robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) International Business Machines Corp., 2002 |
| 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 |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* 06/30/2001 Port to Linux nsharoff@us.ibm.com */ |
| 21 | /* 10/30/2002 Port to LTP dbarrera@us.ibm.com */ |
| 22 | |
| 23 | /* |
| 24 | * NAME |
| 25 | * semctl07 |
| 26 | * |
| 27 | * CALLS |
| 28 | * semctl(2) semget(2) |
| 29 | * |
| 30 | * ALGORITHM |
| 31 | * Get and manipulate a set of semaphores. |
| 32 | * |
| 33 | * RESTRICTIONS |
| 34 | * |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 35 | * HISTORY |
| 36 | * 10/03/2008 Renaud Lottiaux (Renaud.Lottiaux@kerlabs.com) |
| 37 | * - Fix concurrency issue. A statically defined key was used. Leading |
| 38 | * to conflict with other instances of the same test. |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 39 | */ |
| 40 | |
Cyril Hrubis | 9e4b117 | 2014-09-23 13:10:52 +0200 | [diff] [blame] | 41 | #include <sys/types.h> |
| 42 | #include <sys/ipc.h> |
| 43 | #include <sys/sem.h> |
| 44 | #include <signal.h> |
| 45 | #include <errno.h> |
| 46 | #include <stdio.h> |
| 47 | #include <wait.h> |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 48 | #include "ipcsem.h" |
| 49 | #include "test.h" |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 50 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 51 | void setup(void); |
| 52 | void cleanup(void); |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 53 | |
Cyril Hrubis | 9e4b117 | 2014-09-23 13:10:52 +0200 | [diff] [blame] | 54 | char *TCID = "semctl07"; |
| 55 | int TST_TOTAL = 1; |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 56 | |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 57 | key_t key; |
| 58 | int semid = -1, nsems; |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 59 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 60 | int main(int argc, char *argv[]) |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 61 | { |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 62 | int status; |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 63 | struct semid_ds buf_ds; |
| 64 | |
| 65 | union semun { |
| 66 | int val; |
| 67 | struct semid_ds *buf; |
| 68 | short *array; |
| 69 | }; |
| 70 | |
| 71 | union semun arg; |
| 72 | |
Cyril Hrubis | 9e4b117 | 2014-09-23 13:10:52 +0200 | [diff] [blame] | 73 | setup(); |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 74 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 75 | arg.buf = &buf_ds; |
| 76 | if ((status = semctl(semid, 0, IPC_STAT, arg)) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 77 | tst_resm(TFAIL, "semctl() failed errno = %d", errno); |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 78 | semctl(semid, 1, IPC_RMID, arg); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 79 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | /* |
| 83 | * Check contents of semid_ds structure. |
| 84 | */ |
| 85 | |
| 86 | if (arg.buf->sem_nsems != nsems) { |
subrata_modak | 923b23f | 2009-11-02 13:57:16 +0000 | [diff] [blame] | 87 | tst_resm(TFAIL, "error: unexpected number of sems %lu", |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 88 | arg.buf->sem_nsems); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 89 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 90 | } |
| 91 | if (arg.buf->sem_perm.uid != getuid()) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 92 | tst_resm(TFAIL, "error: unexpected uid %d", |
| 93 | arg.buf->sem_perm.uid); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 94 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 95 | } |
| 96 | if (arg.buf->sem_perm.gid != getgid()) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 97 | tst_resm(TFAIL, "error: unexpected gid %d", |
| 98 | arg.buf->sem_perm.gid); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 99 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 100 | } |
| 101 | if (arg.buf->sem_perm.cuid != getuid()) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 102 | tst_resm(TFAIL, "error: unexpected cuid %d", |
| 103 | arg.buf->sem_perm.cuid); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 104 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 105 | } |
| 106 | if (arg.buf->sem_perm.cgid != getgid()) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 107 | tst_resm(TFAIL, "error: unexpected cgid %d", |
| 108 | arg.buf->sem_perm.cgid); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 109 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 110 | } |
| 111 | if ((status = semctl(semid, 0, GETVAL, arg)) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 112 | tst_resm(TFAIL, "semctl(GETVAL) failed errno = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 113 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 114 | } |
| 115 | arg.val = 1; |
| 116 | if ((status = semctl(semid, 0, SETVAL, arg)) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 117 | tst_resm(TFAIL, "SEMCTL(SETVAL) failed errno = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 118 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 119 | } |
| 120 | if ((status = semctl(semid, 0, GETVAL, arg)) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 121 | tst_resm(TFAIL, "semctl(GETVAL) failed errno = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 122 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 123 | } |
| 124 | if (status != arg.val) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 125 | tst_resm(TFAIL, "error: unexpected value %d", status); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 126 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 127 | } |
| 128 | if ((status = semctl(semid, 0, GETPID, arg)) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 129 | tst_resm(TFAIL, "semctl(GETPID) failed errno = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 130 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 131 | } |
| 132 | status = getpid(); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 133 | if (status == 0) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 134 | tst_resm(TFAIL, "error: unexpected pid %d", status); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 135 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 136 | } |
| 137 | if ((status = semctl(semid, 0, GETNCNT, arg)) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 138 | tst_resm(TFAIL, "semctl(GETNCNT) failed errno = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 139 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 140 | } |
| 141 | if (status != 0) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 142 | tst_resm(TFAIL, "error: unexpected semncnt %d", status); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 143 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 144 | } |
| 145 | if ((status = semctl(semid, 0, GETZCNT, arg)) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 146 | tst_resm(TFAIL, "semctl(GETZCNT) failed errno = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 147 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 148 | } |
| 149 | if (status != 0) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 150 | tst_resm(TFAIL, "error: unexpected semzcnt %d", status); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 151 | |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 152 | } |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 153 | |
| 154 | tst_resm(TPASS, "semctl07 ran successfully!"); |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 155 | |
| 156 | cleanup(); |
Cyril Hrubis | 4dff854 | 2014-09-23 12:11:59 +0200 | [diff] [blame] | 157 | tst_exit(); |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 158 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 159 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 160 | void setup(void) |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 161 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 162 | tst_sig(NOFORK, DEF_HANDLER, cleanup); |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 163 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 164 | TEST_PAUSE; |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 165 | |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 166 | tst_tmpdir(); |
| 167 | |
| 168 | /* get an IPC resource key */ |
| 169 | key = getipckey(); |
| 170 | nsems = 1; |
| 171 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 172 | if ((semid = semget(key, nsems, SEM_RA | IPC_CREAT)) == -1) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 173 | tst_brkm(TFAIL, NULL, "semget() failed errno = %d", errno); |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 174 | } |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 175 | } |
| 176 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 177 | void cleanup(void) |
robbiew | 230a0a8 | 2002-12-05 20:28:33 +0000 | [diff] [blame] | 178 | { |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 179 | rm_sema(semid); |
subrata_modak | 68fbd25 | 2008-03-14 19:10:44 +0000 | [diff] [blame] | 180 | tst_rmdir(); |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 181 | } |