/* Copyright (C) 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <errno.h> #include <pthread.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> #include <sys/time.h> static pthread_cond_t c = PTHREAD_COND_INITIALIZER; static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; static pthread_barrier_t b; static void * tf (void *a) { /* Block SIGUSR1. */ sigset_t ss; sigemptyset (&ss); sigaddset (&ss, SIGUSR1); if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) { puts ("child: sigmask failed"); exit (1); } if (pthread_mutex_lock (&m) != 0) { puts ("child: mutex_lock failed"); exit (1); } int e = pthread_barrier_wait (&b); if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) { puts ("child: barrier_wait failed"); exit (1); } /* Compute timeout. */ struct timeval tv; (void) gettimeofday (&tv, NULL); struct timespec ts; TIMEVAL_TO_TIMESPEC (&tv, &ts); /* Timeout: 1sec. */ ts.tv_sec += 1; /* This call should never return. */ if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT) { puts ("cond_timedwait didn't time out"); exit (1); } return NULL; } int do_test (void) { pthread_t th; if (pthread_barrier_init (&b, NULL, 2) != 0) { puts ("barrier_init failed"); exit (1); } if (pthread_create (&th, NULL, tf, NULL) != 0) { puts ("create failed"); exit (1); } int e = pthread_barrier_wait (&b); if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) { puts ("barrier_wait failed"); exit (1); } if (pthread_mutex_lock (&m) != 0) { puts ("mutex_lock failed"); exit (1); } /* Send the thread a signal which it has blocked. */ if (pthread_kill (th, SIGUSR1) != 0) { puts ("kill failed"); exit (1); } if (pthread_mutex_unlock (&m) != 0) { puts ("mutex_unlock failed"); exit (1); } void *r; if (pthread_join (th, &r) != 0) { puts ("join failed"); exit (1); } if (r != NULL) { puts ("return value wrong"); exit (1); } return 0; } #define TIMEOUT 5 #define TEST_FUNCTION do_test () #include "../test-skeleton.c"