1 files changed, 41 insertions, 0 deletions
diff --git a/src/mongo/util/systeminfo.h b/src/mongo/util/systeminfo.h
new file mode 100755
index 00000000000..be4404ff785
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+++ b/src/mongo/util/systeminfo.h
@@ -0,0 +1,41 @@
+/**
+ * Copyright 2011 (c) 10gen Inc.
+ *
+ * This program is free software: you can redistribute it and/or  modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <cstddef>
+
+namespace mongo {
+
+    class SystemInfo {
+    public:
+	/*
+	  Get the amount of physical memory available on the host.
+
+	  This should only be used for "advisory" purposes, and not as a hard
+	  value, because this could be deceptive on virtual hosts, and because
+	  this will return zero on platforms that do not support it.
+
+	  @returns amount of physical memory, or zero
+	 */
+	static size_t getPhysicalRam();
+
+    private:
+	// don't instantiate this class
+	SystemInfo(); // no implementation
+    };
+
+}