Index: base/sys_info_linux.cc |
diff --git a/base/sys_info_linux.cc b/base/sys_info_linux.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..67bfe5a64e0d4f2b5644977eb7ff142d5fd31e45 |
--- /dev/null |
+++ b/base/sys_info_linux.cc |
@@ -0,0 +1,36 @@ |
+// Copyright (c) 2009 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/sys_info.h" |
+ |
+#include "base/file_util.h" |
+#include "base/logging.h" |
+ |
+namespace base { |
+ |
+int64 SysInfo::AmountOfPhysicalMemory() { |
+ long pages = sysconf(_SC_PHYS_PAGES); |
+ long page_size = sysconf(_SC_PAGE_SIZE); |
+ if (pages == -1 || page_size == -1) { |
+ NOTREACHED(); |
+ return 0; |
+ } |
+ |
+ return static_cast<int64>(pages) * page_size; |
+} |
+ |
+// static |
+size_t SysInfo::MaxSharedMemorySize() { |
+ static size_t limit; |
+ static bool limit_valid = false; |
+ if (!limit_valid) { |
+ std::string contents; |
+ file_util::ReadFileToString(FilePath("/proc/sys/kernel/shmmax"), &contents); |
+ limit = strtoul(contents.c_str(), NULL, 0); |
+ limit_valid = true; |
+ } |
+ return limit; |
+} |
+ |
+} // namespace base |