182 lines
4.2 KiB
C
182 lines
4.2 KiB
C
/* $NetBSD: t_join.c,v 1.8 2012/03/12 20:17:16 joerg Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jukka Ruohonen.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_join.c,v 1.8 2012/03/12 20:17:16 joerg Exp $");
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#include <errno.h>
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#include <pthread.h>
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#include <stdint.h>
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#include <atf-c.h>
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#ifdef __FreeBSD__
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#include <pthread_np.h>
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#endif
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#include "h_common.h"
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#ifdef CHECK_STACK_ALIGNMENT
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extern int check_stack_alignment(void);
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#endif
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#define STACKSIZE 65536
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static bool error;
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static void *threadfunc1(void *);
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static void *threadfunc2(void *);
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ATF_TC(pthread_join);
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ATF_TC_HEAD(pthread_join, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Checks basic error conditions in pthread_join(3)");
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}
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ATF_TC_BODY(pthread_join, tc)
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{
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pthread_t thread;
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PTHREAD_REQUIRE(pthread_create(&thread, NULL, threadfunc1, NULL));
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PTHREAD_REQUIRE(pthread_join(thread, NULL));
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}
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static void *
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threadfunc1(void *arg)
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{
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pthread_t thread[25];
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pthread_t caller;
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void *val = NULL;
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uintptr_t i;
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int rv;
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pthread_attr_t attr;
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caller = pthread_self();
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#ifdef CHECK_STACK_ALIGNMENT
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/*
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* Check alignment of thread stack, if supported.
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*/
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ATF_REQUIRE(check_stack_alignment());
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#endif
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/*
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* The behavior is undefined, but should error
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* out, if we try to join the calling thread.
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*/
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rv = pthread_join(caller, NULL);
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/*
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* The specification recommends EDEADLK.
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*/
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ATF_REQUIRE(rv != 0);
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ATF_REQUIRE_EQ(rv, EDEADLK);
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ATF_REQUIRE(pthread_attr_init(&attr) == 0);
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for (i = 0; i < __arraycount(thread); i++) {
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error = true;
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ATF_REQUIRE(pthread_attr_setstacksize(&attr, STACKSIZE * (i + 1)) == 0);
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rv = pthread_create(&thread[i], &attr, threadfunc2, (void *)i);
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ATF_REQUIRE_EQ(rv, 0);
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/*
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* Check join and exit condition.
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*/
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PTHREAD_REQUIRE(pthread_join(thread[i], &val));
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ATF_REQUIRE_EQ(error, false);
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ATF_REQUIRE(val != NULL);
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ATF_REQUIRE(val == (void *)(i + 1));
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/*
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* Once the thread has returned, ESRCH should
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* again follow if we try to join it again.
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*/
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rv = pthread_join(thread[i], NULL);
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ATF_REQUIRE_EQ(rv, ESRCH);
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/*
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* Try to detach the exited thread.
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*/
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rv = pthread_detach(thread[i]);
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ATF_REQUIRE(rv != 0);
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}
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ATF_REQUIRE(pthread_attr_destroy(&attr) == 0);
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pthread_exit(NULL);
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return NULL;
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}
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static void *
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threadfunc2(void *arg)
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{
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static uintptr_t i = 0;
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uintptr_t j;
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pthread_attr_t attr;
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size_t stacksize;
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j = (uintptr_t)arg;
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#ifdef __FreeBSD__
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pthread_attr_init(&attr);
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#endif
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ATF_REQUIRE(pthread_attr_get_np(pthread_self(), &attr) == 0);
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ATF_REQUIRE(pthread_attr_getstacksize(&attr, &stacksize) == 0);
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ATF_REQUIRE(stacksize == STACKSIZE * (j + 1));
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ATF_REQUIRE(pthread_attr_destroy(&attr) == 0);
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if (i++ == j)
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error = false;
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pthread_exit((void *)i);
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return NULL;
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, pthread_join);
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return atf_no_error();
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}
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