1 d54ead7f 2004-12-28 devnull #include "u.h"
  2 d54ead7f 2004-12-28 devnull #include <errno.h>
  3 d54ead7f 2004-12-28 devnull #include <sys/time.h>
  4 d54ead7f 2004-12-28 devnull #include <sys/types.h>
  5 d54ead7f 2004-12-28 devnull #include <sys/wait.h>
  6 d54ead7f 2004-12-28 devnull #include <sched.h>
  7 d54ead7f 2004-12-28 devnull #include <signal.h>
  8 619085f0 2004-12-25 devnull #include <ucontext.h>
  9 d54ead7f 2004-12-28 devnull #include "libc.h"
 10 d54ead7f 2004-12-28 devnull #include "thread.h"
 11 619085f0 2004-12-25 devnull 
 12 0debe1c6 2004-12-29 devnull #if defined(__FreeBSD__) && __FreeBSD_version < 500000
 13 d54ead7f 2004-12-28 devnull extern	int		getcontext(ucontext_t*);
 14 d54ead7f 2004-12-28 devnull extern	void		setcontext(ucontext_t*);
 15 d54ead7f 2004-12-28 devnull extern	int		swapcontext(ucontext_t*, ucontext_t*);
 16 d54ead7f 2004-12-28 devnull extern	void		makecontext(ucontext_t*, void(*)(), int, ...);
 17 d54ead7f 2004-12-28 devnull #endif
 18 d54ead7f 2004-12-28 devnull 
 19 619085f0 2004-12-25 devnull typedef struct Context Context;
 20 e127e40b 2004-12-27 devnull typedef struct Execjob Execjob;
 21 619085f0 2004-12-25 devnull typedef struct Proc Proc;
 22 619085f0 2004-12-25 devnull typedef struct _Procrendez _Procrendez;
 23 619085f0 2004-12-25 devnull 
 24 e1dc7e45 2004-12-27 devnull typedef struct Jmp Jmp;
 25 e1dc7e45 2004-12-27 devnull struct Jmp
 26 e1dc7e45 2004-12-27 devnull {
 27 e1dc7e45 2004-12-27 devnull 	p9jmp_buf b;
 28 e1dc7e45 2004-12-27 devnull };
 29 e1dc7e45 2004-12-27 devnull 
 30 619085f0 2004-12-25 devnull enum
 31 619085f0 2004-12-25 devnull {
 32 619085f0 2004-12-25 devnull 	STACK = 8192
 33 619085f0 2004-12-25 devnull };
 34 619085f0 2004-12-25 devnull 
 35 619085f0 2004-12-25 devnull struct Context
 36 619085f0 2004-12-25 devnull {
 37 619085f0 2004-12-25 devnull 	ucontext_t	uc;
 38 619085f0 2004-12-25 devnull };
 39 619085f0 2004-12-25 devnull 
 40 e127e40b 2004-12-27 devnull struct Execjob
 41 e127e40b 2004-12-27 devnull {
 42 e127e40b 2004-12-27 devnull 	int *fd;
 43 e127e40b 2004-12-27 devnull 	char *cmd;
 44 e127e40b 2004-12-27 devnull 	char **argv;
 45 e127e40b 2004-12-27 devnull 	Channel *c;
 46 e127e40b 2004-12-27 devnull };
 47 e127e40b 2004-12-27 devnull 
 48 619085f0 2004-12-25 devnull struct _Thread
 49 619085f0 2004-12-25 devnull {
 50 619085f0 2004-12-25 devnull 	_Thread	*next;
 51 619085f0 2004-12-25 devnull 	_Thread	*prev;
 52 619085f0 2004-12-25 devnull 	_Thread	*allnext;
 53 619085f0 2004-12-25 devnull 	_Thread	*allprev;
 54 619085f0 2004-12-25 devnull 	Context	context;
 55 619085f0 2004-12-25 devnull 	uint	id;
 56 619085f0 2004-12-25 devnull 	uchar	*stk;
 57 619085f0 2004-12-25 devnull 	uint	stksize;
 58 619085f0 2004-12-25 devnull 	int		exiting;
 59 619085f0 2004-12-25 devnull 	void	(*startfn)(void*);
 60 619085f0 2004-12-25 devnull 	void	*startarg;
 61 619085f0 2004-12-25 devnull 	Proc	*proc;
 62 619085f0 2004-12-25 devnull 	char	name[256];
 63 619085f0 2004-12-25 devnull 	char	state[256];
 64 619085f0 2004-12-25 devnull };
 65 619085f0 2004-12-25 devnull 
 66 619085f0 2004-12-25 devnull struct _Procrendez
 67 619085f0 2004-12-25 devnull {
 68 619085f0 2004-12-25 devnull 	Lock		*l;
 69 619085f0 2004-12-25 devnull 	int		asleep;
 70 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
 71 619085f0 2004-12-25 devnull 	pthread_cond_t	cond;
 72 4dbefdd4 2004-12-27 devnull #else
 73 4dbefdd4 2004-12-27 devnull 	int		pid;
 74 4dbefdd4 2004-12-27 devnull #endif
 75 619085f0 2004-12-25 devnull };
 76 619085f0 2004-12-25 devnull 
 77 619085f0 2004-12-25 devnull extern	void	_procsleep(_Procrendez*);
 78 619085f0 2004-12-25 devnull extern	void	_procwakeup(_Procrendez*);
 79 a0a331aa 2005-01-06 devnull extern	void	_procwakeupandunlock(_Procrendez*);
 80 619085f0 2004-12-25 devnull 
 81 619085f0 2004-12-25 devnull struct Proc
 82 619085f0 2004-12-25 devnull {
 83 4dbefdd4 2004-12-27 devnull 	Proc		*next;
 84 4dbefdd4 2004-12-27 devnull 	Proc		*prev;
 85 4dbefdd4 2004-12-27 devnull 	char		msg[128];
 86 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
 87 4dbefdd4 2004-12-27 devnull 	pthread_t	osprocid;
 88 4dbefdd4 2004-12-27 devnull #else
 89 4dbefdd4 2004-12-27 devnull 	uint		osprocid;
 90 4dbefdd4 2004-12-27 devnull #endif
 91 619085f0 2004-12-25 devnull 	Lock		lock;
 92 8cbd854a 2004-12-27 devnull 	int			nswitch;
 93 619085f0 2004-12-25 devnull 	_Thread		*thread;
 94 619085f0 2004-12-25 devnull 	_Threadlist	runqueue;
 95 619085f0 2004-12-25 devnull 	_Threadlist	allthreads;
 96 619085f0 2004-12-25 devnull 	uint		nthread;
 97 619085f0 2004-12-25 devnull 	uint		sysproc;
 98 619085f0 2004-12-25 devnull 	_Procrendez	runrend;
 99 619085f0 2004-12-25 devnull 	Context	schedcontext;
100 619085f0 2004-12-25 devnull 	void		*udata;
101 e1dc7e45 2004-12-27 devnull 	Jmp		sigjmp;
102 619085f0 2004-12-25 devnull };
103 619085f0 2004-12-25 devnull 
104 619085f0 2004-12-25 devnull #define proc() _threadproc()
105 619085f0 2004-12-25 devnull #define setproc(p) _threadsetproc(p)
106 619085f0 2004-12-25 devnull 
107 4dbefdd4 2004-12-27 devnull extern Proc *_threadprocs;
108 4dbefdd4 2004-12-27 devnull extern Lock _threadprocslock;
109 955a2ca7 2004-12-27 devnull extern Proc *_threadexecproc;
110 955a2ca7 2004-12-27 devnull extern Channel *_threadexecchan;
111 955a2ca7 2004-12-27 devnull extern QLock _threadexeclock;
112 955a2ca7 2004-12-27 devnull extern Channel *_dowaitchan;
113 4dbefdd4 2004-12-27 devnull 
114 73722a8b 2004-12-27 devnull extern void _procstart(Proc*, void (*fn)(Proc*));
115 619085f0 2004-12-25 devnull extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
116 619085f0 2004-12-25 devnull extern void _threadexit(void);
117 619085f0 2004-12-25 devnull extern Proc *_threadproc(void);
118 619085f0 2004-12-25 devnull extern void _threadsetproc(Proc*);
119 619085f0 2004-12-25 devnull extern int _threadlock(Lock*, int, ulong);
120 619085f0 2004-12-25 devnull extern void _threadunlock(Lock*, ulong);
121 e1dc7e45 2004-12-27 devnull extern void _pthreadinit(void);
122 e127e40b 2004-12-27 devnull extern int _threadspawn(int*, char*, char**);
123 e127e40b 2004-12-27 devnull extern int _runthreadspawn(int*, char*, char**);
124 2c87dda8 2004-12-28 devnull extern void _threadsetupdaemonize(void);
125 2c87dda8 2004-12-28 devnull extern void _threaddodaemonize(char*);
126 1d2533d0 2004-12-28 devnull extern void _threadpexit(void);
127 c7acb53e 2005-01-04 devnull extern void _threaddaemonize(void);