Fix opening a fifo with O_RDWR

We should not wait for a writer in that case, since that will be ourself.

* trans/fifo.c (open_hook): Do not wait for a writer when flags contains
O_WRITE.

1 files changed, 1 insertions, 1 deletions

diff --git a/trans/fifo.c b/trans/fifo.c
index a9ad2dd2..f52baba9 100644
--- a/trans/fifo.c
+++ b/trans/fifo.c
@@ -169,7 +169,7 @@ open_hook (struct trivfs_peropen *po)
 		 make us block because we've ensured that there's a reader
 		 for it.  */
 
-	      if (wait_for_writer)
+	      if (wait_for_writer && (!(flags & O_WRITE)))
 		/* Wait until there's a writer.  */
 		{
 		  WAIT (active_fifo->writers, 0);