From 7960ea8918c601c6f5c35f50a118a51ca0fbea84 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Thu, 16 Oct 2008 06:34:10 +0000
Subject: [PATCH] Confirmed that on Linux the serial interrupt takes precedence
 over the timer interrupt, so we don't need to worry about scheduler delays. 
 This means the delay can be trimmed down to 25 miliseconds.  Add comment
 while at it.

---
 editors/vi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/editors/vi.c b/editors/vi.c
index 75e158cfc..a75735945 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -2280,8 +2280,9 @@ static char readit(void)	// read (maybe cursor) key from stdin
 					struct pollfd pfd;
 					pfd.fd = 0;
 					pfd.events = POLLIN;
-					// Rob needed 300ms timeout on qemu
-					if (safe_poll(&pfd, 1, /*timeout:*/ 300)) {
+					// Timeout is needed to reconnect escape sequences split
+					// up by transmission over a serial console.
+					if (safe_poll(&pfd, 1, 25)) {
 						if (safe_read(0, readbuffer + n, 1) <= 0)
 							goto error;
 						n++;