1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #include "system.h" 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir #include <osl/conditn.h> 31*cdf0e10cSrcweir #include <osl/diagnose.h> 32*cdf0e10cSrcweir #include <osl/time.h> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir /* 35*cdf0e10cSrcweir under WIN32, we use the void* oslCondition 36*cdf0e10cSrcweir as a WIN32 HANDLE (which is also a 32-bit value) 37*cdf0e10cSrcweir */ 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir /*****************************************************************************/ 40*cdf0e10cSrcweir /* osl_createCondition */ 41*cdf0e10cSrcweir /*****************************************************************************/ 42*cdf0e10cSrcweir oslCondition SAL_CALL osl_createCondition(void) 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir oslCondition Condition; 45*cdf0e10cSrcweir 46*cdf0e10cSrcweir Condition= (oslCondition)CreateEvent(0, /* no security */ 47*cdf0e10cSrcweir sal_True, /* manual reset */ 48*cdf0e10cSrcweir sal_False, /* initial state not signaled */ 49*cdf0e10cSrcweir 0); /* automatic name */ 50*cdf0e10cSrcweir 51*cdf0e10cSrcweir return Condition; 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir } 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir /*****************************************************************************/ 56*cdf0e10cSrcweir /* osl_destroyCondition */ 57*cdf0e10cSrcweir /*****************************************************************************/ 58*cdf0e10cSrcweir void SAL_CALL osl_destroyCondition(oslCondition Condition) 59*cdf0e10cSrcweir { 60*cdf0e10cSrcweir if(Condition) 61*cdf0e10cSrcweir { 62*cdf0e10cSrcweir OSL_VERIFY(CloseHandle(Condition)); 63*cdf0e10cSrcweir } 64*cdf0e10cSrcweir } 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir /*****************************************************************************/ 67*cdf0e10cSrcweir /* osl_setCondition */ 68*cdf0e10cSrcweir /*****************************************************************************/ 69*cdf0e10cSrcweir sal_Bool SAL_CALL osl_setCondition(oslCondition Condition) 70*cdf0e10cSrcweir { 71*cdf0e10cSrcweir OSL_ASSERT(Condition); 72*cdf0e10cSrcweir 73*cdf0e10cSrcweir return (sal_Bool)(SetEvent((HANDLE)Condition) != FALSE); 74*cdf0e10cSrcweir } 75*cdf0e10cSrcweir 76*cdf0e10cSrcweir /*****************************************************************************/ 77*cdf0e10cSrcweir /* osl_resetCondition */ 78*cdf0e10cSrcweir /*****************************************************************************/ 79*cdf0e10cSrcweir sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition) 80*cdf0e10cSrcweir { 81*cdf0e10cSrcweir OSL_ASSERT(Condition); 82*cdf0e10cSrcweir 83*cdf0e10cSrcweir return (sal_Bool)(ResetEvent((HANDLE)Condition) != FALSE); 84*cdf0e10cSrcweir } 85*cdf0e10cSrcweir 86*cdf0e10cSrcweir /*****************************************************************************/ 87*cdf0e10cSrcweir /* osl_waitCondition */ 88*cdf0e10cSrcweir /*****************************************************************************/ 89*cdf0e10cSrcweir oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, 90*cdf0e10cSrcweir const TimeValue* pTimeout) 91*cdf0e10cSrcweir { 92*cdf0e10cSrcweir DWORD timeout; 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir OSL_ASSERT(Condition); 95*cdf0e10cSrcweir 96*cdf0e10cSrcweir if (pTimeout) 97*cdf0e10cSrcweir timeout = pTimeout->Seconds * 1000 + pTimeout->Nanosec / 1000000L; 98*cdf0e10cSrcweir else 99*cdf0e10cSrcweir timeout = INFINITE; 100*cdf0e10cSrcweir 101*cdf0e10cSrcweir /* It's necessary to process SendMessage calls to the current thread to give other threads 102*cdf0e10cSrcweir access to COM objects instatiated in this thread */ 103*cdf0e10cSrcweir 104*cdf0e10cSrcweir while ( 1 ) 105*cdf0e10cSrcweir { 106*cdf0e10cSrcweir /* Only wake up if a SendMessage call to the threads message loop is detected */ 107*cdf0e10cSrcweir switch( MsgWaitForMultipleObjects( 1, (HANDLE *)(&Condition), FALSE, timeout, QS_SENDMESSAGE ) ) 108*cdf0e10cSrcweir { 109*cdf0e10cSrcweir case WAIT_OBJECT_0 + 1: 110*cdf0e10cSrcweir { 111*cdf0e10cSrcweir MSG msg; 112*cdf0e10cSrcweir 113*cdf0e10cSrcweir /* We Must not dispatch the message. PM_NOREMOVE leaves the message queue untouched 114*cdf0e10cSrcweir but dispatches SendMessage calls automatically */ 115*cdf0e10cSrcweir 116*cdf0e10cSrcweir PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ); 117*cdf0e10cSrcweir } 118*cdf0e10cSrcweir break; 119*cdf0e10cSrcweir 120*cdf0e10cSrcweir case WAIT_OBJECT_0: 121*cdf0e10cSrcweir return (osl_cond_result_ok); 122*cdf0e10cSrcweir 123*cdf0e10cSrcweir case WAIT_TIMEOUT: 124*cdf0e10cSrcweir return (osl_cond_result_timeout); 125*cdf0e10cSrcweir 126*cdf0e10cSrcweir default: 127*cdf0e10cSrcweir return (osl_cond_result_error); 128*cdf0e10cSrcweir } 129*cdf0e10cSrcweir } 130*cdf0e10cSrcweir } 131*cdf0e10cSrcweir 132*cdf0e10cSrcweir /*****************************************************************************/ 133*cdf0e10cSrcweir /* osl_checkCondition */ 134*cdf0e10cSrcweir /*****************************************************************************/ 135*cdf0e10cSrcweir sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition) 136*cdf0e10cSrcweir { 137*cdf0e10cSrcweir OSL_ASSERT(Condition); 138*cdf0e10cSrcweir 139*cdf0e10cSrcweir return (sal_Bool)(WaitForSingleObject((HANDLE)Condition, 0) == WAIT_OBJECT_0); 140*cdf0e10cSrcweir } 141*cdf0e10cSrcweir 142