various small cleanups detailed in changelogs

[bpt/emacs.git] / src / keyboard.c

diff --git a/src/keyboard.c b/src/keyboard.c
index 219b42c..716d110 100644 (file)
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -7308,10 +7308,6 @@ tty_read_avail_input (struct terminal *terminal,
 void
 handle_async_input ()
 {
-#ifdef BSD4_1
-  extern int select_alarmed;
-#endif
-
   interrupt_input_pending = 0;
 
   while (1)
@@ -7323,10 +7319,6 @@ handle_async_input ()
         0 means there was no keyboard input available.  */
       if (nread <= 0)
        break;
-
-#ifdef BSD4_1
-      select_alarmed = 1;  /* Force the select emulator back to life */
-#endif
     }
 }
 
@@ -7345,10 +7337,6 @@ input_available_signal (signo)
   signal (signo, input_available_signal);
 #endif /* USG */
 
-#ifdef BSD4_1
-  sigisheld (SIGIO);
-#endif
-
 #ifdef SYNC_INPUT
   interrupt_input_pending = 1;
 #else
@@ -7362,9 +7350,6 @@ input_available_signal (signo)
   handle_async_input ();
 #endif
 
-#ifdef BSD4_1
-  sigfree ();
-#endif
   errno = old_errno;
 }
 #endif /* SIGIO */