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glibc/nptl/tst-cancel11.c
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/* Copyright (C) 2003-2016 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, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <errno.h> | |
#include <pthread.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <unistd.h> | |
static pthread_barrier_t bar; | |
static int fd[2]; | |
static void | |
cleanup (void *arg) | |
{ | |
static int ncall; | |
if (++ncall != 1) | |
{ | |
puts ("second call to cleanup"); | |
exit (1); | |
} | |
printf ("cleanup call #%d\n", ncall); | |
} | |
static void * | |
tf (void *arg) | |
{ | |
pthread_cleanup_push (cleanup, NULL); | |
int e = pthread_barrier_wait (&bar); | |
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("tf: 1st barrier_wait failed"); | |
exit (1); | |
} | |
/* This call should block and be cancelable. */ | |
char buf[20]; | |
read (fd[0], buf, sizeof (buf)); | |
pthread_cleanup_pop (0); | |
return NULL; | |
} | |
static int | |
do_test (void) | |
{ | |
pthread_t th; | |
if (pthread_barrier_init (&bar, NULL, 2) != 0) | |
{ | |
puts ("barrier_init failed"); | |
exit (1); | |
} | |
if (pipe (fd) != 0) | |
{ | |
puts ("pipe failed"); | |
exit (1); | |
} | |
if (pthread_create (&th, NULL, tf, NULL) != 0) | |
{ | |
puts ("create failed"); | |
exit (1); | |
} | |
int e = pthread_barrier_wait (&bar); | |
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("1st barrier_wait failed"); | |
exit (1); | |
} | |
if (pthread_cancel (th) != 0) | |
{ | |
puts ("1st cancel failed"); | |
exit (1); | |
} | |
void *r; | |
if (pthread_join (th, &r) != 0) | |
{ | |
puts ("join failed"); | |
exit (1); | |
} | |
if (r != PTHREAD_CANCELED) | |
{ | |
puts ("thread not canceled"); | |
exit (1); | |
} | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |