From 545bf3a9a8e5b6a5363012938cbd0ff5f10f916f Mon Sep 17 00:00:00 2001
From: jules <jules@rawmaterialsoftware.com>
Date: Tue, 26 Feb 2013 16:14:21 +0000
Subject: [PATCH] Memory-mapped file tuning.

---
 modules/juce_core/native/juce_posix_SharedCode.h | 5 +++++
 modules/juce_core/native/juce_win32_Files.cpp    | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/juce_core/native/juce_posix_SharedCode.h b/modules/juce_core/native/juce_posix_SharedCode.h
index afe2b7c453..d75397c92d 100644
--- a/modules/juce_core/native/juce_posix_SharedCode.h
+++ b/modules/juce_core/native/juce_posix_SharedCode.h
@@ -567,9 +567,14 @@ void MemoryMappedFile::openInternal (const File& file, AccessMode mode)
                         (off_t) range.getStart());
 
         if (m != MAP_FAILED)
+        {
             address = m;
+            madvise (m, (size_t) range.getLength(), MADV_SEQUENTIAL);
+        }
         else
+        {
             range = Range<int64>();
+        }
     }
 }
 
diff --git a/modules/juce_core/native/juce_win32_Files.cpp b/modules/juce_core/native/juce_win32_Files.cpp
index 996cfe554d..1df1a9862e 100644
--- a/modules/juce_core/native/juce_win32_Files.cpp
+++ b/modules/juce_core/native/juce_win32_Files.cpp
@@ -334,7 +334,7 @@ void MemoryMappedFile::openInternal (const File& file, AccessMode mode)
     }
 
     HANDLE h = CreateFile (file.getFullPathName().toWideCharPointer(), accessMode, FILE_SHARE_READ, 0,
-                           createType, FILE_ATTRIBUTE_NORMAL, 0);
+                           createType, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, 0);
 
     if (h != INVALID_HANDLE_VALUE)
     {