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Diffstat (limited to 'nptl/tst-once2.c')
-rw-r--r-- | nptl/tst-once2.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/nptl/tst-once2.c b/nptl/tst-once2.c new file mode 100644 index 0000000..3fbc4a9 --- /dev/null +++ b/nptl/tst-once2.c @@ -0,0 +1,85 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + 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 <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + + +#define N 100 + +static pthread_once_t once = PTHREAD_ONCE_INIT; + +static int global; + +static void +once_handler (void) +{ + struct timespec ts; + + ++global; + + ts.tv_sec = 2; + ts.tv_nsec = 0; + nanosleep (&ts, NULL); +} + + +static void * +tf (void *arg) +{ + pthread_once (&once, once_handler); + + if (global != 1) + { + printf ("thread %ld: global == %d\n", (long int) arg, global); + exit (1); + } + + return NULL; +} + + +static int +do_test (void) +{ + pthread_t th[N]; + int cnt; + + for (cnt = 0; cnt < N; ++cnt) + if (pthread_create (&th[cnt], NULL, tf, (void *) (long int) cnt) != 0) + { + printf ("creation of thread %d failed\n", cnt); + return 1; + } + + for (cnt = 0; cnt < N; ++cnt) + if (pthread_join (th[cnt], NULL) != 0) + { + printf ("join of thread %d failed\n", cnt); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#define TIMEOUT 4 +#include "../test-skeleton.c" |