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