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$NetBSD: patch-ab,v 1.1.1.1 2007/07/17 19:18:44 drochner Exp $
--- fifo.cpp.orig 2007-07-17 14:50:26.000000000 +0200
+++ fifo.cpp
@@ -306,10 +306,14 @@ int sleep_until_start_request_or_inactiv
to.tv_sec, to.tv_nsec,
ts.tv_sec, ts.tv_nsec);
- while ((err = sem_timedwait(&my_sem_start_is_required, &ts)) == -1
- && errno == EINTR)
+ while ((err = sem_trywait(&my_sem_start_is_required)) == -1
+ && (errno == EINTR || errno == EAGAIN))
{
- continue;
+ struct timespec help;
+ clock_gettime2(&help);
+ if (timespeccmp(&help, &ts, >=))
+ break;
+ sched_yield();
}
assert (gettimeofday(&tv, NULL) != -1);
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