The Tor Browser: nsprpub/pr/tests/semaerr.c@7e26c7da4463

     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 NO_SUCH_SEM_NAME "c:\\data\\nosuchsem.sem"

    13 #define SEM_NAME1 "c:\\data\\foo.sem"

    14 #define EXE_NAME "nspr_tests_semaerr1.exe"

    15 #else

    16 #define NO_SUCH_SEM_NAME "/tmp/nosuchsem.sem"

    17 #define SEM_NAME1 "/tmp/foo.sem"

    18 #define EXE_NAME "semaerr1"

    19 #endif

    20 #define SEM_MODE  0666

    22 static PRBool debug_mode = PR_FALSE;

    24 static void Help(void)

    25 {

    26     fprintf(stderr, "semaerr test program usage:\n");

    27     fprintf(stderr, "\t-d           debug mode         (FALSE)\n");

    28     fprintf(stderr, "\t-h           this message\n");

    29 }  /* Help */

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

    32 {

    33     PLOptStatus os;

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

    35     PRSem *sem;

    36     char *child_argv[32];

    37     char **child_arg;

    38     PRProcess *proc;

    39     PRInt32 exit_code;

    41     while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {

    42         if (PL_OPT_BAD == os) continue;

    43         switch (opt->option) {

    44             case 'd':  /* debug mode */

    45                 debug_mode = PR_TRUE;

    46                 break;

    47             case 'h':

    48             default:

    49                 Help();

    50                 return 2;

    51         }

    52     }

    53     PL_DestroyOptState(opt);

    55     /*

    56      * Open a nonexistent semaphore without the PR_SEM_CREATE

    57      * flag should fail with PR_FILE_NOT_FOUND_ERROR.

    58      */

    59     (void) PR_DeleteSemaphore(NO_SUCH_SEM_NAME);

    60     sem = PR_OpenSemaphore(NO_SUCH_SEM_NAME, 0, 0, 0);

    61     if (NULL != sem) {

    62         fprintf(stderr, "Opening nonexistent semaphore %s "

    63                 "without the PR_SEM_CREATE flag should fail "

    64                 "but succeeded\n", NO_SUCH_SEM_NAME);

    65         exit(1);

    66     }

    67     if (PR_GetError() != PR_FILE_NOT_FOUND_ERROR) {

    68         fprintf(stderr, "Expected error is %d but got (%d, %d)\n",

    69                 PR_FILE_NOT_FOUND_ERROR, PR_GetError(), PR_GetOSError());

    70         exit(1);

    71     }

    73     /*

    74      * Create a semaphore and let the another process

    75      * try PR_SEM_CREATE and PR_SEM_CREATE|PR_SEM_EXCL.

    76      */

    77     if (PR_DeleteSemaphore(SEM_NAME1) == PR_SUCCESS) {

    78         fprintf(stderr, "warning: deleted semaphore %s from previous "

    79                 "run of the test\n", SEM_NAME1);

    80     }

    81     sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 0);

    82     if (sem == NULL) {

    83         fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",

    84                 PR_GetError(), PR_GetOSError());

    85         exit(1);

    86     }

    87     child_arg = child_argv;

    88     *child_arg++ = EXE_NAME;

    89     if (debug_mode) {

    90         *child_arg++ = "-d";

    91     }

    92     *child_arg = NULL;

    93     proc = PR_CreateProcess(child_argv[0], child_argv, NULL, NULL);

    94     if (proc == NULL) {

    95         fprintf(stderr, "PR_CreateProcess failed\n");

    96         exit(1);

    97     }

    98     if (PR_WaitProcess(proc, &exit_code) == PR_FAILURE) {

    99         fprintf(stderr, "PR_WaitProcess failed\n");

   100         exit(1);

   101     }

   102     if (exit_code != 0) {

   103         fprintf(stderr, "process semaerr1 failed\n");

   104         exit(1);

   105     }

   106     if (PR_CloseSemaphore(sem) == PR_FAILURE) {

   107         fprintf(stderr, "PR_CloseSemaphore failed\n");

   108         exit(1);

   109     }

   110     if (PR_DeleteSemaphore(SEM_NAME1) == PR_FAILURE) {

   111         fprintf(stderr, "PR_DeleteSemaphore failed\n");

   112         exit(1);

   113     }

   115     printf("PASS\n");

   116     return 0;

   117 }

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