virtualx-engine/thirdparty/embree/common/sys/condition.cpp
2021-01-14 18:02:07 +01:00

81 lines
1.6 KiB
C++

// Copyright 2009-2020 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 () {
pthread_cond_init(&cond,nullptr);
}
__forceinline ~ConditionImplementation() {
pthread_cond_destroy(&cond);
}
__forceinline void wait(MutexSys& mutex) {
pthread_cond_wait(&cond, (pthread_mutex_t*)mutex.mutex);
}
__forceinline void notify_all() {
pthread_cond_broadcast(&cond);
}
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();
}
}