aboutsummaryrefslogtreecommitdiff
path: root/nptl/tst-default-attr.c
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/tst-default-attr.c')
-rw-r--r--nptl/tst-default-attr.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/nptl/tst-default-attr.c b/nptl/tst-default-attr.c
deleted file mode 100644
index eff703ca23..0000000000
--- a/nptl/tst-default-attr.c
+++ /dev/null
@@ -1,385 +0,0 @@
-/* Verify that pthread_[gs]etattr_default_np work correctly.
-
- Copyright (C) 2013-2017 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 <stdint.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stdbool.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 (*verify_result) (pthread_attr_t *);
-static size_t stacksize = 1024 * 1024;
-static size_t guardsize;
-static bool do_join = true;
-static int running = 0;
-static int detach_failed = 0;
-static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
-
-static void *
-thr (void *unused __attribute__ ((unused)))
-{
- pthread_attr_t attr;
- int ret;
-
- memset (&attr, 0xab, sizeof attr);
- /* To verify that the pthread_setattr_default_np worked. */
- if ((ret = pthread_getattr_default_np (&attr)) != 0)
- {
- printf ("pthread_getattr_default_np failed: %s\n", strerror (ret));
- goto out;
- }
-
- if ((ret = (*verify_result) (&attr)) != 0)
- goto out;
-
- memset (&attr, 0xab, sizeof attr);
- /* To verify that the attributes actually got applied. */
- if ((ret = pthread_getattr_np (pthread_self (), &attr)) != 0)
- {
- printf ("pthread_getattr_default_np failed: %s\n", strerror (ret));
- goto out;
- }
-
- ret = (*verify_result) (&attr);
-
-out:
- if (!do_join)
- {
- pthread_mutex_lock (&m);
- running--;
- pthread_cond_signal (&c);
- pthread_mutex_unlock (&m);
-
- detach_failed |= ret;
- }
-
- return (void *) (uintptr_t) ret;
-}
-
-static int
-run_threads (const pthread_attr_t *attr)
-{
- pthread_t t;
- void *tret = NULL;
-
- RETURN_IF_FAIL (pthread_setattr_default_np, attr);
-
- /* Run twice to ensure that the attributes do not get overwritten in the
- first run somehow. */
- for (int i = 0; i < 2; i++)
- {
- RETURN_IF_FAIL (pthread_create, &t, NULL, thr, NULL);
- if (do_join)
- RETURN_IF_FAIL (pthread_join, t, &tret);
- else
- {
- pthread_mutex_lock (&m);
- running++;
- pthread_mutex_unlock (&m);
- }
-
- if (tret != NULL)
- {
- puts ("Thread failed");
- return 1;
- }
- }
-
- /* Stay in sync for detached threads and get their status. */
- while (!do_join)
- {
- pthread_mutex_lock (&m);
- if (running == 0)
- {
- pthread_mutex_unlock (&m);
- break;
- }
- pthread_cond_wait (&c, &m);
- pthread_mutex_unlock (&m);
- }
-
- return 0;
-}
-
-static int
-verify_detach_result (pthread_attr_t *attr)
-{
- int state;
-
- RETURN_IF_FAIL (pthread_attr_getdetachstate, attr, &state);
-
- if (state != PTHREAD_CREATE_DETACHED)
- {
- puts ("failed to set detach state");
- return 1;
- }
-
- return 0;
-}
-
-static int
-do_detach_test (void)
-{
- pthread_attr_t attr;
-
- do_join = false;
- RETURN_IF_FAIL (pthread_attr_init, &attr);
- RETURN_IF_FAIL (pthread_attr_setdetachstate, &attr, PTHREAD_CREATE_DETACHED);
-
- RETURN_IF_FAIL (run_threads, &attr);
- return detach_failed;
-}
-
-static int
-verify_affinity_result (pthread_attr_t *attr)
-{
- cpu_set_t cpuset;
-
- RETURN_IF_FAIL (pthread_attr_getaffinity_np, attr, sizeof (cpuset), &cpuset);
- if (!CPU_ISSET (0, &cpuset))
- {
- puts ("failed to set cpu affinity");
- return 1;
- }
-
- return 0;
-}
-
-static int
-do_affinity_test (void)
-{
- pthread_attr_t attr;
-
- RETURN_IF_FAIL (pthread_attr_init, &attr);
-
- /* Processor affinity. Like scheduling policy, this could fail if the user
- does not have the necessary privileges. So we only spew a warning if
- pthread_create fails with EPERM. A computer has at least one CPU. */
- cpu_set_t cpuset;
- CPU_ZERO (&cpuset);
- CPU_SET (0, &cpuset);
- RETURN_IF_FAIL (pthread_attr_setaffinity_np, &attr, sizeof (cpuset), &cpuset);
-
- int ret = run_threads (&attr);
-
- if (ret == EPERM)
- {
- printf ("Skipping CPU Affinity test: %s\n", strerror (ret));
- return 0;
- }
- else if (ret != 0)
- return ret;
-
- return 0;
-}
-
-static int
-verify_sched_result (pthread_attr_t *attr)
-{
- int inherited, policy;
- struct sched_param param;
-
- RETURN_IF_FAIL (pthread_attr_getinheritsched, attr, &inherited);
- if (inherited != PTHREAD_EXPLICIT_SCHED)
- {
- puts ("failed to set EXPLICIT_SCHED (%d != %d)");
- return 1;
- }
-
- RETURN_IF_FAIL (pthread_attr_getschedpolicy, attr, &policy);
- if (policy != SCHED_RR)
- {
- printf ("failed to set SCHED_RR (%d != %d)\n", policy, SCHED_RR);
- return 1;
- }
-
- RETURN_IF_FAIL (pthread_attr_getschedparam, attr, &param);
- if (param.sched_priority != 42)
- {
- printf ("failed to set sched_priority (%d != %d)\n",
- param.sched_priority, 42);
- return 1;
- }
-
- return 0;
-}
-
-static int
-do_sched_test (void)
-{
- pthread_attr_t attr;
-
- RETURN_IF_FAIL (pthread_attr_init, &attr);
-
- /* Scheduling policy. Note that we don't always test these since it's
- possible that the user the tests run as don't have the appropriate
- privileges. */
- RETURN_IF_FAIL (pthread_attr_setinheritsched, &attr, PTHREAD_EXPLICIT_SCHED);
- RETURN_IF_FAIL (pthread_attr_setschedpolicy, &attr, SCHED_RR);
-
- struct sched_param param;
- param.sched_priority = 42;
- RETURN_IF_FAIL (pthread_attr_setschedparam, &attr, &param);
-
- int ret = run_threads (&attr);
-
- if (ret == EPERM)
- {
- printf ("Skipping Scheduler Attributes test: %s\n", strerror (ret));
- return 0;
- }
- else if (ret != 0)
- return ret;
-
- return 0;
-}
-
-static int
-verify_guardsize_result (pthread_attr_t *attr)
-{
- size_t guard;
-
- RETURN_IF_FAIL (pthread_attr_getguardsize, attr, &guard);
-
- if (guardsize != guard)
- {
- printf ("failed to set guardsize (%zu, %zu)\n", guardsize, guard);
- return 1;
- }
-
- return 0;
-}
-
-static int
-do_guardsize_test (void)
-{
- long int pagesize = sysconf (_SC_PAGESIZE);
- pthread_attr_t attr;
-
- if (pagesize < 0)
- {
- printf ("sysconf failed: %s\n", strerror (errno));
- return 1;
- }
-
- RETURN_IF_FAIL (pthread_getattr_default_np, &attr);
-
- /* Increase default guardsize by a page. */
- RETURN_IF_FAIL (pthread_attr_getguardsize, &attr, &guardsize);
- guardsize += pagesize;
- RETURN_IF_FAIL (pthread_attr_setguardsize, &attr, guardsize);
- RETURN_IF_FAIL (run_threads, &attr);
-
- return 0;
-}
-
-static int
-verify_stacksize_result (pthread_attr_t *attr)
-{
- size_t stack;
-
- RETURN_IF_FAIL (pthread_attr_getstacksize, attr, &stack);
-
- if (stacksize != stack)
- {
- printf ("failed to set default stacksize (%zu, %zu)\n", stacksize, stack);
- return 1;
- }
-
- return 0;
-}
-
-static int
-do_stacksize_test (void)
-{
- long int pagesize = sysconf (_SC_PAGESIZE);
- pthread_attr_t attr;
-
- if (pagesize < 0)
- {
- printf ("sysconf failed: %s\n", strerror (errno));
- return 1;
- }
-
- /* Perturb the size by a page so that we're not aligned on the 64K boundary.
- pthread_create does this perturbation on x86 to avoid causing the 64k
- aliasing conflict. We want to prevent pthread_create from doing that
- since it is not consistent for all architectures. */
- stacksize += pagesize;
-
- RETURN_IF_FAIL (pthread_attr_init, &attr);
-
- /* Run twice to ensure that we don't give a false positive. */
- RETURN_IF_FAIL (pthread_attr_setstacksize, &attr, stacksize);
- RETURN_IF_FAIL (run_threads, &attr);
- stacksize *= 2;
- RETURN_IF_FAIL (pthread_attr_setstacksize, &attr, stacksize);
- RETURN_IF_FAIL (run_threads, &attr);
- return 0;
-}
-
-/* We test each attribute separately because sched and affinity tests may need
- additional user privileges that may not be available during the test run.
- Each attribute test is a set of two functions, viz. a function to set the
- default attribute (do_foo_test) and another to verify its result
- (verify_foo_result). Each test spawns a thread and checks (1) if the
- attribute values were applied correctly and (2) if the change in the default
- value reflected. */
-static int
-do_test (void)
-{
- puts ("stacksize test");
- verify_result = verify_stacksize_result;
- RETURN_IF_FAIL (do_stacksize_test);
-
- puts ("guardsize test");
- verify_result = verify_guardsize_result;
- RETURN_IF_FAIL (do_guardsize_test);
-
- puts ("sched test");
- verify_result = verify_sched_result;
- RETURN_IF_FAIL (do_sched_test);
-
- puts ("affinity test");
- verify_result = verify_affinity_result;
- RETURN_IF_FAIL (do_affinity_test);
-
- puts ("detach test");
- verify_result = verify_detach_result;
- RETURN_IF_FAIL (do_detach_test);
-
- return 0;
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"