138 lines
2.8 KiB
Plaintext
138 lines
2.8 KiB
Plaintext
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file mutexPosixImpl.I
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* @author drose
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* @date 2006-02-10
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*/
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/**
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*
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*/
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CONSTEXPR MutexPosixImpl::
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MutexPosixImpl() NOEXCEPT : _lock(PTHREAD_MUTEX_INITIALIZER) {
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}
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/**
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*
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*/
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INLINE MutexPosixImpl::
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~MutexPosixImpl() {
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TAU_PROFILE("MutexPosixImpl::~MutexPosixImpl", " ", TAU_USER);
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int result = pthread_mutex_destroy(&_lock);
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assert(result == 0);
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}
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/**
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*
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*/
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INLINE void MutexPosixImpl::
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acquire() {
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TAU_PROFILE("void MutexPosixImpl::acquire", " ", TAU_USER);
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int result = pthread_mutex_lock(&_lock);
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assert(result == 0);
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}
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/**
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*
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*/
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INLINE bool MutexPosixImpl::
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try_acquire() {
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TAU_PROFILE("bool MutexPosixImpl::try_acquire", " ", TAU_USER);
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int result = pthread_mutex_trylock(&_lock);
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assert(result == 0 || result == EBUSY);
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return (result == 0);
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}
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/**
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*
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*/
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INLINE void MutexPosixImpl::
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release() {
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TAU_PROFILE("void MutexPosixImpl::release", " ", TAU_USER);
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int result = pthread_mutex_unlock(&_lock);
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assert(result == 0);
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}
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/**
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* Returns the underlying Posix lock handle.
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*/
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INLINE pthread_mutex_t *MutexPosixImpl::
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get_posix_lock() {
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return &_lock;
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}
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/**
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*
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*/
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#ifdef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
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CONSTEXPR ReMutexPosixImpl::
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ReMutexPosixImpl() NOEXCEPT : _lock(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP) {
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}
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#else
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INLINE ReMutexPosixImpl::
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ReMutexPosixImpl() {
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TAU_PROFILE("ReMutexPosixImpl::ReMutexPosixImpl", " ", TAU_USER);
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pthread_mutexattr_t attr;
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pthread_mutexattr_init(&attr);
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
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int result = pthread_mutex_init(&_lock, &attr);
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pthread_mutexattr_destroy(&attr);
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assert(result == 0);
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}
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#endif
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/**
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*
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*/
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INLINE ReMutexPosixImpl::
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~ReMutexPosixImpl() {
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TAU_PROFILE("ReMutexPosixImpl::~ReMutexPosixImpl", " ", TAU_USER);
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int result = pthread_mutex_destroy(&_lock);
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assert(result == 0);
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}
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/**
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*
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*/
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INLINE void ReMutexPosixImpl::
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acquire() {
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TAU_PROFILE("void ReMutexPosixImpl::acquire", " ", TAU_USER);
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int result = pthread_mutex_lock(&_lock);
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assert(result == 0);
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}
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/**
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*
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*/
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INLINE bool ReMutexPosixImpl::
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try_acquire() {
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TAU_PROFILE("bool ReMutexPosixImpl::try_acquire", " ", TAU_USER);
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int result = pthread_mutex_trylock(&_lock);
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assert(result == 0 || result == EBUSY);
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return (result == 0);
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}
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/**
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*
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*/
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INLINE void ReMutexPosixImpl::
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release() {
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TAU_PROFILE("void ReMutexPosixImpl::release", " ", TAU_USER);
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int result = pthread_mutex_unlock(&_lock);
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assert(result == 0);
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}
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/**
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* Returns the underlying Posix lock handle.
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*/
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INLINE pthread_mutex_t *ReMutexPosixImpl::
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get_posix_lock() {
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return &_lock;
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}
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