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 be
       4                 :  * found in the LICENSE file.
       5                 :  */
       6                 : 
       7                 : #include <stdio.h>
       8                 : 
       9                 : #include "native_client/src/shared/imc/nacl_imc_c.h"
      10                 : #include "native_client/src/shared/platform/nacl_error.h"
      11                 : 
      12                 : 
      13                 : /* Writes the last error message to the standard error. */
      14               0 : static void failWithErrno(const char* message) {
      15                 :   char buffer[256];
      16                 : 
      17               0 :   if (0 == NaClGetLastErrorString(buffer, sizeof(buffer))) {
      18               0 :     fprintf(stderr, "%s: %s", message, buffer);
      19                 :   }
      20               0 :   exit(EXIT_FAILURE);
      21                 : }
      22                 : 
      23               1 : int main(int argc, char* argv[]) {
      24                 :   int result;
      25                 :   NaClHandle pair[2];
      26                 : 
      27                 :   UNREFERENCED_PARAMETER(argc);
      28                 :   UNREFERENCED_PARAMETER(argv);
      29                 : 
      30               1 :   if (0 != NaClSocketPair(pair)) {
      31               0 :     failWithErrno("SocketPair");
      32                 :   }
      33                 : 
      34               1 :   if (0 != NaClClose(pair[0])) {
      35               0 :     failWithErrno("NaClClose");
      36                 :   }
      37                 : 
      38               1 :   if (0 != NaClClose(pair[1])) {
      39               0 :     failWithErrno("NaClClose");
      40                 :   }
      41                 : 
      42                 :   /* Checking the double close. It should return -1. */
      43               1 :   result = NaClClose(pair[0]);
      44               1 :   if (-1 != result) {
      45               0 :     fprintf(stderr, "Double NaClClose returned %d, but -1 expected\n", result);
      46               0 :     exit(EXIT_FAILURE);
      47                 :   }
      48                 : 
      49               1 :   return 0;
      50               1 : }