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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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;
}
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