📦 brianwatling / libfiber

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// SPDX-FileCopyrightText: 2012-2023 Brian Watling <brian@oxbo.dev>
// SPDX-License-Identifier: MIT

#include "fiber_channel.h"
#include "fiber_manager.h"
#include "test_helper.h"

fiber_bounded_channel_t* channel_one = NULL;
fiber_bounded_channel_t* channel_two = NULL;
#define PER_FIBER_COUNT 100000
#define NUM_THREADS 2

void* ping_function(void* param) {
  intptr_t i;
  for (i = 1; i <= PER_FIBER_COUNT; ++i) {
    fiber_bounded_channel_send(channel_one, (void*)i);
    fiber_bounded_channel_receive(channel_two);
  }
  return NULL;
}

void* pong_function(void* param) {
  intptr_t i;
  for (i = 1; i <= PER_FIBER_COUNT; ++i) {
    fiber_bounded_channel_receive(channel_one);
    fiber_bounded_channel_send(channel_two, (void*)i);
  }
  return NULL;
}

int main(int argc, char* argv[]) {
  fiber_manager_init(NUM_THREADS);

  fiber_signal_t signal_one;
  fiber_signal_init(&signal_one);
  fiber_signal_t signal_two;
  fiber_signal_init(&signal_two);

  // specifying an argument will make the channels spin
  channel_one = fiber_bounded_channel_create(7, argc > 1 ? NULL : &signal_one);
  channel_two = fiber_bounded_channel_create(7, argc > 1 ? NULL : &signal_two);

  fiber_t* ping_fiber;
  ping_fiber = fiber_create(20000, &ping_function, NULL);

  pong_function(NULL);

  fiber_join(ping_fiber, NULL);

  fiber_bounded_channel_destroy(channel_one);
  fiber_bounded_channel_destroy(channel_two);

  fiber_signal_destroy(&signal_one);
  fiber_signal_destroy(&signal_two);

  fiber_manager_print_stats();
  fiber_shutdown();
  return 0;
}