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File: [Pegasus] / pegasus / src / Pegasus / Common / Attic / IPCWindows.cpp
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Revision: 1.11, Wed May 11 14:18:42 2005 UTC (19 years, 1 month ago) by aruran.ms Branch: MAIN CVS Tags: RELEASE_2_5_0-RC1, RELEASE_2_5_0, PEGASUS_2_5_0_PerformanceDev-string-end, PEGASUS_2_5_0_PerformanceDev-rootlt, PEGASUS_2_5_0_PerformanceDev-root, PEGASUS_2_5_0_PerformanceDev-r2, PEGASUS_2_5_0_PerformanceDev-r1, PEGASUS_2_5_0_PerformanceDev-lit-end, PEGASUS_2_5_0_PerformanceDev-buffer-end, PEGASUS_2_5_0_PerformanceDev-branch, PEGASUS_2_5_0_PerformanceDev-String, PEG25_IBM_5_16_05, NPEGASUS_2_5_0_PerformanceDev-String-root, NNPEGASUS_2_5_0_PerformanceDev-String-branch Branch point for: PEGASUS_2_5_0_PerformanceDev-AtomicInt-branch Changes since 1.10: +3 -2 lines BUG#: 3518 TITLE: Condition constructor should take a non-const mutex reference DESCRIPTION: Fixed as proposed |
//%2005//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // // 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. // //============================================================================== // // Author: Mike Day (mdday@us.ibm.com) // // Modified By: // Amit K Arora, IBM (amita@in.ibm.com) for PEP#101 // Aruran, IBM (ashanmug@in.ibm.com) for BUG# 3518 // //%///////////////////////////////////////////////////////////////////////////// PEGASUS_NAMESPACE_BEGIN Mutex::Mutex() { _mutex.mut = CreateMutex(NULL, false, NULL); _mutex.owner = (PEGASUS_THREAD_TYPE)0; } Mutex::Mutex(int mutex_type) { _mutex.mut = CreateMutex(NULL, false, NULL); _mutex.owner = (PEGASUS_THREAD_TYPE)0; } Mutex::Mutex(const Mutex & mutex) { DuplicateHandle(GetCurrentProcess(), mutex._mutex.mut, GetCurrentProcess(), &(_mutex.mut), 0, TRUE, DUPLICATE_SAME_ACCESS | MUTEX_ALL_ACCESS | SYNCHRONIZE); _mutex.owner = (PEGASUS_THREAD_TYPE)0; } Mutex::~Mutex() { WaitForSingleObject(_mutex.mut, INFINITE); CloseHandle(_mutex.mut); } static const int SEM_VALUE_MAX = 0x0000ffff; Semaphore::Semaphore(Uint32 initial) { if(initial > SEM_VALUE_MAX) initial = SEM_VALUE_MAX - 1; _count = initial; _semaphore.owner = (PEGASUS_THREAD_TYPE)GetCurrentThreadId(); _semaphore.sem = CreateSemaphore(NULL, initial, SEM_VALUE_MAX, NULL); } Semaphore::~Semaphore() { CloseHandle(_semaphore.sem); } //----------------------------------------------------------------- /// Native Windows implementation of AtomicInt class //----------------------------------------------------------------- #if defined(PEGASUS_ATOMIC_INT_NATIVE) AtomicInt::AtomicInt(): _rep(0) { init_crit(&_crit); } AtomicInt::AtomicInt( Uint32 initial): _rep(initial) { init_crit(&_crit); } AtomicInt::~AtomicInt() { destroy_crit(&_crit); } AtomicInt::AtomicInt(const AtomicInt& original) { _rep = original._rep; init_crit(&_crit); } #endif // Native Atomic Type //----------------------------------------------------------------- // Native implementation of Conditional semaphore object //----------------------------------------------------------------- #ifdef PEGASUS_CONDITIONAL_NATIVE Condition::Condition(void) : _disallow(0) { _cond_mutex.reset(new Mutex()); _destroy_mut = true; // Change from PulseEvent to SetEvent, this is part of // fix to avoid deadlock in CIMClient Constructor. // Change 2nd parm to FALSE (create an auto-reset event) _condition = CreateEvent( NULL, FALSE, FALSE, NULL); } Condition::Condition(Mutex& mutex) : _disallow(0), _condition() { _cond_mutex.reset(&mutex); _destroy_mut = false; // Change from PulseEvent to SetEvent, this is part of // fix to avoid deadlock in CIMClient Constructor. // Change 2nd parm to FALSE (create an auto-reset event) _condition = CreateEvent( NULL, FALSE, FALSE, NULL); } Condition::~Condition(void) { // don't allow any new waiters _disallow++; // Change from PulseEvent to SetEvent, this is part of // fix to avoid deadlock in CIMClient Constructor. // Change from PulseEvent to SetEvent //PulseEvent(_condition); SetEvent(_condition); if(_destroy_mut == true) _cond_mutex.reset(); else _cond_mutex.release(); // Change from PulseEvent to SetEvent, this is part of // fix to avoid deadlock in CIMClient Constructor. // Change Added next line to cleanup handle CloseHandle(_condition); } #endif // native conditional semaphore //----------------------------------------------------------------- // END of native conditional semaphore implementation //----------------------------------------------------------------- PEGASUS_NAMESPACE_END
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