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comparison: hal/linux/LinuxMemory.cpp
hal/linux/LinuxMemory.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:d64973859a09 |
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| 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 GetTotalSystemMemory() | |
| 16 { | |
| 17 static uint32_t sTotalMemory; | |
| 18 static bool sTotalMemoryObtained = false; | |
| 19 | |
| 20 if (!sTotalMemoryObtained) { | |
| 21 sTotalMemoryObtained = true; | |
| 22 | |
| 23 FILE* fd = fopen("/proc/meminfo", "r"); | |
| 24 if (!fd) { | |
| 25 return 0; | |
| 26 } | |
| 27 | |
| 28 int rv = fscanf(fd, "MemTotal: %i kB", &sTotalMemory); | |
| 29 | |
| 30 if (fclose(fd) || rv != 1) { | |
| 31 return 0; | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 return sTotalMemory * 1024; | |
| 36 } | |
| 37 | |
| 38 } // namespace hal_impl | |
| 39 } // namespace mozilla |
