* macterm.c (mac_check_for_quit_char): Correctly set the

	modifiers of the event to 0.
	* mac.c (sys_select): Duplicate rfds before calling select to
	ensure that rfds survive the while loop.

1 files changed, 14 insertions, 4 deletions

diff --git a/src/mac.c b/src/mac.c
index e81007c4781..bc2d342b197 100644
--- a/src/mac.c
+++ b/src/mac.c
@@ -2776,7 +2776,7 @@ sys_select (n, rfds, wfds, efds, timeout)
   else
     {
       EMACS_TIME end_time, now;
-      
+
       EMACS_GET_TIME (end_time);
       if (timeout)
         EMACS_ADD_TIME (end_time, end_time, *timeout);
@@ -2785,6 +2785,13 @@ sys_select (n, rfds, wfds, efds, timeout)
         {
           int r;
           EMACS_TIME one_second;
+          SELECT_TYPE orfds;
+          
+          FD_ZERO (&orfds);
+          if (rfds)
+            {
+              orfds = *rfds;
+            }
           
           EMACS_SET_SECS (one_second, 1);
           EMACS_SET_USECS (one_second, 0);
@@ -2792,9 +2799,12 @@ sys_select (n, rfds, wfds, efds, timeout)
           if (timeout && EMACS_TIME_LT(*timeout, one_second))
             one_second = *timeout;
 
-          if ((r = select (n, rfds, wfds, efds, &one_second)) > 0)
-            return r;
-          
+          if ((r = select (n, &orfds, wfds, efds, &one_second)) > 0)
+            {
+              *rfds = orfds;
+              return r;
+            }
+
           mac_check_for_quit_char();
           
           EMACS_GET_TIME (now);