Ensure we open UNIX fifo's non-blocking like we used to do.

Jeremy.
(This used to be commit 53f411df10f1e152d8d596cd24a2f66af9eb6e51)

1 files changed, 11 insertions, 0 deletions

diff --git a/source3/smbd/open.c b/source3/smbd/open.c
index 8cc73a681d..a95793a050 100644
--- a/source3/smbd/open.c
+++ b/source3/smbd/open.c
@@ -154,6 +154,17 @@ static BOOL open_file(files_struct *fsp,connection_struct *conn,
 
 		local_flags &= ~O_TRUNC;
 
+#if defined(O_NONBLOCK) && defined(S_ISFIFO)
+		/*
+		 * We would block on opening a FIFO with no one else on the
+		 * other end. Do what we used to do and add O_NONBLOCK to the
+		 * open flags. JRA.
+		 */
+
+		if (VALID_STAT(*psbuf) && S_ISFIFO(psbuf->st_mode))
+			local_flags |= O_NONBLOCK;
+#endif
+
 		/* actually do the open */
 		fsp->fd = fd_open(conn, fname, local_flags, mode);