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File: [Pegasus] / pegasus / src / Pegasus / Common / Semaphore.h
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Revision: 1.12, Tue Dec 2 09:00:52 2008 UTC (15 years, 7 months ago) by martin Branch: MAIN CVS Tags: preBug9676, postBug9676, TASK_PEP317_1JUNE_2013, TASK-TASK_PEP362_RestfulService_branch-root, TASK-TASK_PEP362_RestfulService_branch-merged_out_from_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_to_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_from_branch, TASK-TASK_PEP362_RestfulService_branch-branch, TASK-PEP362_RestfulService-root, TASK-PEP362_RestfulService-merged_out_to_branch, TASK-PEP362_RestfulService-merged_out_from_trunk, TASK-PEP362_RestfulService-merged_in_to_trunk, TASK-PEP362_RestfulService-merged_in_from_branch, TASK-PEP362_RestfulService-branch, TASK-PEP348_SCMO-root, TASK-PEP348_SCMO-merged_out_to_branch, TASK-PEP348_SCMO-merged_out_from_trunk, TASK-PEP348_SCMO-merged_in_to_trunk, TASK-PEP348_SCMO-merged_in_from_branch, TASK-PEP348_SCMO-branch, TASK-PEP317_pullop-root, TASK-PEP317_pullop-merged_out_to_branch, TASK-PEP317_pullop-merged_out_from_trunk, TASK-PEP317_pullop-merged_in_to_trunk, TASK-PEP317_pullop-merged_in_from_branch, TASK-PEP317_pullop-branch, RELEASE_2_9_2-RC2, RELEASE_2_9_2-RC1, RELEASE_2_9_2, RELEASE_2_9_1-RC1, RELEASE_2_9_1, RELEASE_2_9_0-RC1, RELEASE_2_9_0-FC, RELEASE_2_9_0, RELEASE_2_9-root, RELEASE_2_9-branch, RELEASE_2_14_1, RELEASE_2_14_0-RC2, RELEASE_2_14_0-RC1, RELEASE_2_14_0, RELEASE_2_14-root, RELEASE_2_14-branch, RELEASE_2_13_0-RC2, RELEASE_2_13_0-RC1, RELEASE_2_13_0-FC, RELEASE_2_13_0, RELEASE_2_13-root, RELEASE_2_13-branch, RELEASE_2_12_1-RC1, RELEASE_2_12_1, RELEASE_2_12_0-RC1, RELEASE_2_12_0-FC, RELEASE_2_12_0, RELEASE_2_12-root, RELEASE_2_12-branch, RELEASE_2_11_2-RC1, RELEASE_2_11_2, RELEASE_2_11_1-RC1, RELEASE_2_11_1, RELEASE_2_11_0-RC1, RELEASE_2_11_0-FC, RELEASE_2_11_0, RELEASE_2_11-root, RELEASE_2_11-branch, RELEASE_2_10_1-RC1, RELEASE_2_10_1, RELEASE_2_10_0-RC2, RELEASE_2_10_0-RC1, RELEASE_2_10_0, RELEASE_2_10-root, RELEASE_2_10-branch, PREAUG25UPDATE, POSTAUG25UPDATE, HPUX_TEST, HEAD, CIMRS_WORK_20130824, BeforeUpdateToHeadOct82011 Changes since 1.11: +6 -6 lines BUG#: 8123 TITLE: Update copyright/license text DESCRIPTION: Fixing trailing spaces in copyright/license text |
//%LICENSE//////////////////////////////////////////////////////////////// // // Licensed to The Open Group (TOG) under one or more contributor license // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with // this work for additional information regarding copyright ownership. // Each contributor licenses this file to you under the OpenPegasus Open // Source License; you may not use this file except in compliance with the // License. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // ////////////////////////////////////////////////////////////////////////// // //%///////////////////////////////////////////////////////////////////////////// #ifndef Pegasus_Semaphore_h #define Pegasus_Semaphore_h #include <Pegasus/Common/Config.h> #include <Pegasus/Common/Linkage.h> #include <Pegasus/Common/Threads.h> //============================================================================== // // Select sempahore implementation by defining one of these: // // PEGASUS_USE_POSIX_SEMAPHORE // PEGASUS_USE_PTHREAD_SEMAPHORE // PEGASUS_USE_WINDOWS_SEMAPHORE // //============================================================================== #if defined(PEGASUS_OS_ZOS) || \ defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX) || \ defined(PEGASUS_PLATFORM_PASE_ISERIES_IBMCXX) || \ defined(PEGASUS_OS_DARWIN) || \ defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) || \ defined(PEGASUS_PLATFORM_VMS_IA64_DECCXX) || \ defined(PEGASUS_PLATFORM_VMS_ALPHA_DECCXX) # define PEGASUS_USE_PTHREAD_SEMAPHORE #elif defined(PEGASUS_OS_TYPE_WINDOWS) # define PEGASUS_USE_WINDOWS_SEMAPHORE #else # define PEGASUS_USE_POSIX_SEMAPHORE #endif #if defined(PEGASUS_USE_POSIX_SEMAPHORE) # include <semaphore.h> #endif PEGASUS_NAMESPACE_BEGIN //============================================================================== // // SemaphoreRep // //============================================================================== #if defined(PEGASUS_USE_PTHREAD_SEMAPHORE) struct SemaphoreRep { int count; Uint32 waiters; pthread_mutex_t mutex; pthread_cond_t cond; ThreadType owner; }; #endif /* PEGASUS_USE_PTHREAD_SEMAPHORE */ #if defined(PEGASUS_USE_POSIX_SEMAPHORE) struct SemaphoreRep { sem_t sem; ThreadType owner; }; #endif /* defined(PEGASUS_USE_POSIX_SEMAPHORE) */ #if defined(PEGASUS_USE_WINDOWS_SEMAPHORE) struct SemaphoreRep { HANDLE sem; ThreadType owner; }; #endif /* PEGASUS_USE_WINDOWS_SEMAPHORE */ //============================================================================== // // Semaphore // //============================================================================== class PEGASUS_COMMON_LINKAGE Semaphore { public: /** Creates a semaphore and sets its initial value as specified. @param initial The initial value for the Semaphore (defaults to 1). */ Semaphore(Uint32 initial = 1); /** Destructor. */ ~Semaphore(); /** Blocks until this Semaphore is in a signalled state. Interrupt signals are ignored. @exception Exception If unable to block on the semaphore. */ void wait(); /** Waits for the Semaphore to be signalled for a specified time interval. This method returns normally if the Semaphore has a non-zero count or it is signalled during the specified time interval. @param milliseconds The time interval to wait (in milliseconds). @return True if the Semaphore has a non-zero count or is signalled during the specified time interval, false otherwise. */ Boolean time_wait(Uint32 milliseconds); /** Increments the count of the semaphore. */ void signal(); private: Semaphore(const Semaphore& x); // Unimplemented Semaphore& operator=(const Semaphore& x); // Unimplemented mutable SemaphoreRep _rep; friend class Condition; }; PEGASUS_NAMESPACE_END #endif /* Pegasus_Semaphore_h */
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