ref: 2d221e61e3820a007ff2204adb73ad3ab27010c6
dir: /sys/src/cmd/vnc/compat.h/
#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