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