 ca9280e097
			
		
	
	
		ca9280e097
		
	
	
	
	
		
			
			- 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.
		
			
				
	
	
		
			121 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef __MINIX_VFSIF_H
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| #define __MINIX_VFSIF_H
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| 
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| #include <sys/types.h>
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| #include <limits.h>
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| 
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| /* VFS/FS request fields */
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| #define REQ_ACTIME		m9_l2
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| #define REQ_COUNT		m9_l2
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| #define REQ_DEV			m9_l5
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| #define REQ_DEV2		m9_l1
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| #define REQ_DIR_INO   		m9_l3
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| #define REQ_DRIVER_E		m9_l2
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| #define REQ_FLAGS		m9_s3
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| #define REQ_GID			m9_s1
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| #define REQ_GRANT		m9_l2
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| #define REQ_GRANT2		m9_l1 
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| #define REQ_GRANT3		m9_l3
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| #define REQ_INODE_NR		m9_l1
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| #define REQ_MEM_SIZE		m9_l5
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| #define REQ_MODE		m9_s3
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| #define REQ_MODTIME		m9_l3
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| #define REQ_NBYTES		m9_l5
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| #define REQ_PATH_LEN		m9_s2
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| #define REQ_PATH_SIZE		m9_l5
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| #define REQ_REN_GRANT_NEW	m9_l1
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| #define REQ_REN_GRANT_OLD	m9_l2
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| #define REQ_REN_LEN_NEW		m9_s2
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| #define REQ_REN_LEN_OLD		m9_s1
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| #define REQ_REN_NEW_DIR		m9_l4
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| #define REQ_REN_OLD_DIR		m9_l3
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| #define REQ_ROOT_INO		m9_l4
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| #define REQ_SEEK_POS_HI		m9_l3
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| #define REQ_SEEK_POS_LO		m9_l4
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| #define REQ_TRC_END_HI		m9_l4
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| #define REQ_TRC_END_LO		m9_l5
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| #define REQ_TRC_START_HI	m9_l2
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| #define REQ_TRC_START_LO	m9_l3
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| #define REQ_UCRED_SIZE		m9_s4 
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| #define REQ_UID			m9_s4
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| 
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| 
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| /* VFS/FS reply fields */
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| #define RES_DEV			m9_l4
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| #define RES_GID			m9_s1
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| #define RES_INODE_NR		m9_l1
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| #define RES_FILE_SIZE_HI	m9_l2
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| #define RES_FILE_SIZE_LO	m9_l3
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| #define RES_MODE		m9_s2
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| #define RES_NBYTES		m9_l5
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| #define RES_OFFSET		m9_s2
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| #define RES_SEEK_POS_HI		m9_l3
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| #define RES_SEEK_POS_LO		m9_l4
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| #define RES_SYMLOOP		m9_s3
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| #define RES_UID			m9_s4
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| 
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| /* VFS/FS flags */
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| #define REQ_RDONLY		001
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| #define REQ_ISROOT		002
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| #define PATH_NOFLAGS		000
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| #define PATH_RET_SYMLINK	010	/* Return a symlink object (i.e.
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| 					 * do not continue with the contents
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| 					 * of the symlink if it is the last
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| 					 * component in a path). */
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| #define PATH_GET_UCRED		020	/* Request provides a grant ID in m9_l1
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| 					 * and struct ucred size in m9_s4 (as
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| 					 * opposed to a REQ_UID). */
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| 
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| /* VFS/FS error messages */
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| #define EENTERMOUNT              (-301)
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| #define ELEAVEMOUNT              (-302)
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| #define ESYMLINK                 (-303)
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| 
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| /* VFS/FS types */
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| 
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| /* User credential structure */
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| typedef struct {
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| 	uid_t vu_uid;
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| 	gid_t vu_gid;
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| 	int vu_ngroups;
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| 	gid_t vu_sgroups[NGROUPS_MAX];
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| } vfs_ucred_t;
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| 
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| /* Request numbers */
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| #define REQ_GETNODE	(VFS_BASE + 1)	/* Should be removed */
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| #define REQ_PUTNODE	(VFS_BASE + 2)
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| #define REQ_SLINK	(VFS_BASE + 3)
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| #define REQ_FTRUNC	(VFS_BASE + 4)
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| #define REQ_CHOWN	(VFS_BASE + 5)
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| #define REQ_CHMOD	(VFS_BASE + 6)
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| #define REQ_INHIBREAD	(VFS_BASE + 7)
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| #define REQ_STAT	(VFS_BASE + 8)
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| #define REQ_UTIME	(VFS_BASE + 9)
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| #define REQ_FSTATFS	(VFS_BASE + 10)
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| #define REQ_BREAD	(VFS_BASE + 11)
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| #define REQ_BWRITE	(VFS_BASE + 12)
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| #define REQ_UNLINK	(VFS_BASE + 13)
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| #define REQ_RMDIR	(VFS_BASE + 14)
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| #define REQ_UNMOUNT	(VFS_BASE + 15)
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| #define REQ_SYNC	(VFS_BASE + 16)
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| #define REQ_NEW_DRIVER	(VFS_BASE + 17)
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| #define REQ_FLUSH	(VFS_BASE + 18)
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| #define REQ_READ	(VFS_BASE + 19)
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| #define REQ_WRITE	(VFS_BASE + 20)
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| #define REQ_MKNOD	(VFS_BASE + 21)
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| #define REQ_MKDIR	(VFS_BASE + 22)
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| #define REQ_CREATE	(VFS_BASE + 23)
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| #define REQ_LINK	(VFS_BASE + 24)
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| #define REQ_RENAME	(VFS_BASE + 25)
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| #define REQ_LOOKUP	(VFS_BASE + 26)
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| #define REQ_MOUNTPOINT  (VFS_BASE + 27)
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| #define REQ_READSUPER	(VFS_BASE + 28) 
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| #define REQ_NEWNODE	(VFS_BASE + 29)
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| #define REQ_RDLINK	(VFS_BASE + 30)
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| #define REQ_GETDENTS	(VFS_BASE + 31)
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| 
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| #define NREQS                   32 
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| 
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| #endif
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| 
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