85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
// Copyright 2009-2021 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "condition.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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struct ConditionImplementation
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{
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__forceinline ConditionImplementation () {
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InitializeConditionVariable(&cond);
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}
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__forceinline ~ConditionImplementation () {
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}
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__forceinline void wait(MutexSys& mutex_in) {
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SleepConditionVariableCS(&cond, (LPCRITICAL_SECTION)mutex_in.mutex, INFINITE);
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}
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__forceinline void notify_all() {
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WakeAllConditionVariable(&cond);
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}
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public:
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CONDITION_VARIABLE cond;
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};
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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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struct ConditionImplementation
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{
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__forceinline ConditionImplementation () {
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if (pthread_cond_init(&cond,nullptr) != 0)
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THROW_RUNTIME_ERROR("pthread_cond_init failed");
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}
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__forceinline ~ConditionImplementation() {
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MAYBE_UNUSED bool ok = pthread_cond_destroy(&cond) == 0;
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assert(ok);
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}
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__forceinline void wait(MutexSys& mutex) {
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if (pthread_cond_wait(&cond, (pthread_mutex_t*)mutex.mutex) != 0)
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THROW_RUNTIME_ERROR("pthread_cond_wait failed");
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}
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__forceinline void notify_all() {
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if (pthread_cond_broadcast(&cond) != 0)
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THROW_RUNTIME_ERROR("pthread_cond_broadcast failed");
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}
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public:
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pthread_cond_t cond;
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};
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}
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#endif
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namespace embree
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{
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ConditionSys::ConditionSys () {
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cond = new ConditionImplementation;
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}
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ConditionSys::~ConditionSys() {
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delete (ConditionImplementation*) cond;
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}
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void ConditionSys::wait(MutexSys& mutex) {
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((ConditionImplementation*) cond)->wait(mutex);
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}
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void ConditionSys::notify_all() {
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((ConditionImplementation*) cond)->notify_all();
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}
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}
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