Changeset 10928

Timestamp:

Jul 2, 2010, 12:48:49 PM (12 years ago)

Author:

charles

Message:

(2.0x libT) #3371 "Use F_NOCACHE to reduce the growth of Inactive Memory on OS X" -- added

File:

• branches/2.0x/libtransmission/fdlimit.c (modified) (1 diff)

branches/2.0x/libtransmission/fdlimit.c

@@ -395 +395 @@
 #endif
 
+#if defined( SYS_DARWIN )  
+    /** 
+     * 1. Enable readahead for reasons described above w/POSIX_FADV_SEQUENTIAL. 
+     * 2. Disable OS-level caching due to user reports of adverse effects of 
+     *    excessive inactive memory.
+     * It's okay for this to fail silently, so don't let it affect errno 
+     */ 
+    {
+        const int err = errno; 
+        fcntl( file->fd, F_NOCACHE, 1 );  
+        fcntl( file->fd, F_RDAHEAD, 1 );  
+        errno = err; 
+    }
+#endif
+
     return 0;
 }