ref: c76cc12a1799ce214b07882eb6f4ab0906c0151b
dir: /sys/src/cmd/exportfs/exportfs.h/
/* * exportfs.h - definitions for exporting file server */ #define DEBUG if(!dbg){}else fprint #define fidhash(s) fhash[s%FHASHSIZE] typedef struct Fsrpc Fsrpc; typedef struct Fid Fid; typedef struct File File; typedef struct Proc Proc; typedef struct Qidtab Qidtab; struct Fsrpc { Fsrpc *next; /* freelist */ int flushtag; /* Tag on which to reply to flush */ Fcall work; /* Plan 9 incoming Fcall */ uchar buf[]; /* Data buffer */ }; struct Fid { int fid; /* system fd for i/o */ File *f; /* File attached to this fid */ int mode; int nr; /* fid number */ int mid; /* Mount id */ Fid *next; /* hash link */ /* for preaddir -- ARRGH! */ Dir *dir; /* buffer for reading directories */ int ndir; /* number of entries in dir */ int cdir; /* number of consumed entries in dir */ int gdir; /* glue index */ vlong offset; /* offset in virtual directory */ }; struct File { char *name; int ref; Qid qid; Qidtab *qidt; int inval; File *parent; File *child; File *childlist; }; struct Proc { Lock; Fsrpc *busy; Proc *next; int pid; }; struct Qidtab { int ref; int type; int dev; vlong path; vlong uniqpath; Qidtab *next; }; enum { FHASHSIZE = 64, Fidchunk = 1000, Npsmpt = 32, Nqidbits = 5, Nqidtab = (1<<Nqidbits), }; char Ebadfid[]; char Enotdir[]; char Edupfid[]; char Eopen[]; char Exmnt[]; char Enomem[]; char Emip[]; char Enopsmt[]; Extern int dbg; Extern File *root; Extern File *psmpt; Extern Fid **fhash; Extern Fid *fidfree; Extern Proc *Proclist; Extern char psmap[Npsmpt]; Extern Qidtab *qidtab[Nqidtab]; Extern ulong messagesize; Extern char Enomem[]; Extern int srvfd; Extern char* patternfile; /* File system protocol service procedures */ void Xattach(Fsrpc*); void Xauth(Fsrpc*); void Xclunk(Fsrpc*); void Xcreate(Fsrpc*); void Xflush(Fsrpc*); void Xnop(Fsrpc*); void Xremove(Fsrpc*); void Xstat(Fsrpc*); void Xversion(Fsrpc*); void Xwalk(Fsrpc*); void Xwstat(Fsrpc*); void slave(Fsrpc*); void io(void); void reply(Fcall*, Fcall*, char*); void mounterror(char*); Fid *getfid(int); int freefid(int); Fid *newfid(int); Fsrpc *getsbuf(void); void putsbuf(Fsrpc*); void initroot(void); void fatal(char*, ...); char* makepath(File*, char*); File *file(File*, char*); void freefile(File*); void slaveopen(Fsrpc*); void slaveread(Fsrpc*); void slavewrite(Fsrpc*); void blockingslave(Proc*); void reopen(Fid *f); void noteproc(int, char*); void flushaction(void*, char*); void pushfcall(char*); Qidtab* uniqueqid(Dir*); void freeqid(Qidtab*); char* estrdup(char*); void* emallocz(uint); int readmessage(int, char*, int); void exclusions(void); int excludefile(char*); int preaddir(Fid*, uchar*, int, vlong);