nsprpub/pr/tests/semaerr1.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nspr.h"
   7 #include "plgetopt.h"
   8
   9 #include <stdio.h>
  10
  11 #ifdef SYMBIAN
  12 #define SEM_NAME1 "c:\\data\\foo.sem"
  13 #define SEM_NAME2 "c:\\data\\bar.sem"
  14 #else
  15 #define SEM_NAME1 "/tmp/foo.sem"
  16 #define SEM_NAME2 "/tmp/bar.sem"
  17 #endif
  18 #define SEM_MODE  0666
  19
  20 static PRBool debug_mode = PR_FALSE;
  21
  22 static void Help(void)
  23 {
  24     fprintf(stderr, "semaerr1 test program usage:\n");
  25     fprintf(stderr, "\t-d           debug mode         (FALSE)\n");
  26     fprintf(stderr, "\t-h           this message\n");
  27 }  /* Help */
  28
  29 int main(int argc, char **argv)
  30 {
  31     PLOptStatus os;
  32     PLOptState *opt = PL_CreateOptState(argc, argv, "dh");
  33     PRSem *sem;
  34
  35     while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
  36         if (PL_OPT_BAD == os) continue;
  37         switch (opt->option) {
  38             case 'd':  /* debug mode */
  39                 debug_mode = PR_TRUE;
  40                 break;
  41             case 'h':
  42             default:
  43                 Help();
  44                 return 2;
  45         }
  46     }
  47     PL_DestroyOptState(opt);
  48
  49     /*
  50      * PR_SEM_CREATE|PR_SEM_EXCL should be able to
  51      * create a nonexistent semaphore.
  52      */
  53     (void) PR_DeleteSemaphore(SEM_NAME2);
  54     sem = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
  55     if (sem == NULL) {
  56         fprintf(stderr, "PR_OpenSemaphore failed\n");
  57         exit(1);
  58     }
  59     if (PR_CloseSemaphore(sem) == PR_FAILURE) {
  60         fprintf(stderr, "PR_CloseSemaphore failed\n");
  61         exit(1);
  62     }
  63     if (PR_DeleteSemaphore(SEM_NAME2) == PR_FAILURE) {
  64         fprintf(stderr, "PR_DeleteSemaphore failed\n");
  65         exit(1);
  66     }
  67
  68     /*
  69      * Opening an existing semaphore with PR_SEM_CREATE|PR_SEM_EXCL.
  70      * should fail with PR_FILE_EXISTS_ERROR.
  71      */
  72     sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
  73     if (sem != NULL) {
  74         fprintf(stderr, "PR_OpenSemaphore should fail but succeeded\n");
  75         exit(1);
  76     }
  77     if (PR_GetError() != PR_FILE_EXISTS_ERROR) {
  78         fprintf(stderr, "Expect %d but got %d\n", PR_FILE_EXISTS_ERROR,
  79                 PR_GetError());
  80         exit(1);
  81     }
  82
  83     /*
  84      * Try again, with just PR_SEM_CREATE.  This should succeed.
  85      */
  86     sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 0);
  87     if (sem == NULL) {
  88         fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
  89                 PR_GetError(), PR_GetOSError());
  90         exit(1);
  91     }
  92     if (PR_CloseSemaphore(sem) == PR_FAILURE) {
  93         fprintf(stderr, "PR_CloseSemaphore failed\n");
  94         exit(1);
  95     }
  96
  97     sem = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE|PR_SEM_EXCL, SEM_MODE, 0);
  98     if (sem == NULL) {
  99         fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
 100                 PR_GetError(), PR_GetOSError());
 101         exit(1);
 102     }
 103     if (PR_CloseSemaphore(sem) == PR_FAILURE) {
 104         fprintf(stderr, "PR_CloseSemaphore failed\n");
 105         exit(1);
 106     }
 107
 108     printf("PASS\n");
 109     return 0;
 110 }