mirror of
https://github.com/OpenVPN/openvpn.git
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d7fa38f2a9
git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@4477 e7ae566f-a301-0410-adde-c780ea21d3b5
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/*
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* OpenVPN -- An application to securely tunnel IP networks
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* over a single TCP/UDP port, with support for SSL/TLS-based
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* session authentication and key exchange,
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* packet encryption, packet authentication, and
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* packet compression.
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*
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* Copyright (C) 2002-2009 OpenVPN Technologies, Inc. <sales@openvpn.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SIG_H
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#define SIG_H
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#include "status.h"
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#include "win32.h"
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/*
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* Signal information, including signal code
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* and descriptive text.
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*/
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struct signal_info
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{
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volatile int signal_received;
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volatile bool hard;
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const char *signal_text;
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};
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#define IS_SIG(c) ((c)->sig->signal_received)
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struct context;
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extern struct signal_info siginfo_static;
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int parse_signal (const char *signame);
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const char *signal_name (const int sig, const bool upper);
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const char *signal_description (const int signum, const char *sigtext);
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void throw_signal (const int signum);
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void throw_signal_soft (const int signum, const char *signal_text);
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void pre_init_signal_catch (void);
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void post_init_signal_catch (void);
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void restore_signal_state (void);
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void print_signal (const struct signal_info *si, const char *title, int msglevel);
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void print_status (const struct context *c, struct status_output *so);
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void remap_signal (struct context *c);
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void signal_restart_status (const struct signal_info *si);
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bool process_signal (struct context *c);
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#ifdef ENABLE_OCC
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void process_explicit_exit_notification_timer_wakeup (struct context *c);
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#endif
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#ifdef WIN32
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static inline void
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get_signal (volatile int *sig)
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{
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*sig = win32_signal_get (&win32_signal);
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}
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static inline void
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halt_non_edge_triggered_signals (void)
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{
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win32_signal_close (&win32_signal);
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}
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#else
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static inline void
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get_signal (volatile int *sig)
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{
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const int i = siginfo_static.signal_received;
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if (i)
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*sig = i;
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}
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static inline void
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halt_non_edge_triggered_signals (void)
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{
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}
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#endif
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#endif
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