| /* |
| * |
| * Copyright (c) International Business Machines Corp., 2002 |
| * |
| * 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 |
| */ |
| |
| /* 06/30/2001 Port to Linux nsharoff@us.ibm.com */ |
| /* 10/30/2002 Port to LTP dbarrera@us.ibm.com */ |
| |
| /* |
| * NAME |
| * semctl07 |
| * |
| * CALLS |
| * semctl(2) semget(2) |
| * |
| * ALGORITHM |
| * Get and manipulate a set of semaphores. |
| * |
| * RESTRICTIONS |
| * |
| * HISTORY |
| * 10/03/2008 Renaud Lottiaux (Renaud.Lottiaux@kerlabs.com) |
| * - Fix concurrency issue. A statically defined key was used. Leading |
| * to conflict with other instances of the same test. |
| */ |
| |
| #include <sys/types.h> |
| #include <sys/ipc.h> |
| #include <sys/sem.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <wait.h> |
| #include "ipcsem.h" |
| #include "test.h" |
| |
| void setup(void); |
| void cleanup(void); |
| |
| char *TCID = "semctl07"; |
| int TST_TOTAL = 1; |
| |
| key_t key; |
| int semid = -1, nsems; |
| |
| int main(int argc, char *argv[]) |
| { |
| int status; |
| struct semid_ds buf_ds; |
| |
| union semun { |
| int val; |
| struct semid_ds *buf; |
| short *array; |
| }; |
| |
| union semun arg; |
| |
| setup(); |
| |
| arg.buf = &buf_ds; |
| if ((status = semctl(semid, 0, IPC_STAT, arg)) == -1) { |
| tst_resm(TFAIL, "semctl() failed errno = %d", errno); |
| semctl(semid, 1, IPC_RMID, arg); |
| |
| } |
| |
| /* |
| * Check contents of semid_ds structure. |
| */ |
| |
| if (arg.buf->sem_nsems != nsems) { |
| tst_resm(TFAIL, "error: unexpected number of sems %lu", |
| arg.buf->sem_nsems); |
| |
| } |
| if (arg.buf->sem_perm.uid != getuid()) { |
| tst_resm(TFAIL, "error: unexpected uid %d", |
| arg.buf->sem_perm.uid); |
| |
| } |
| if (arg.buf->sem_perm.gid != getgid()) { |
| tst_resm(TFAIL, "error: unexpected gid %d", |
| arg.buf->sem_perm.gid); |
| |
| } |
| if (arg.buf->sem_perm.cuid != getuid()) { |
| tst_resm(TFAIL, "error: unexpected cuid %d", |
| arg.buf->sem_perm.cuid); |
| |
| } |
| if (arg.buf->sem_perm.cgid != getgid()) { |
| tst_resm(TFAIL, "error: unexpected cgid %d", |
| arg.buf->sem_perm.cgid); |
| |
| } |
| if ((status = semctl(semid, 0, GETVAL, arg)) == -1) { |
| tst_resm(TFAIL, "semctl(GETVAL) failed errno = %d", errno); |
| |
| } |
| arg.val = 1; |
| if ((status = semctl(semid, 0, SETVAL, arg)) == -1) { |
| tst_resm(TFAIL, "SEMCTL(SETVAL) failed errno = %d", errno); |
| |
| } |
| if ((status = semctl(semid, 0, GETVAL, arg)) == -1) { |
| tst_resm(TFAIL, "semctl(GETVAL) failed errno = %d", errno); |
| |
| } |
| if (status != arg.val) { |
| tst_resm(TFAIL, "error: unexpected value %d", status); |
| |
| } |
| if ((status = semctl(semid, 0, GETPID, arg)) == -1) { |
| tst_resm(TFAIL, "semctl(GETPID) failed errno = %d", errno); |
| |
| } |
| status = getpid(); |
| if (status == 0) { |
| tst_resm(TFAIL, "error: unexpected pid %d", status); |
| |
| } |
| if ((status = semctl(semid, 0, GETNCNT, arg)) == -1) { |
| tst_resm(TFAIL, "semctl(GETNCNT) failed errno = %d", errno); |
| |
| } |
| if (status != 0) { |
| tst_resm(TFAIL, "error: unexpected semncnt %d", status); |
| |
| } |
| if ((status = semctl(semid, 0, GETZCNT, arg)) == -1) { |
| tst_resm(TFAIL, "semctl(GETZCNT) failed errno = %d", errno); |
| |
| } |
| if (status != 0) { |
| tst_resm(TFAIL, "error: unexpected semzcnt %d", status); |
| |
| } |
| |
| tst_resm(TPASS, "semctl07 ran successfully!"); |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| void setup(void) |
| { |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| tst_tmpdir(); |
| |
| /* get an IPC resource key */ |
| key = getipckey(); |
| nsems = 1; |
| |
| if ((semid = semget(key, nsems, SEM_RA | IPC_CREAT)) == -1) { |
| tst_brkm(TFAIL, NULL, "semget() failed errno = %d", errno); |
| } |
| } |
| |
| void cleanup(void) |
| { |
| rm_sema(semid); |
| tst_rmdir(); |
| } |