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nptl: Add pthread_attr_setaffinity_np failure test

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It checks whether an invalid affinity mask does return an error,
similar to what sysdeps/pthread/tst-bad-schedattr.c does for
pthread_attr_setschedparam.

Checked on x86_64-linux-gnu.
This commit is contained in:
Adhemerval Zanella 2021-05-24 13:47:10 -03:00
parent d85ad0e58a
commit 2c44452b61
2 changed files with 60 additions and 0 deletions
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1
nptl/Makefile
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@ -286,6 +286,7 @@ tests = tst-attr2 tst-attr3 tst-default-attr \
tst-exec4 tst-exec5 \
tst-stack2 tst-stack3 tst-stack4 \
tst-pthread-attr-affinity \
tst-pthread-attr-affinity-fail \
tst-dlsym1 \
tst-context1 \
tst-sched1 \

59
nptl/tst-pthread-attr-affinity-fail.c Normal file
View file

@ -0,0 +1,59 @@
/* Check if invalid pthread_attr_getaffinity_np does not run any code
in the thread function.
Copyright (C) 2021 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <support/check.h>
#include <support/xunistd.h>
#include <support/xthread.h>
#include <stdlib.h>
static void *
thr_func (void *arg)
{
abort ();
return NULL;
}
static int
do_test (void)
{
int max_cpu = xsysconf (_SC_NPROCESSORS_CONF) + 1;
/* Set a affinity mask with an invalid CPU. */
cpu_set_t *cpuset = CPU_ALLOC (max_cpu);
TEST_VERIFY_EXIT (cpuset != NULL);
size_t cpusetsize = CPU_ALLOC_SIZE (max_cpu);
CPU_ZERO_S (cpusetsize, cpuset);
CPU_SET_S (max_cpu, cpusetsize, cpuset);
/* Check if the affinity mask does trigger an error. */
TEST_COMPARE (sched_setaffinity (0, cpusetsize, cpuset), -1);
TEST_COMPARE (errno, EINVAL);
pthread_attr_t attr;
xpthread_attr_init (&attr);
xpthread_attr_setaffinity_np (&attr, cpusetsize, cpuset);
pthread_t thr;
TEST_COMPARE (pthread_create (&thr, &attr, thr_func, NULL), EINVAL);
xpthread_attr_destroy (&attr);
return 0;
}
#include <support/test-driver.c>