Rafi Cohen wrote:
Thanks, Guy, I'll try this debugging. Howeer, befor that I want to make
sure I'm using the correct mechanism for timeout.
For example, within the thread that needs to wait 10 seconds, the sample
code is as follows:
struct timespec tmspec;
int retcode;
Clock_gettime(CLOCK_REALTIME, &tmspec);
Tmspec.tv_sec += (seconds to wait until timeout).
Then within the loop: lock mutex, retcode =
pthread_cond_timedwait(&cond, &mutex, &tmspec);
Unlock mutex and then check if retcode == ETIMEDOUT, process on.
Does this seem to be corrct, specifically the seconds I add to
tmspec.tv_sec?
this is wrong.
First of all - for any condition variable you take the mutex outside the
loop, never inside. Second (probably less important, but not sure) - you
compute the timeout inside the mutex and no outside.
Again, instead of asking question on the mailing list you should be
reading the fine man page with the extra fine code example in it:
http://linux.die.net/man/3/pthread_cond_timedwait
RTFM! :-)
Gilad
--
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