From 95025349faabec99d6c6758351a5543caaa54c18 Mon Sep 17 00:00:00 2001 From: Spencer Oliver Date: Wed, 12 Dec 2012 15:42:01 +0000 Subject: [PATCH] helper: improve windows gdb pipe performance Reducing the select and MsgWaitForMultipleObjects timeouts to 1ms makes a 2-300+% increase in the step time of gdb when using pipes under windows OS. Change-Id: Id7e52cfb2b206347a9caea61672885a3e2b186de Signed-off-by: Spencer Oliver Reviewed-on: http://openocd.zylin.com/1050 Tested-by: jenkins --- src/helper/replacements.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/helper/replacements.c b/src/helper/replacements.c index 583e6162a8..0ba98a488e 100644 --- a/src/helper/replacements.c +++ b/src/helper/replacements.c @@ -206,10 +206,11 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time aexcept = sock_except; tvslice.tv_sec = 0; - tvslice.tv_usec = 100000; + tvslice.tv_usec = 1000; retcode = select(sock_max_fd + 1, &aread, &awrite, &aexcept, &tvslice); } + if (n_handles > 0) { /* check handles */ DWORD wret; @@ -217,7 +218,7 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time wret = MsgWaitForMultipleObjects(n_handles, handles, FALSE, - retcode > 0 ? 0 : 100, + retcode > 0 ? 0 : 1, QS_ALLEVENTS); if (wret == WAIT_TIMEOUT) { -- 2.30.2