| /* |
| Copyright (c) 2002-2003, Intel Corporation. All rights reserved. |
| Created by: majid.awad REMOVE-THIS AT intel DOT com |
| This file is licensed under the GPL license. For the full content |
| of this license, see the COPYING file at the top level of this |
| source tree. |
| */ |
| /* |
| open_sem test case that attempts to open a new semaphore, |
| close the semaphore and then open and existing semaphore, which |
| should fail when both O_CREAT and O_EXCL name exist during the opening |
| of a Semaphore. Fail to open is a Pass for this test. |
| */ |
| |
| #include <sys/types.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <semaphore.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include "posixtest.h" |
| |
| #define TEST "4-1" |
| #define FUNCTION "sem_open" |
| #define ERROR_PREFIX "unexpected error: " FUNCTION " " TEST ": " |
| |
| int main() |
| { |
| sem_t *mysemp; |
| char semname[50]; |
| |
| sprintf(semname, "/" FUNCTION "_" TEST "_%d", getpid()); |
| |
| /*Trying to open the first Sem */ |
| mysemp = sem_open(semname, O_CREAT, 0444, 1); |
| sem_close(mysemp); |
| |
| /* Opening the same existance SEM */ |
| mysemp = sem_open(semname, O_CREAT|O_EXCL, 0444, 1); |
| |
| if ((mysemp == SEM_FAILED) && (errno == EEXIST)) { |
| puts("TEST PASSED"); |
| sem_unlink(semname); |
| return PTS_PASS; |
| } else { |
| puts("TEST FAILED"); |
| return PTS_FAIL; |
| } |
| } |