The Tor Browser: nsprpub/pr/tests/sigpipe.c@ca08bd8f51b2

     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 /*

     7  *************************************************************************

     8  *

     9  * Test: sigpipe.c

    10  *

    11  *     Test the SIGPIPE handler in NSPR.  This test applies to Unix only.

    12  *

    13  *************************************************************************

    14  */

    16 #if !defined(XP_UNIX) && !defined(XP_OS2)

    18 int main(void)

    19 {

    20     /* This test applies to Unix and OS/2. */

    21     return 0;

    22 }

    24 #else /* XP_UNIX && OS/2 */

    26 #include "nspr.h"

    28 #ifdef XP_OS2

    29 #define INCL_DOSQUEUES

    30 #define INCL_DOSERRORS

    31 #include <os2.h>

    32 #endif

    34 #include <stdio.h>

    35 #include <unistd.h>

    36 #include <errno.h>

    38 static void Test(void *arg)

    39 {

    40 #ifdef XP_OS2

    41     HFILE pipefd[2];

    42 #else

    43     int pipefd[2];

    44 #endif

    45     int rv;

    46     char c = '\0';

    48 #ifdef XP_OS2

    49     if (DosCreatePipe(&pipefd[0], &pipefd[1], 4096) != 0) {

    50 #else

    51     if (pipe(pipefd) == -1) {

    52 #endif

    53         fprintf(stderr, "cannot create pipe: %d\n", errno);

    54         exit(1);

    55     }

    56     close(pipefd[0]);

    58     rv = write(pipefd[1], &c, 1);

    59     if (rv != -1) {

    60         fprintf(stderr, "write to broken pipe should have failed with EPIPE but returned %d\n", rv);

    61         exit(1);

    62     }

    63 #ifdef SYMBIAN

    64     /* Have mercy on the unknown 142 errno, it seems ok */

    65     if (errno != EPIPE && errno != 142) {

    66 #else

    67     if (errno != EPIPE) {

    68 #endif

    69         fprintf(stderr, "write to broken pipe failed but with wrong errno: %d\n", errno);

    70         exit(1);

    71     }

    72     close(pipefd[1]);

    73     printf("write to broken pipe failed with EPIPE, as expected\n");

    74 }

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

    77 {

    78     PRThread *thread;

    80     /* This initializes NSPR. */

    81     PR_SetError(0, 0);

    83     thread = PR_CreateThread(PR_USER_THREAD, Test, NULL, PR_PRIORITY_NORMAL,

    84             PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);

    85     if (thread == NULL) {

    86         fprintf(stderr, "PR_CreateThread failed\n");

    87         exit(1);

    88     }

    89     if (PR_JoinThread(thread) == PR_FAILURE) {

    90         fprintf(stderr, "PR_JoinThread failed\n");

    91         exit(1);

    92     }

    93     Test(NULL);

    95     printf("PASSED\n");

    96     return 0;

    97 }

    99 #endif /* XP_UNIX */

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