mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* 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"
|