minix/include/minix/vfsif.h
Thomas Veerman ca9280e097 - Fix dangling symlink regression
- Make open(2) more POSIX compliant
- Add a test case for dangling symlinks and open() syscall with O_CREAT and
  O_EXCL on a symlink.
- Update open(2) man page to reflect change.
2010-01-21 09:32:15 +00:00

121 lines
3.2 KiB
C

#ifndef __MINIX_VFSIF_H
#define __MINIX_VFSIF_H
#include <sys/types.h>
#include <limits.h>
/* VFS/FS request fields */
#define REQ_ACTIME m9_l2
#define REQ_COUNT m9_l2
#define REQ_DEV m9_l5
#define REQ_DEV2 m9_l1
#define REQ_DIR_INO m9_l3
#define REQ_DRIVER_E m9_l2
#define REQ_FLAGS m9_s3
#define REQ_GID m9_s1
#define REQ_GRANT m9_l2
#define REQ_GRANT2 m9_l1
#define REQ_GRANT3 m9_l3
#define REQ_INODE_NR m9_l1
#define REQ_MEM_SIZE m9_l5
#define REQ_MODE m9_s3
#define REQ_MODTIME m9_l3
#define REQ_NBYTES m9_l5
#define REQ_PATH_LEN m9_s2
#define REQ_PATH_SIZE m9_l5
#define REQ_REN_GRANT_NEW m9_l1
#define REQ_REN_GRANT_OLD m9_l2
#define REQ_REN_LEN_NEW m9_s2
#define REQ_REN_LEN_OLD m9_s1
#define REQ_REN_NEW_DIR m9_l4
#define REQ_REN_OLD_DIR m9_l3
#define REQ_ROOT_INO m9_l4
#define REQ_SEEK_POS_HI m9_l3
#define REQ_SEEK_POS_LO m9_l4
#define REQ_TRC_END_HI m9_l4
#define REQ_TRC_END_LO m9_l5
#define REQ_TRC_START_HI m9_l2
#define REQ_TRC_START_LO m9_l3
#define REQ_UCRED_SIZE m9_s4
#define REQ_UID m9_s4
/* VFS/FS reply fields */
#define RES_DEV m9_l4
#define RES_GID m9_s1
#define RES_INODE_NR m9_l1
#define RES_FILE_SIZE_HI m9_l2
#define RES_FILE_SIZE_LO m9_l3
#define RES_MODE m9_s2
#define RES_NBYTES m9_l5
#define RES_OFFSET m9_s2
#define RES_SEEK_POS_HI m9_l3
#define RES_SEEK_POS_LO m9_l4
#define RES_SYMLOOP m9_s3
#define RES_UID m9_s4
/* VFS/FS flags */
#define REQ_RDONLY 001
#define REQ_ISROOT 002
#define PATH_NOFLAGS 000
#define PATH_RET_SYMLINK 010 /* Return a symlink object (i.e.
* do not continue with the contents
* of the symlink if it is the last
* component in a path). */
#define PATH_GET_UCRED 020 /* Request provides a grant ID in m9_l1
* and struct ucred size in m9_s4 (as
* opposed to a REQ_UID). */
/* VFS/FS error messages */
#define EENTERMOUNT (-301)
#define ELEAVEMOUNT (-302)
#define ESYMLINK (-303)
/* VFS/FS types */
/* User credential structure */
typedef struct {
uid_t vu_uid;
gid_t vu_gid;
int vu_ngroups;
gid_t vu_sgroups[NGROUPS_MAX];
} vfs_ucred_t;
/* Request numbers */
#define REQ_GETNODE (VFS_BASE + 1) /* Should be removed */
#define REQ_PUTNODE (VFS_BASE + 2)
#define REQ_SLINK (VFS_BASE + 3)
#define REQ_FTRUNC (VFS_BASE + 4)
#define REQ_CHOWN (VFS_BASE + 5)
#define REQ_CHMOD (VFS_BASE + 6)
#define REQ_INHIBREAD (VFS_BASE + 7)
#define REQ_STAT (VFS_BASE + 8)
#define REQ_UTIME (VFS_BASE + 9)
#define REQ_FSTATFS (VFS_BASE + 10)
#define REQ_BREAD (VFS_BASE + 11)
#define REQ_BWRITE (VFS_BASE + 12)
#define REQ_UNLINK (VFS_BASE + 13)
#define REQ_RMDIR (VFS_BASE + 14)
#define REQ_UNMOUNT (VFS_BASE + 15)
#define REQ_SYNC (VFS_BASE + 16)
#define REQ_NEW_DRIVER (VFS_BASE + 17)
#define REQ_FLUSH (VFS_BASE + 18)
#define REQ_READ (VFS_BASE + 19)
#define REQ_WRITE (VFS_BASE + 20)
#define REQ_MKNOD (VFS_BASE + 21)
#define REQ_MKDIR (VFS_BASE + 22)
#define REQ_CREATE (VFS_BASE + 23)
#define REQ_LINK (VFS_BASE + 24)
#define REQ_RENAME (VFS_BASE + 25)
#define REQ_LOOKUP (VFS_BASE + 26)
#define REQ_MOUNTPOINT (VFS_BASE + 27)
#define REQ_READSUPER (VFS_BASE + 28)
#define REQ_NEWNODE (VFS_BASE + 29)
#define REQ_RDLINK (VFS_BASE + 30)
#define REQ_GETDENTS (VFS_BASE + 31)
#define NREQS 32
#endif