135 lines
3.1 KiB
C
135 lines
3.1 KiB
C
/* $NetBSD: t_getpid.c,v 1.2 2011/04/04 10:30:29 jruoho Exp $ */
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/*-
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* Copyright (c) 2011 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_getpid.c,v 1.2 2011/04/04 10:30:29 jruoho Exp $");
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#include <sys/wait.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <atf-c.h>
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static int maxiter = 10;
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static void *threadfunc(void *);
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static void *
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threadfunc(void *arg)
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{
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*(pid_t *)arg = getpid();
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return NULL;
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}
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ATF_TC(getpid_process);
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ATF_TC_HEAD(getpid_process, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test getpid(2) with processes");
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}
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ATF_TC_BODY(getpid_process, tc)
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{
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pid_t ppid, fpid, cpid, tpid, wpid;
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int i, sta;
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for (i = 0; i < maxiter; i++) {
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tpid = getpid();
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fpid = fork();
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ATF_REQUIRE(fpid >= 0);
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if (fpid == 0) {
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cpid = getpid();
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ppid = getppid();
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if (tpid != ppid)
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_exit(EXIT_FAILURE);
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if (cpid == ppid)
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_exit(EXIT_FAILURE);
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if (tpid == fpid)
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_exit(EXIT_FAILURE);
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_exit(EXIT_SUCCESS);
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}
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wpid = wait(&sta);
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if (wpid != fpid)
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atf_tc_fail("PID mismatch");
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ATF_REQUIRE(WIFEXITED(sta) != 0);
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if (WEXITSTATUS(sta) != EXIT_SUCCESS)
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atf_tc_fail("PID mismatch");
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}
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}
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ATF_TC(getpid_thread);
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ATF_TC_HEAD(getpid_thread, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test getpid(2) with threads");
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}
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ATF_TC_BODY(getpid_thread, tc)
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{
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pid_t pid, tpid;
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pthread_t tid;
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int i, rv;
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for (i = 0; i < maxiter; i++) {
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pid = getpid();
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rv = pthread_create(&tid, NULL, threadfunc, &tpid);
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ATF_REQUIRE(rv == 0);
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rv = pthread_join(tid, NULL);
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ATF_REQUIRE(rv == 0);
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if (pid != tpid)
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atf_tc_fail("Unequal PIDs");
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}
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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, getpid_process);
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ATF_TP_ADD_TC(tp, getpid_thread);
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return atf_no_error();
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}
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