On 2011/03/16 23:23, Yuri wrote: > On 02/27/2011 18:00, David Xu wrote: >> I think in normal case, pthread_cond_signal will wake up one thread, >> but other events for example, UNIX signal and fork() may interrupt >> a thread sleeping in kernel, and cause pthread_cond_wait to return >> to userland, this is called spurious wakeup, and other events, I >> can not think of yet, but I believe they exist. >> > > Does this mean that pthread_cond_signal can also return EINTR? This > isn't in pthread_cond_signal(3) either. >
No, it will return zero, returning EINTR is not allowed. > Is this the case that all system calls should be assumed to be able to > return EINTR or only those that have EINTR in their man pages? > > Yuri > _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
