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      1 #ifndef _UAPI_LINUX_FCNTL_H
      2 #define _UAPI_LINUX_FCNTL_H
      3 
      4 #include <asm/fcntl.h>
      5 
      6 #define F_SETLEASE	(F_LINUX_SPECIFIC_BASE + 0)
      7 #define F_GETLEASE	(F_LINUX_SPECIFIC_BASE + 1)
      8 
      9 /*
     10  * Cancel a blocking posix lock; internal use only until we expose an
     11  * asynchronous lock api to userspace:
     12  */
     13 #define F_CANCELLK	(F_LINUX_SPECIFIC_BASE + 5)
     14 
     15 /* Create a file descriptor with FD_CLOEXEC set. */
     16 #define F_DUPFD_CLOEXEC	(F_LINUX_SPECIFIC_BASE + 6)
     17 
     18 /*
     19  * Request nofications on a directory.
     20  * See below for events that may be notified.
     21  */
     22 #define F_NOTIFY	(F_LINUX_SPECIFIC_BASE+2)
     23 
     24 /*
     25  * Set and get of pipe page size array
     26  */
     27 #define F_SETPIPE_SZ	(F_LINUX_SPECIFIC_BASE + 7)
     28 #define F_GETPIPE_SZ	(F_LINUX_SPECIFIC_BASE + 8)
     29 
     30 /*
     31  * Set/Get seals
     32  */
     33 #define F_ADD_SEALS	(F_LINUX_SPECIFIC_BASE + 9)
     34 #define F_GET_SEALS	(F_LINUX_SPECIFIC_BASE + 10)
     35 
     36 /*
     37  * Types of seals
     38  */
     39 #define F_SEAL_SEAL	0x0001	/* prevent further seals from being set */
     40 #define F_SEAL_SHRINK	0x0002	/* prevent file from shrinking */
     41 #define F_SEAL_GROW	0x0004	/* prevent file from growing */
     42 #define F_SEAL_WRITE	0x0008	/* prevent writes */
     43 /* (1U << 31) is reserved for signed error codes */
     44 
     45 /*
     46  * Types of directory notifications that may be requested.
     47  */
     48 #define DN_ACCESS	0x00000001	/* File accessed */
     49 #define DN_MODIFY	0x00000002	/* File modified */
     50 #define DN_CREATE	0x00000004	/* File created */
     51 #define DN_DELETE	0x00000008	/* File removed */
     52 #define DN_RENAME	0x00000010	/* File renamed */
     53 #define DN_ATTRIB	0x00000020	/* File changed attibutes */
     54 #define DN_MULTISHOT	0x80000000	/* Don't remove notifier */
     55 
     56 #define AT_FDCWD		-100    /* Special value used to indicate
     57                                            openat should use the current
     58                                            working directory. */
     59 #define AT_SYMLINK_NOFOLLOW	0x100   /* Do not follow symbolic links.  */
     60 #define AT_REMOVEDIR		0x200   /* Remove directory instead of
     61                                            unlinking file.  */
     62 #define AT_SYMLINK_FOLLOW	0x400   /* Follow symbolic links.  */
     63 #define AT_NO_AUTOMOUNT		0x800	/* Suppress terminal automount traversal */
     64 #define AT_EMPTY_PATH		0x1000	/* Allow empty relative pathname */
     65 
     66 
     67 #endif /* _UAPI_LINUX_FCNTL_H */
     68