1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _OSL_SEMAPHORE_H_ 25 #define _OSL_SEMAPHORE_H_ 26 27 #include <sal/types.h> 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 typedef void* oslSemaphore; 34 35 /** Creates a semaphore.<BR> 36 37 @deprecated 38 Must not be used, as unnamed semaphores are not supported on Mac OS X. 39 40 @param InitialCount denotes the starting value the semaphore. If you set it to 41 zero, the first acquire() blocks. Otherwise InitialCount acquire()s are 42 immedeatly successfull. 43 @return 0 if the semaphore could not be created, otherwise a handle to the sem. 44 */ 45 oslSemaphore SAL_CALL osl_createSemaphore(sal_uInt32 initialCount); 46 47 /** Release the OS-structures and free semaphore data-structure 48 49 @deprecated 50 Must not be used, as unnamed semaphores are not supported on Mac OS X. 51 52 @return fbbb 53 */ 54 void SAL_CALL osl_destroySemaphore(oslSemaphore Semaphore); 55 56 /** acquire() decreases the count. It will block if it tries to 57 decrease below zero. 58 59 @deprecated 60 Must not be used, as unnamed semaphores are not supported on Mac OS X. 61 62 @return False if the system-call failed. 63 */ 64 sal_Bool SAL_CALL osl_acquireSemaphore(oslSemaphore Semaphore); 65 66 /** tryToAcquire() tries to decreases the count. It will 67 return with False if it would decrease the count below zero. 68 (When acquire() would block.) If it could successfully 69 decrease the count, it will return True. 70 71 @deprecated 72 Must not be used, as unnamed semaphores are not supported on Mac OS X. 73 */ 74 sal_Bool SAL_CALL osl_tryToAcquireSemaphore(oslSemaphore Semaphore); 75 76 /** release() increases the count. 77 78 @deprecated 79 Must not be used, as unnamed semaphores are not supported on Mac OS X. 80 81 @return False if the system-call failed. 82 */ 83 sal_Bool SAL_CALL osl_releaseSemaphore(oslSemaphore Semaphore); 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _OSL_SEMAPHORE_H_ */ 90 91 92