ioucontext/jump_queue.h at main · pallas/ioucontext · GitHub

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
// SPDX-License-Identifier: MIT
#ifndef IOUCONTEXT_JUMP_QUEUE_H
#define IOUCONTEXT_JUMP_QUEUE_H

#include <stdbool.h>
#include <stdnoreturn.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifndef HIDDEN
#define HIDDEN __attribute__((visibility("hidden")))
#endif//HIDDEN

typedef struct reactor_s reactor_t;
typedef struct fiber_s fiber_t;
typedef struct jump_chain_s jump_chain_t;
typedef jump_chain_t * jump_argument;
typedef void (*jump_function)(jump_argument);
typedef int jump_result_t;

typedef struct jump_chain_s {
    struct jump_chain_s * next;
    jump_function function;
    fiber_t *fiber;
    jump_result_t result;
} jump_chain_t;

HIDDEN noreturn void jump_invoke(jump_chain_t *, reactor_t *);
HIDDEN jump_result_t jump_result(const jump_chain_t *);

typedef struct jump_queue_s {
    jump_chain_t * head;
    jump_chain_t ** tail;
} jump_queue_t;

HIDDEN void jump_queue_reset(jump_queue_t *);
HIDDEN bool jump_queue_empty(const jump_queue_t *);
HIDDEN void jump_queue_chain(jump_queue_t * hither, jump_queue_t * hence);
HIDDEN void jump_queue_enqueue(jump_queue_t *, jump_chain_t *);
HIDDEN jump_chain_t * jump_queue_dequeue(jump_queue_t *);
HIDDEN void jump_queue_requeue(jump_queue_t *, jump_chain_t *);

#ifdef __cplusplus
}
#endif

#endif//IOUCONTEXT_JUMP_QUEUE_H