minix/tests/lib/libc/sys/t_getsid.c

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/* $NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $");
#include <sys/wait.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <atf-c.h>
ATF_TC(getsid_current);
ATF_TC_HEAD(getsid_current, tc)
{
atf_tc_set_md_var(tc, "descr", "Test getsid(0)");
}
ATF_TC_BODY(getsid_current, tc)
{
pid_t sid;
sid = getsid(0);
ATF_REQUIRE(sid != -1);
if (sid != getsid(getpid()))
atf_tc_fail("getsid(0) did not match the calling process");
}
ATF_TC(getsid_err);
ATF_TC_HEAD(getsid_err, tc)
{
atf_tc_set_md_var(tc, "descr", "Test error conditions in getsid(2)");
}
ATF_TC_BODY(getsid_err, tc)
{
errno = 0;
ATF_REQUIRE(getsid(-1) == -1);
ATF_REQUIRE(errno == ESRCH);
}
ATF_TC(getsid_process);
ATF_TC_HEAD(getsid_process, tc)
{
atf_tc_set_md_var(tc, "descr", "Test getsid(2) with processes");
}
ATF_TC_BODY(getsid_process, tc)
{
pid_t csid, pid, ppid, sid;
int sta;
sid = getsid(0);
pid = fork();
ATF_REQUIRE(pid >= 0);
ATF_REQUIRE(sid != -1);
if (pid == 0) {
csid = getsid(0);
ppid = getppid();
if (sid != csid)
_exit(EXIT_FAILURE);
if (getsid(ppid) != csid)
_exit(EXIT_FAILURE);
_exit(EXIT_SUCCESS);
}
(void)wait(&sta);
if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
atf_tc_fail("invalid session ID");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, getsid_current);
ATF_TP_ADD_TC(tp, getsid_err);
ATF_TP_ADD_TC(tp, getsid_process);
return atf_no_error();
}