1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Copyright (C) 2007-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "glue.h"
#include "sig_integer.h"
static void
sig_integer_flush(struct sig_integer *b)
{
int new_val;
unsigned int nr;
if (0 < b->out_count) {
new_val = b->out[0].out;
} else {
new_val = 0;
}
for (nr = 0; nr < b->in_count; nr++) {
void (*func)(void *, int);
func = b->in[nr].f->set;
if (func
/* && b->in[nr].in != new_val */) {
b->in[nr].in = new_val;
func(b->in[nr].s, new_val);
}
}
}
void
sig_integer_set(struct sig_integer *b, void *s, int val)
{
unsigned int nr;
again: ;
for (nr = 0; ; nr++) {
if (nr == b->out_count) {
fprintf(stderr, "WARNING: late registration of integer driver of %p!\n", s);
sig_integer_connect_out(b, s, 0);
goto again;
}
assert(nr < b->out_count);
if (b->out[nr].s == s) {
b->out[nr].out = val;
break;
}
}
sig_integer_flush(b);
}
void
sig_integer_connect_in(
struct sig_integer *b,
void *s,
const struct sig_integer_funcs *f
)
{
assert(b);
assert(b->type == SIG_GEN_INTEGER);
assert(b->in_count < sizeof(b->in) / sizeof(b->in[0]));
assert(s);
assert(f);
b->in[b->in_count].s = s;
b->in[b->in_count].f = f;
b->in[b->in_count].in = 0;
b->in_count++;
sig_integer_flush(b);
}
void
sig_integer_connect_out(struct sig_integer *b, void *s, int val)
{
assert(b);
assert(b->type == SIG_GEN_INTEGER);
assert(b->out_count < sizeof(b->out) / sizeof(b->out[0]));
// assert(s);
if (! s) {
fprintf(stderr, "WARNING: %s: s is NULL pointer!\n",
__FUNCTION__);
}
b->out[b->out_count].s = s;
b->out[b->out_count].out = val;
b->out_count++;
sig_integer_flush(b);
}
struct sig_integer_merge *
sig_integer_merge(struct sig_integer *s0, struct sig_integer *s1)
{
fixme();
return NULL;
}
void
sig_integer_split(struct sig_integer_merge *m)
{
fixme();
}
struct sig_integer *
sig_integer_create(const char *name)
{
struct sig_integer *b;
b = shm_alloc(sizeof(*b));
assert(b);
memset(b, 0, sizeof(*b));
b->type = SIG_GEN_INTEGER;
b->in_count = 0;
b->out_count = 0;
return b;
}
void
sig_integer_destroy(struct sig_integer *sig)
{
assert(sig);
assert(sig->type == SIG_GEN_INTEGER);
shm_free(sig);
}
void
sig_integer_suspend(struct sig_integer *b, FILE *fSig)
{
size_t size = sizeof(*b);
generic_suspend(b, size, fSig);
}
void
sig_integer_resume(struct sig_integer *b, FILE *fSig)
{
size_t size = sizeof(*b);
generic_resume(b, size, fSig);
}
|
