| /* |
| * |
| * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* |
| * NAME |
| * fork02.c |
| * |
| * DESCRIPTION |
| * Test correct operation of fork: |
| * pid == 0 in child; |
| * pid > 0 in parent from wait; |
| * |
| * ALGORITHM |
| * Fork one process, check for pid == 0 in child. |
| * Check for pid > 0 in parent after wait. |
| * |
| * USAGE |
| * fork02 |
| * |
| * HISTORY |
| * 07/2001 Ported by Wayne Boyer |
| * |
| * RESTRICTIONS |
| * None |
| */ |
| |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include "test.h" |
| #include "usctest.h" |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| char *TCID = "fork02"; |
| int TST_TOTAL = 1; |
| |
| int main(int ac, char **av) |
| { |
| int pid1, pid2, status; |
| |
| int lc; |
| char *msg; |
| |
| msg = parse_opts(ac, av, NULL, NULL); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| Tst_count = 0; |
| |
| pid1 = fork(); |
| if (pid1 == -1) |
| tst_brkm(TBROK, cleanup, "fork() failed"); |
| |
| if (pid1 == 0) { |
| tst_resm(TINFO, "Inside child"); |
| _exit(0); |
| } else { |
| tst_resm(TINFO, "Inside parent"); |
| pid2 = wait(&status); |
| tst_resm(TINFO, "exit status of wait %d", status); |
| |
| if (pid1 == pid2) |
| tst_resm(TPASS, "test 1 PASSED"); |
| else |
| tst_resm(TFAIL, "test 1 FAILED"); |
| } |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| TEST_PAUSE; |
| } |
| |
| static void cleanup(void) |
| { |
| TEST_CLEANUP; |
| } |