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