Import sources from 2011-03-30 iso image

1 files changed, 168 insertions, 0 deletions

diff --git a/sys/src/cmd/vnc/compat.h b/sys/src/cmd/vnc/compat.h
new file mode 100755
index 000000000..6c3acfe6c
--- /dev/null
+++ b/sys/src/cmd/vnc/compat.h
@@ -0,0 +1,168 @@
+#define Rendez KRendez
+
+typedef struct Block	Block;
+typedef struct Chan	Chan;
+typedef struct Cname	Cname;
+typedef struct Dev	Dev;
+typedef struct Dirtab	Dirtab;
+typedef struct Proc	Proc;
+typedef struct Ref	Ref;
+typedef struct Rendez	Rendez;
+typedef struct Walkqid Walkqid;
+typedef int    Devgen(Chan*, Dirtab*, int, int, Dir*);
+
+enum
+{
+	KNAMELEN	= 28,
+	NERR		= 15,
+
+	COPEN		= 0x0001,		/* for i/o */
+	CFREE		= 0x0010,		/* not in use */
+};
+
+struct Ref
+{
+	Lock;
+	int	ref;
+};
+
+struct Rendez
+{
+	Lock;
+	Proc	*p;
+};
+
+struct Chan
+{
+	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 */
+	void*	aux;
+	Cname	*name;
+};
+
+struct Cname
+{
+	Ref;
+	int	alen;			/* allocated length */
+	int	len;			/* strlen(s) */
+	char	*s;
+};
+
+struct Dev
+{
+	int	dc;
+	char*	name;
+
+	void	(*reset)(void);
+	void	(*init)(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);
+};
+
+struct Dirtab
+{
+	char	name[KNAMELEN];
+	Qid	qid;
+	vlong length;
+	long	perm;
+};
+
+struct Walkqid
+{
+	Chan	*clone;
+	int	nqid;
+	Qid	qid[1];
+};
+
+struct Proc
+{
+	Lock	rlock;		/* for rendsleep, rendwakeup, intr */
+	Rendez	*r;
+	int	intr;
+
+	char	name[KNAMELEN];
+	char	*user;
+	char	error[ERRMAX];
+	int	nerrlab;
+	jmp_buf	errlab[NERR];
+	char	genbuf[128];	/* buffer used e.g. for last name element from namec */
+};
+
+#define DEVDOTDOT -1
+
+extern	Proc	**privup;
+#define	up	(*privup)
+extern  char	*eve;
+extern	Dev*	devtab[];
+
+Chan*		cclone(Chan*);
+void		cclose(Chan*);
+void		cnameclose(Cname*);
+int		decref(Ref*);
+Chan*		devattach(int, char*);
+Block*		devbread(Chan*, long, ulong);
+long		devbwrite(Chan*, Block*, ulong);
+void		devcreate(Chan*, char*, int, ulong);
+void		devdir(Chan*, Qid, char*, vlong, char*, long, Dir*);
+long		devdirread(Chan*, char*, long, Dirtab*, int, Devgen*);
+Devgen		devgen;
+void		devinit(void);
+Chan*		devopen(Chan*, int, Dirtab*, int, Devgen*);
+void		devremove(Chan*);
+void		devreset(void);
+int		devstat(Chan*, uchar*, int, Dirtab*, int, Devgen*);
+Walkqid*		devwalk(Chan*, Chan*, char**, int, Dirtab*, int, Devgen*);
+int		devwstat(Chan*, uchar*, int);
+void		error(char*);
+int		incref(Ref*);
+void		isdir(Chan*);
+void		kproc(char*, void(*)(void*), void*);
+void		mkqid(Qid*, vlong, ulong, int);
+void		nexterror(void);
+Chan*		newchan(void);
+Cname*		newcname(char*);
+int		openmode(ulong);
+void		panic(char*, ...);
+int		readstr(ulong, char*, ulong, char*);
+long		seconds(void);
+void*		smalloc(ulong);
+
+#define		poperror()	up->nerrlab--
+#define		waserror()	(up->nerrlab++, setjmp(up->errlab[up->nerrlab-1]))
+
+void		initcompat(void);
+void		rendintr(void *v);
+void		rendclearintr(void);
+void		rendsleep(Rendez*, int(*)(void*), void*);
+int		rendwakeup(Rendez*);
+void		kexit(void);
+int		sysexport(int fd, Chan **roots, int nroots);
+int		errdepth(int ed);
+void		newup(char *name);
+
+int		exporter(Dev**, int*, int*);
+int		mounter(char *mntpt, int how, int fds, int n);
+void		shutdown(void);
+
+void		screeninit(int, int, char*);
+
+#pragma	varargck	argpos	panic		1