sighold.c

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/*!
   \file lib/manage/sighold.c
 
   \brief Manage Library - Hold signals
 
   (C) 2001-2011 by the GRASS Development Team
 
   This program is free software under the GNU General Public License
   (>=v2). Read the file COPYING that comes with GRASS for details.
 
   \author Original author CERL
 */
 
#include <signal.h>
#include <grass/config.h>
 
/*!
   \brief Hold signals
 
   \param hold
 
   \return 0
 */
int M__hold_signals(int hold)
{
    void (*sig)(int) = hold ? SIG_IGN : SIG_DFL;
 
    signal(SIGINT, sig);
 
#ifndef _WIN32
    signal(SIGQUIT, sig);
#endif
 
#ifdef SIGTSTP
    signal(SIGTSTP, sig);
#endif
 
    return 0;
}