9f8886c7 |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: sig.h,v 1.1 1999/07/26 23:16:26 mdw Exp $ |
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 $ |
33 | * Revision 1.1 1999/07/26 23:16:26 mdw |
34 | * Signal handling integrated into I/O system. |
35 | * |
36 | */ |
37 | |
38 | #ifndef SIG_H |
39 | #define SIG_H |
40 | |
41 | #ifdef __cplusplus |
42 | extern "C" { |
43 | #endif |
44 | |
45 | /*----- Header files ------------------------------------------------------*/ |
46 | |
47 | #include <signal.h> |
48 | |
49 | #include "sel.h" |
50 | |
51 | /*----- Data structures ---------------------------------------------------*/ |
52 | |
53 | typedef struct sig { |
54 | struct sig *next; |
55 | struct sig *prev; |
56 | int sig; |
57 | void (*proc)(int /*n*/, void */*p*/); |
58 | void *p; |
59 | } sig; |
60 | |
61 | /*----- Functions provided ------------------------------------------------*/ |
62 | |
63 | /* --- @sig_add@ --- * |
64 | * |
65 | * Arguments: @sig *s@ = pointer to signal handler block |
66 | * @int n@ = number of the signal |
67 | * @void (*proc)(int n, void *p)@ = signal handler function |
68 | * @void *p@ = argument to pass to handler |
69 | * |
70 | * Returns: --- |
71 | * |
72 | * Use: Adds a signal handler. |
73 | */ |
74 | |
75 | extern void sig_add(sig */*s*/, int /*n*/, |
76 | void (*/*proc*/)(int /*n*/, void */*p*/), void */*p*/); |
77 | |
78 | /* --- @sig_remove@ --- * |
79 | * |
80 | * Arguments: @sig *s@ = pointer to signal handler block |
81 | * |
82 | * Returns: --- |
83 | * |
84 | * Use: Removes the signal handler from the list. |
85 | */ |
86 | |
87 | extern void sig_remove(sig */*s*/); |
88 | |
89 | /* --- @sig_init@ --- * |
90 | * |
91 | * Arguments: @sel_state *s@ = pointer to select state |
92 | * |
93 | * Returns: --- |
94 | * |
95 | * Use: Initializes the signal handling system ready for use. |
96 | */ |
97 | |
98 | extern void sig_init(sel_state */*s*/); |
99 | |
100 | /*----- That's all, folks -------------------------------------------------*/ |
101 | |
102 | #ifdef __cplusplus |
103 | } |
104 | #endif |
105 | |
106 | #endif |