From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- hal/linux/LinuxMemory.cpp | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 hal/linux/LinuxMemory.cpp (limited to 'hal/linux/LinuxMemory.cpp') diff --git a/hal/linux/LinuxMemory.cpp b/hal/linux/LinuxMemory.cpp new file mode 100644 index 000000000..14ed63146 --- /dev/null +++ b/hal/linux/LinuxMemory.cpp @@ -0,0 +1,39 @@ +/* -*- 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 +#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 -- cgit v1.2.3