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