From: cristy <urban-warrior@git.imagemagick.org>
Date: Thu, 17 Jan 2013 18:17:37 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~4424
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2ecff33aabbbf21894de998f4ba40e9cb2262673;p=imagemagick

---

diff --git a/MagickCore/thread-private.h b/MagickCore/thread-private.h
index 69cc5a98c..aebe3c95c 100644
--- a/MagickCore/thread-private.h
+++ b/MagickCore/thread-private.h
@@ -32,8 +32,10 @@ extern "C" {
 #define magick_threads(source,destination,chunk,expression) \
   num_threads((expression) == 0 ? 1 : \
     ((chunk) > (16*GetMagickResourceLimit(ThreadResource))) && \
-     (GetImagePixelCacheType(source) != DiskCache) && \
-     (GetImagePixelCacheType(destination) != DiskCache) ? \
+     ((GetImagePixelCacheType(source) == MemoryCache) || \
+      (GetImagePixelCacheType(source) == MapCache)) && \
+     ((GetImagePixelCacheType(destination) == MemoryCache) || \
+      (GetImagePixelCacheType(destination) == MapCache)) ? \
       GetMagickResourceLimit(ThreadResource) : \
       GetMagickResourceLimit(ThreadResource) < 2 ? 1 : 2)