From 091abed323c11c66d2595280d29be9cc2ac917c4 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@transmissionbt.com>
Date: Thu, 7 May 2009 11:54:09 +0000
Subject: [PATCH] (trunk libT) do for tr_close_file() what r8348 did for
 tr_open_file_for_scanning()

---
 libtransmission/fdlimit.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libtransmission/fdlimit.c b/libtransmission/fdlimit.c
index b0ca542ae..8fbe1f97f 100644
--- a/libtransmission/fdlimit.c
+++ b/libtransmission/fdlimit.c
@@ -243,7 +243,11 @@ void
 tr_close_file( int fd )
 {
 #if defined(HAVE_POSIX_FADVISE)
+    const int err = errno;
+    /* Set hint about not caching this file.
+       It's okay for this to fail silently, so don't let it affect errno */
     posix_fadvise( fd, 0, 0, POSIX_FADV_DONTNEED );
+    errno = err;
 #endif
     close( fd );
 }