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