xv6-65oo2/fd.h
rtm 0e84a0ec6e fix race in holding() check in acquire()
give cpu1 a TSS and gdt for when it enters scheduler()
and a pseudo proc[] entry for each cpu
cpu0 waits for each other cpu to start up
read() for files
2006-08-08 19:58:06 +00:00

12 lines
215 B
C

struct fd {
enum { FD_CLOSED, FD_NONE, FD_PIPE, FD_FILE } type;
int ref; // reference count
char readable;
char writeable;
struct pipe *pipe;
struct inode *ip;
uint off;
};
extern struct fd fds[NFD];