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[mLib] / sig.h
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9f8886c7 1/* -*-c-*-
2 *
c6e0eaf0 3 * $Id: sig.h,v 1.2 1999/12/10 23:42:04 mdw Exp $
9f8886c7 4 *
5 * Signal handling
6 *
7 * (c) 1999 Straylight/Edgeware
8 */
9
10/*----- Licensing notice --------------------------------------------------*
11 *
12 * This file is part of the mLib utilities library.
13 *
14 * mLib is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU Library General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (at your option) any later version.
18 *
19 * mLib is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU Library General Public License for more details.
23 *
24 * You should have received a copy of the GNU Library General Public
25 * License along with mLib; if not, write to the Free
26 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
27 * MA 02111-1307, USA.
28 */
29
30/*----- Revision history --------------------------------------------------*
31 *
32 * $Log: sig.h,v $
c6e0eaf0 33 * Revision 1.2 1999/12/10 23:42:04 mdw
34 * Change header file guard names.
35 *
9f8886c7 36 * Revision 1.1 1999/07/26 23:16:26 mdw
37 * Signal handling integrated into I/O system.
38 *
39 */
40
c6e0eaf0 41#ifndef MLIB_SIG_H
42#define MLIB_SIG_H
9f8886c7 43
44#ifdef __cplusplus
45 extern "C" {
46#endif
47
48/*----- Header files ------------------------------------------------------*/
49
50#include <signal.h>
51
52#include "sel.h"
53
54/*----- Data structures ---------------------------------------------------*/
55
56typedef struct sig {
57 struct sig *next;
58 struct sig *prev;
59 int sig;
60 void (*proc)(int /*n*/, void */*p*/);
61 void *p;
62} sig;
63
64/*----- Functions provided ------------------------------------------------*/
65
66/* --- @sig_add@ --- *
67 *
68 * Arguments: @sig *s@ = pointer to signal handler block
69 * @int n@ = number of the signal
70 * @void (*proc)(int n, void *p)@ = signal handler function
71 * @void *p@ = argument to pass to handler
72 *
73 * Returns: ---
74 *
75 * Use: Adds a signal handler.
76 */
77
78extern void sig_add(sig */*s*/, int /*n*/,
79 void (*/*proc*/)(int /*n*/, void */*p*/), void */*p*/);
80
81/* --- @sig_remove@ --- *
82 *
83 * Arguments: @sig *s@ = pointer to signal handler block
84 *
85 * Returns: ---
86 *
87 * Use: Removes the signal handler from the list.
88 */
89
90extern void sig_remove(sig */*s*/);
91
92/* --- @sig_init@ --- *
93 *
94 * Arguments: @sel_state *s@ = pointer to select state
95 *
96 * Returns: ---
97 *
98 * Use: Initializes the signal handling system ready for use.
99 */
100
101extern void sig_init(sel_state */*s*/);
102
103/*----- That's all, folks -------------------------------------------------*/
104
105#ifdef __cplusplus
106 }
107#endif
108
109#endif