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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "mutex.h"
#include "regression.h"
#if defined(__WIN32__) && !defined(PTHREADS_WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
namespace embree
{
MutexSys::MutexSys() { mutex = new CRITICAL_SECTION; InitializeCriticalSection((CRITICAL_SECTION*)mutex); }
MutexSys::~MutexSys() { DeleteCriticalSection((CRITICAL_SECTION*)mutex); delete (CRITICAL_SECTION*)mutex; }
void MutexSys::lock() { EnterCriticalSection((CRITICAL_SECTION*)mutex); }
bool MutexSys::try_lock() { return TryEnterCriticalSection((CRITICAL_SECTION*)mutex) != 0; }
void MutexSys::unlock() { LeaveCriticalSection((CRITICAL_SECTION*)mutex); }
}
#endif
#if defined(__UNIX__) || defined(PTHREADS_WIN32)
#include <pthread.h>
namespace embree
{
/*! system mutex using pthreads */
MutexSys::MutexSys()
{
mutex = new pthread_mutex_t;
if (pthread_mutex_init((pthread_mutex_t*)mutex, nullptr) != 0)
THROW_RUNTIME_ERROR("pthread_mutex_init failed");
}
MutexSys::~MutexSys()
{
MAYBE_UNUSED bool ok = pthread_mutex_destroy((pthread_mutex_t*)mutex) == 0;
assert(ok);
delete (pthread_mutex_t*)mutex;
mutex = nullptr;
}
void MutexSys::lock()
{
if (pthread_mutex_lock((pthread_mutex_t*)mutex) != 0)
THROW_RUNTIME_ERROR("pthread_mutex_lock failed");
}
bool MutexSys::try_lock() {
return pthread_mutex_trylock((pthread_mutex_t*)mutex) == 0;
}
void MutexSys::unlock()
{
if (pthread_mutex_unlock((pthread_mutex_t*)mutex) != 0)
THROW_RUNTIME_ERROR("pthread_mutex_unlock failed");
}
};
#endif
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