plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) International Business Machines Corp., 2001 |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 13 | * the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * NAME |
| 22 | * getpgid01.c |
| 23 | * |
| 24 | * DESCRIPTION |
| 25 | * Testcase to check the basic functionality of getpgid(). |
| 26 | * |
| 27 | * ALGORITHM |
| 28 | * block1: Does getpgid(0), and checks for error. |
| 29 | * block2: Does getpgid(getpid()) and checks for error. |
| 30 | * block3: Does getpgid(getppid()) and checks for error. |
| 31 | * block4: Verifies that getpgid(getpgid(0)) == getpgid(0). |
| 32 | * block5: Does getpgid(1) and checks for error. |
| 33 | * |
| 34 | * USAGE |
| 35 | * getpgid01 |
| 36 | * |
| 37 | * HISTORY |
| 38 | * 07/2001 Ported by Wayne Boyer |
| 39 | * |
| 40 | * RESTRICTIONS |
| 41 | * Expects that there are no EPERM limitations on getting the |
| 42 | * process group ID from proc 1 (init). |
| 43 | */ |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 44 | #define _GNU_SOURCE 1 |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 45 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 46 | #include <errno.h> |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 47 | #include <unistd.h> |
robbiew | 3a28088 | 2003-03-03 15:49:21 +0000 | [diff] [blame] | 48 | #include <stdarg.h> |
Steven Jackson | 249f405 | 2016-12-13 16:16:00 +0000 | [diff] [blame^] | 49 | #include <sys/wait.h> |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 50 | #include <sys/types.h> |
| 51 | #include "test.h" |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 52 | |
| 53 | void setup(void); |
| 54 | void cleanup(void); |
| 55 | |
| 56 | char *TCID = "getpgid01"; |
| 57 | int TST_TOTAL = 1; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 58 | |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 59 | int main(int ac, char **av) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 60 | { |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 61 | int lc; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 62 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 63 | register int pgid_0, pgid_1; |
| 64 | register int my_pid, my_ppid; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 65 | int ex_stat, fail = 0; |
| 66 | |
Cyril Hrubis | d6d11d0 | 2015-03-09 17:35:43 +0100 | [diff] [blame] | 67 | tst_parse_opts(ac, av, NULL, NULL); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 68 | |
| 69 | setup(); |
| 70 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 71 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
Caspar Zhang | d59a659 | 2013-03-07 14:59:12 +0800 | [diff] [blame] | 72 | tst_count = 0; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 73 | |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 74 | if ((pgid_0 = FORK_OR_VFORK()) == -1) |
| 75 | tst_brkm(TBROK, cleanup, "fork failed"); |
| 76 | if (pgid_0 > 0) { |
| 77 | while ((pgid_0 = wait(&ex_stat)) != -1) ; |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 78 | |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 79 | if (WEXITSTATUS(ex_stat) == 0) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 80 | tst_resm(TINFO, "%s PASSED", TCID); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 81 | else |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 82 | tst_resm(TINFO, "%s FAILED", TCID); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 83 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 84 | exit(0); |
| 85 | } |
| 86 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 87 | tst_resm(TINFO, "Enter block 1"); |
| 88 | fail = 0; |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 89 | if ((pgid_0 = getpgid(0)) == -1) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 90 | tst_resm(TFAIL | TERRNO, "getpgid(0) failed"); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 91 | fail = 1; |
| 92 | } |
| 93 | |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 94 | if (fail) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 95 | tst_resm(TINFO, "Test block 1: getpgid(0) FAILED"); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 96 | else |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 97 | tst_resm(TPASS, "Test block 1: getpgid(0) PASSED"); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 98 | tst_resm(TINFO, "Exit block 1"); |
| 99 | |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 100 | //block2: |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 101 | tst_resm(TINFO, "Enter block 2"); |
| 102 | fail = 0; |
| 103 | |
| 104 | my_pid = getpid(); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 105 | if ((pgid_1 = getpgid(my_pid)) == -1) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 106 | tst_resm(TFAIL | TERRNO, "getpgid(%d) failed", my_pid); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 107 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 108 | if (pgid_0 != pgid_1) { |
| 109 | tst_resm(TFAIL, "getpgid(my_pid=%d) != getpgid(0) " |
| 110 | "[%d != %d]", my_pid, pgid_1, pgid_0); |
| 111 | fail = 1; |
| 112 | } |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 113 | if (fail) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 114 | tst_resm(TINFO, "Test block 2: getpgid(getpid()) " |
| 115 | "FAILED"); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 116 | else |
| 117 | tst_resm(TPASS, "Test block 2: getpgid(getpid()) " |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 118 | "PASSED"); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 119 | tst_resm(TINFO, "Exit block 2"); |
| 120 | |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 121 | //block3: |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 122 | tst_resm(TINFO, "Enter block 3"); |
| 123 | fail = 0; |
| 124 | |
| 125 | my_ppid = getppid(); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 126 | if ((pgid_1 = getpgid(my_ppid)) == -1) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 127 | tst_resm(TFAIL | TERRNO, "getpgid(%d) failed", my_ppid); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 128 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 129 | if (pgid_0 != pgid_1) { |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 130 | tst_resm(TFAIL, "getpgid(%d) != getpgid(0) [%d != %d]", |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 131 | my_ppid, pgid_1, pgid_0); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 132 | fail = 1; |
| 133 | } |
| 134 | |
| 135 | if (fail) { |
| 136 | tst_resm(TINFO, "Test block 3: getpgid(getppid()) " |
| 137 | "FAILED"); |
| 138 | } else { |
| 139 | tst_resm(TPASS, "Test block 3: getpgid(getppid()) " |
| 140 | "PASSED"); |
| 141 | } |
| 142 | tst_resm(TINFO, "Exit block 3"); |
| 143 | |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 144 | //block4: |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 145 | tst_resm(TINFO, "Enter block 4"); |
| 146 | fail = 0; |
| 147 | |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 148 | if ((pgid_1 = getpgid(pgid_0)) < 0) |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 149 | tst_resm(TFAIL | TERRNO, "getpgid(%d) failed", pgid_0); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 150 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 151 | if (pgid_0 != pgid_1) { |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 152 | tst_resm(TFAIL, "getpgid(%d) != getpgid(0) [%d != %d]", |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 153 | pgid_0, pgid_1, pgid_0); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 154 | fail = 1; |
| 155 | } |
| 156 | |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 157 | if (fail) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 158 | tst_resm(TINFO, "Test block 4: getpgid(1) FAILED"); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 159 | else |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 160 | tst_resm(TPASS, "Test block 4: getpgid(1) PASSED"); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 161 | tst_resm(TINFO, "Exit block 4"); |
| 162 | |
robbiew | e861ea9 | 2003-03-26 20:28:36 +0000 | [diff] [blame] | 163 | //block5: |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 164 | tst_resm(TINFO, "Enter block 5"); |
| 165 | fail = 0; |
| 166 | |
| 167 | if (getpgid(1) < 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 168 | tst_resm(TFAIL | TERRNO, "getpgid(1) failed"); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 169 | fail = 1; |
| 170 | } |
| 171 | |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 172 | if (fail) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 173 | tst_resm(TINFO, "Test block 5: getpgid(1) FAILED"); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 174 | else |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 175 | tst_resm(TPASS, "Test block 5: getpgid(1) PASSED"); |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 176 | tst_resm(TINFO, "Exit block 5"); |
| 177 | } |
| 178 | cleanup(); |
Garrett Cooper | ebf7df2 | 2010-12-19 01:52:15 -0800 | [diff] [blame] | 179 | tst_exit(); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 180 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 181 | } |
| 182 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 183 | void setup(void) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 184 | { |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 185 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 186 | tst_sig(FORK, DEF_HANDLER, cleanup); |
| 187 | |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 188 | TEST_PAUSE; |
| 189 | } |
| 190 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 191 | void cleanup(void) |
plars | 865695b | 2001-08-27 22:15:12 +0000 | [diff] [blame] | 192 | { |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 193 | } |