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