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 cea10000 2005-05-01 devnull #if !defined(_OpenBSD__)
  9 cea10000 2005-05-01 devnull #	include <ucontext.h>
 10 cea10000 2005-05-01 devnull #endif
 11 7a2c8850 2005-01-17 devnull #include <sys/utsname.h>
 12 d54ead7f 2004-12-28 devnull #include "libc.h"
 13 d54ead7f 2004-12-28 devnull #include "thread.h"
 14 619085f0 2004-12-25 devnull 
 15 0debe1c6 2004-12-29 devnull #if defined(__FreeBSD__) && __FreeBSD_version < 500000
 16 d54ead7f 2004-12-28 devnull extern	int		getcontext(ucontext_t*);
 17 d54ead7f 2004-12-28 devnull extern	void		setcontext(ucontext_t*);
 18 d54ead7f 2004-12-28 devnull extern	int		swapcontext(ucontext_t*, ucontext_t*);
 19 d54ead7f 2004-12-28 devnull extern	void		makecontext(ucontext_t*, void(*)(), int, ...);
 20 d54ead7f 2004-12-28 devnull #endif
 21 d54ead7f 2004-12-28 devnull 
 22 50f7ec33 2005-01-07 devnull #if defined(__APPLE__)
 23 b8f742db 2005-01-11 devnull #	define mcontext libthread_mcontext
 24 b8f742db 2005-01-11 devnull #	define mcontext_t libthread_mcontext_t
 25 b8f742db 2005-01-11 devnull #	define ucontext libthread_ucontext
 26 b8f742db 2005-01-11 devnull #	define ucontext_t libthread_ucontext_t
 27 cea10000 2005-05-01 devnull #	include "power-ucontext.h"
 28 50f7ec33 2005-01-07 devnull #endif
 29 50f7ec33 2005-01-07 devnull 
 30 cea10000 2005-05-01 devnull #if defined(__OpenBSD__)
 31 cea10000 2005-05-01 devnull #	include "power-ucontext.h"
 32 cea10000 2005-05-01 devnull extern pid_t rfork_thread(int, void*, int(*)(void*), void*);
 33 cea10000 2005-05-01 devnull #endif
 34 cea10000 2005-05-01 devnull 
 35 619085f0 2004-12-25 devnull typedef struct Context Context;
 36 e127e40b 2004-12-27 devnull typedef struct Execjob Execjob;
 37 619085f0 2004-12-25 devnull typedef struct Proc Proc;
 38 619085f0 2004-12-25 devnull typedef struct _Procrendez _Procrendez;
 39 619085f0 2004-12-25 devnull 
 40 e1dc7e45 2004-12-27 devnull typedef struct Jmp Jmp;
 41 e1dc7e45 2004-12-27 devnull struct Jmp
 42 e1dc7e45 2004-12-27 devnull {
 43 e1dc7e45 2004-12-27 devnull 	p9jmp_buf b;
 44 e1dc7e45 2004-12-27 devnull };
 45 e1dc7e45 2004-12-27 devnull 
 46 619085f0 2004-12-25 devnull enum
 47 619085f0 2004-12-25 devnull {
 48 619085f0 2004-12-25 devnull 	STACK = 8192
 49 619085f0 2004-12-25 devnull };
 50 619085f0 2004-12-25 devnull 
 51 619085f0 2004-12-25 devnull struct Context
 52 619085f0 2004-12-25 devnull {
 53 619085f0 2004-12-25 devnull 	ucontext_t	uc;
 54 619085f0 2004-12-25 devnull };
 55 619085f0 2004-12-25 devnull 
 56 e127e40b 2004-12-27 devnull struct Execjob
 57 e127e40b 2004-12-27 devnull {
 58 e127e40b 2004-12-27 devnull 	int *fd;
 59 e127e40b 2004-12-27 devnull 	char *cmd;
 60 e127e40b 2004-12-27 devnull 	char **argv;
 61 e127e40b 2004-12-27 devnull 	Channel *c;
 62 e127e40b 2004-12-27 devnull };
 63 e127e40b 2004-12-27 devnull 
 64 619085f0 2004-12-25 devnull struct _Thread
 65 619085f0 2004-12-25 devnull {
 66 619085f0 2004-12-25 devnull 	_Thread	*next;
 67 619085f0 2004-12-25 devnull 	_Thread	*prev;
 68 619085f0 2004-12-25 devnull 	_Thread	*allnext;
 69 619085f0 2004-12-25 devnull 	_Thread	*allprev;
 70 619085f0 2004-12-25 devnull 	Context	context;
 71 619085f0 2004-12-25 devnull 	uint	id;
 72 619085f0 2004-12-25 devnull 	uchar	*stk;
 73 619085f0 2004-12-25 devnull 	uint	stksize;
 74 619085f0 2004-12-25 devnull 	int		exiting;
 75 619085f0 2004-12-25 devnull 	void	(*startfn)(void*);
 76 619085f0 2004-12-25 devnull 	void	*startarg;
 77 619085f0 2004-12-25 devnull 	Proc	*proc;
 78 619085f0 2004-12-25 devnull 	char	name[256];
 79 619085f0 2004-12-25 devnull 	char	state[256];
 80 8dd8a81f 2005-03-18 devnull 	void *udata;
 81 619085f0 2004-12-25 devnull };
 82 619085f0 2004-12-25 devnull 
 83 619085f0 2004-12-25 devnull struct _Procrendez
 84 619085f0 2004-12-25 devnull {
 85 619085f0 2004-12-25 devnull 	Lock		*l;
 86 619085f0 2004-12-25 devnull 	int		asleep;
 87 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
 88 619085f0 2004-12-25 devnull 	pthread_cond_t	cond;
 89 4dbefdd4 2004-12-27 devnull #else
 90 4dbefdd4 2004-12-27 devnull 	int		pid;
 91 4dbefdd4 2004-12-27 devnull #endif
 92 619085f0 2004-12-25 devnull };
 93 619085f0 2004-12-25 devnull 
 94 619085f0 2004-12-25 devnull extern	void	_procsleep(_Procrendez*);
 95 619085f0 2004-12-25 devnull extern	void	_procwakeup(_Procrendez*);
 96 a0a331aa 2005-01-06 devnull extern	void	_procwakeupandunlock(_Procrendez*);
 97 619085f0 2004-12-25 devnull 
 98 619085f0 2004-12-25 devnull struct Proc
 99 619085f0 2004-12-25 devnull {
100 4dbefdd4 2004-12-27 devnull 	Proc		*next;
101 4dbefdd4 2004-12-27 devnull 	Proc		*prev;
102 4dbefdd4 2004-12-27 devnull 	char		msg[128];
103 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
104 4dbefdd4 2004-12-27 devnull 	pthread_t	osprocid;
105 4dbefdd4 2004-12-27 devnull #else
106 669a062b 2005-01-30 devnull 	int		osprocid;
107 4dbefdd4 2004-12-27 devnull #endif
108 619085f0 2004-12-25 devnull 	Lock		lock;
109 8cbd854a 2004-12-27 devnull 	int			nswitch;
110 619085f0 2004-12-25 devnull 	_Thread		*thread;
111 619085f0 2004-12-25 devnull 	_Threadlist	runqueue;
112 619085f0 2004-12-25 devnull 	_Threadlist	allthreads;
113 619085f0 2004-12-25 devnull 	uint		nthread;
114 619085f0 2004-12-25 devnull 	uint		sysproc;
115 619085f0 2004-12-25 devnull 	_Procrendez	runrend;
116 619085f0 2004-12-25 devnull 	Context	schedcontext;
117 619085f0 2004-12-25 devnull 	void		*udata;
118 e1dc7e45 2004-12-27 devnull 	Jmp		sigjmp;
119 8ee6ad4d 2005-02-14 devnull 	int		mainproc;
120 619085f0 2004-12-25 devnull };
121 619085f0 2004-12-25 devnull 
122 619085f0 2004-12-25 devnull #define proc() _threadproc()
123 619085f0 2004-12-25 devnull #define setproc(p) _threadsetproc(p)
124 619085f0 2004-12-25 devnull 
125 4dbefdd4 2004-12-27 devnull extern Proc *_threadprocs;
126 4dbefdd4 2004-12-27 devnull extern Lock _threadprocslock;
127 955a2ca7 2004-12-27 devnull extern Proc *_threadexecproc;
128 955a2ca7 2004-12-27 devnull extern Channel *_threadexecchan;
129 955a2ca7 2004-12-27 devnull extern QLock _threadexeclock;
130 955a2ca7 2004-12-27 devnull extern Channel *_dowaitchan;
131 4dbefdd4 2004-12-27 devnull 
132 73722a8b 2004-12-27 devnull extern void _procstart(Proc*, void (*fn)(Proc*));
133 619085f0 2004-12-25 devnull extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
134 619085f0 2004-12-25 devnull extern void _threadexit(void);
135 619085f0 2004-12-25 devnull extern Proc *_threadproc(void);
136 619085f0 2004-12-25 devnull extern void _threadsetproc(Proc*);
137 619085f0 2004-12-25 devnull extern int _threadlock(Lock*, int, ulong);
138 619085f0 2004-12-25 devnull extern void _threadunlock(Lock*, ulong);
139 e1dc7e45 2004-12-27 devnull extern void _pthreadinit(void);
140 e127e40b 2004-12-27 devnull extern int _threadspawn(int*, char*, char**);
141 e127e40b 2004-12-27 devnull extern int _runthreadspawn(int*, char*, char**);
142 2c87dda8 2004-12-28 devnull extern void _threadsetupdaemonize(void);
143 2c87dda8 2004-12-28 devnull extern void _threaddodaemonize(char*);
144 1d2533d0 2004-12-28 devnull extern void _threadpexit(void);
145 c7acb53e 2005-01-04 devnull extern void _threaddaemonize(void);