1 #include <ucontext.h>
2 
3 typedef struct Context Context;
4 typedef struct Proc Proc;
5 typedef struct _Procrendez _Procrendez;
6 
7 enum
8 {
9 	STACK = 8192
10 };
11 
12 struct Context
13 {
14 	ucontext_t	uc;
15 };
16 
17 struct _Thread
18 {
19 	_Thread	*next;
20 	_Thread	*prev;
21 	_Thread	*allnext;
22 	_Thread	*allprev;
23 	Context	context;
24 	uint	id;
25 	uchar	*stk;
26 	uint	stksize;
27 	int		exiting;
28 	void	(*startfn)(void*);
29 	void	*startarg;
30 	Proc	*proc;
31 	char	name[256];
32 	char	state[256];
33 };
34 
35 struct _Procrendez
36 {
37 	Lock		*l;
38 	int		asleep;
39 	pthread_cond_t	cond;
40 };
41 
42 extern	void	_procsleep(_Procrendez*);
43 extern	void	_procwakeup(_Procrendez*);
44 
45 struct Proc
46 {
47 	pthread_t	tid;
48 	Lock		lock;
49 	_Thread		*thread;
50 	_Threadlist	runqueue;
51 	_Threadlist	allthreads;
52 	uint		nthread;
53 	uint		sysproc;
54 	_Procrendez	runrend;
55 	Context	schedcontext;
56 	void		*udata;
57 };
58 
59 extern Proc *xxx;
60 #define proc() _threadproc()
61 #define setproc(p) _threadsetproc(p)
62 
63 extern void _procstart(Proc*, void (*fn)(void*));
64 extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
65 extern void _threadexit(void);
66 extern Proc *_threadproc(void);
67 extern void _threadsetproc(Proc*);
68 extern int _threadlock(Lock*, int, ulong);
69 extern void _threadunlock(Lock*, ulong);
70