From: Michael Lee <mzlee@fb.com>
Date: Tue, 20 Dec 2016 14:21:48 +0000 (-0800)
Subject: Fix sysconf return type
X-Git-Tag: v2017.03.06.00~177
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=219f48ef6f5fb7a32301fea19c361f6db12cb23c;p=folly.git

Fix sysconf return type

Summary: The sysconf return type is supposed to be long, not unsigned.

Reviewed By: Orvid

Differential Revision: D4350903

fbshipit-source-id: 29d86081bf75d123e76b831a669b0fd3936ce102
---

diff --git a/folly/detail/CacheLocality.cpp b/folly/detail/CacheLocality.cpp
index b514c606..4603c1d5 100644
--- a/folly/detail/CacheLocality.cpp
+++ b/folly/detail/CacheLocality.cpp
@@ -43,7 +43,7 @@ static CacheLocality getSystemLocalityInfo() {
   }
 #endif
 
-  size_t numCpus = sysconf(_SC_NPROCESSORS_CONF);
+  long numCpus = sysconf(_SC_NPROCESSORS_CONF);
   if (numCpus <= 0) {
     // This shouldn't happen, but if it does we should try to keep
     // going.  We are probably not going to be able to parse /sys on