1 f7012583 2003-11-25 devnull #ifndef _THREAD_H_
  2 f7012583 2003-11-25 devnull #define _THREAD_H_ 1
  3 f7012583 2003-11-25 devnull #if defined(__cplusplus)
  4 f7012583 2003-11-25 devnull extern "C" { 
  5 f7012583 2003-11-25 devnull #endif
  6 b2cfc4e2 2003-09-30 devnull 
  7 1a0954ab 2005-01-04 devnull AUTOLIB(thread)
  8 1a0954ab 2005-01-04 devnull 
  9 3286afda 2004-12-25 devnull /*
 10 3286afda 2004-12-25 devnull  * basic procs and threads
 11 3286afda 2004-12-25 devnull  */
 12 3286afda 2004-12-25 devnull int		proccreate(void (*f)(void *arg), void *arg, unsigned int stacksize);
 13 3286afda 2004-12-25 devnull int		threadcreate(void (*f)(void *arg), void *arg, unsigned int stacksize);
 14 3286afda 2004-12-25 devnull void		threadexits(char *);
 15 3286afda 2004-12-25 devnull void		threadexitsall(char *);
 16 3286afda 2004-12-25 devnull void		threadsetname(char*, ...);
 17 3286afda 2004-12-25 devnull void		threadsetstate(char*, ...);
 18 1d011ae2 2004-12-27 devnull int			threadyield(void);
 19 3286afda 2004-12-25 devnull void		_threadready(_Thread*);
 20 3286afda 2004-12-25 devnull void		_threadswitch(void);
 21 3286afda 2004-12-25 devnull void		_threadsetsysproc(void);
 22 3286afda 2004-12-25 devnull void		_threadsleep(Rendez*);
 23 3286afda 2004-12-25 devnull _Thread	*_threadwakeup(Rendez*);
 24 678ede7e 2004-12-27 devnull #define	yield		threadyield
 25 b2cfc4e2 2003-09-30 devnull 
 26 3286afda 2004-12-25 devnull /*
 27 8fd25698 2005-01-04 devnull  * signals
 28 8fd25698 2005-01-04 devnull  */
 29 8fd25698 2005-01-04 devnull void		threadnotify(int(*f)(void*,char*), int);
 30 8fd25698 2005-01-04 devnull 
 31 8fd25698 2005-01-04 devnull /*
 32 2c87dda8 2004-12-28 devnull  * daemonize
 33 1a0954ab 2005-01-04 devnull  *
 34 2c87dda8 2004-12-28 devnull void	threaddaemonize(void);
 35 1a0954ab 2005-01-04 devnull  */
 36 2c87dda8 2004-12-28 devnull 
 37 2c87dda8 2004-12-28 devnull /*
 38 9cb22ba6 2004-12-28 devnull  * clumsy linker hack
 39 9cb22ba6 2004-12-28 devnull  */
 40 9cb22ba6 2004-12-28 devnull void	threadlinklibrary(void);
 41 9cb22ba6 2004-12-28 devnull 
 42 9cb22ba6 2004-12-28 devnull /*
 43 3286afda 2004-12-25 devnull  * per proc and thread data
 44 3286afda 2004-12-25 devnull  */
 45 3286afda 2004-12-25 devnull void		**procdata(void);
 46 b2cfc4e2 2003-09-30 devnull 
 47 3286afda 2004-12-25 devnull /*
 48 3286afda 2004-12-25 devnull  * supplied by user instead of main.
 49 3286afda 2004-12-25 devnull  * mainstacksize is size of stack allocated to run threadmain
 50 b2cfc4e2 2003-09-30 devnull  */
 51 3286afda 2004-12-25 devnull void		threadmain(int argc, char *argv[]);
 52 3286afda 2004-12-25 devnull extern	int	mainstacksize;
 53 b2cfc4e2 2003-09-30 devnull 
 54 3286afda 2004-12-25 devnull /*
 55 3286afda 2004-12-25 devnull  * channel communication
 56 3286afda 2004-12-25 devnull  */
 57 3286afda 2004-12-25 devnull typedef struct Alt Alt;
 58 3286afda 2004-12-25 devnull typedef struct _Altarray _Altarray;
 59 3286afda 2004-12-25 devnull typedef struct Channel Channel;
 60 b2cfc4e2 2003-09-30 devnull 
 61 3286afda 2004-12-25 devnull enum
 62 3286afda 2004-12-25 devnull {
 63 b2cfc4e2 2003-09-30 devnull 	CHANEND,
 64 b2cfc4e2 2003-09-30 devnull 	CHANSND,
 65 b2cfc4e2 2003-09-30 devnull 	CHANRCV,
 66 b2cfc4e2 2003-09-30 devnull 	CHANNOP,
 67 b2cfc4e2 2003-09-30 devnull 	CHANNOBLK,
 68 3286afda 2004-12-25 devnull };
 69 b2cfc4e2 2003-09-30 devnull 
 70 3286afda 2004-12-25 devnull struct Alt
 71 3286afda 2004-12-25 devnull {
 72 3286afda 2004-12-25 devnull 	void		*v;
 73 3286afda 2004-12-25 devnull 	Channel		*c;
 74 3286afda 2004-12-25 devnull 	uint		op;
 75 3286afda 2004-12-25 devnull 	_Thread		*thread;
 76 3286afda 2004-12-25 devnull 	Alt			*xalt;
 77 3286afda 2004-12-25 devnull };
 78 b2cfc4e2 2003-09-30 devnull 
 79 3286afda 2004-12-25 devnull struct _Altarray
 80 3286afda 2004-12-25 devnull {
 81 3286afda 2004-12-25 devnull 	Alt			**a;
 82 3286afda 2004-12-25 devnull 	uint		n;
 83 3286afda 2004-12-25 devnull 	uint		m;
 84 b2cfc4e2 2003-09-30 devnull };
 85 b2cfc4e2 2003-09-30 devnull 
 86 3286afda 2004-12-25 devnull struct Channel
 87 3286afda 2004-12-25 devnull {
 88 3286afda 2004-12-25 devnull 	uint			bufsize;
 89 3286afda 2004-12-25 devnull 	uint			elemsize;
 90 3286afda 2004-12-25 devnull 	uchar		*buf;
 91 3286afda 2004-12-25 devnull 	uint			nbuf;
 92 3286afda 2004-12-25 devnull 	uint			off;
 93 3286afda 2004-12-25 devnull 	_Altarray	asend;
 94 3286afda 2004-12-25 devnull 	_Altarray	arecv;
 95 3286afda 2004-12-25 devnull 	char			*name;
 96 b2cfc4e2 2003-09-30 devnull };
 97 b2cfc4e2 2003-09-30 devnull 
 98 3286afda 2004-12-25 devnull /* [Edit .+1,./^$/ |cfn -h $PLAN9/src/libthread/channel.c] */
 99 3286afda 2004-12-25 devnull int		chanalt(Alt *alts);
100 3286afda 2004-12-25 devnull Channel*	chancreate(int elemsize, int elemcnt);
101 b2cfc4e2 2003-09-30 devnull void		chanfree(Channel *c);
102 3286afda 2004-12-25 devnull int		chaninit(Channel *c, int elemsize, int elemcnt);
103 3286afda 2004-12-25 devnull int		channbrecv(Channel *c, void *v);
104 3286afda 2004-12-25 devnull void*		channbrecvp(Channel *c);
105 3286afda 2004-12-25 devnull ulong		channbrecvul(Channel *c);
106 3286afda 2004-12-25 devnull int		channbsend(Channel *c, void *v);
107 3286afda 2004-12-25 devnull int		channbsendp(Channel *c, void *v);
108 3286afda 2004-12-25 devnull int		channbsendul(Channel *c, ulong v);
109 3286afda 2004-12-25 devnull int		chanrecv(Channel *c, void *v);
110 3286afda 2004-12-25 devnull void*		chanrecvp(Channel *c);
111 3286afda 2004-12-25 devnull ulong		chanrecvul(Channel *c);
112 3286afda 2004-12-25 devnull int		chansend(Channel *c, void *v);
113 3286afda 2004-12-25 devnull int		chansendp(Channel *c, void *v);
114 3286afda 2004-12-25 devnull int		chansendul(Channel *c, ulong v);
115 e317e374 2004-12-27 devnull void		chansetname(Channel *c, char *fmt, ...);
116 a3ad5254 2004-06-09 devnull 
117 3286afda 2004-12-25 devnull #define	alt		chanalt
118 3286afda 2004-12-25 devnull #define	nbrecv	channbrecv
119 3286afda 2004-12-25 devnull #define	nbrecvp	channbrecvp
120 3286afda 2004-12-25 devnull #define	nvrecvul	channbrecvul
121 3286afda 2004-12-25 devnull #define	nbsend	channbsend
122 3286afda 2004-12-25 devnull #define	nbsendp	channbsendp
123 3286afda 2004-12-25 devnull #define	nbsendul	channbsendul
124 3286afda 2004-12-25 devnull #define	recv		chanrecv
125 3286afda 2004-12-25 devnull #define	recvp	chanrecvp
126 3286afda 2004-12-25 devnull #define	recvul	chanrecvul
127 3286afda 2004-12-25 devnull #define	send		chansend
128 3286afda 2004-12-25 devnull #define	sendp	chansendp
129 3286afda 2004-12-25 devnull #define	sendul	chansendul
130 b2cfc4e2 2003-09-30 devnull 
131 3286afda 2004-12-25 devnull /*
132 3286afda 2004-12-25 devnull  * reference counts
133 3286afda 2004-12-25 devnull  */
134 3286afda 2004-12-25 devnull typedef struct Ref	Ref;
135 b2cfc4e2 2003-09-30 devnull 
136 3286afda 2004-12-25 devnull struct Ref {
137 3286afda 2004-12-25 devnull 	Lock lock;
138 3286afda 2004-12-25 devnull 	long ref;
139 3286afda 2004-12-25 devnull };
140 b2cfc4e2 2003-09-30 devnull 
141 3286afda 2004-12-25 devnull long		decref(Ref *r);
142 3286afda 2004-12-25 devnull long		incref(Ref *r);
143 3286afda 2004-12-25 devnull 
144 3286afda 2004-12-25 devnull /*
145 3286afda 2004-12-25 devnull  * slave i/o processes
146 3286afda 2004-12-25 devnull  */
147 b2cfc4e2 2003-09-30 devnull typedef struct Ioproc Ioproc;
148 b2cfc4e2 2003-09-30 devnull 
149 3286afda 2004-12-25 devnull /* [Edit .+1,/^$/ |cfn -h $PLAN9/src/libthread/io*.c] */
150 3286afda 2004-12-25 devnull void		closeioproc(Ioproc *io);
151 3286afda 2004-12-25 devnull long		iocall(Ioproc *io, long (*op)(va_list*), ...);
152 3286afda 2004-12-25 devnull int		ioclose(Ioproc *io, int fd);
153 3286afda 2004-12-25 devnull int		iodial(Ioproc *io, char *addr, char *local, char *dir, int *cdfp);
154 3286afda 2004-12-25 devnull void		iointerrupt(Ioproc *io);
155 3286afda 2004-12-25 devnull int		ioopen(Ioproc *io, char *path, int mode);
156 3286afda 2004-12-25 devnull Ioproc*		ioproc(void);
157 3286afda 2004-12-25 devnull long		ioread(Ioproc *io, int fd, void *a, long n);
158 3286afda 2004-12-25 devnull int		ioread9pmsg(Ioproc*, int, void*, int);
159 3286afda 2004-12-25 devnull long		ioreadn(Ioproc *io, int fd, void *a, long n);
160 3286afda 2004-12-25 devnull int		iorecvfd(Ioproc *, int);
161 3286afda 2004-12-25 devnull int		iosendfd(Ioproc*, int, int);
162 3286afda 2004-12-25 devnull int		iosleep(Ioproc *io, long n);
163 3286afda 2004-12-25 devnull long		iowrite(Ioproc *io, int fd, void *a, long n);
164 b2cfc4e2 2003-09-30 devnull 
165 3286afda 2004-12-25 devnull /*
166 3286afda 2004-12-25 devnull  * exec external programs
167 3286afda 2004-12-25 devnull  */
168 3286afda 2004-12-25 devnull void		threadexec(Channel*, int[3], char*, char *[]);
169 3286afda 2004-12-25 devnull void		threadexecl(Channel*, int[3], char*, ...);
170 3286afda 2004-12-25 devnull int		threadspawn(int[3], char*, char*[]);
171 3286afda 2004-12-25 devnull Channel*	threadwaitchan(void);
172 b2cfc4e2 2003-09-30 devnull 
173 f7012583 2003-11-25 devnull #if defined(__cplusplus)
174 f7012583 2003-11-25 devnull }
175 f7012583 2003-11-25 devnull #endif
176 b2cfc4e2 2003-09-30 devnull #endif	/* _THREADH_ */