blob: 89b594df24d11f474f95e03a41e1ac6c7a08f420 (
plain) (
blame)
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
|
#ifndef APOS_TCB_H
#define APOS_TCB_H
/**
* @file tcb.h
* Process/thread handling.
*/
#include <apos/mem_regions.h>
#include <apos/types.h>
#include <tcb.h> /* arch-specific data */
/* process(/main) threads don't have any previous threads */
#define is_proc(t) (!t->prev)
struct tcb {
struct arch_tcbd tcbd;
/* mapping data
* TODO: should mem_region_root be renamed mem_root or something? feels
* kind of clunky */
union {
/* if we're the main thread, we control the memory regions */
struct mem_region_root sp_r;
/* if we're not the main thread, we have a pointer to the main
* thread */
struct tcb *proc;
};
id_t pid;
id_t tid;
vm_t callback;
vm_t proc_stack;
vm_t proc_stack_top;
vm_t call_stack;
vm_t call_stack_top;
/* entry point */
vm_t entry;
/* vm root branch */
struct vmem *b_r;
/* linked list of threads in this process */
struct tcb *next;
struct tcb *prev;
};
void init_tcbs();
void destroy_tcbs();
struct tcb *create_thread(struct tcb *p);
struct tcb *create_proc(struct tcb *p);
stat_t destroy_thread(struct tcb *t);
stat_t destroy_proc(struct tcb *p);
struct tcb *cur_tcb();
void use_tcb(struct tcb *);
struct tcb *get_tcb(id_t tid);
stat_t clone_tcb_maps(struct tcb *);
#endif /* APOS_TCB_H */
|
