPI WaitForSingleObjectEx( HANDLE handle, DWORD timeout,
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BOOL alertable )
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{
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return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable );
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}
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/***********************************************************************
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* WaitForMultipleObjects (KERNEL32.721)
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*/
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DWORD WINAPI WaitForMultipleObjects( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout )
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{
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return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
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}
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/***********************************************************************
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* WaitForMultipleObjectsEx (KERNEL32.722)
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*/
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DWORD WINAPI WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout,
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BOOL alertable )
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{
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struct select_request req;
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struct select_reply reply;
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int server_handle[MAXIMUM_WAIT_OBJECTS];
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void *apc[32];
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int i, len;
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if (count > MAXIMUM_WAIT_OBJECTS)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return WAIT_FAILED;
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}
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for (i = 0; i < count; i++) server_handle[i] = handles[i];
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req.count = count;
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req.flags = 0;
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req.timeout = timeout;
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if (wait_all) req.flags |= SELECT_ALL;
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if (alertable) req.flags |= SELECT_ALERTABLE;
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if (timeout != INFINITE) req.flags |= SELECT_TIMEOUT;
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CLIENT_SendRequest( REQ_SELECT, -1, 2,
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&req, sizeof(req),
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server_handle, count * sizeof(int) );
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CLIENT_WaitReply( &len, NULL, 2, &reply, sizeof(reply),
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apc, sizeof(apc) );
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if ((reply.signaled == STATUS_USER_APC) && (len > sizeof(reply)))
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{
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int i;
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len -= sizeof(reply);
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for (i = 0; i < len / sizeof(void*); i += 2)
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{
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PAPCFUNC func = (PAPCFUNC)apc[i];
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func( (ULONG_PTR)apc[i+1] );
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}
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}
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return reply.signaled;
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}
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/***********************************************************************
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* WIN16_WaitForSingleObject (KERNEL.460)
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*/
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DWORD WINAPI WIN16_WaitForSingleObject( HANDLE handle, DWORD timeout )
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{
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DWORD retval;
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SYSLEVEL_ReleaseWin16Lock();
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retval = WaitForSingleObject( handle, timeout );
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SYSLEVEL_RestoreWin16Lock();
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return retval;
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}
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/***********************************************************************
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* WIN16_WaitForMultipleObjects (KERNEL.461)
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*/
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DWORD WINAPI WIN16_WaitForMultipleObjects( DWORD count, const HANDLE *handles,
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BOOL wait_all, DWORD timeout )
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{
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DWORD retval;
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SYSLEVEL_ReleaseWin16Lock();
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retval = WaitForMultipleObjects( count, handles, wait_all, timeout );
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SYSLEVEL_RestoreWin16Lock();
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return retval;
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}
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/***********************************************************************
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* WIN16_WaitForMultipleObjectsEx (KERNEL.495)
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*/
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DWORD WINAPI WIN16_WaitForMultipleObjectsEx( DWORD count,
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const HANDLE *handles,
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BOOL wait_all, DWORD timeout,
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BOOL alertable )
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{
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DWORD retval;
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SYSLEVEL_ReleaseWin16Lock();
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retval = WaitForMultipleObjectsEx( count, handles,
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wait_all, timeout, alertable );
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SYSLEVEL_RestoreWin16Lock();
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return retval;
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}
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