blob: 084fa7d151e0395d99b837fcf1bf299432d0e32b [file] [log] [blame]
Willy Tarreau8f38bd02009-05-10 08:53:33 +02001/*
Willy Tarreau24f4efa2010-08-27 17:56:48 +02002 * include/proto/signal.h
Willy Tarreau8f38bd02009-05-10 08:53:33 +02003 * Asynchronous signal delivery functions.
4 *
Willy Tarreau24f4efa2010-08-27 17:56:48 +02005 * Copyright 2000-2010 Willy Tarreau <w@1wt.eu>
Willy Tarreau8f38bd02009-05-10 08:53:33 +02006 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 *
12 */
13
14#include <signal.h>
15#include <common/standard.h>
Christopher Fauletb79a94c2017-05-30 15:34:30 +020016#include <common/hathreads.h>
17
Willy Tarreau8f38bd02009-05-10 08:53:33 +020018#include <types/signal.h>
Willy Tarreaudd2f85e2012-09-02 22:34:23 +020019#include <types/task.h>
Willy Tarreau8f38bd02009-05-10 08:53:33 +020020
21extern int signal_queue_len;
22extern struct signal_descriptor signal_state[];
Willy Tarreau24f4efa2010-08-27 17:56:48 +020023extern struct pool_head *pool2_sig_handlers;
Willy Tarreau8f38bd02009-05-10 08:53:33 +020024
Christopher Fauletb79a94c2017-05-30 15:34:30 +020025#ifdef USE_THREAD
26extern HA_SPINLOCK_T signals_lock;
27#endif
28
Willy Tarreaud0807c32010-08-27 18:26:11 +020029void signal_handler(int sig);
Willy Tarreau8f38bd02009-05-10 08:53:33 +020030void __signal_process_queue();
Willy Tarreau24f4efa2010-08-27 17:56:48 +020031int signal_init();
32void deinit_signals();
33struct sig_handler *signal_register_fct(int sig, void (*fct)(struct sig_handler *), int arg);
34struct sig_handler *signal_register_task(int sig, struct task *task, int reason);
35void signal_unregister_handler(struct sig_handler *handler);
36void signal_unregister_target(int sig, void *target);
Willy Tarreau8f38bd02009-05-10 08:53:33 +020037
38static inline void signal_process_queue()
39{
40 if (unlikely(signal_queue_len > 0))
41 __signal_process_queue();
42}
Willy Tarreau24f4efa2010-08-27 17:56:48 +020043
44/*
45 * Local variables:
46 * c-indent-level: 8
47 * c-basic-offset: 8
48 * End:
49 */