0 branches 0 tags
69 73
80
81 86
Add Coroutine_GetReport
on 12:37 PM Feb 19 2026
chaining_demo.c
79
80
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
#include <stdio.h>
#include <stddef.h>
#include "coroutine.h"
#include "generator.h"
#include "asleep.h"
#include "task.h"
#include <dirent.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#define DEMO_STACK_SIZE (8192*sizeof(void *))
void *chaindeeper(void *param){
// enough headroom for printf on an Intel Mac - your system may be different
if (Coroutine_GetStackHeadroom() < 2000){
void *result;
bool fail = Coroutine_Chain(DEMO_STACK_SIZE, chaindeeper, param, &result);
return fail ? NULL : result;
}
printf("%ld %ld\n", (long)param, Coroutine_GetStackHeadroom());
long depth = (long)param;
if (depth > 10000){
return NULL;
}
return chaindeeper((void *)(depth + 1));
}
void *chaintest(
void *param
){
(void)param;
chaindeeper((void *)0);
return param;
}
int main(int argc, char *argv[]) {
(void)argc;
(void)argv;
Coroutine_StartSystem();
Coroutine_Run(DEMO_STACK_SIZE, chaintest, NULL, NULL);
Coroutine_Report report = Coroutine_StopSystem();
printf("%d routines using a pool of %d, min headroom %zu\n", report.coroutines_created, report.coroutines_pool_size, report.lowest_headroom);
}
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
#include <stdio.h>
#include <stddef.h>
#include "coroutine.h"
#include "generator.h"
#include "asleep.h"
#include "task.h"
#include <dirent.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#define DEMO_STACK_SIZE (8192*sizeof(void *))
void *chaindeeper(void *param){
// enough headroom for printf on an Intel Mac - your system may be different
if (Coroutine_GetStackHeadroom() < 2000){
void *result;
bool fail = Coroutine_Chain(DEMO_STACK_SIZE, chaindeeper, param, &result);
return fail ? NULL : result;
}
printf("%ld %ld\n", (long)param, Coroutine_GetStackHeadroom());
long depth = (long)param;
if (depth > 10000){
return NULL;
}
return chaindeeper((void *)(depth + 1));
}
void *chaintest(
void *param
){
(void)param;
chaindeeper((void *)0);
return param;
}
int main(int argc, char *argv[]) {
(void)argc;
(void)argv;
Coroutine_StartSystem();
Coroutine_Run(DEMO_STACK_SIZE, chaintest, NULL, NULL);
Coroutine_Report report = Coroutine_GetReport();
Coroutine_StopSystem();
printf("%d routines using a pool of %d, min headroom %zu\n", report.coroutines_created, report.coroutines_pool_size, report.lowest_headroom);
}