From 15bab70eaed146cc5675bdc6aa496f4c871ad739 Mon Sep 17 00:00:00 2001
From: Rafal Wojtczuk <rafal@invisiblethingslab.com>
Date: Wed, 16 Mar 2011 15:18:37 +0100
Subject: [PATCH] Handle pipe io in qrexec_agent properly

Don't reopen pipe after each read - no need, and it could lose events.
---
 qrexec/qrexec_agent.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qrexec/qrexec_agent.c b/qrexec/qrexec_agent.c
index 94cab149..3245d870 100644
--- a/qrexec/qrexec_agent.c
+++ b/qrexec/qrexec_agent.c
@@ -483,9 +483,12 @@ void handle_trigger_io()
 			write_all_vchan_ext(&s_hdr, sizeof s_hdr);
 		}
 	}
+// trigger_fd is nonblock - so no need to reopen
+#if 0
 	close(trigger_fd);
 	trigger_fd =
 	    open(QREXEC_AGENT_TRIGGER_PATH, O_RDONLY | O_NONBLOCK);
+#endif
 }
 
 int main()