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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-robust7.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
2.5-18.1
Diffstat (limited to 'nptl/tst-robust7.c')
-rw-r--r--nptl/tst-robust7.c212
1 files changed, 212 insertions, 0 deletions
diff --git a/nptl/tst-robust7.c b/nptl/tst-robust7.c
new file mode 100644
index 0000000000..d0bc91cc8e
--- /dev/null
+++ b/nptl/tst-robust7.c
@@ -0,0 +1,212 @@
+/* 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 <stdbool.h>
+#include <stdio.h>
+
+
+static pthread_barrier_t b;
+static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
+static pthread_mutex_t m;
+static bool first = true;
+
+
+static void *
+tf (void *arg)
+{
+ long int n = (long int) arg;
+
+ if (pthread_mutex_lock (&m) != 0)
+ {
+ printf ("thread %ld: mutex_lock failed\n", n + 1);
+ exit (1);
+ }
+
+ int e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("thread %ld: barrier_wait failed\n", n + 1);
+ exit (1);
+ }
+
+ e = pthread_cond_wait (&c, &m);
+ if (first)
+ {
+ if (e != 0)
+ {
+ printf ("thread %ld: cond_wait failed\n", n + 1);
+ exit (1);
+ }
+ first = false;
+ }
+ else
+ {
+ if (e != EOWNERDEAD)
+ {
+ printf ("thread %ld: cond_wait did not return EOWNERDEAD\n", n + 1);
+ exit (1);
+ }
+ }
+
+ if (pthread_cancel (pthread_self ()) != 0)
+ {
+ printf ("thread %ld: cancel failed\n", n + 1);
+ exit (1);
+ }
+
+ pthread_testcancel ();
+
+ printf ("thread %ld: testcancel returned\n", n + 1);
+ exit (1);
+}
+
+
+static int
+do_test (void)
+{
+ 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;
+ }
+#endif
+
+ int e;
+ e = pthread_mutex_init (&m, &a);
+ if (e != 0)
+ {
+#ifdef ENABLE_PI
+ if (e == ENOTSUP)
+ {
+ puts ("PI robust mutexes not supported");
+ return 0;
+ }
+#endif
+ puts ("mutex_init failed");
+ return 1;
+ }
+
+ if (pthread_mutexattr_destroy (&a) != 0)
+ {
+ puts ("mutexattr_destroy failed");
+ return 1;
+ }
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ return 1;
+ }
+
+#define N 5
+ pthread_t th[N];
+ for (long int n = 0; n < N; ++n)
+ {
+ if (pthread_create (&th[n], NULL, tf, (void *) n) != 0)
+ {
+ printf ("pthread_create loop %ld failed\n", n + 1);
+ return 1;
+ }
+
+ e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ printf ("parent: barrier_wait failed in round %ld\n", n + 1);
+ return 1;
+ }
+ }
+
+ if (pthread_mutex_lock (&m) != 0)
+ {
+ puts ("parent: mutex_lock failed");
+ return 1;
+ }
+
+ if (pthread_mutex_unlock (&m) != 0)
+ {
+ puts ("parent: mutex_unlock failed");
+ return 1;
+ }
+
+ if (pthread_cond_broadcast (&c) != 0)
+ {
+ puts ("cond_broadcast failed");
+ return 1;
+ }
+
+ for (int n = 0; n < N; ++n)
+ {
+ void *res;
+ if (pthread_join (th[n], &res) != 0)
+ {
+ printf ("join round %d failed\n", n + 1);
+ return 1;
+ }
+ if (res != PTHREAD_CANCELED)
+ {
+ printf ("thread %d not canceled\n", n + 1);
+ return 1;
+ }
+ }
+
+ e = pthread_mutex_lock (&m);
+ if (e == 0)
+ {
+ puts ("parent: 2nd mutex_lock succeeded");
+ return 1;
+ }
+ if (e != EOWNERDEAD)
+ {
+ puts ("parent: mutex_lock did not return EOWNERDEAD");
+ return 1;
+ }
+
+ if (pthread_mutex_unlock (&m) != 0)
+ {
+ puts ("parent: 2nd mutex_unlock failed");
+ return 1;
+ }
+
+ if (pthread_mutex_destroy (&m) != 0)
+ {
+ puts ("mutex_destroy failed");
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"