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glibc/nptl/tst-pthread-attr-affinity.c
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/* Make sure that pthread_attr_getaffinity_np does not crash when the input | |
cpuset size is smaller than that in the attribute structure. | |
Copyright (C) 2013-2016 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 <pthread.h> | |
#include <stdio.h> | |
#include <sched.h> | |
#include <errno.h> | |
#include <sys/param.h> | |
#define RETURN_IF_FAIL(f, ...) \ | |
({ \ | |
int ret = f (__VA_ARGS__); \ | |
if (ret != 0) \ | |
{ \ | |
printf ("%s:%d: %s returned %d (errno = %d)\n", __FILE__, __LINE__, \ | |
#f, ret, errno); \ | |
return ret; \ | |
} \ | |
}) | |
static int | |
do_test (void) | |
{ | |
for (int i = 0; i < 10; i++) | |
{ | |
pthread_attr_t attr; | |
cpu_set_t *cpuset = CPU_ALLOC (512); | |
size_t cpusetsize = CPU_ALLOC_SIZE (512); | |
CPU_ZERO_S (cpusetsize, cpuset); | |
RETURN_IF_FAIL (pthread_attr_init, &attr); | |
RETURN_IF_FAIL (pthread_attr_setaffinity_np, &attr, cpusetsize, cpuset); | |
CPU_FREE (cpuset); | |
cpuset = CPU_ALLOC (1); | |
cpusetsize = CPU_ALLOC_SIZE (1); | |
RETURN_IF_FAIL (pthread_attr_getaffinity_np, &attr, cpusetsize, cpuset); | |
CPU_FREE (cpuset); | |
} | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |