From f8db60e54e59a4e2e0a4e258ab5ba2c88ba4dfa9 Mon Sep 17 00:00:00 2001
From: Nils Maier <maierman@web.de>
Date: Mon, 26 May 2014 19:16:22 +0200
Subject: [PATCH] OSX: Use F_NOCACHE instead of F_GLOBAL_NOCACHE

The latter persists for the lifetime of the file, while the former
affects only the current descriptor.
---
 src/AbstractDiskWriter.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/AbstractDiskWriter.cc b/src/AbstractDiskWriter.cc
index fe547e62..e3653233 100644
--- a/src/AbstractDiskWriter.cc
+++ b/src/AbstractDiskWriter.cc
@@ -220,9 +220,9 @@ int openFileWithFlags(const std::string& filename, int flags,
                                    util::safeStrerror(errNum).c_str()),
                        errCode);
   }
-  // This may reduce memory consumption on Mac OS X. Not tested.
 #if defined(__APPLE__) && defined(__MACH__)
-  fcntl(fd, F_GLOBAL_NOCACHE, 1);
+  // This may reduce memory consumption on Mac OS X.
+  fcntl(fd, F_NOCACHE, 1);
 #endif // __APPLE__ && __MACH__
   return fd;
 }