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Diffstat (limited to 'test/nptl/tst-cond10.c')
| -rw-r--r-- | test/nptl/tst-cond10.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/test/nptl/tst-cond10.c b/test/nptl/tst-cond10.c new file mode 100644 index 000000000..34956d468 --- /dev/null +++ b/test/nptl/tst-cond10.c @@ -0,0 +1,173 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + 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 <error.h> +#include <pthread.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> + + +#define N 10 +#define ROUNDS 100 + +static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; +static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; +static pthread_barrier_t bN1; +static pthread_barrier_t b2; + + +static void * +tf (void *p) +{ + if (pthread_mutex_lock (&mut) != 0) + { + puts ("child: 1st mutex_lock failed"); + exit (1); + } + + int e = pthread_barrier_wait (&b2); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("child: 1st barrier_wait failed"); + exit (1); + } + + if (pthread_cond_wait (&cond, &mut) != 0) + { + puts ("child: cond_wait failed"); + exit (1); + } + + if (pthread_mutex_unlock (&mut) != 0) + { + puts ("child: mutex_unlock failed"); + exit (1); + } + + e = pthread_barrier_wait (&bN1); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("child: 2nd barrier_wait failed"); + exit (1); + } + + return NULL; +} + + +static int +do_test (void) +{ + if (pthread_barrier_init (&bN1, NULL, N + 1) != 0) + { + puts ("barrier_init failed"); + exit (1); + } + + if (pthread_barrier_init (&b2, NULL, 2) != 0) + { + puts ("barrier_init failed"); + exit (1); + } + + pthread_attr_t at; + + if (pthread_attr_init (&at) != 0) + { + puts ("attr_init failed"); + return 1; + } + + if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) + { + puts ("attr_setstacksize failed"); + return 1; + } + + int r; + for (r = 0; r < ROUNDS; ++r) + { + printf ("round %d\n", r + 1); + + int i; + pthread_t th[N]; + for (i = 0; i < N; ++i) + { + if (pthread_create (&th[i], &at, tf, NULL) != 0) + { + puts ("create failed"); + exit (1); + } + + int e = pthread_barrier_wait (&b2); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("parent: 1st barrier_wait failed"); + exit (1); + } + } + + if (pthread_mutex_lock (&mut) != 0) + { + puts ("parent: mutex_lock failed"); + exit (1); + } + if (pthread_mutex_unlock (&mut) != 0) + { + puts ("parent: mutex_unlock failed"); + exit (1); + } + + /* N single signal calls. Without locking. This tests that no + signal gets lost. */ + for (i = 0; i < N; ++i) + if (pthread_cond_signal (&cond) != 0) + { + puts ("cond_signal failed"); + exit (1); + } + + int e = pthread_barrier_wait (&bN1); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("parent: 2nd barrier_wait failed"); + exit (1); + } + + for (i = 0; i < N; ++i) + if (pthread_join (th[i], NULL) != 0) + { + puts ("join failed"); + exit (1); + } + } + + if (pthread_attr_destroy (&at) != 0) + { + puts ("attr_destroy failed"); + return 1; + } + + return 0; +} + + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |