xref: /netbsd-src/usr.bin/mail/sig.h (revision a7879b44e9ef0ed78a5285a001f14f8c9b004d0c)
1*a7879b44Schristos /*	$NetBSD: sig.h,v 1.2 2012/06/12 19:03:26 christos Exp $	*/
2ca13337dSchristos 
3ca13337dSchristos /*-
4ca13337dSchristos  * Copyright (c) 2006 The NetBSD Foundation, Inc.
5ca13337dSchristos  * All rights reserved.
6ca13337dSchristos  *
7ca13337dSchristos  * Redistribution and use in source and binary forms, with or without
8ca13337dSchristos  * modification, are permitted provided that the following conditions
9ca13337dSchristos  * are met:
10ca13337dSchristos  * 1. Redistributions of source code must retain the above copyright
11ca13337dSchristos  *    notice, this list of conditions and the following disclaimer.
12ca13337dSchristos  * 2. Redistributions in binary form must reproduce the above copyright
13ca13337dSchristos  *    notice, this list of conditions and the following disclaimer in the
14ca13337dSchristos  *    documentation and/or other materials provided with the distribution.
15ca13337dSchristos  *
16ca13337dSchristos  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17ca13337dSchristos  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18ca13337dSchristos  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19ca13337dSchristos  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20ca13337dSchristos  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21ca13337dSchristos  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22ca13337dSchristos  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23ca13337dSchristos  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24ca13337dSchristos  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25ca13337dSchristos  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26ca13337dSchristos  * POSSIBILITY OF SUCH DAMAGE.
27ca13337dSchristos  */
28ca13337dSchristos 
29ca13337dSchristos #ifndef __SIG_H__
30ca13337dSchristos #define __SIG_H__
31ca13337dSchristos 
32ca13337dSchristos int sig_ignore(int, struct sigaction *, sigset_t *);
33ca13337dSchristos int sig_restore(int, struct sigaction *, sigset_t *);
34ca13337dSchristos int sig_setflags(int, int, struct sigaction *);
35ca13337dSchristos 
36ca13337dSchristos void sig_hold(void);
37ca13337dSchristos void sig_release(void);		/* XXX: should this be named sig_relse()? */
38ca13337dSchristos 
39ca13337dSchristos void sig_check(void);
40ca13337dSchristos void sig_setup(void);
41ca13337dSchristos sig_t sig_signal(int, sig_t);
42*a7879b44Schristos sig_t sig_current(int);
43ca13337dSchristos 
44ca13337dSchristos #endif /* __SIG_H__ */
45ca13337dSchristos 
46