Hi folks,
One more bug found. SysRequestMutexSem doesn't work if a timeout
parameter is given.
if (usleep(SEM_WAIT_PERIOD * 1000)) {
timeout -= SEM_WAIT_PERIOD;
}
usleep returns 0 if ok and -1 if an error occured. Therefore the if
branch will never been reached, and thus timeout will never been
decremented.
if (usleep(SEM_WAIT_PERIOD * 1000) == 0) {
timeout -= SEM_WAIT_PERIOD;
}
should do.
I don't know if the case that usleep returns -1 has to be taken care of?
Perhaps this is an really unlikely case.
--
Manfred
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