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
|
/*
* Copyright (C) 2025 Nicolas Dato
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Compile with
* gcc -o simple simple.c -ltuberia -lpthread
* or
* gcc -o simple simple.c `pkg-config --cflags --libs --static tuberia`
*/
#include <stdio.h>
#include <stdlib.h>
#include <tuberia.h>
void *stage_one(void *element, void *opaque)
{
(void)opaque;
int *i = element;
*i += 5;
return i;
}
void *stage_two(void *element, void *opaque)
{
(void)opaque;
int *i = element;
*i *= 10;
return i;
}
void sink(void *element, void *opaque)
{
(void)opaque;
int *i = element;
printf("sink: %d\n", *i);
free(i);
}
int main(void)
{
tube *ctx;
tube_source *source;
int *element, n;
source = tube_source_alloc(2, NULL, NULL, free);
tube_stage_append(source, tube_stage_alloc(2, stage_one, NULL, free));
tube_stage_append(source, tube_stage_alloc(2, stage_two, NULL, free));
ctx = tube_alloc(source, sink, NULL);
tube_source_and_stages_free(&source);
tube_start(ctx);
while (scanf("%d", &n) == 1) {
element = malloc(sizeof(*element));
*element = n;
tube_inject(ctx, 1000, element);
}
tube_free(&ctx);
return 0;
}
|
