xv6/file.h
rsc eaea18cb9c PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf
Various changes made while offline.

 + bwrite sector argument is redundant; use b->sector.
 + reformatting of files for nicer PDF page breaks
 + distinguish between locked, unlocked inodes in type signatures
 + change FD_FILE to FD_INODE
 + move userinit (nee proc0init) to proc.c
 + move ROOTDEV to param.h
 + always parenthesize sizeof argument
2007-08-22 06:01:32 +00:00

9 lines
190 B
C

struct file {
enum { FD_CLOSED, FD_NONE, FD_PIPE, FD_INODE } type;
int ref; // reference count
char readable;
char writable;
struct pipe *pipe;
struct uinode *ip;
uint off;
};