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Diffstat (limited to 'nptl/tst-robust1.c')
| -rw-r--r-- | nptl/tst-robust1.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/nptl/tst-robust1.c b/nptl/tst-robust1.c new file mode 100644 index 0000000000..13267a5efd --- /dev/null +++ b/nptl/tst-robust1.c @@ -0,0 +1,245 @@ +/* Copyright (C) 2005 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 m; +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 (&m); + if (e != 0) + { + printf ("%ld: child: mutex_lock 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; + } +#ifndef NOT_CONSISTENT + if (pthread_mutex_init (&m, &a) != 0) + { + puts ("mutex_init 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 (&m, &a) != 0) + { + puts ("mutex_init 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 (&m); + if (e == 0) + { + printf ("%ld: parent: mutex_lock succeeded\n", round); + return 1; + } + if (e != EOWNERDEAD) + { + printf ("%ld: parent: mutex_lock 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 (&m); + if (e != 0) + { + printf ("%ld: mutex_consistent failed with error %d\n", round, e); + return 1; + } +#endif + + e = pthread_mutex_unlock (&m); + if (e != 0) + { + printf ("%ld: mutex_unlocked failed\n", round); + return 1; + } + +#ifdef NOT_CONSISTENT + e = LOCK (&m); + if (e == 0) + { + printf ("%ld: locking inconsistent mutex succeeded\n", round); + return 1; + } + if (e != ENOTRECOVERABLE) + { + printf ("%ld: locking inconsistent mutex failed with error %d\n", + round, e); + return 1; + } + + if (pthread_mutex_destroy (&m) != 0) + { + puts ("mutex_destroy failed"); + return 1; + } +#endif + } + +#ifndef NOT_CONSISTENT + if (pthread_mutex_destroy (&m) != 0) + { + puts ("mutex_destroy 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" |