From 7f7a64a1d6ef791d3b111245301d73902e9e4875 Mon Sep 17 00:00:00 2001
From: Waley Chen <waleycz@gmail.com>
Date: Thu, 25 Feb 2016 18:09:15 -0500
Subject: SERVER-22398 Add SystemInfo::numAvailableCores

---
 src/mongo/util/processinfo.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/mongo/util/processinfo.h')

diff --git a/src/mongo/util/processinfo.h b/src/mongo/util/processinfo.h
index 86305a9babe..7d48fe31aea 100644
--- a/src/mongo/util/processinfo.h
+++ b/src/mongo/util/processinfo.h
@@ -29,6 +29,7 @@
 
 #pragma once
 
+#include <boost/optional.hpp>
 #include <cstdint>
 #include <string>
 
@@ -88,6 +89,12 @@ public:
         return sysInfo().memSize / (1024 * 1024);
     }
 
+    /**
+     * Get the number of available CPUs. Depending on the OS, the number can be the
+     * number of available CPUs to the current process or scheduler.
+     */
+    boost::optional<unsigned long> getNumAvailableCores();
+
     /**
      * Get the number of CPUs
      */
-- 
cgit v1.2.1