From 4c771a3b260116c59e606a6ebd68702072836481 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 28 Feb 2004 10:18:58 +0000 Subject: Update. 2004-02-27 Jakub Jelinek * sysdeps/unix/sysv/linux/sysconf.c: Include stdlib.h. --- nptl/tst-cond14.c | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 nptl/tst-cond14.c (limited to 'nptl/tst-cond14.c') diff --git a/nptl/tst-cond14.c b/nptl/tst-cond14.c new file mode 100644 index 0000000000..106fa8c219 --- /dev/null +++ b/nptl/tst-cond14.c @@ -0,0 +1,118 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 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. */ + +#include +#include +#include +#include +#include + + +static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; +static pthread_mutex_t mut = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; +static pthread_mutex_t mut2 = PTHREAD_MUTEX_INITIALIZER; + +static void * +tf (void *p) +{ + if (pthread_mutex_lock (&mut) != 0) + { + printf ("%s: 1st mutex_lock failed\n", __func__); + exit (1); + } + if (pthread_mutex_lock (&mut) != 0) + { + printf ("%s: 2nd mutex_lock failed\n", __func__); + exit (1); + } + if (pthread_mutex_lock (&mut) != 0) + { + printf ("%s: 3rd mutex_lock failed\n", __func__); + exit (1); + } + + if (pthread_mutex_unlock (&mut2) != 0) + { + printf ("%s: mutex_unlock failed\n", __func__); + exit (1); + } + + if (pthread_cond_wait (&cond, &mut) != 0) + { + printf ("%s: cond_wait failed\n", __func__); + exit (1); + } + + puts ("child: done"); + + return NULL; +} + + +static int +do_test (void) +{ + if (pthread_mutex_lock (&mut2) != 0) + { + puts ("1st mutex_lock failed"); + return 1; + } + + puts ("parent: create child"); + + pthread_t th; + int err = pthread_create (&th, NULL, tf, NULL); + if (err != 0) + { + printf ("parent: cannot create thread: %s\n", strerror (err)); + return 1; + } + + /* We have to synchronize with the child. */ + if (pthread_mutex_lock (&mut2) != 0) + { + puts ("2nd mutex_lock failed"); + return 1; + } + + /* Give the child to reach to pthread_cond_wait. */ + sleep (1); + + if (pthread_cond_signal (&cond) != 0) + { + puts ("cond_signal failed"); + return 1; + } + + err = pthread_join (th, NULL); + if (err != 0) + { + printf ("parent: failed to join: %s\n", strerror (err)); + return 1; + } + + puts ("done"); + + return 0; +} + + +#define TEST_FUNCTION do_test () +#define TIMEOUT 3 +#include "../test-skeleton.c" -- cgit v1.2.1