| /* |
| * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * Further, this software is distributed without any warranty that it is |
| * free of the rightful claim of any third person regarding infringement |
| * or the like. Any license provided herein, whether implied or |
| * otherwise, applies only to this software file. Patent licenses, if |
| * any, provided herein do not apply to combinations of this program with |
| * other software, or any other product whatsoever. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
| * Mountain View, CA 94043, or: |
| * |
| * http://www.sgi.com |
| * |
| * For further information regarding this notice, see: |
| * |
| * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ |
| * |
| */ |
| /* $Id: setpgid01.c,v 1.7 2009/11/02 13:57:18 subrata_modak Exp $ */ |
| |
| /* |
| * Description: |
| * Verify that: |
| * 1. Basic functionality test for setpgid(2). |
| * 2. Check functioning of setpgid(2) with pid = 0 and pgid = 0. |
| */ |
| |
| #include <errno.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <stdlib.h> |
| #include <sys/wait.h> |
| #include "test.h" |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| char *TCID = "setpgid01"; |
| |
| static void setpgid_test1(void); |
| static void setpgid_test2(void); |
| static void (*testfunc[])(void) = { setpgid_test1, setpgid_test2}; |
| int TST_TOTAL = ARRAY_SIZE(testfunc); |
| |
| int main(int ac, char **av) |
| { |
| int i, lc; |
| const char *msg; |
| |
| 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; |
| |
| for (i = 0; i < TST_TOTAL; i++) |
| (*testfunc[i])(); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setpgid_test1(void) |
| { |
| pid_t pgid, pid; |
| |
| pgid = getpgrp(); |
| pid = getpid(); |
| |
| TEST(setpgid(pid, pgid)); |
| if (TEST_RETURN == -1 || getpgrp() != pgid) { |
| tst_resm(TFAIL | TTERRNO, "test setpgid(%d, %d) fail", |
| pid, pgid); |
| } else { |
| tst_resm(TPASS, "test setpgid(%d, %d) success", pid, pgid); |
| } |
| } |
| |
| static int wait4child(pid_t child) |
| { |
| int status; |
| |
| if (waitpid(child, &status, 0) == -1) |
| tst_resm(TBROK|TERRNO, "waitpid"); |
| if (WIFEXITED(status)) |
| return WEXITSTATUS(status); |
| else |
| return status; |
| } |
| |
| static void setpgid_test2(void) |
| { |
| int ret; |
| pid_t pgid, pid; |
| |
| pid = FORK_OR_VFORK(); |
| if (pid == -1) |
| tst_brkm(TBROK | TERRNO, cleanup, "fork()"); |
| |
| if (pid != 0) { |
| ret = wait4child(pid); |
| } else { |
| pid = getpid(); |
| TEST(setpgid(0, 0)); |
| pgid = getpgrp(); |
| if (TEST_RETURN == -1) { |
| fprintf(stderr, "setpgid(0, 0) fails in " |
| "child process: %s\n", strerror(TEST_ERRNO)); |
| exit(1); |
| } else if (pgid != pid) { |
| fprintf(stderr, "setpgid(0, 0) fails to make PGID" |
| "equal to PID\n"); |
| exit(1); |
| } else { |
| exit(0); |
| } |
| } |
| |
| if (ret == 0) |
| tst_resm(TPASS, "test setpgid(0, 0) success"); |
| else |
| tst_resm(TFAIL, "test setpgid(0, 0) fail"); |
| } |
| |
| |
| static void setup(void) |
| { |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| } |
| |
| static void cleanup(void) |
| { |
| } |