void
awaitEvent(rtsBool wait)
{
do {
/* Try to de-queue completed IO requests
*/
workerWaitingForRequests = 1;
awaitRequests(wait);
workerWaitingForRequests = 0;
// If a signal was raised, we need to service it
// XXX the scheduler loop really should be calling
// startSignalHandlers(), but this is the way that posix/Select.c
// does it and I'm feeling too paranoid to refactor it today --SDM
if (stg_pending_events != 0) {
startSignalHandlers(&MainCapability);
return;
}
// The return value from awaitRequests() is a red herring: ignore
// it. Return to the scheduler if !wait, or
//
// - we were interrupted
// - the run-queue is now non- empty
} while (wait
&& sched_state == SCHED_RUNNING
&& emptyRunQueue(&MainCapability)
);
}
void
awaitEvent(rtsBool wait)
{
int ret;
do {
/* Try to de-queue completed IO requests
*/
workerWaitingForRequests = 1;
ret = awaitRequests(wait);
workerWaitingForRequests = 0;
if (!ret) {
return; /* still hold the lock */
}
// Return to the scheduler if:
//
// - we were interrupted
// - new threads have arrived
} while (wait
&& sched_state == SCHED_RUNNING
&& emptyRunQueue(&MainCapability)
);
}
