From 71a04ce117c93241db5547f8b2c7171293df0caa Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Thu, 14 Jan 2021 01:58:58 +0700
Subject: [PATCH] Remove unused FileIOFlag, TimerFlag. (#221)

---
 inc/lspglob.h  | 3 ---
 src/keyevent.c | 2 --
 src/timer.c    | 5 -----
 3 files changed, 10 deletions(-)

diff --git a/inc/lspglob.h b/inc/lspglob.h
index afa53c2..7ea1269 100755
--- a/inc/lspglob.h
+++ b/inc/lspglob.h
@@ -100,9 +100,6 @@ extern LispPTR *MDS_free_page_word;
 
 extern LispPTR *Reclaim_cnt_word ;
 
-
-extern int FileIOFlag, TimerFlag;
-
 /*** cache values for array reclaimer by Tomtom 30-Sep-1987 ***/
 
 extern LispPTR *GcDisabled_word;
diff --git a/src/keyevent.c b/src/keyevent.c
index 2d9bf7a..27d4086 100644
--- a/src/keyevent.c
+++ b/src/keyevent.c
@@ -192,8 +192,6 @@ typedef struct {
   }
 #endif /* OLD_CURSOR */
 
-/* function that checks to see if more input is waiting on a file;
-        if some is, it bumps FileIOFlag so it'll get seen next time around */
 /* commented out is some code that would also clobber
         Irq_Stk_Check & Irq_Stk_End to force
         a new interrupt as rapidly as possible; it causes odd behavior...
diff --git a/src/timer.c b/src/timer.c
index 2592f51..f92af42 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -412,8 +412,6 @@ int TIMER_INTERVAL = 100000;
 int TIMER_INTERVAL = 25000;
 #endif
 
-int FileIOFlag = 0;
-int TimerFlag = 0;
 extern int LispWindowFd;
 
 /************************************************************************/
@@ -432,7 +430,6 @@ static void int_timer_service(int sig)
 
   Irq_Stk_Check = 0;
   Irq_Stk_End = 0;
-  TimerFlag = 1;
 
 #ifdef XWINDOW
   Event_Req = TRUE;
@@ -459,7 +456,6 @@ static void int_timer_init()
   *  locked prior to receiving any interrupts.  This prevents the Timer
   *  function from being swapped out during an interrupt.
   ******************************************************************************/
-  _dpmi_lockregion((void *)TimerFlag, sizeof(TimerFlag));
   _dpmi_lockregion((void *)Irq_Stk_End, sizeof(Irq_Stk_End));
   _dpmi_lockregion((void *)Irq_Stk_Check, sizeof(Irq_Stk_Check));
   _dpmi_lockregion((void *)tick_count, sizeof(tick_count));
@@ -860,7 +856,6 @@ void DOStimer() {
   /* if (--tick_count == 0) { */
   Irq_Stk_Check = 0;
   Irq_Stk_End = 0;
-  TimerFlag = 1;
   /*   _dos_setvect(0x1c, prev_int_1c);
    } else if (tick_count <= 0) { */
   /* I'm dead, uninstal me */