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/* Copyright (C) 2002 Free Software Foundation, Inc. |
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Copyright (C) International Business Machines Corp., 2010 |
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This file is part of the GNU C Library. |
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Contributed by Darren Hart <dvhltc@us.ibm.com>, 2010 |
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Based on test-cond1.c by Ulrich Drepper <drepper@redhat.com>, 2002. |
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|
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, write to the Free |
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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02111-1307 USA. */ |
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#include <error.h> |
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#include <pthread.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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static pthread_cond_t cond; |
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static pthread_mutex_t mut; |
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static void * |
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tf (void *p) |
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{ |
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int err; |
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err = pthread_mutex_lock (&mut); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "child: cannot get mutex"); |
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puts ("child: got mutex; signalling"); |
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pthread_cond_signal (&cond); |
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puts ("child: unlock"); |
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err = pthread_mutex_unlock (&mut); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "child: cannot unlock"); |
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puts ("child: done"); |
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return NULL; |
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} |
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static int |
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do_test (void) |
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{ |
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pthread_t th; |
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int err; |
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pthread_mutexattr_t ma; |
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pthread_condattr_t ca; |
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printf ("&cond = %p\n&mut = %p\n", &cond, &mut); |
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puts ("parent: setup condvar"); |
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err = pthread_condattr_init(&ca); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: failed to init condattr"); |
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err = pthread_condattr_setprotocol_np(&ca, PTHREAD_PRIO_INHERIT); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: failed to set condattr protocol"); |
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err = pthread_cond_init(&cond, &ca); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: failed to init condvar"); |
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puts ("parent: setup mutex"); |
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err = pthread_mutexattr_init(&ma); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: failed to init mutexattr"); |
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err = pthread_mutexattr_setprotocol(&ma, PTHREAD_PRIO_INHERIT); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: failed to set mutexattr protocol"); |
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err = pthread_mutex_init(&mut, &ma); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: failed to init mutex"); |
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puts ("parent: get mutex"); |
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err = pthread_mutex_lock (&mut); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: cannot get mutex"); |
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puts ("parent: create child"); |
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err = pthread_create (&th, NULL, tf, NULL); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: cannot create thread"); |
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puts ("parent: wait for condition"); |
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err = pthread_cond_wait (&cond, &mut); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: cannot wait fir signal"); |
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puts ("parent: got signal"); |
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err = pthread_join (th, NULL); |
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if (err != 0) |
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error (EXIT_FAILURE, err, "parent: failed to join"); |
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puts ("done"); |
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return 0; |
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} |
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#define TEST_FUNCTION do_test () |
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#include "../test-skeleton.c" |