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/* 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 */
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