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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include "Hal.h"
namespace mozilla {
namespace hal_impl {
uint32_t
GetTotalSystemMemory()
{
static uint32_t sTotalMemory;
static bool sTotalMemoryObtained = false;
if (!sTotalMemoryObtained) {
sTotalMemoryObtained = true;
FILE* fd = fopen("/proc/meminfo", "r");
if (!fd) {
return 0;
}
int rv = fscanf(fd, "MemTotal: %i kB", &sTotalMemory);
if (fclose(fd) || rv != 1) {
return 0;
}
}
return sTotalMemory * 1024;
}
} // namespace hal_impl
} // namespace mozilla
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