xv6-cs450/fd.h
2006-07-16 02:04:58 +00:00

9 lines
174 B
C

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