59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "mutex.h"
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#include "regression.h"
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#if defined(__WIN32__) && !defined(PTHREADS_WIN32)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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namespace embree
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{
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MutexSys::MutexSys() { mutex = new CRITICAL_SECTION; InitializeCriticalSection((CRITICAL_SECTION*)mutex); }
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MutexSys::~MutexSys() { DeleteCriticalSection((CRITICAL_SECTION*)mutex); delete (CRITICAL_SECTION*)mutex; }
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void MutexSys::lock() { EnterCriticalSection((CRITICAL_SECTION*)mutex); }
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bool MutexSys::try_lock() { return TryEnterCriticalSection((CRITICAL_SECTION*)mutex) != 0; }
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void MutexSys::unlock() { LeaveCriticalSection((CRITICAL_SECTION*)mutex); }
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}
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#endif
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#if defined(__UNIX__) || defined(PTHREADS_WIN32)
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#include <pthread.h>
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namespace embree
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{
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/*! system mutex using pthreads */
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MutexSys::MutexSys()
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{
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mutex = new pthread_mutex_t;
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if (pthread_mutex_init((pthread_mutex_t*)mutex, nullptr) != 0)
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THROW_RUNTIME_ERROR("pthread_mutex_init failed");
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}
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MutexSys::~MutexSys()
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{
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MAYBE_UNUSED bool ok = pthread_mutex_destroy((pthread_mutex_t*)mutex) == 0;
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assert(ok);
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delete (pthread_mutex_t*)mutex;
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mutex = nullptr;
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}
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void MutexSys::lock()
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{
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if (pthread_mutex_lock((pthread_mutex_t*)mutex) != 0)
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THROW_RUNTIME_ERROR("pthread_mutex_lock failed");
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}
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bool MutexSys::try_lock() {
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return pthread_mutex_trylock((pthread_mutex_t*)mutex) == 0;
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}
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void MutexSys::unlock()
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{
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if (pthread_mutex_unlock((pthread_mutex_t*)mutex) != 0)
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THROW_RUNTIME_ERROR("pthread_mutex_unlock failed");
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}
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};
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#endif
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