1 files changed, 76 insertions, 0 deletions
diff --git a/mysys/mf_brkhant.c b/mysys/mf_brkhant.c
new file mode 100644
index 00000000000..4e4bc2410f9
--- /dev/null
+++ b/mysys/mf_brkhant.c
@@ -0,0 +1,76 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
+/* Dont let the user break when you are doing something important */
+/* Remembers if it got 'SIGINT' and executes it on allow_break */
+/* A static buffer is used; don't call dont_break() twice in a row */
+
+#include "mysys_priv.h"
+#include "my_static.h"
+
+	/* Set variable that we can't break */
+
+void dont_break(void)
+{
+#if !defined(THREAD)
+  my_dont_interrupt=1;
+#endif
+  return;
+} /* dont_break */
+
+void allow_break(void)
+{
+#if !defined(THREAD)
+  {
+    reg1 int index;
+
+    my_dont_interrupt=0;
+    if (_my_signals)
+    {
+      if (_my_signals > MAX_SIGNALS)
+	_my_signals=MAX_SIGNALS;
+      for (index=0 ; index < _my_signals ; index++)
+      {
+	if (_my_sig_remember[index].func)			/* Safequard */
+	{
+	  (*_my_sig_remember[index].func)(_my_sig_remember[index].number);
+	  _my_sig_remember[index].func=0;
+	}
+      }
+      _my_signals=0;
+    }
+  }
+#endif
+} /* dont_break */
+
+	/* Set old status */
+
+#if !defined(THREAD)
+void my_remember_signal(int signal_number, sig_handler (*func) (int))
+{
+#ifndef __WIN__
+  reg1 int index;
+
+  index=_my_signals++;			/* Nobody can break a ++ ? */
+  if (index < MAX_SIGNALS)
+  {
+    _my_sig_remember[index].number=signal_number;
+    _my_sig_remember[index].func=func;
+  }
+#endif /* __WIN__ */
+} /* my_remember_signal */
+#endif /* THREAD */