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Event.cpp
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91 lines (70 loc) · 1.64 KB
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#include "Event.h"
namespace Utils
{
Event::Event(const bool signaled, const bool manually) noexcept
: signaled(signaled), manually(manually)
{
}
void Event::wait()
{
if (this->signaled.load() == false) {
std::unique_lock<std::mutex> lck(this->mtx);
do {
this->cv.wait(lck);
}
while (this->signaled.load() == false);
}
if (false == this->manually) {
this->signaled.store(false);
}
}
bool Event::wait_for(const std::chrono::milliseconds &ms)
{
bool is_timeout = false;
if (this->signaled.load() == false) {
std::unique_lock<std::mutex> lck(this->mtx);
is_timeout = false == this->cv.wait_for(lck, ms, [this] {
return this->notifed();
});
}
if (false == this->manually) {
this->signaled.store(false);
}
return is_timeout;
}
bool Event::wait_until(
const std::chrono::high_resolution_clock::time_point &tp
) {
bool is_timeout = false;
if (this->signaled.load() == false) {
std::unique_lock<std::mutex> lck(this->mtx);
do {
if (std::cv_status::timeout == this->cv.wait_until(lck, tp) ) {
is_timeout = true;
break;
}
}
while (this->signaled.load() == false);
}
if (false == this->manually) {
this->signaled.store(false);
}
return is_timeout;
}
void Event::notify() noexcept {
this->signaled.store(true);
this->cv.notify_all();
}
void Event::notify(const size_t threadsCount) noexcept {
this->signaled.store(true);
for (size_t i = 0; i < threadsCount; ++i) {
this->cv.notify_one();
}
}
void Event::reset() noexcept {
this->signaled.store(false);
}
bool Event::notifed() const noexcept {
return this->signaled.load();
}
}