minix/servers/vfs/const.h
2009-05-08 14:12:41 +00:00

36 lines
1.5 KiB
C

/* Tables sizes */
#define NR_FILPS 512 /* # slots in filp table */
#define NR_LOCKS 8 /* # slots in the file locking table */
#define NR_MNTS 8 /* # slots in mount table */
#define NR_VNODES 512 /* # slots in vnode table */
/* Miscellaneous constants */
#define SU_UID ((uid_t) 0) /* super_user's uid_t */
#define SERVERS_UID ((uid_t) 11) /* who may do FSSIGNON */
#define SYS_UID ((uid_t) 0) /* uid_t for processes MM and INIT */
#define SYS_GID ((gid_t) 0) /* gid_t for processes MM and INIT */
#define XPIPE (-NR_TASKS-1) /* used in fp_task when susp'd on pipe */
#define XLOCK (-NR_TASKS-2) /* used in fp_task when susp'd on lock */
#define XPOPEN (-NR_TASKS-3) /* used in fp_task when susp'd on pipe open */
#define XSELECT (-NR_TASKS-4) /* used in fp_task when susp'd on select */
#define XDOPEN (-NR_TASKS-5) /* used in fp_task when susp'd on device open */
#define DUP_MASK 0100 /* mask to distinguish dup2 from dup */
#define LOOK_UP 0 /* tells search_dir to lookup string */
#define ENTER 1 /* tells search_dir to make dir entry */
#define DELETE 2 /* tells search_dir to delete entry */
#define IS_EMPTY 3 /* tells search_dir to ret. OK or ENOTEMPTY */
#define SYMLOOP 16
#define ROOT_INODE 1 /* inode number for root directory */
/* Args to dev_io */
#define VFS_DEV_READ 2001
#define VFS_DEV_WRITE 2002
#define VFS_DEV_SCATTER 2003
#define VFS_DEV_GATHER 2004
#define VFS_DEV_IOCTL 2005
#define VFS_DEV_SELECT 2006