164 lines
3.4 KiB
C
164 lines
3.4 KiB
C
/*
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*
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* Copyright (c) International Business Machines Corp., 2001
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* NAME
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* exit01.c
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*
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* DESCRIPTION
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* Check that exit returns the correct values to the waiting parent
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*
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* ALGORITHM
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* Fork a process that immediately calls exit() with a known
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* value. Check for that value in the parent.
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*
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* USAGE
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* exit01
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*
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* HISTORY
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* 07/2001 Ported by Wayne Boyer
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*
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* RESTRICTIONS
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* None
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*/
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#include <stdio.h>
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#include <signal.h>
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#include <errno.h>
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#include "test.h"
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#include "usctest.h"
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void cleanup(void);
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void setup(void);
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char *TCID = "exit01";
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int TST_TOTAL = 1;
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extern int Tst_count;
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main(int ac, char **av)
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{
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int pid, npid, sig, nsig, exno, nexno, status;
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int rval = 0;
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int lc; /* loop counter */
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const char *msg; /* message returned from parse_opts */
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/* parse standard options */
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if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){
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tst_brkm(TBROK, cleanup, "OPTION PARSIkNG ERROR - %s", msg);
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/*NOTREACHED*/
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}
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setup(); /* global setup for test */
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/* check looping state if -i option given */
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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/* reset Tst_count in case we are looping. */
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Tst_count = 0;
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sig = 0;
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exno = 1;
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if ((pid = fork()) == -1) {
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tst_brkm(TBROK, cleanup, "fork failed, errno=%d",
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errno, strerror(errno));
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}
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if (pid == 0) { /* parent */
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exit(exno);
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} else {
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sleep(1); /* let child start */
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npid = wait(&status);
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if (npid != pid) {
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tst_resm(TFAIL, "wait error: "
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"unexpected pid returned");
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rval = 1;
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}
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nsig = status % 256;
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/*
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* Check if the core dump bit has been set, bit # 7
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*/
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if (nsig >= 128) {
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nsig = nsig - 128;
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}
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/*
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* nsig is the signal number returned by wait
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*/
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if (nsig != sig) {
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tst_resm(TFAIL, "wait error: "
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"unexpected signal returned");
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rval = 1;
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}
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/*
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* nexno is the exit number returned by wait
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*/
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nexno = status / 256;
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if (nexno != exno) {
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tst_resm(TFAIL, "wait error: "
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"unexpected exit number returned");
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rval = 1;
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}
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}
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if (rval != 1) {
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tst_resm(TPASS, "exit() test PASSED");
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}
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}
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cleanup();
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/*NOTREACHED*/
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}
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/*
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* setup() - performs all ONE TIME setup for this test
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*/
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void
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setup()
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{
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/* capture signals */
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tst_sig(FORK, DEF_HANDLER, cleanup);
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umask(0);
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/* Pause if that option was specified */
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TEST_PAUSE;
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}
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/*
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* cleanup() - performs all ONE TIME cleanup for this test at completion or
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* premature exit.
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*/
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void
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cleanup()
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{
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/*
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* print timing stats if that option was specified.
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* print errno log if that option was specified.
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*/
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TEST_CLEANUP;
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/* exit with return code appropriate for results */
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tst_exit();
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}
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