From: Richard M. Stallman <rms@gnu.org>
Date: Mon, 27 Nov 1995 20:05:44 +0000 (+0000)
Subject: (sys_select): Check timer once even if input is pending.
X-Git-Tag: emacs-19.34~2203
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=bba35edee6ad9c4d193eb1bfc4f64ee14d89b5ac;p=emacs.git

(sys_select): Check timer once even if input is pending.
---

diff --git a/src/msdos.c b/src/msdos.c
index e3426b05b38..a05149eea33 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -2434,8 +2434,9 @@ sys_select (nfds, rfds, wfds, efds, timeout)
      just read it and wait -- that's more efficient.  */
   if (!timeout)
     {
-      while (! detect_input_pending ())
-	check_timer (&t);
+      do
+	check_timer (&t);  /* check timer even if some input is pending */
+      while (!detect_input_pending ());
     }
   else
     {