removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 519 deletions

diff --git a/sys/src/cmd/unix/drawterm/kern/dat.h b/sys/src/cmd/unix/drawterm/kern/dat.h
deleted file mode 100644
index 9d00d0085..000000000
--- a/sys/src/cmd/unix/drawterm/kern/dat.h
+++ /dev/null
@@ -1,519 +0,0 @@
-#define	KNAMELEN		28	/* max length of name held in kernel */
-#define	DOMLEN			64
-
-#define	BLOCKALIGN		8
-
-typedef struct Alarms	Alarms;
-typedef struct Block	Block;
-typedef struct CSN	CSN;
-typedef struct Chan	Chan;
-typedef struct Cmdbuf	Cmdbuf;
-typedef struct Cmdtab	Cmdtab;
-typedef struct Cname	Cname;
-typedef struct Conf	Conf;
-typedef struct Dev	Dev;
-typedef struct Dirtab	Dirtab;
-typedef struct Edfinterface	Edfinterface;
-typedef struct Egrp	Egrp;
-typedef struct Evalue	Evalue;
-typedef struct Fgrp	Fgrp;
-typedef struct FPsave	FPsave;
-typedef struct DevConf	DevConf;
-typedef struct Label	Label;
-typedef struct List	List;
-typedef struct Log	Log;
-typedef struct Logflag	Logflag;
-typedef struct Mntcache Mntcache;
-typedef struct Mount	Mount;
-typedef struct Mntrpc	Mntrpc;
-typedef struct Mntwalk	Mntwalk;
-typedef struct Mnt	Mnt;
-typedef struct Mhead	Mhead;
-typedef struct Note	Note;
-typedef struct Page	Page;
-typedef struct Palloc	Palloc;
-typedef struct Perf	Perf;
-typedef struct Pgrps	Pgrps;
-typedef struct PhysUart	PhysUart;
-typedef struct Pgrp	Pgrp;
-typedef struct Physseg	Physseg;
-typedef struct Proc	Proc;
-typedef struct Pte	Pte;
-typedef struct Pthash	Pthash;
-typedef struct Queue	Queue;
-typedef struct Ref	Ref;
-typedef struct Rendez	Rendez;
-typedef struct Rgrp	Rgrp;
-typedef struct RWlock	RWlock;
-typedef struct Schedq	Schedq;
-typedef struct Segment	Segment;
-typedef struct Session	Session;
-typedef struct Task	Task;
-typedef struct Talarm	Talarm;
-typedef struct Timer	Timer;
-typedef struct Uart	Uart;
-typedef struct Ureg Ureg;
-typedef struct Waitq	Waitq;
-typedef struct Walkqid	Walkqid;
-typedef int    Devgen(Chan*, char*, Dirtab*, int, int, Dir*);
-
-#include "fcall.h"
-
-enum
-{
-	SnarfSize = 64*1024,
-};
-
-struct Conf
-{
-	ulong	nmach;		/* processors */
-	ulong	nproc;		/* processes */
-	ulong	monitor;	/* has monitor? */
-	ulong	npage0;		/* total physical pages of memory */
-	ulong	npage1;		/* total physical pages of memory */
-	ulong	npage;		/* total physical pages of memory */
-	ulong	upages;		/* user page pool */
-	ulong	nimage;		/* number of page cache image headers */
-	ulong	nswap;		/* number of swap pages */
-	int	nswppo;		/* max # of pageouts per segment pass */
-	ulong	base0;		/* base of bank 0 */
-	ulong	base1;		/* base of bank 1 */
-	ulong	copymode;	/* 0 is copy on write, 1 is copy on reference */
-	ulong	ialloc;		/* max interrupt time allocation in bytes */
-	ulong	pipeqsize;	/* size in bytes of pipe queues */
-	int	nuart;		/* number of uart devices */
-};
-
-struct Label
-{
-	jmp_buf	buf;
-};
-
-struct Ref
-{
-	Lock lk;
-	long	ref;
-};
-
-struct Rendez
-{
-	Lock lk;
-	Proc	*p;
-};
-
-struct RWlock	/* changed from kernel */
-{
-	int	readers;
-	Lock	lk;
-	QLock	x;
-	QLock	k;
-};
-
-struct Talarm
-{
-	Lock lk;
-	Proc	*list;
-};
-
-struct Alarms
-{
-	QLock lk;
-	Proc	*head;
-};
-
-/*
- * Access types in namec & channel flags
- */
-enum
-{
-	Aaccess,			/* as in stat, wstat */
-	Abind,			/* for left-hand-side of bind */
-	Atodir,				/* as in chdir */
-	Aopen,				/* for i/o */
-	Amount,				/* to be mounted or mounted upon */
-	Acreate,			/* is to be created */
-	Aremove,			/* will be removed by caller */
-
-	COPEN	= 0x0001,		/* for i/o */
-	CMSG	= 0x0002,		/* the message channel for a mount */
-/*	CCREATE	= 0x0004,		permits creation if c->mnt */
-	CCEXEC	= 0x0008,		/* close on exec */
-	CFREE	= 0x0010,		/* not in use */
-	CRCLOSE	= 0x0020,		/* remove on close */
-	CCACHE	= 0x0080,		/* client cache */
-};
-
-/* flag values */
-enum
-{
-	BINTR	=	(1<<0),
-	BFREE	=	(1<<1),
-	Bipck	=	(1<<2),		/* ip checksum */
-	Budpck	=	(1<<3),		/* udp checksum */
-	Btcpck	=	(1<<4),		/* tcp checksum */
-	Bpktck	=	(1<<5),		/* packet checksum */
-};
-
-struct Block
-{
-	Block*	next;
-	Block*	list;
-	uchar*	rp;			/* first unconsumed byte */
-	uchar*	wp;			/* first empty byte */
-	uchar*	lim;			/* 1 past the end of the buffer */
-	uchar*	base;			/* start of the buffer */
-	void	(*free)(Block*);
-	ushort	flag;
-	ushort	checksum;		/* IP checksum of complete packet (minus media header) */
-};
-#define BLEN(s)	((s)->wp - (s)->rp)
-#define BALLOC(s) ((s)->lim - (s)->base)
-
-struct Chan
-{
-	Ref ref;
-	Chan*	next;			/* allocation */
-	Chan*	link;
-	vlong	offset;			/* in file */
-	ushort	type;
-	ulong	dev;
-	ushort	mode;			/* read/write */
-	ushort	flag;
-	Qid	qid;
-	int	fid;			/* for devmnt */
-	ulong	iounit;	/* chunk size for i/o; 0==default */
-	Mhead*	umh;			/* mount point that derived Chan; used in unionread */
-	Chan*	umc;			/* channel in union; held for union read */
-	QLock	umqlock;		/* serialize unionreads */
-	int	uri;			/* union read index */
-	int	dri;			/* devdirread index */
-	ulong	mountid;
-	Mntcache *mcp;			/* Mount cache pointer */
-	Mnt		*mux;		/* Mnt for clients using me for messages */
-	void*	aux;
-	Qid	pgrpid;		/* for #p/notepg */
-	ulong	mid;		/* for ns in devproc */
-	Chan*	mchan;			/* channel to mounted server */
-	Qid	mqid;			/* qid of root of mount point */
-	Session*session;
-	Cname	*name;
-};
-
-struct Cname
-{
-	Ref ref;
-	int	alen;			/* allocated length */
-	int	len;			/* strlen(s) */
-	char	*s;
-};
-
-struct Dev
-{
-	int	dc;
-	char*	name;
-
-	void	(*reset)(void);
-	void	(*init)(void);
-	void	(*shutdown)(void);
-	Chan*	(*attach)(char*);
-	Walkqid*	(*walk)(Chan*, Chan*, char**, int);
-	int	(*stat)(Chan*, uchar*, int);
-	Chan*	(*open)(Chan*, int);
-	void	(*create)(Chan*, char*, int, ulong);
-	void	(*close)(Chan*);
-	long	(*read)(Chan*, void*, long, vlong);
-	Block*	(*bread)(Chan*, long, ulong);
-	long	(*write)(Chan*, void*, long, vlong);
-	long	(*bwrite)(Chan*, Block*, ulong);
-	void	(*remove)(Chan*);
-	int	(*wstat)(Chan*, uchar*, int);
-	void	(*power)(int);	/* power mgt: power(1) => on, power (0) => off */
-	int	(*config)(int, char*, DevConf*);	// returns nil on error
-};
-
-struct Dirtab
-{
-	char	name[KNAMELEN];
-	Qid	qid;
-	vlong length;
-	ulong	perm;
-};
-
-struct Walkqid
-{
-	Chan	*clone;
-	int	nqid;
-	Qid	qid[1];
-};
-
-enum
-{
-	NSMAX	=	1000,
-	NSLOG	=	7,
-	NSCACHE	=	(1<<NSLOG),
-};
-
-struct Mntwalk				/* state for /proc/#/ns */
-{
-	int		cddone;
-	ulong	id;
-	Mhead*	mh;
-	Mount*	cm;
-};
-
-struct Mount
-{
-	ulong	mountid;
-	Mount*	next;
-	Mhead*	head;
-	Mount*	copy;
-	Mount*	order;
-	Chan*	to;			/* channel replacing channel */
-	int	mflag;
-	char	*spec;
-};
-
-struct Mhead
-{
-	Ref ref;
-	RWlock	lock;
-	Chan*	from;			/* channel mounted upon */
-	Mount*	mount;			/* what's mounted upon it */
-	Mhead*	hash;			/* Hash chain */
-};
-
-struct Mnt
-{
-	Lock lk;
-	/* references are counted using c->ref; channels on this mount point incref(c->mchan) == Mnt.c */
-	Chan	*c;		/* Channel to file service */
-	Proc	*rip;		/* Reader in progress */
-	Mntrpc	*queue;		/* Queue of pending requests on this channel */
-	ulong	id;		/* Multiplexer id for channel check */
-	Mnt	*list;		/* Free list */
-	int	flags;		/* cache */
-	int	msize;		/* data + IOHDRSZ */
-	char	*version;			/* 9P version */
-	Queue	*q;		/* input queue */
-};
-
-enum
-{
-	NUser,				/* note provided externally */
-	NExit,				/* deliver note quietly */
-	NDebug,				/* print debug message */
-};
-
-struct Note
-{
-	char	msg[ERRMAX];
-	int	flag;			/* whether system posted it */
-};
-
-enum
-{
-	RENDLOG	=	5,
-	RENDHASH =	1<<RENDLOG,		/* Hash to lookup rendezvous tags */
-	MNTLOG	=	5,
-	MNTHASH =	1<<MNTLOG,		/* Hash to walk mount table */
-	NFD =		100,		/* per process file descriptors */
-	PGHLOG  =	9,
-	PGHSIZE	=	1<<PGHLOG,	/* Page hash for image lookup */
-};
-#define REND(p,s)	((p)->rendhash[(s)&((1<<RENDLOG)-1)])
-#define MOUNTH(p,qid)	((p)->mnthash[(qid).path&((1<<MNTLOG)-1)])
-
-struct Pgrp
-{
-	Ref ref;				/* also used as a lock when mounting */
-	int	noattach;
-	ulong	pgrpid;
-	QLock	debug;			/* single access via devproc.c */
-	RWlock	ns;			/* Namespace n read/one write lock */
-	Mhead	*mnthash[MNTHASH];
-};
-
-struct Rgrp
-{
-	Ref ref;
-	Proc	*rendhash[RENDHASH];	/* Rendezvous tag hash */
-};
-
-struct Egrp
-{
-	Ref ref;
-	RWlock lk;
-	Evalue	**ent;
-	int nent;
-	int ment;
-	ulong	path;	/* qid.path of next Evalue to be allocated */
-	ulong	vers;	/* of Egrp */
-};
-
-struct Evalue
-{
-	char	*name;
-	char	*value;
-	int	len;
-	Evalue	*link;
-	Qid	qid;
-};
-
-struct Fgrp
-{
-	Ref ref;
-	Chan	**fd;
-	int	nfd;			/* number allocated */
-	int	maxfd;			/* highest fd in use */
-	int	exceed;			/* debugging */
-};
-
-enum
-{
-	DELTAFD	= 20,		/* incremental increase in Fgrp.fd's */
-	NERR = 20
-};
-
-typedef uvlong	Ticks;
-
-enum
-{
-	Running,
-	Rendezvous,
-	Wakeme,
-};
-
-struct Proc
-{
-	uint		state;
-	uint		mach;
-
-	ulong	pid;
-	ulong	parentpid;
-
-	Pgrp	*pgrp;		/* Process group for namespace */
-	Fgrp	*fgrp;		/* File descriptor group */
-	Rgrp *rgrp;
-
-	Lock	rlock;		/* sync sleep/wakeup with postnote */
-	Rendez	*r;		/* rendezvous point slept on */
-	Rendez	sleep;		/* place for syssleep/debug */
-	int	notepending;	/* note issued but not acted on */
-	int	kp;		/* true if a kernel process */
-
-	void*	rendtag;	/* Tag for rendezvous */
-	void*	rendval;	/* Value for rendezvous */
-	Proc	*rendhash;	/* Hash list for tag values */
-
-	int	nerrlab;
-	Label	errlab[NERR];
-	char user[KNAMELEN];
-	char	*syserrstr;	/* last error from a system call, errbuf0 or 1 */
-	char	*errstr;	/* reason we're unwinding the error stack, errbuf1 or 0 */
-	char	errbuf0[ERRMAX];
-	char	errbuf1[ERRMAX];
-	char	genbuf[128];	/* buffer used e.g. for last name element from namec */
-	char text[KNAMELEN];
-
-	Chan	*slash;
-	Chan	*dot;
-
-	Proc		*qnext;
-
-	void	(*fn)(void*);
-	void *arg;
-
-	char oproc[1024];	/* reserved for os */
-
-};
-
-enum
-{
-	PRINTSIZE =	256,
-	MAXCRYPT = 	127,
-	NUMSIZE	=	12,		/* size of formatted number */
-	MB =		(1024*1024),
-	READSTR =	1000,		/* temporary buffer size for device reads */
-};
-
-extern	char*	conffile;
-extern	int	cpuserver;
-extern	Dev*	devtab[];
-extern  char	*eve;
-extern	char	hostdomain[];
-extern	uchar	initcode[];
-extern  Queue*	kbdq;
-extern  Queue*	kprintoq;
-extern  Ref	noteidalloc;
-extern	Palloc	palloc;
-extern  Queue	*serialoq;
-extern	char*	statename[];
-extern	int	nsyscall;
-extern	char	*sysname;
-extern	uint	qiomaxatomic;
-extern	Conf	conf;
-enum
-{
-	LRESPROF	= 3,
-};
-
-/*
- *  action log
- */
-struct Log {
-	Lock lk;
-	int	opens;
-	char*	buf;
-	char	*end;
-	char	*rptr;
-	int	len;
-	int	nlog;
-	int	minread;
-
-	int	logmask;	/* mask of things to debug */
-
-	QLock	readq;
-	Rendez	readr;
-};
-
-struct Logflag {
-	char*	name;
-	int	mask;
-};
-
-enum
-{
-	NCMDFIELD = 128
-};
-
-struct Cmdbuf
-{
-	char	*buf;
-	char	**f;
-	int	nf;
-};
-
-struct Cmdtab
-{
-	int	index;	/* used by client to switch on result */
-	char	*cmd;	/* command name */
-	int	narg;	/* expected #args; 0 ==> variadic */
-};
-
-/* queue state bits,  Qmsg, Qcoalesce, and Qkick can be set in qopen */
-enum
-{
-	/* Queue.state */
-	Qstarve		= (1<<0),	/* consumer starved */
-	Qmsg		= (1<<1),	/* message stream */
-	Qclosed		= (1<<2),	/* queue has been closed/hungup */
-	Qflow		= (1<<3),	/* producer flow controlled */
-	Qcoalesce	= (1<<4),	/* coallesce packets on read */
-	Qkick		= (1<<5),	/* always call the kick routine after qwrite */
-};
-
-#define DEVDOTDOT -1
-
-extern Proc *_getproc(void);
-extern void _setproc(Proc*);
-#define	up	(_getproc())