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glibc/nptl/tst-cancel26.c
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/* Check for failure paths handling for cancellation points. | |
Copyright (C) 2015-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
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> | |
/* Check that the cancel syscall points handles both the errno and return code | |
correctly for invalid arguments. */ | |
static void * | |
tf (void *arg) | |
{ | |
#ifdef SET_CANCEL_DISABLE | |
pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL); | |
#endif | |
/* This is a cancellation point, but we should not be cancelled. */ | |
int r = write (-1, 0, 0); | |
if (r != -1 || errno != EBADF) | |
{ | |
printf ("error: write returned %d, errno %d\n", r, errno); | |
exit (1); | |
} | |
return NULL; | |
} | |
static int | |
do_test (void) | |
{ | |
pthread_t th; | |
if (pthread_create (&th, NULL, tf, NULL) != 0) | |
{ | |
puts ("error: pthread_create failed"); | |
exit (1); | |
} | |
if (pthread_join (th, NULL) != 0) | |
{ | |
puts ("error: pthread_join failed"); | |
exit (1); | |
} | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |