freebsd-dev/lib/libc/tests/gen/posix_spawn_test.c

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/*-
* Copyright (c) 2011 Jilles Tjoelker
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*/
/*
* Test program for posix_spawn() and posix_spawnp() as specified by
* IEEE Std. 1003.1-2008.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/wait.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <spawn.h>
#include <atf-c.h>
char *myenv[2] = { "answer=42", NULL };
ATF_TC_WITHOUT_HEAD(posix_spawn_simple_test);
ATF_TC_BODY(posix_spawn_simple_test, tc)
{
char *myargs[4];
int error, status;
pid_t pid, waitres;
/* Make sure we have no child processes. */
while (waitpid(-1, NULL, 0) != -1)
;
ATF_REQUIRE_MSG(errno == ECHILD, "errno was not ECHILD: %d", errno);
/* Simple test. */
myargs[0] = "sh";
myargs[1] = "-c";
myargs[2] = "exit $answer";
myargs[3] = NULL;
error = posix_spawnp(&pid, myargs[0], NULL, NULL, myargs, myenv);
ATF_REQUIRE(error == 0);
waitres = waitpid(pid, &status, 0);
ATF_REQUIRE(waitres == pid);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 42);
}
ATF_TC_WITHOUT_HEAD(posix_spawn_no_such_command_negative_test);
ATF_TC_BODY(posix_spawn_no_such_command_negative_test, tc)
{
char *myargs[4];
int error, status;
pid_t pid, waitres;
/*
* If the executable does not exist, the function shall either fail
* and not create a child process or succeed and create a child
* process that exits with status 127.
*/
myargs[0] = "/var/empty/nonexistent";
myargs[1] = NULL;
error = posix_spawn(&pid, myargs[0], NULL, NULL, myargs, myenv);
if (error == 0) {
waitres = waitpid(pid, &status, 0);
ATF_REQUIRE(waitres == pid);
ATF_REQUIRE(WIFEXITED(status) && WEXITSTATUS(status) == 127);
} else {
ATF_REQUIRE(error == ENOENT);
waitres = waitpid(-1, NULL, 0);
ATF_REQUIRE(waitres == -1 && errno == ECHILD);
}
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, posix_spawn_simple_test);
ATF_TP_ADD_TC(tp, posix_spawn_no_such_command_negative_test);
return (atf_no_error());
}