bool OplogBufferCollection::waitForData(Seconds waitDuration) {
stdx::unique_lock<stdx::mutex> lk(_mutex);
if (!_cvNoLongerEmpty.wait_for(
lk, waitDuration.toSystemDuration(), [&]() { return _count != 0; })) {
return false;
}
return _count != 0;
}
bool OplogBufferCollection::blockingPeek(OperationContext* txn,
Value* value,
Seconds waitDuration) {
stdx::unique_lock<stdx::mutex> lk(_mutex);
if (!_cvNoLongerEmpty.wait_for(
lk, waitDuration.toSystemDuration(), [&]() {
return _count != 0;
})) {
return false;
}
return _peekOneSide_inlock(txn, value, true);
}
void PeriodicTaskRunner::run() {
// Use a shorter cycle time in debug mode to help catch race conditions.
const Seconds waitTime(kDebugBuild ? 5 : 60);
stdx::unique_lock<stdx::mutex> lock(_mutex);
while (!_shutdownRequested) {
{
MONGO_IDLE_THREAD_BLOCK;
if (stdx::cv_status::timeout != _cond.wait_for(lock, waitTime.toSystemDuration()))
continue;
}
_runTasks();
}
}
void Balancer::_sleepFor(OperationContext* txn, Seconds waitTimeout) {
stdx::unique_lock<stdx::mutex> lock(_mutex);
_condVar.wait_for(lock, waitTimeout.toSystemDuration(), [&] { return _state != kRunning; });
}