125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/* $NetBSD: t_status.c,v 1.2 2010/11/03 16:10:22 christos 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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* 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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__COPYRIGHT("@(#) Copyright (c) 2010\
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The NetBSD Foundation, inc. All rights reserved.");
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__RCSID("$NetBSD: t_status.c,v 1.2 2010/11/03 16:10:22 christos Exp $");
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#include <sys/resource.h>
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#include <sys/wait.h>
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#include <err.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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#include <string.h>
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#include <unistd.h>
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#include <atf-c.h>
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#define NUM 100
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static void *
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threadfunc(void *arg)
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{
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sleep(1000);
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return 0;
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}
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static int
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child(const int seed)
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{
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pthread_t thr[NUM];
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int i, j, res, errors;
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char nam[20];
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struct rlimit sl;
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srandom(seed);
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getrlimit(RLIMIT_STACK, &sl);
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errors = 0;
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for (i = 0; i < NUM; i++) {
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res = pthread_create(&thr[i], 0, threadfunc, 0);
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if (res)
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errx(1, "pthread_create iter %d: %s", i, strerror(res));
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for (j = 0; j <= i; j++) {
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res = pthread_getname_np(thr[j], nam, sizeof(nam));
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if (res) {
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warnx("getname(%d/%d): %s\n", i, j,
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strerror(res));
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errors++;
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}
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}
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if (errors)
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break;
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malloc((random() & 7) * sl.rlim_cur);
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}
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if (errors)
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printf("%d errors; seed was %d\n", errors, seed);
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return errors > 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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static void
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do_test(const int seed)
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{
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pid_t pid = fork();
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ATF_REQUIRE(pid != -1);
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if (pid == 0) {
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exit(child(seed));
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} else {
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int status;
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ATF_CHECK_EQ(pid, waitpid(pid, &status, 0));
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if (!(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS))
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atf_tc_fail_nonfatal("Check with seed %d failed", seed);
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}
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}
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ATF_TC(findthreads);
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ATF_TC_HEAD(findthreads, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests libpthread's ability to remember "
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"the tests it has created");
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}
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ATF_TC_BODY(findthreads, tc)
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{
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int i;
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for (i = 0; i < 100; i++)
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do_test(i);
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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, findthreads);
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return atf_no_error();
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}
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