339 lines
6.8 KiB
C
339 lines
6.8 KiB
C
/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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static pthread_mutex_t m1;
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static pthread_mutex_t m2;
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static pthread_barrier_t b;
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#ifndef LOCK
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# define LOCK(m) pthread_mutex_lock (m)
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#endif
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static void *
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tf (void *arg)
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{
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long int round = (long int) arg;
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if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
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{
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printf ("%ld: setcancelstate failed\n", round);
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exit (1);
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}
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int e = LOCK (&m1);
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if (e != 0)
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{
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printf ("%ld: child: mutex_lock m1 failed with error %d\n", round, e);
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exit (1);
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}
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e = LOCK (&m2);
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if (e != 0)
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{
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printf ("%ld: child: mutex_lock m2 failed with error %d\n", round, e);
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exit (1);
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}
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e = pthread_barrier_wait (&b);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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printf ("%ld: child: 1st barrier_wait failed\n", round);
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exit (1);
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}
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e = pthread_barrier_wait (&b);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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printf ("%ld: child: 2nd barrier_wait failed\n", round);
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exit (1);
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}
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pthread_testcancel ();
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printf ("%ld: testcancel returned\n", round);
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exit (1);
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}
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static int
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do_test (void)
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{
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#ifdef PREPARE_TMO
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PREPARE_TMO;
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#endif
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pthread_mutexattr_t a;
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if (pthread_mutexattr_init (&a) != 0)
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{
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puts ("mutexattr_init failed");
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return 1;
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}
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if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
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{
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puts ("mutexattr_setrobust failed");
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return 1;
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}
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#ifdef ENABLE_PI
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if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
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{
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puts ("pthread_mutexattr_setprotocol failed");
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return 1;
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}
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else
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{
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int e = pthread_mutex_init (&m1, &a);
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if (e == ENOTSUP)
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{
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puts ("PI robust mutexes not supported");
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return 0;
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}
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else if (e != 0)
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{
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puts ("mutex_init m1 failed");
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return 1;
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}
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pthread_mutex_destroy (&m1);
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}
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#endif
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#ifndef NOT_CONSISTENT
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if (pthread_mutex_init (&m1, &a) != 0)
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{
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puts ("mutex_init m1 failed");
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return 1;
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}
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if (pthread_mutex_init (&m2, &a) != 0)
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{
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puts ("mutex_init m2 failed");
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return 1;
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}
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#endif
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if (pthread_barrier_init (&b, NULL, 2) != 0)
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{
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puts ("barrier_init failed");
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return 1;
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}
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for (long int round = 1; round < 5; ++round)
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{
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#ifdef NOT_CONSISTENT
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if (pthread_mutex_init (&m1 , &a) != 0)
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{
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puts ("mutex_init m1 failed");
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return 1;
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}
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if (pthread_mutex_init (&m2 , &a) != 0)
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{
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puts ("mutex_init m2 failed");
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return 1;
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}
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#endif
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pthread_t th;
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if (pthread_create (&th, NULL, tf, (void *) round) != 0)
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{
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printf ("%ld: create failed\n", round);
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return 1;
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}
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int e = pthread_barrier_wait (&b);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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printf ("%ld: parent: 1st barrier_wait failed\n", round);
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return 1;
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}
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if (pthread_cancel (th) != 0)
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{
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printf ("%ld: cancel failed\n", round);
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return 1;
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}
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e = pthread_barrier_wait (&b);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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printf ("%ld: parent: 2nd barrier_wait failed\n", round);
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return 1;
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}
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#ifndef AFTER_JOIN
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if (round & 1)
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#endif
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{
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void *res;
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if (pthread_join (th, &res) != 0)
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{
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printf ("%ld: join failed\n", round);
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return 1;
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}
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if (res != PTHREAD_CANCELED)
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{
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printf ("%ld: thread not canceled\n", round);
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return 1;
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}
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}
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e = LOCK (&m1);
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if (e == 0)
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{
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printf ("%ld: parent: mutex_lock m1 succeeded\n", round);
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return 1;
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}
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if (e != EOWNERDEAD)
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{
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printf ("%ld: parent: mutex_lock m1 returned wrong code\n", round);
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return 1;
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}
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e = LOCK (&m2);
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if (e == 0)
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{
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printf ("%ld: parent: mutex_lock m2 succeeded\n", round);
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return 1;
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}
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if (e != EOWNERDEAD)
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{
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printf ("%ld: parent: mutex_lock m2 returned wrong code\n", round);
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return 1;
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}
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#ifndef AFTER_JOIN
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if ((round & 1) == 0)
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{
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void *res;
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if (pthread_join (th, &res) != 0)
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{
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printf ("%ld: join failed\n", round);
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return 1;
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}
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if (res != PTHREAD_CANCELED)
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{
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printf ("%ld: thread not canceled\n", round);
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return 1;
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}
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}
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#endif
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#ifndef NOT_CONSISTENT
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e = pthread_mutex_consistent_np (&m1);
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if (e != 0)
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{
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printf ("%ld: mutex_consistent m1 failed with error %d\n", round, e);
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return 1;
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}
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e = pthread_mutex_consistent_np (&m2);
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if (e != 0)
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{
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printf ("%ld: mutex_consistent m2 failed with error %d\n", round, e);
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return 1;
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}
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#endif
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e = pthread_mutex_unlock (&m1);
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if (e != 0)
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{
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printf ("%ld: mutex_unlock m1 failed with %d\n", round, e);
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return 1;
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}
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e = pthread_mutex_unlock (&m2);
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if (e != 0)
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{
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printf ("%ld: mutex_unlock m2 failed with %d\n", round, e);
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return 1;
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}
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#ifdef NOT_CONSISTENT
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e = LOCK (&m1);
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if (e == 0)
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{
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printf ("%ld: locking inconsistent mutex m1 succeeded\n", round);
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return 1;
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}
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if (e != ENOTRECOVERABLE)
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{
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printf ("%ld: locking inconsistent mutex m1 failed with error %d\n",
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round, e);
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return 1;
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}
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if (pthread_mutex_destroy (&m1) != 0)
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{
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puts ("mutex_destroy m1 failed");
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return 1;
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}
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e = LOCK (&m2);
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if (e == 0)
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{
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printf ("%ld: locking inconsistent mutex m2 succeeded\n", round);
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return 1;
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}
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if (e != ENOTRECOVERABLE)
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{
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printf ("%ld: locking inconsistent mutex m2 failed with error %d\n",
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round, e);
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return 1;
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}
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if (pthread_mutex_destroy (&m2) != 0)
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{
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puts ("mutex_destroy m2 failed");
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return 1;
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}
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#endif
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}
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#ifndef NOT_CONSISTENT
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if (pthread_mutex_destroy (&m1) != 0)
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{
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puts ("mutex_destroy m1 failed");
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return 1;
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}
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if (pthread_mutex_destroy (&m2) != 0)
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{
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puts ("mutex_destroy m2 failed");
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return 1;
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}
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#endif
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if (pthread_mutexattr_destroy (&a) != 0)
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{
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puts ("mutexattr_destroy failed");
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return 1;
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}
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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