diff options
Diffstat (limited to 'REORG.TODO/nptl/tst-robust7.c')
| -rw-r--r-- | REORG.TODO/nptl/tst-robust7.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/tst-robust7.c b/REORG.TODO/nptl/tst-robust7.c new file mode 100644 index 0000000000..6d414ad6f0 --- /dev/null +++ b/REORG.TODO/nptl/tst-robust7.c @@ -0,0 +1,212 @@ +/* Copyright (C) 2005-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <pthread.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.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" |