72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
/* $NetBSD: sigalarm.c,v 1.1 2003/09/12 21:15:06 christos Exp $ */
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/*
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* Regression test for sigsuspend in libpthread when pthread lib is
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* initialized.
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*/
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#include <assert.h>
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#include <err.h>
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#include <stdio.h>
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#include <signal.h>
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#include <unistd.h>
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#include <pthread.h>
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int alarm_set;
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#ifdef SA_SIGINFO
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static void alarm_handler(int, siginfo_t *, void *);
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static void
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alarm_handler(int signo, siginfo_t *si, void *ctx)
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{
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if (si->si_signo != signo)
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errx(1, "Received unexpected signal %d", signo);
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alarm_set = 1;
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}
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#else
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static void alarm_handler(int);
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static void
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alarm_handler(int signo)
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{
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if (SIGALRM != signo)
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errx(1, "Received unexpected signal %d", signo);
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alarm_set = 1;
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}
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#endif
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static void *
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setup(void *dummy)
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{
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struct sigaction sa;
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#ifdef SA_SIGINFO
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sa.sa_flags = SA_SIGINFO;
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sa.sa_sigaction = alarm_handler;
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#else
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sa.sa_flags = 0;
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sa.sa_handler = alarm_handler;
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#endif
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sigemptyset(&sa.sa_mask);
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sigaction(SIGALRM, &sa, NULL);
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alarm(1);
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return NULL;
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}
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int
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main(int argc, char **argv)
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{
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sigset_t set;
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pthread_t self = pthread_self();
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if (pthread_create(&self, NULL, setup, NULL) != 0)
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err(1, "Cannot create thread");
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sigemptyset(&set);
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sigsuspend(&set);
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alarm(0);
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if (!alarm_set)
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errx(1, "alarm_set not set");
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return 0;
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}
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