From a44735aa8755cc262d212b50b6239a0030b9a948 Mon Sep 17 00:00:00 2001
From: Andrew Gallant <jamslam@gmail.com>
Date: Sat, 24 Sep 2016 20:46:20 -0400
Subject: [PATCH] Tweak memory maps on darwin.

Namely, don't automatically pick memory maps on darwin, ever. They
appear slower than standard read calls.

Closes #36.
---
 src/args.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/args.rs b/src/args.rs
index 7306e0b6..418ff12b 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -292,6 +292,9 @@ impl RawArgs {
             } else if cfg!(windows) {
                 // On Windows, memory maps appear faster than read calls. Neat.
                 true
+            } else if cfg!(darwin) {
+                // On Mac, memory maps appear to suck. Neat.
+                false
             } else {
                 // If we're only searching a few paths and all of them are
                 // files, then memory maps are probably faster.