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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /nptl/tst-robust1.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'nptl/tst-robust1.c')
-rw-r--r--nptl/tst-robust1.c339
1 files changed, 339 insertions, 0 deletions
diff --git a/nptl/tst-robust1.c b/nptl/tst-robust1.c
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+/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static pthread_mutex_t m1;
+static pthread_mutex_t m2;
+static pthread_barrier_t b;
+
+
+#ifndef LOCK
+# define LOCK(m) pthread_mutex_lock (m)
+#endif
+
+
+static void *
+tf (void *arg)
+{
+ long int round = (long int) arg;
+
+ if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
+ {
+ printf ("%ld: setcancelstate failed\n", round);
+ exit (1);
+ }
+
+ int e = LOCK (&m1);
+ if (e != 0)
+ {
+ printf ("%ld: child: mutex_lock m1 failed with error %d\n", round, e);
+ exit (1);
+ }
+
+ e = LOCK (&m2);
+ if (e != 0)
+ {
+ printf ("%ld: child: mutex_lock m2 failed with error %d\n", round, e);
+ exit (1);
+ }
+
+ e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("%ld: child: 1st barrier_wait failed\n", round);
+ exit (1);
+ }
+
+ e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("%ld: child: 2nd barrier_wait failed\n", round);
+ exit (1);
+ }
+
+ pthread_testcancel ();
+
+ printf ("%ld: testcancel returned\n", round);
+ exit (1);
+}
+
+
+static int
+do_test (void)
+{
+#ifdef PREPARE_TMO
+ PREPARE_TMO;
+#endif
+
+ pthread_mutexattr_t a;
+ if (pthread_mutexattr_init (&a) != 0)
+ {
+ puts ("mutexattr_init failed");
+ return 1;
+ }
+ if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
+ {
+ puts ("mutexattr_setrobust failed");
+ return 1;
+ }
+
+#ifdef ENABLE_PI
+ if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
+ {
+ puts ("pthread_mutexattr_setprotocol failed");
+ return 1;
+ }
+ else
+ {
+ int e = pthread_mutex_init (&m1, &a);
+ if (e == ENOTSUP)
+ {
+ puts ("PI robust mutexes not supported");
+ return 0;
+ }
+ else if (e != 0)
+ {
+ puts ("mutex_init m1 failed");
+ return 1;
+ }
+ pthread_mutex_destroy (&m1);
+ }
+#endif
+
+#ifndef NOT_CONSISTENT
+ if (pthread_mutex_init (&m1, &a) != 0)
+ {
+ puts ("mutex_init m1 failed");
+ return 1;
+ }
+
+ if (pthread_mutex_init (&m2, &a) != 0)
+ {
+ puts ("mutex_init m2 failed");
+ return 1;
+ }
+#endif
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ return 1;
+ }
+
+ for (long int round = 1; round < 5; ++round)
+ {
+#ifdef NOT_CONSISTENT
+ if (pthread_mutex_init (&m1 , &a) != 0)
+ {
+ puts ("mutex_init m1 failed");
+ return 1;
+ }
+ if (pthread_mutex_init (&m2 , &a) != 0)
+ {
+ puts ("mutex_init m2 failed");
+ return 1;
+ }
+#endif
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, (void *) round) != 0)
+ {
+ printf ("%ld: create failed\n", round);
+ return 1;
+ }
+
+ int e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("%ld: parent: 1st barrier_wait failed\n", round);
+ return 1;
+ }
+
+ if (pthread_cancel (th) != 0)
+ {
+ printf ("%ld: cancel failed\n", round);
+ return 1;
+ }
+
+ e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("%ld: parent: 2nd barrier_wait failed\n", round);
+ return 1;
+ }
+
+#ifndef AFTER_JOIN
+ if (round & 1)
+#endif
+ {
+ void *res;
+ if (pthread_join (th, &res) != 0)
+ {
+ printf ("%ld: join failed\n", round);
+ return 1;
+ }
+ if (res != PTHREAD_CANCELED)
+ {
+ printf ("%ld: thread not canceled\n", round);
+ return 1;
+ }
+ }
+
+ e = LOCK (&m1);
+ if (e == 0)
+ {
+ printf ("%ld: parent: mutex_lock m1 succeeded\n", round);
+ return 1;
+ }
+ if (e != EOWNERDEAD)
+ {
+ printf ("%ld: parent: mutex_lock m1 returned wrong code\n", round);
+ return 1;
+ }
+
+ e = LOCK (&m2);
+ if (e == 0)
+ {
+ printf ("%ld: parent: mutex_lock m2 succeeded\n", round);
+ return 1;
+ }
+ if (e != EOWNERDEAD)
+ {
+ printf ("%ld: parent: mutex_lock m2 returned wrong code\n", round);
+ return 1;
+ }
+
+#ifndef AFTER_JOIN
+ if ((round & 1) == 0)
+ {
+ void *res;
+ if (pthread_join (th, &res) != 0)
+ {
+ printf ("%ld: join failed\n", round);
+ return 1;
+ }
+ if (res != PTHREAD_CANCELED)
+ {
+ printf ("%ld: thread not canceled\n", round);
+ return 1;
+ }
+ }
+#endif
+
+#ifndef NOT_CONSISTENT
+ e = pthread_mutex_consistent_np (&m1);
+ if (e != 0)
+ {
+ printf ("%ld: mutex_consistent m1 failed with error %d\n", round, e);
+ return 1;
+ }
+
+ e = pthread_mutex_consistent_np (&m2);
+ if (e != 0)
+ {
+ printf ("%ld: mutex_consistent m2 failed with error %d\n", round, e);
+ return 1;
+ }
+#endif
+
+ e = pthread_mutex_unlock (&m1);
+ if (e != 0)
+ {
+ printf ("%ld: mutex_unlock m1 failed with %d\n", round, e);
+ return 1;
+ }
+
+ e = pthread_mutex_unlock (&m2);
+ if (e != 0)
+ {
+ printf ("%ld: mutex_unlock m2 failed with %d\n", round, e);
+ return 1;
+ }
+
+#ifdef NOT_CONSISTENT
+ e = LOCK (&m1);
+ if (e == 0)
+ {
+ printf ("%ld: locking inconsistent mutex m1 succeeded\n", round);
+ return 1;
+ }
+ if (e != ENOTRECOVERABLE)
+ {
+ printf ("%ld: locking inconsistent mutex m1 failed with error %d\n",
+ round, e);
+ return 1;
+ }
+
+ if (pthread_mutex_destroy (&m1) != 0)
+ {
+ puts ("mutex_destroy m1 failed");
+ return 1;
+ }
+
+ e = LOCK (&m2);
+ if (e == 0)
+ {
+ printf ("%ld: locking inconsistent mutex m2 succeeded\n", round);
+ return 1;
+ }
+ if (e != ENOTRECOVERABLE)
+ {
+ printf ("%ld: locking inconsistent mutex m2 failed with error %d\n",
+ round, e);
+ return 1;
+ }
+
+ if (pthread_mutex_destroy (&m2) != 0)
+ {
+ puts ("mutex_destroy m2 failed");
+ return 1;
+ }
+#endif
+ }
+
+#ifndef NOT_CONSISTENT
+ if (pthread_mutex_destroy (&m1) != 0)
+ {
+ puts ("mutex_destroy m1 failed");
+ return 1;
+ }
+
+ if (pthread_mutex_destroy (&m2) != 0)
+ {
+ puts ("mutex_destroy m2 failed");
+ return 1;
+ }
+#endif
+
+ if (pthread_mutexattr_destroy (&a) != 0)
+ {
+ puts ("mutexattr_destroy failed");
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"