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-rw-r--r--nptl/tst-mutex8.c435
1 files changed, 0 insertions, 435 deletions
diff --git a/nptl/tst-mutex8.c b/nptl/tst-mutex8.c
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index 8e56ea5..0000000
--- a/nptl/tst-mutex8.c
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@@ -1,435 +0,0 @@
-/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
-
- 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/>. */
-
-/* This test checks behavior not required by POSIX. */
-#include <errno.h>
-#include <pthread.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <elf/dl-tunables.h>
-
-static pthread_mutex_t *m;
-static pthread_barrier_t b;
-static pthread_cond_t c;
-static bool done;
-
-
-static void
-cl (void *arg)
-{
- if (pthread_mutex_unlock (m) != 0)
- {
- puts ("cl: mutex_unlocked failed");
- exit (1);
- }
-}
-
-
-static void *
-tf (void *arg)
-{
- if (pthread_mutex_lock (m) != 0)
- {
- puts ("tf: mutex_lock failed");
- return (void *) 1l;
- }
-
- int e = pthread_barrier_wait (&b);
- if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
- {
- puts ("barrier_wait failed");
- return (void *) 1l;
- }
-
- if (arg == NULL)
- do
- if (pthread_cond_wait (&c, m) != 0)
- {
- puts ("tf: cond_wait failed");
- return (void *) 1l;
- }
- while (! done);
- else
- do
- {
- pthread_cleanup_push (cl, NULL);
-
- if (pthread_cond_wait (&c, m) != 0)
- {
- puts ("tf: cond_wait failed");
- return (void *) 1l;
- }
-
- pthread_cleanup_pop (0);
- }
- while (! done);
-
- if (pthread_mutex_unlock (m) != 0)
- {
- puts ("tf: mutex_unlock failed");
- return (void *) 1l;
- }
-
- return NULL;
-}
-
-
-static int
-check_type (const char *mas, pthread_mutexattr_t *ma)
-{
- int e;
-
- /* Check if a mutex will be elided. Lock elision can only be activated via
- the tunables framework. By default, lock elision is disabled. */
- bool assume_elided_mutex = false;
-#if HAVE_TUNABLES
- int ma_type = PTHREAD_MUTEX_TIMED_NP;
- if (ma != NULL)
- {
- e = pthread_mutexattr_gettype (ma, &ma_type);
- if (e != 0)
- {
- printf ("pthread_mutexattr_gettype failed with %d (%m)\n", e);
- return 1;
- }
- }
- if (ma_type == PTHREAD_MUTEX_TIMED_NP)
- {
- /* This type of mutex can be elided if elision is enabled via the tunables
- framework. Some tests below are failing if the mutex is elided.
- Thus we only run those if we assume that the mutex won't be elided. */
- if (TUNABLE_GET_FULL (glibc, elision, enable, int32_t, NULL) == 1)
- assume_elided_mutex = true;
- }
-#endif
-
- e = pthread_mutex_init (m, ma);
- if (e != 0)
- {
-#ifdef ENABLE_PI
- if (e == ENOTSUP)
- {
- puts ("PI mutexes unsupported");
- return 0;
- }
-#endif
- printf ("1st mutex_init failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_mutex_destroy (m) != 0)
- {
- printf ("immediate mutex_destroy failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_mutex_init (m, ma) != 0)
- {
- printf ("2nd mutex_init failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_mutex_lock (m) != 0)
- {
- printf ("1st mutex_lock failed for %s\n", mas);
- return 1;
- }
-
- /* Elided mutexes don't fail destroy, thus only test this if we don't assume
- elision. */
- if (assume_elided_mutex == false)
- {
- e = pthread_mutex_destroy (m);
- if (e == 0)
- {
- printf ("mutex_destroy of self-locked mutex succeeded for %s\n", mas);
- return 1;
- }
- if (e != EBUSY)
- {
- printf ("\
-mutex_destroy of self-locked mutex did not return EBUSY %s\n",
- mas);
- return 1;
- }
- }
-
- if (pthread_mutex_unlock (m) != 0)
- {
- printf ("1st mutex_unlock failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_mutex_trylock (m) != 0)
- {
- printf ("mutex_trylock failed for %s\n", mas);
- return 1;
- }
-
- /* Elided mutexes don't fail destroy. */
- if (assume_elided_mutex == false)
- {
- e = pthread_mutex_destroy (m);
- if (e == 0)
- {
- printf ("mutex_destroy of self-trylocked mutex succeeded for %s\n",
- mas);
- return 1;
- }
- if (e != EBUSY)
- {
- printf ("\
-mutex_destroy of self-trylocked mutex did not return EBUSY %s\n",
- mas);
- return 1;
- }
- }
-
- if (pthread_mutex_unlock (m) != 0)
- {
- printf ("2nd mutex_unlock failed for %s\n", mas);
- return 1;
- }
-
- pthread_t th;
- if (pthread_create (&th, NULL, tf, NULL) != 0)
- {
- puts ("1st create failed");
- return 1;
- }
- done = false;
-
- e = pthread_barrier_wait (&b);
- if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
- {
- puts ("1st barrier_wait failed");
- return 1;
- }
-
- if (pthread_mutex_lock (m) != 0)
- {
- printf ("2nd mutex_lock failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_mutex_unlock (m) != 0)
- {
- printf ("3rd mutex_unlock failed for %s\n", mas);
- return 1;
- }
-
- /* Elided mutexes don't fail destroy. */
- if (assume_elided_mutex == false)
- {
- e = pthread_mutex_destroy (m);
- if (e == 0)
- {
- printf ("mutex_destroy of condvar-used mutex succeeded for %s\n",
- mas);
- return 1;
- }
- if (e != EBUSY)
- {
- printf ("\
-mutex_destroy of condvar-used mutex did not return EBUSY for %s\n", mas);
- return 1;
- }
- }
-
- done = true;
- if (pthread_cond_signal (&c) != 0)
- {
- puts ("cond_signal failed");
- return 1;
- }
-
- void *r;
- if (pthread_join (th, &r) != 0)
- {
- puts ("join failed");
- return 1;
- }
- if (r != NULL)
- {
- puts ("thread didn't return NULL");
- return 1;
- }
-
- if (pthread_mutex_destroy (m) != 0)
- {
- printf ("mutex_destroy after condvar-use failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_mutex_init (m, ma) != 0)
- {
- printf ("3rd mutex_init failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_create (&th, NULL, tf, (void *) 1) != 0)
- {
- puts ("2nd create failed");
- return 1;
- }
- done = false;
-
- e = pthread_barrier_wait (&b);
- if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
- {
- puts ("2nd barrier_wait failed");
- return 1;
- }
-
- if (pthread_mutex_lock (m) != 0)
- {
- printf ("3rd mutex_lock failed for %s\n", mas);
- return 1;
- }
-
- if (pthread_mutex_unlock (m) != 0)
- {
- printf ("4th mutex_unlock failed for %s\n", mas);
- return 1;
- }
-
- /* Elided mutexes don't fail destroy. */
- if (assume_elided_mutex == false)
- {
- e = pthread_mutex_destroy (m);
- if (e == 0)
- {
- printf ("2nd mutex_destroy of condvar-used mutex succeeded for %s\n",
- mas);
- return 1;
- }
- if (e != EBUSY)
- {
- printf ("\
-2nd mutex_destroy of condvar-used mutex did not return EBUSY for %s\n",
- mas);
- return 1;
- }
- }
-
- if (pthread_cancel (th) != 0)
- {
- puts ("cond_cancel failed");
- return 1;
- }
-
- if (pthread_join (th, &r) != 0)
- {
- puts ("join failed");
- return 1;
- }
- if (r != PTHREAD_CANCELED)
- {
- puts ("thread not canceled");
- return 1;
- }
-
- if (pthread_mutex_destroy (m) != 0)
- {
- printf ("mutex_destroy after condvar-canceled failed for %s\n", mas);
- return 1;
- }
-
- return 0;
-}
-
-
-static int
-do_test (void)
-{
- pthread_mutex_t mm;
- m = &mm;
-
- if (pthread_barrier_init (&b, NULL, 2) != 0)
- {
- puts ("barrier_init failed");
- return 1;
- }
-
- if (pthread_cond_init (&c, NULL) != 0)
- {
- puts ("cond_init failed");
- return 1;
- }
-
- puts ("check normal mutex");
- int res = check_type ("normal", NULL);
-
- pthread_mutexattr_t ma;
- if (pthread_mutexattr_init (&ma) != 0)
- {
- puts ("1st mutexattr_init failed");
- return 1;
- }
- if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_RECURSIVE) != 0)
- {
- puts ("1st mutexattr_settype failed");
- return 1;
- }
-#ifdef ENABLE_PI
- if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT))
- {
- puts ("1st pthread_mutexattr_setprotocol failed");
- return 1;
- }
-#endif
- puts ("check recursive mutex");
- res |= check_type ("recursive", &ma);
- if (pthread_mutexattr_destroy (&ma) != 0)
- {
- puts ("1st mutexattr_destroy failed");
- return 1;
- }
-
- if (pthread_mutexattr_init (&ma) != 0)
- {
- puts ("2nd mutexattr_init failed");
- return 1;
- }
- if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_ERRORCHECK) != 0)
- {
- puts ("2nd mutexattr_settype failed");
- return 1;
- }
-#ifdef ENABLE_PI
- if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT))
- {
- puts ("2nd pthread_mutexattr_setprotocol failed");
- return 1;
- }
-#endif
- puts ("check error-checking mutex");
- res |= check_type ("error-checking", &ma);
- if (pthread_mutexattr_destroy (&ma) != 0)
- {
- puts ("2nd mutexattr_destroy failed");
- return 1;
- }
-
- return res;
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
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