[PATCH xserver] os: Increase default client buffer to 16kB

[Keith Packard]

This matches a change made in xcb and improves performance for a small
increase in memory usage.

Signed-off-by: Keith Packard <keithp at keithp.com>
---
 os/io.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/os/io.c b/os/io.c
index 19a449a..d04ebd8 100644
--- a/os/io.c
+++ b/os/io.c
@@ -132,8 +132,8 @@ static OsCommPtr AvailableInput = (OsCommPtr) NULL;
 				  ((xBigReq *)(req))->length)
 
 #define MAX_TIMES_PER         10
-#define BUFSIZE 4096
-#define BUFWATERMARK 8192
+#define BUFSIZE 16384
+#define BUFWATERMARK 32768
 
 /*
  *   A lot of the code in this file manipulates a ConnectionInputPtr:
-- 
2.8.0.rc3