| /* |
| * |
| * Copyright (c) International Business Machines Corp., 2001 |
| * Copyright (c) 2012 Cyril Hrubis <chrubis@suse.cz> |
| * |
| * 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 |
| */ |
| |
| /* |
| * wait401 - check that a call to wait4() correctly waits for a child |
| * process to exit |
| */ |
| |
| #include "test.h" |
| #include "usctest.h" |
| |
| #include <errno.h> |
| #define _USE_BSD |
| #include <sys/types.h> |
| #include <sys/resource.h> |
| #include <sys/wait.h> |
| |
| char *TCID = "wait401"; |
| int TST_TOTAL = 1; |
| |
| static void cleanup(void); |
| static void setup(void); |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| char *msg; |
| pid_t pid; |
| int status = 1; |
| struct rusage rusage; |
| |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| |
| pid = FORK_OR_VFORK(); |
| |
| switch (pid) { |
| case -1: |
| tst_brkm(TBROK, cleanup, "fork() failed"); |
| break; |
| case 0: |
| sleep(1); |
| exit(0); |
| break; |
| default: |
| TEST(wait4(pid, &status, 0, &rusage)); |
| break; |
| } |
| |
| if (TEST_RETURN == -1) { |
| tst_brkm(TFAIL, cleanup, "%s call failed - errno = %d " |
| ": %s", TCID, TEST_ERRNO, |
| strerror(TEST_ERRNO)); |
| } |
| |
| if (STD_FUNCTIONAL_TEST) { |
| if (WIFEXITED(status) == 0) { |
| tst_brkm(TFAIL, cleanup, |
| "%s call succeeded but " |
| "WIFEXITED() did not return expected value " |
| "- %d", TCID, WIFEXITED(status)); |
| } else if (TEST_RETURN != pid) { |
| tst_resm(TFAIL, "%s did not return the " |
| "expected value (%d), actual: %ld", |
| TCID, pid, TEST_RETURN); |
| } else { |
| |
| tst_resm(TPASS, |
| "Received child pid as expected."); |
| } |
| } |
| tst_resm(TPASS, "%s call succeeded", TCID); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| } |
| |
| static void cleanup(void) |
| { |
| TEST_CLEANUP; |
| } |