Edit: /usr/include/proftpd/signals.h (1879B)
/*
* ProFTPD - FTP server daemon
* Copyright (c) 2014-2023 The ProFTPD Project team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, the ProFTPD Project team and other respective
* copyright holders give permission to link this program with OpenSSL, and
* distribute the resulting executable, without including the source code for
* OpenSSL in the source distribution.
*/
/* Signal handling API. */
#ifndef PR_SIGNALS_H
#define PR_SIGNALS_H
#include "config.h"
void pr_signals_block(void);
void pr_signals_unblock(void);
void pr_signals_handle(void);
/* When processing any signal interruptions, we add a little delay, to
* ensure that we do not spin tightly in a loop, spiking CPU usage. However
* there are situations where such delay should NOT be added, as in the
* daemon process and connection acceptance. Thus only in very specific
* situations should this "without delay" variant of signal handling be used.
*/
void pr_signals_handle_without_delay(void);
/* Signal handling functions. */
RETSIGTYPE pr_signals_handle_disconnect(int);
RETSIGTYPE pr_signals_handle_event(int);
/* Internal use only. */
int init_signals(void);
#endif /* PR_SIGNALS_H */