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 9d654ebc 2005-07-19 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 b4b68641 2005-07-20 devnull #	define mcontext libthread_mcontext
 32 b4b68641 2005-07-20 devnull #	define mcontext_t libthread_mcontext_t
 33 b4b68641 2005-07-20 devnull #	define ucontext libthread_ucontext
 34 b4b68641 2005-07-20 devnull #	define ucontext_t libthread_ucontext_t
 35 9d654ebc 2005-07-19 devnull #	if defined __i386__
 36 9d654ebc 2005-07-19 devnull #		include "386-ucontext.h"
 37 9d654ebc 2005-07-19 devnull #	else
 38 9d654ebc 2005-07-19 devnull #		include "power-ucontext.h"
 39 9d654ebc 2005-07-19 devnull #	endif
 40 cea10000 2005-05-01 devnull extern pid_t rfork_thread(int, void*, int(*)(void*), void*);
 41 cea10000 2005-05-01 devnull #endif
 42 cea10000 2005-05-01 devnull 
 43 619085f0 2004-12-25 devnull typedef struct Context Context;
 44 e127e40b 2004-12-27 devnull typedef struct Execjob Execjob;
 45 619085f0 2004-12-25 devnull typedef struct Proc Proc;
 46 619085f0 2004-12-25 devnull typedef struct _Procrendez _Procrendez;
 47 619085f0 2004-12-25 devnull 
 48 e1dc7e45 2004-12-27 devnull typedef struct Jmp Jmp;
 49 e1dc7e45 2004-12-27 devnull struct Jmp
 50 e1dc7e45 2004-12-27 devnull {
 51 e1dc7e45 2004-12-27 devnull 	p9jmp_buf b;
 52 e1dc7e45 2004-12-27 devnull };
 53 e1dc7e45 2004-12-27 devnull 
 54 619085f0 2004-12-25 devnull enum
 55 619085f0 2004-12-25 devnull {
 56 619085f0 2004-12-25 devnull 	STACK = 8192
 57 619085f0 2004-12-25 devnull };
 58 619085f0 2004-12-25 devnull 
 59 619085f0 2004-12-25 devnull struct Context
 60 619085f0 2004-12-25 devnull {
 61 619085f0 2004-12-25 devnull 	ucontext_t	uc;
 62 619085f0 2004-12-25 devnull };
 63 619085f0 2004-12-25 devnull 
 64 e127e40b 2004-12-27 devnull struct Execjob
 65 e127e40b 2004-12-27 devnull {
 66 e127e40b 2004-12-27 devnull 	int *fd;
 67 e127e40b 2004-12-27 devnull 	char *cmd;
 68 e127e40b 2004-12-27 devnull 	char **argv;
 69 e127e40b 2004-12-27 devnull 	Channel *c;
 70 e127e40b 2004-12-27 devnull };
 71 e127e40b 2004-12-27 devnull 
 72 619085f0 2004-12-25 devnull struct _Thread
 73 619085f0 2004-12-25 devnull {
 74 619085f0 2004-12-25 devnull 	_Thread	*next;
 75 619085f0 2004-12-25 devnull 	_Thread	*prev;
 76 619085f0 2004-12-25 devnull 	_Thread	*allnext;
 77 619085f0 2004-12-25 devnull 	_Thread	*allprev;
 78 619085f0 2004-12-25 devnull 	Context	context;
 79 619085f0 2004-12-25 devnull 	uint	id;
 80 619085f0 2004-12-25 devnull 	uchar	*stk;
 81 619085f0 2004-12-25 devnull 	uint	stksize;
 82 619085f0 2004-12-25 devnull 	int		exiting;
 83 619085f0 2004-12-25 devnull 	void	(*startfn)(void*);
 84 619085f0 2004-12-25 devnull 	void	*startarg;
 85 619085f0 2004-12-25 devnull 	Proc	*proc;
 86 619085f0 2004-12-25 devnull 	char	name[256];
 87 619085f0 2004-12-25 devnull 	char	state[256];
 88 8dd8a81f 2005-03-18 devnull 	void *udata;
 89 619085f0 2004-12-25 devnull };
 90 619085f0 2004-12-25 devnull 
 91 619085f0 2004-12-25 devnull struct _Procrendez
 92 619085f0 2004-12-25 devnull {
 93 619085f0 2004-12-25 devnull 	Lock		*l;
 94 619085f0 2004-12-25 devnull 	int		asleep;
 95 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
 96 619085f0 2004-12-25 devnull 	pthread_cond_t	cond;
 97 4dbefdd4 2004-12-27 devnull #else
 98 4dbefdd4 2004-12-27 devnull 	int		pid;
 99 4dbefdd4 2004-12-27 devnull #endif
100 619085f0 2004-12-25 devnull };
101 619085f0 2004-12-25 devnull 
102 619085f0 2004-12-25 devnull extern	void	_procsleep(_Procrendez*);
103 619085f0 2004-12-25 devnull extern	void	_procwakeup(_Procrendez*);
104 a0a331aa 2005-01-06 devnull extern	void	_procwakeupandunlock(_Procrendez*);
105 619085f0 2004-12-25 devnull 
106 619085f0 2004-12-25 devnull struct Proc
107 619085f0 2004-12-25 devnull {
108 4dbefdd4 2004-12-27 devnull 	Proc		*next;
109 4dbefdd4 2004-12-27 devnull 	Proc		*prev;
110 4dbefdd4 2004-12-27 devnull 	char		msg[128];
111 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
112 4dbefdd4 2004-12-27 devnull 	pthread_t	osprocid;
113 4dbefdd4 2004-12-27 devnull #else
114 669a062b 2005-01-30 devnull 	int		osprocid;
115 4dbefdd4 2004-12-27 devnull #endif
116 619085f0 2004-12-25 devnull 	Lock		lock;
117 8cbd854a 2004-12-27 devnull 	int			nswitch;
118 619085f0 2004-12-25 devnull 	_Thread		*thread;
119 619085f0 2004-12-25 devnull 	_Threadlist	runqueue;
120 619085f0 2004-12-25 devnull 	_Threadlist	allthreads;
121 619085f0 2004-12-25 devnull 	uint		nthread;
122 619085f0 2004-12-25 devnull 	uint		sysproc;
123 619085f0 2004-12-25 devnull 	_Procrendez	runrend;
124 619085f0 2004-12-25 devnull 	Context	schedcontext;
125 619085f0 2004-12-25 devnull 	void		*udata;
126 e1dc7e45 2004-12-27 devnull 	Jmp		sigjmp;
127 8ee6ad4d 2005-02-14 devnull 	int		mainproc;
128 619085f0 2004-12-25 devnull };
129 619085f0 2004-12-25 devnull 
130 619085f0 2004-12-25 devnull #define proc() _threadproc()
131 619085f0 2004-12-25 devnull #define setproc(p) _threadsetproc(p)
132 619085f0 2004-12-25 devnull 
133 4dbefdd4 2004-12-27 devnull extern Proc *_threadprocs;
134 4dbefdd4 2004-12-27 devnull extern Lock _threadprocslock;
135 955a2ca7 2004-12-27 devnull extern Proc *_threadexecproc;
136 955a2ca7 2004-12-27 devnull extern Channel *_threadexecchan;
137 955a2ca7 2004-12-27 devnull extern QLock _threadexeclock;
138 955a2ca7 2004-12-27 devnull extern Channel *_dowaitchan;
139 4dbefdd4 2004-12-27 devnull 
140 73722a8b 2004-12-27 devnull extern void _procstart(Proc*, void (*fn)(Proc*));
141 619085f0 2004-12-25 devnull extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
142 619085f0 2004-12-25 devnull extern void _threadexit(void);
143 619085f0 2004-12-25 devnull extern Proc *_threadproc(void);
144 619085f0 2004-12-25 devnull extern void _threadsetproc(Proc*);
145 619085f0 2004-12-25 devnull extern int _threadlock(Lock*, int, ulong);
146 619085f0 2004-12-25 devnull extern void _threadunlock(Lock*, ulong);
147 e1dc7e45 2004-12-27 devnull extern void _pthreadinit(void);
148 e127e40b 2004-12-27 devnull extern int _threadspawn(int*, char*, char**);
149 e127e40b 2004-12-27 devnull extern int _runthreadspawn(int*, char*, char**);
150 2c87dda8 2004-12-28 devnull extern void _threadsetupdaemonize(void);
151 2c87dda8 2004-12-28 devnull extern void _threaddodaemonize(char*);
152 1d2533d0 2004-12-28 devnull extern void _threadpexit(void);
153 c7acb53e 2005-01-04 devnull extern void _threaddaemonize(void);