1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/hal/linux/LinuxMemory.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,39 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.9 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#include <stdio.h>
1.12 +#include "Hal.h"
1.13 +
1.14 +namespace mozilla {
1.15 +namespace hal_impl {
1.16 +
1.17 +uint32_t
1.18 +GetTotalSystemMemory()
1.19 +{
1.20 + static uint32_t sTotalMemory;
1.21 + static bool sTotalMemoryObtained = false;
1.22 +
1.23 + if (!sTotalMemoryObtained) {
1.24 + sTotalMemoryObtained = true;
1.25 +
1.26 + FILE* fd = fopen("/proc/meminfo", "r");
1.27 + if (!fd) {
1.28 + return 0;
1.29 + }
1.30 +
1.31 + int rv = fscanf(fd, "MemTotal: %i kB", &sTotalMemory);
1.32 +
1.33 + if (fclose(fd) || rv != 1) {
1.34 + return 0;
1.35 + }
1.36 + }
1.37 +
1.38 + return sTotalMemory * 1024;
1.39 +}
1.40 +
1.41 +} // namespace hal_impl
1.42 +} // namespace mozilla
