[Emacs-diffs] Changes to emacs/src/mac.c

[Andrew Choi]

Index: emacs/src/mac.c
diff -c emacs/src/mac.c:1.7 emacs/src/mac.c:1.8
*** emacs/src/mac.c:1.7 Fri Aug  2 16:34:38 2002
--- emacs/src/mac.c     Sat Aug 10 20:26:24 2002
***************
*** 2745,2750 ****
--- 2745,2774 ----
    return Qnil;
  }
  
+ #ifdef MAC_OSX
+ #undef select
+ 
+ extern int inhibit_window_system;
+ 
+ /* When Emacs is started from the Finder, SELECT always immediately
+    returns as if input is present when file descriptor 0 is polled for
+    input.  Strangely, when Emacs is run as a GUI application from the
+    command line, it blocks in the same situation.  This `wrapper' of
+    the system call SELECT corrects this discrepancy.  */
+ int
+ sys_select (n, rfds, wfds, efds, timeout)
+   int n;
+   SELECT_TYPE *rfds;
+   SELECT_TYPE *wfds;
+   SELECT_TYPE *efds;
+   struct timeval *timeout;
+ {
+   if (!inhibit_window_system && rfds && FD_ISSET (0, rfds))
+     return 1;
+   else
+     return select (n, rfds, wfds, efds, timeout);
+ }
+ #endif /* MAC_OSX */
  
  void
  syms_of_mac ()