From 2bc8552c79240896ed28926580c9d8aebd5693fe Mon Sep 17 00:00:00 2001
From: Yann Dirson <ydirson@free.fr>
Date: Mon, 14 Oct 2013 21:46:46 +0200
Subject: [PATCH] Finally get rid of that highly non-standard use of SIGINT.

People will at last be able to Ctrl-C gnushogi :)
---
 gnushogi/commondsp.c |    2 --
 gnushogi/init.c      |    2 --
 gnushogi/rawdsp.c    |    7 -------
 xshogi/xshogi.c      |   12 +++++-------
 4 files changed, 5 insertions(+), 18 deletions(-)

diff --git a/gnushogi/commondsp.c b/gnushogi/commondsp.c
index 1f39b78..c00338a 100644
--- a/gnushogi/commondsp.c
+++ b/gnushogi/commondsp.c
@@ -2161,8 +2161,6 @@ InputCommand(char *command)
         printf("\n");
 #endif
     }
-
-    signal(SIGINT, TerminateSearch);
 }
 
 
diff --git a/gnushogi/init.c b/gnushogi/init.c
index 74e1744..7b9663b 100644
--- a/gnushogi/init.c
+++ b/gnushogi/init.c
@@ -1277,8 +1277,6 @@ InitMain(void)
 
     if (XSHOGI)
     {
-        signal(SIGINT, TerminateSearch);
-
         TCmoves      = 40;
         TCminutes    = 5;
         TCseconds    = 0;
diff --git a/gnushogi/rawdsp.c b/gnushogi/rawdsp.c
index d3f3055..27e558c 100644
--- a/gnushogi/rawdsp.c
+++ b/gnushogi/rawdsp.c
@@ -315,9 +315,6 @@ Raw_help(void)
            (TCflag) ? CP[93] : CP[92],
            TimeControl.moves[black], TimeControl.clock[black] / 100,
            TCadd/100, MaxSearchDepth);
-
-    signal(SIGINT, Raw_TerminateSearch);
-    signal(SIGQUIT, Raw_TerminateSearch);
 }
 
 
@@ -489,9 +486,6 @@ SetupBoard(void)
 void
 Raw_SearchStartStuff(short side)
 {
-    signal(SIGINT, Raw_TerminateSearch);
-    signal(SIGQUIT, Raw_TerminateSearch);
-
     if (flag.post)
     {
         printf(CP[123],
@@ -969,4 +963,3 @@ Raw_ShowPostnValues(void)
            mtl[opponent], pscore[opponent], GameType[opponent]);
     printf("\nhung black %d hung white %d\n", hung[black], hung[white]);
 }
-
diff --git a/xshogi/xshogi.c b/xshogi/xshogi.c
index 1d998d6..ff2bdc3 100644
--- a/xshogi/xshogi.c
+++ b/xshogi/xshogi.c
@@ -7130,23 +7130,21 @@ void DisplayTitle(char *title)
 
 
 
-/* CHECKME: does this work?
- * This routine sends a SIGINT (^C interrupt) to gnushogi to awaken it
+/*
+ * This routine used to send a SIGINT (^C interrupt) to gnushogi to awaken it
  * if it might be busy thinking on our time.  This normally isn't needed,
  * but is useful on systems where the FIONREAD ioctl doesn't work since
  * on those systems the gnushogi feature that lets you interrupt its thinking
  * just by typing a command does not work.
  *
- * In the future, similar code could be used to stop gnushogi and make
- * it move immediately when it is thinking about its own move; this could
- * be useful if we want to make Backward or ForceMoves work while gnushogi
- * is thinking.
+ * Now gnushogi periodically checks for user input without a need for
+ * this hack.
  */
 
 void
 Attention(int pid)
 {
-#if !defined(FIONREAD)
+#if 0
     if (localPlayer.appData.noShogiProgram || (pid == 0))
         return;
 
-- 
1.7.0.4