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 #ifndef _OSL_SEMAPHORE_H_ 29*cdf0e10cSrcweir #define _OSL_SEMAPHORE_H_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <sal/types.h> 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir #ifdef __cplusplus 34*cdf0e10cSrcweir extern "C" { 35*cdf0e10cSrcweir #endif 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir typedef void* oslSemaphore; 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir /** Creates a semaphore.<BR> 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir @deprecated 42*cdf0e10cSrcweir Must not be used, as unnamed semaphores are not supported on Mac OS X. 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir @param InitialCount denotes the starting value the semaphore. If you set it to 45*cdf0e10cSrcweir zero, the first acquire() blocks. Otherwise InitialCount acquire()s are 46*cdf0e10cSrcweir immedeatly successfull. 47*cdf0e10cSrcweir @return 0 if the semaphore could not be created, otherwise a handle to the sem. 48*cdf0e10cSrcweir */ 49*cdf0e10cSrcweir oslSemaphore SAL_CALL osl_createSemaphore(sal_uInt32 initialCount); 50*cdf0e10cSrcweir 51*cdf0e10cSrcweir /** Release the OS-structures and free semaphore data-structure 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir @deprecated 54*cdf0e10cSrcweir Must not be used, as unnamed semaphores are not supported on Mac OS X. 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir @return fbbb 57*cdf0e10cSrcweir */ 58*cdf0e10cSrcweir void SAL_CALL osl_destroySemaphore(oslSemaphore Semaphore); 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir /** acquire() decreases the count. It will block if it tries to 61*cdf0e10cSrcweir decrease below zero. 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir @deprecated 64*cdf0e10cSrcweir Must not be used, as unnamed semaphores are not supported on Mac OS X. 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir @return False if the system-call failed. 67*cdf0e10cSrcweir */ 68*cdf0e10cSrcweir sal_Bool SAL_CALL osl_acquireSemaphore(oslSemaphore Semaphore); 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir /** tryToAcquire() tries to decreases the count. It will 71*cdf0e10cSrcweir return with False if it would decrease the count below zero. 72*cdf0e10cSrcweir (When acquire() would block.) If it could successfully 73*cdf0e10cSrcweir decrease the count, it will return True. 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir @deprecated 76*cdf0e10cSrcweir Must not be used, as unnamed semaphores are not supported on Mac OS X. 77*cdf0e10cSrcweir */ 78*cdf0e10cSrcweir sal_Bool SAL_CALL osl_tryToAcquireSemaphore(oslSemaphore Semaphore); 79*cdf0e10cSrcweir 80*cdf0e10cSrcweir /** release() increases the count. 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir @deprecated 83*cdf0e10cSrcweir Must not be used, as unnamed semaphores are not supported on Mac OS X. 84*cdf0e10cSrcweir 85*cdf0e10cSrcweir @return False if the system-call failed. 86*cdf0e10cSrcweir */ 87*cdf0e10cSrcweir sal_Bool SAL_CALL osl_releaseSemaphore(oslSemaphore Semaphore); 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir #ifdef __cplusplus 90*cdf0e10cSrcweir } 91*cdf0e10cSrcweir #endif 92*cdf0e10cSrcweir 93*cdf0e10cSrcweir #endif /* _OSL_SEMAPHORE_H_ */ 94*cdf0e10cSrcweir 95*cdf0e10cSrcweir 96