The Tor Browser: nsprpub/pr/tests/semaerr1.c@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     6 #include "nspr.h"

     7 #include "plgetopt.h"

     9 #include <stdio.h>

    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

    20 static PRBool debug_mode = PR_FALSE;

    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 */

    29 int main(int argc, char **argv)

    30 {

    31     PLOptStatus os;

    32     PLOptState *opt = PL_CreateOptState(argc, argv, "dh");

    33     PRSem *sem;

    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);

    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     }

    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     }

    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     }

    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     }

   108     printf("PASS\n");

   109     return 0;

   110 }

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