nsprpub/pr/tests/sigpipe.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  14  *
  15  * The Original Code is the Netscape Portable Runtime (NSPR).
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  20  * the Initial Developer. All Rights Reserved.
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  37
  38 /*
  39  *************************************************************************
  40  *
  41  * Test: sigpipe.c
  42  *
  43  *     Test the SIGPIPE handler in NSPR.  This test applies to Unix only.
  44  *
  45  *************************************************************************
  46  */
  47
  48 #if !defined(XP_UNIX) && !defined(XP_OS2)
  49
  50 int main(void)
  51 {
  52     /* This test applies to Unix and OS/2 (emx build). */
  53     return 0;
  54 }
  55
  56 #else /* XP_UNIX && OS/2 */
  57
  58 #include "nspr.h"
  59
  60 #ifdef XP_OS2
  61 #define INCL_DOSQUEUES
  62 #define INCL_DOSERRORS
  63 #include <os2.h>
  64 #endif
  65
  66 #include <stdio.h>
  67 #ifdef XP_OS2_VACPP
  68 #define EPIPE EBADF  /* IBM's write() doesn't return EPIPE */
  69 #include <io.h>
  70 #else
  71 #include <unistd.h>
  72 #endif
  73 #include <errno.h>
  74
  75 static void Test(void *arg)
  76 {
  77 #ifdef XP_OS2
  78     HFILE pipefd[2];
  79 #else
  80     int pipefd[2];
  81 #endif
  82     int rv;
  83     char c = '\0';
  84
  85 #ifdef XP_OS2
  86     if (DosCreatePipe(&pipefd[0], &pipefd[1], 4096) != 0) {
  87 #else
  88     if (pipe(pipefd) == -1) {
  89 #endif
  90         fprintf(stderr, "cannot create pipe: %d\n", errno);
  91         exit(1);
  92     }
  93     close(pipefd[0]);
  94
  95     rv = write(pipefd[1], &c, 1);
  96     if (rv != -1) {
  97         fprintf(stderr, "write to broken pipe should have failed with EPIPE but returned %d\n", rv);
  98         exit(1);
  99     }
 100     if (errno != EPIPE) {
 101         fprintf(stderr, "write to broken pipe failed but with wrong errno: %d\n", errno);
 102         exit(1);
 103     }
 104     close(pipefd[1]);
 105     printf("write to broken pipe failed with EPIPE, as expected\n");
 106 }
 107
 108 int main(void)
 109 {
 110     PRThread *thread;
 111
 112     /* This initializes NSPR. */
 113     PR_SetError(0, 0);
 114
 115     thread = PR_CreateThread(PR_USER_THREAD, Test, NULL, PR_PRIORITY_NORMAL,
 116             PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);
 117     if (thread == NULL) {
 118         fprintf(stderr, "PR_CreateThread failed\n");
 119         exit(1);
 120     }
 121     if (PR_JoinThread(thread) == PR_FAILURE) {
 122         fprintf(stderr, "PR_JoinThread failed\n");
 123         exit(1);
 124     }
 125     Test(NULL);
 126
 127     printf("PASSED\n");
 128     return 0;
 129 }
 130
 131 #endif /* XP_UNIX */