Messages in this thread | | | Date | Wed, 30 Apr 2003 11:15:52 +0200 | From | Alex Riesen <> | Subject | Re: SIGRTMIN, F_SETOWN(-getpgrp()) and threads |
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Lamont Granquist, Tue, Apr 29, 2003 22:14:22 +0200: > > > I'm attempting to send SIGRTMIN to an entire pgrp composed of threads. > > > I'm running into issues with the management thread getting this signal and > > > dying because it is uncaught in that thread. Is there any way to make the > > > management thread ignore this signal? (and i'm running linux 2.4.20-ish > > > and glibc-2.2.4-19.3) > > ignore it before pthreads are initialized? > > > > int main(int argc, char* argv[]) > > { > > signal(SIGRTMIN, SIG_IGN); > > ... > That doesn't work. After the first pthread_create() if you raise() the > signal again (even if you ignore it in the thread that you create) you'll > still have the manager thread exit.
probably because it is used by pthreads for internal communication. It's mentioned in 2.2.5 (at least) sources.
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