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Diffstat (limited to 'test/nptl/tst-barrier4.c')
-rw-r--r-- | test/nptl/tst-barrier4.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/test/nptl/tst-barrier4.c b/test/nptl/tst-barrier4.c new file mode 100644 index 000000000..efc27551c --- /dev/null +++ b/test/nptl/tst-barrier4.c @@ -0,0 +1,122 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. + + 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. */ + +/* This is a test for behavior not guaranteed by POSIX. */ +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> + + +static pthread_barrier_t b1; +static pthread_barrier_t b2; + + +#define N 20 + +static void * +tf (void *arg) +{ + int round = 0; + + while (round++ < 30) + { + if (pthread_barrier_wait (&b1) == PTHREAD_BARRIER_SERIAL_THREAD) + { + pthread_barrier_destroy (&b1); + if (pthread_barrier_init (&b1, NULL, N) != 0) + { + puts ("tf: 1st barrier_init failed"); + exit (1); + } + } + + if (pthread_barrier_wait (&b2) == PTHREAD_BARRIER_SERIAL_THREAD) + { + pthread_barrier_destroy (&b2); + if (pthread_barrier_init (&b2, NULL, N) != 0) + { + puts ("tf: 2nd barrier_init failed"); + exit (1); + } + } + } + + return NULL; +} + + +static int +do_test (void) +{ + pthread_attr_t at; + int cnt; + + 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; + } + + if (pthread_barrier_init (&b1, NULL, N) != 0) + { + puts ("1st barrier_init failed"); + return 1; + } + + if (pthread_barrier_init (&b2, NULL, N) != 0) + { + puts ("2nd barrier_init failed"); + return 1; + } + + pthread_t th[N - 1]; + for (cnt = 0; cnt < N - 1; ++cnt) + if (pthread_create (&th[cnt], &at, tf, NULL) != 0) + { + puts ("pthread_create failed"); + return 1; + } + + if (pthread_attr_destroy (&at) != 0) + { + puts ("attr_destroy failed"); + return 1; + } + + tf (NULL); + + for (cnt = 0; cnt < N - 1; ++cnt) + if (pthread_join (th[cnt], NULL) != 0) + { + puts ("pthread_join failed"); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |