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diff --git a/MagickCore/cache-private.h b/MagickCore/cache-private.h
index bcfeaa7142b1883eade1f81f13b2a2bf78e7ee1e..2fc090edb0a870c147ad3a14be4ec1c13251a4ea 100644 (file)
--- a/MagickCore/cache-private.h
+++ b/MagickCore/cache-private.h
@@ -185,7 +185,7 @@ typedef struct _CacheInfo
 
   SemaphoreInfo
     *semaphore,
-    *file_semaphore;
+    *disk_semaphore;
 
   time_t
     timestamp;

diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index 77dc010f4cb75914db71ae046b2b7a5ae532e57f..ce4cb319bca52f7bd1ac14910bdb5876d510463a 100644 (file)
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -213,7 +213,7 @@ MagickPrivate Cache AcquirePixelCache(const size_t number_threads)
     ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
   cache_info->semaphore=AllocateSemaphoreInfo();
   cache_info->reference_count=1;
-  cache_info->file_semaphore=AllocateSemaphoreInfo();
+  cache_info->disk_semaphore=AllocateSemaphoreInfo();
   cache_info->debug=IsEventLogging();
   cache_info->signature=MagickSignature;
   return((Cache ) cache_info);
@@ -443,14 +443,14 @@ static MagickBooleanType ClosePixelCacheOnDisk(CacheInfo *cache_info)
     status;
 
   status=(-1);
-  LockSemaphoreInfo(cache_info->file_semaphore);
+  LockSemaphoreInfo(cache_info->disk_semaphore);
   if (cache_info->file != -1)
     {
       status=close(cache_info->file);
       cache_info->file=(-1);
       RelinquishMagickResource(FileResource,1);
     }
-  UnlockSemaphoreInfo(cache_info->file_semaphore);
+  UnlockSemaphoreInfo(cache_info->disk_semaphore);
   return(status == -1 ? MagickFalse : MagickTrue);
 }
 
@@ -479,10 +479,10 @@ static MagickBooleanType OpenPixelCacheOnDisk(CacheInfo *cache_info,
   /*
     Open pixel cache on disk.
   */
-  LockSemaphoreInfo(cache_info->file_semaphore);
+  LockSemaphoreInfo(cache_info->disk_semaphore);
   if (cache_info->file != -1)
     {
-      UnlockSemaphoreInfo(cache_info->file_semaphore);
+      UnlockSemaphoreInfo(cache_info->disk_semaphore);
       return(MagickTrue);  /* cache already open */
     }
   if (*cache_info->cache_filename == '\0')
@@ -515,13 +515,13 @@ static MagickBooleanType OpenPixelCacheOnDisk(CacheInfo *cache_info,
     }
   if (file == -1)
     {
-      UnlockSemaphoreInfo(cache_info->file_semaphore);
+      UnlockSemaphoreInfo(cache_info->disk_semaphore);
       return(MagickFalse);
     }
   (void) AcquireMagickResource(FileResource,1);
   cache_info->file=file;
   cache_info->mode=mode;
-  UnlockSemaphoreInfo(cache_info->file_semaphore);
+  UnlockSemaphoreInfo(cache_info->disk_semaphore);
   return(MagickTrue);
 }
 
@@ -536,8 +536,12 @@ static inline MagickOffsetType ReadPixelCacheRegion(
     count;
 
 #if !defined(MAGICKCORE_HAVE_PREAD)
+  LockSemaphoreInfo(cache_info->disk_semaphore);
   if (lseek(cache_info->file,offset,SEEK_SET) < 0)
-    return((MagickOffsetType) -1);
+    {
+      UnlockSemaphoreInfo(cache_info->disk_semaphore);
+      return((MagickOffsetType) -1);
+    }
 #endif
   count=0;
   for (i=0; i < (MagickOffsetType) length; i+=count)
@@ -556,6 +560,9 @@ static inline MagickOffsetType ReadPixelCacheRegion(
           break;
       }
   }
+#if !defined(MAGICKCORE_HAVE_PREAD)
+  UnlockSemaphoreInfo(cache_info->disk_semaphore);
+#endif
   return(i);
 }
 
@@ -570,8 +577,12 @@ static inline MagickOffsetType WritePixelCacheRegion(
     count;
 
 #if !defined(MAGICKCORE_HAVE_PWRITE)
+  LockSemaphoreInfo(cache_info->disk_semaphore);
   if (lseek(cache_info->file,offset,SEEK_SET) < 0)
-    return((MagickOffsetType) -1);
+    {
+      UnlockSemaphoreInfo(cache_info->disk_semaphore);
+      return((MagickOffsetType) -1);
+    }
 #endif
   count=0;
   for (i=0; i < (MagickOffsetType) length; i+=count)
@@ -590,6 +601,9 @@ static inline MagickOffsetType WritePixelCacheRegion(
           break;
       }
   }
+#if !defined(MAGICKCORE_HAVE_PWRITE)
+  UnlockSemaphoreInfo(cache_info->disk_semaphore);
+#endif
   return(i);
 }
 
@@ -1278,8 +1292,8 @@ MagickPrivate Cache DestroyPixelCache(Cache cache)
       cache_info->number_threads);
   if (cache_info->random_info != (RandomInfo *) NULL)
     cache_info->random_info=DestroyRandomInfo(cache_info->random_info);
-  if (cache_info->file_semaphore != (SemaphoreInfo *) NULL)
-    DestroySemaphoreInfo(&cache_info->file_semaphore);
+  if (cache_info->disk_semaphore != (SemaphoreInfo *) NULL)
+    DestroySemaphoreInfo(&cache_info->disk_semaphore);
   if (cache_info->semaphore != (SemaphoreInfo *) NULL)
     DestroySemaphoreInfo(&cache_info->semaphore);
   cache_info->signature=(~MagickSignature);
@@ -4399,12 +4413,10 @@ static MagickBooleanType ReadPixelCacheMetacontent(CacheInfo *cache_info,
       /*
         Read meta content from disk.
       */
-      LockSemaphoreInfo(cache_info->file_semaphore);
       if (OpenPixelCacheOnDisk(cache_info,IOMode) == MagickFalse)
         {
           ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
             cache_info->cache_filename);
-          UnlockSemaphoreInfo(cache_info->file_semaphore);
           return(MagickFalse);
         }
       if ((cache_info->columns == nexus_info->region.width) &&
@@ -4426,7 +4438,6 @@ static MagickBooleanType ReadPixelCacheMetacontent(CacheInfo *cache_info,
       }
       if (IsFileDescriptorLimitExceeded() != MagickFalse)
         (void) ClosePixelCacheOnDisk(cache_info);
-      UnlockSemaphoreInfo(cache_info->file_semaphore);
       if (y < (ssize_t) rows)
         {
           ThrowFileException(exception,CacheError,"UnableToReadPixelCache",
@@ -4535,12 +4546,10 @@ static MagickBooleanType ReadPixelCachePixels(CacheInfo *cache_info,
       /*
         Read pixels from disk.
       */
-      LockSemaphoreInfo(cache_info->file_semaphore);
       if (OpenPixelCacheOnDisk(cache_info,IOMode) == MagickFalse)
         {
           ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
             cache_info->cache_filename);
-          UnlockSemaphoreInfo(cache_info->file_semaphore);
           return(MagickFalse);
         }
       if ((cache_info->columns == nexus_info->region.width) &&
@@ -4560,7 +4569,6 @@ static MagickBooleanType ReadPixelCachePixels(CacheInfo *cache_info,
       }
       if (IsFileDescriptorLimitExceeded() != MagickFalse)
         (void) ClosePixelCacheOnDisk(cache_info);
-      UnlockSemaphoreInfo(cache_info->file_semaphore);
       if (y < (ssize_t) rows)
         {
           ThrowFileException(exception,CacheError,"UnableToReadPixelCache",
@@ -5292,12 +5300,10 @@ static MagickBooleanType WritePixelCacheMetacontent(CacheInfo *cache_info,
       /*
         Write associated pixels to disk.
       */
-      LockSemaphoreInfo(cache_info->file_semaphore);
       if (OpenPixelCacheOnDisk(cache_info,IOMode) == MagickFalse)
         {
           ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
             cache_info->cache_filename);
-          UnlockSemaphoreInfo(cache_info->file_semaphore);
           return(MagickFalse);
         }
       if ((cache_info->columns == nexus_info->region.width) &&
@@ -5319,7 +5325,6 @@ static MagickBooleanType WritePixelCacheMetacontent(CacheInfo *cache_info,
       }
       if (IsFileDescriptorLimitExceeded() != MagickFalse)
         (void) ClosePixelCacheOnDisk(cache_info);
-      UnlockSemaphoreInfo(cache_info->file_semaphore);
       if (y < (ssize_t) rows)
         {
           ThrowFileException(exception,CacheError,"UnableToWritePixelCache",
@@ -5428,12 +5433,10 @@ static MagickBooleanType WritePixelCachePixels(CacheInfo *cache_info,
       /*
         Write pixels to disk.
       */
-      LockSemaphoreInfo(cache_info->file_semaphore);
       if (OpenPixelCacheOnDisk(cache_info,IOMode) == MagickFalse)
         {
           ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
             cache_info->cache_filename);
-          UnlockSemaphoreInfo(cache_info->file_semaphore);
           return(MagickFalse);
         }
       if ((cache_info->columns == nexus_info->region.width) &&
@@ -5454,7 +5457,6 @@ static MagickBooleanType WritePixelCachePixels(CacheInfo *cache_info,
       }
       if (IsFileDescriptorLimitExceeded() != MagickFalse)
         (void) ClosePixelCacheOnDisk(cache_info);
-      UnlockSemaphoreInfo(cache_info->file_semaphore);
       if (y < (ssize_t) rows)
         {
           ThrowFileException(exception,CacheError,"UnableToWritePixelCache",

diff --git a/MagickCore/stream.c b/MagickCore/stream.c
index 160682cf2b804335fa47f2d7b91359ac000f585e..5e83f3d80e2f8b30e444f295c1a0c00c3354c595 100644 (file)
--- a/MagickCore/stream.c
+++ b/MagickCore/stream.c
@@ -235,8 +235,8 @@ static void DestroyPixelStream(Image *image)
   if (cache_info->nexus_info != (NexusInfo **) NULL)
     cache_info->nexus_info=DestroyPixelCacheNexus(cache_info->nexus_info,
       cache_info->number_threads);
-  if (cache_info->file_semaphore != (SemaphoreInfo *) NULL)
-    DestroySemaphoreInfo(&cache_info->file_semaphore);
+  if (cache_info->disk_semaphore != (SemaphoreInfo *) NULL)
+    DestroySemaphoreInfo(&cache_info->disk_semaphore);
   if (cache_info->semaphore != (SemaphoreInfo *) NULL)
     DestroySemaphoreInfo(&cache_info->semaphore);
   cache_info=(CacheInfo *) RelinquishMagickMemory(cache_info);