ncurses 6.4 - patch 20240414

[ncurses.git] / ncurses / tty / lib_tstp.c

diff --git a/ncurses/tty/lib_tstp.c b/ncurses/tty/lib_tstp.c
index 43a58e660a161f757047560c8dc12f0b55caef8b..dd925c7efd12b16045644b4e324bedb97798496b 100644 (file)
--- a/ncurses/tty/lib_tstp.c
+++ b/ncurses/tty/lib_tstp.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 2020-2021,2022 Thomas E. Dickey                                *
  * Copyright 1998-2014,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -43,7 +43,7 @@
 
 #include <SigAction.h>
 
-MODULE_ID("$Id: lib_tstp.c,v 1.50 2020/02/02 23:34:34 tom Exp $")
+MODULE_ID("$Id: lib_tstp.c,v 1.54 2022/12/24 22:22:10 tom Exp $")
 
 #if defined(SIGTSTP) && (HAVE_SIGACTION || HAVE_SIGVEC)
 #define USE_SIGTSTP 1
@@ -130,7 +130,7 @@ signal_name(int sig)
  * (this may include XENIX).
  *
  * This implementation will probably be changed to use signal(3) in
- * the future.  If nothing else, it's simpler...
+ * the future.  If nothing else, it is simpler...
  */
 
 #if USE_SIGTSTP
@@ -283,7 +283,25 @@ handle_SIGINT(int sig)
     _exit(EXIT_FAILURE);
 }
 
+# ifndef _nc_set_read_thread
+NCURSES_EXPORT(void)
+_nc_set_read_thread(bool enable)
+{
+    _nc_lock_global(curses);
+    if (enable) {
+#  if USE_WEAK_SYMBOLS
+       if ((pthread_self) && (pthread_kill) && (pthread_equal))
+#  endif
+           _nc_globals.read_thread = pthread_self();
+    } else {
+       _nc_globals.read_thread = 0;
+    }
+    _nc_unlock_global(curses);
+}
+# endif
+
 #if USE_SIGWINCH
+
 static void
 handle_SIGWINCH(int sig GCC_UNUSED)
 {