Date: Mon, 18 May 2009 17:32:45 -0700 (PDT) From: Peter Steele <psteele@maxiscale.com> To: #freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: Why would a kill -2 not work? Message-ID: <25097232.1021242693162151.JavaMail.HALO$@halo> In-Reply-To: <70C0964126D66F458E688618E1CD008A0793ED2E@WADPEXV0.waddell.com>
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>You're not trying to send a signal within the signal handler itself, >are you? That won't work-- signal delivery is blocked when you're >already running in a signal handler. Also, note that trying to mix >signals with a multithreaded process is complicated.... No, I'm not sending a signal within a signal. The signal handler is this: pthread_mutex_lock(&keep_running_mutex); KEEP_RUNNING = 0; pthread_cond_signal(&keep_running_cond); pthread_mutex_unlock(&keep_running_mutex); This works fine, but at some point it seems to stop working. The app just continues to run as if it never received the -2 signal. We have to use a kill -9 to kill it, which we want to avoid because this prevents our shutdown code from executing.
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