1                 : /*
       2                 :  * Copyright 2010 The Native Client Authors. All rights reserved.
       3                 :  * Use of this source code is governed by a BSD-style license that can
       4                 :  * be found in the LICENSE file.
       5                 :  */
       6                 : 
       7                 : #include <stdio.h>
       8                 : 
       9                 : #include "native_client/src/shared/imc/nacl_imc_c.h"
      10                 : 
      11                 : 
      12                 : /* Writes the last error message to the standard error. */
      13               0 : static void failWithErrno(const char* message) {
      14               0 :   char buffer[256];
      15                 : 
      16               0 :   if (0 == NaClGetLastErrorString(buffer, sizeof(buffer))) {
      17               0 :     fprintf(stderr, "%s: %s", message, buffer);
      18               0 :   }
      19               0 :   exit(EXIT_FAILURE);
      20               0 : }
      21                 : 
      22               1 : int main(int argc, char* argv[]) {
      23               1 :   int result;
      24               1 :   NaClHandle pair[2];
      25                 : 
      26               2 :   UNREFERENCED_PARAMETER(argc);
      27               2 :   UNREFERENCED_PARAMETER(argv);
      28                 : 
      29               1 :   if (0 != NaClSocketPair(pair)) {
      30               0 :     failWithErrno("SocketPair");
      31               0 :   }
      32                 : 
      33               1 :   if (0 != NaClClose(pair[0])) {
      34               0 :     failWithErrno("NaClClose");
      35               0 :   }
      36                 : 
      37               1 :   if (0 != NaClClose(pair[1])) {
      38               0 :     failWithErrno("NaClClose");
      39               0 :   }
      40                 : 
      41                 :   /* Checking the double close. It should return -1. */
      42               1 :   result = NaClClose(pair[0]);
      43               1 :   if (-1 != result) {
      44               0 :     fprintf(stderr, "Double NaClClose returned %d, but -1 expected\n", result);
      45               0 :     exit(EXIT_FAILURE);
      46                 :   }
      47                 : 
      48               1 :   return 0;
      49                 : }