Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * vim: sw=2 ts=8 et :
       3             :  */
       4             : /* This Source Code Form is subject to the terms of the Mozilla Public
       5             :  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
       6             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       7             : 
       8             : #include <stdio.h>
       9             : #include "Hal.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace hal_impl {
      13             : 
      14             : uint32_t
      15           0 : GetTotalSystemMemory()
      16             : {
      17             :   static uint32_t sTotalMemory;
      18             :   static bool sTotalMemoryObtained = false;
      19             : 
      20           0 :   if (!sTotalMemoryObtained) {
      21           0 :     sTotalMemoryObtained = true;
      22             : 
      23           0 :     FILE* fd = fopen("/proc/meminfo", "r");
      24           0 :     if (!fd) {
      25           0 :       return 0;
      26             :     }
      27             : 
      28           0 :     int rv = fscanf(fd, "MemTotal: %i kB", &sTotalMemory);
      29             : 
      30           0 :     if (fclose(fd) || rv != 1) {
      31           0 :       return 0;
      32             :     }
      33             :   }
      34             : 
      35           0 :   return sTotalMemory * 1024;
      36             : }
      37             : 
      38             : } // namespace hal_impl
      39           9 : } // namespace mozilla