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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "condition.h"
#if defined(__WIN32__) && !defined(PTHREADS_WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
namespace embree
{
struct ConditionImplementation
{
__forceinline ConditionImplementation () {
InitializeConditionVariable(&cond);
}
__forceinline ~ConditionImplementation () {
}
__forceinline void wait(MutexSys& mutex_in) {
SleepConditionVariableCS(&cond, (LPCRITICAL_SECTION)mutex_in.mutex, INFINITE);
}
__forceinline void notify_all() {
WakeAllConditionVariable(&cond);
}
public:
CONDITION_VARIABLE cond;
};
}
#endif
#if defined(__UNIX__) || defined(PTHREADS_WIN32)
#include <pthread.h>
namespace embree
{
struct ConditionImplementation
{
__forceinline ConditionImplementation () {
if (pthread_cond_init(&cond,nullptr) != 0)
THROW_RUNTIME_ERROR("pthread_cond_init failed");
}
__forceinline ~ConditionImplementation() {
MAYBE_UNUSED bool ok = pthread_cond_destroy(&cond) == 0;
assert(ok);
}
__forceinline void wait(MutexSys& mutex) {
if (pthread_cond_wait(&cond, (pthread_mutex_t*)mutex.mutex) != 0)
THROW_RUNTIME_ERROR("pthread_cond_wait failed");
}
__forceinline void notify_all() {
if (pthread_cond_broadcast(&cond) != 0)
THROW_RUNTIME_ERROR("pthread_cond_broadcast failed");
}
public:
pthread_cond_t cond;
};
}
#endif
namespace embree
{
ConditionSys::ConditionSys () {
cond = new ConditionImplementation;
}
ConditionSys::~ConditionSys() {
delete (ConditionImplementation*) cond;
}
void ConditionSys::wait(MutexSys& mutex) {
((ConditionImplementation*) cond)->wait(mutex);
}
void ConditionSys::notify_all() {
((ConditionImplementation*) cond)->notify_all();
}
}
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