gecko-dev/nsprpub/pr/tests/semaerr1.c

135 строки
4.3 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#include "nspr.h"
#include "plgetopt.h"
#include <stdio.h>
#define SEM_NAME1 "/tmp/foo.sem"
#define SEM_NAME2 "/tmp/bar.sem"
#define SEM_MODE 0666
static PRBool debug_mode = PR_FALSE;
static void Help(void)
{
fprintf(stderr, "semaerr1 test program usage:\n");
fprintf(stderr, "\t-d debug mode (FALSE)\n");
fprintf(stderr, "\t-h this message\n");
} /* Help */
int main(int argc, char **argv)
{
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "dh");
PRSem *sem;
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
if (PL_OPT_BAD == os) continue;
switch (opt->option) {
case 'd': /* debug mode */
debug_mode = PR_TRUE;
break;
case 'h':
default:
Help();
return 2;
}
}
PL_DestroyOptState(opt);
/*
* PR_SEM_CREATE|PR_SEM_EXCL should be able to
* create a nonexistent semaphore.
*/
(void) PR_DeleteSemaphore(SEM_NAME2);
sem = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed\n");
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
if (PR_DeleteSemaphore(SEM_NAME2) == PR_FAILURE) {
fprintf(stderr, "PR_DeleteSemaphore failed\n");
exit(1);
}
/*
* Opening an existing semaphore with PR_SEM_CREATE|PR_SEM_EXCL.
* should fail with PR_FILE_EXISTS_ERROR.
*/
sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
if (sem != NULL) {
fprintf(stderr, "PR_OpenSemaphore should fail but succeeded\n");
exit(1);
}
if (PR_GetError() != PR_FILE_EXISTS_ERROR) {
fprintf(stderr, "Expect %d but got %d\n", PR_FILE_EXISTS_ERROR,
PR_GetError());
exit(1);
}
/*
* Try again, with just PR_SEM_CREATE. This should succeed.
*/
sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
sem = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
printf("PASS\n");
return 0;
}