|  | #ifndef _ASM_FCNTL_H | 
|  | #define _ASM_FCNTL_H | 
|  |  | 
|  | /* open/fcntl - O_SYNC is only implemented on blocks devices and on files | 
|  | located on an ext2 file system */ | 
|  | #define O_ACCMODE	   0003 | 
|  | #define O_RDONLY	     00 | 
|  | #define O_WRONLY	     01 | 
|  | #define O_RDWR		     02 | 
|  | #define O_CREAT		   0100	/* not fcntl */ | 
|  | #define O_EXCL		   0200	/* not fcntl */ | 
|  | #define O_NOCTTY	   0400	/* not fcntl */ | 
|  | #define O_TRUNC		  01000	/* not fcntl */ | 
|  | #define O_APPEND	  02000 | 
|  | #define O_NONBLOCK	  04000 | 
|  | #define O_NDELAY	O_NONBLOCK | 
|  | #define O_SYNC		 010000 | 
|  | #define FASYNC		 020000	/* fcntl, for BSD compatibility */ | 
|  | #define O_DIRECT	 040000	/* direct disk access hint */ | 
|  | #define O_LARGEFILE	0100000 | 
|  | #define O_DIRECTORY	0200000	/* must be a directory */ | 
|  | #define O_NOFOLLOW	0400000 /* don't follow links */ | 
|  | #define O_NOATIME	01000000 | 
|  |  | 
|  | #define F_DUPFD		0	/* dup */ | 
|  | #define F_GETFD		1	/* get close_on_exec */ | 
|  | #define F_SETFD		2	/* set/clear close_on_exec */ | 
|  | #define F_GETFL		3	/* get file->f_flags */ | 
|  | #define F_SETFL		4	/* set file->f_flags */ | 
|  | #define F_GETLK		5 | 
|  | #define F_SETLK		6 | 
|  | #define F_SETLKW	7 | 
|  |  | 
|  | #define F_SETOWN	8	/*  for sockets. */ | 
|  | #define F_GETOWN	9	/*  for sockets. */ | 
|  | #define F_SETSIG	10	/*  for sockets. */ | 
|  | #define F_GETSIG	11	/*  for sockets. */ | 
|  |  | 
|  | #define F_GETLK64	12	/*  using 'struct flock64' */ | 
|  | #define F_SETLK64	13 | 
|  | #define F_SETLKW64	14 | 
|  |  | 
|  | /* for F_[GET|SET]FL */ | 
|  | #define FD_CLOEXEC	1	/* actually anything with low bit set goes */ | 
|  |  | 
|  | /* for posix fcntl() and lockf() */ | 
|  | #define F_RDLCK		0 | 
|  | #define F_WRLCK		1 | 
|  | #define F_UNLCK		2 | 
|  |  | 
|  | /* for old implementation of bsd flock () */ | 
|  | #define F_EXLCK		4	/* or 3 */ | 
|  | #define F_SHLCK		8	/* or 4 */ | 
|  |  | 
|  | /* for leases */ | 
|  | #define F_INPROGRESS	16 | 
|  |  | 
|  | /* operations for bsd flock(), also used by the kernel implementation */ | 
|  | #define LOCK_SH		1	/* shared lock */ | 
|  | #define LOCK_EX		2	/* exclusive lock */ | 
|  | #define LOCK_NB		4	/* or'd with one of the above to prevent | 
|  | blocking */ | 
|  | #define LOCK_UN		8	/* remove lock */ | 
|  |  | 
|  | #define LOCK_MAND	32	/* This is a mandatory flock */ | 
|  | #define LOCK_READ	64	/* ... Which allows concurrent read operations */ | 
|  | #define LOCK_WRITE	128	/* ... Which allows concurrent write operations */ | 
|  | #define LOCK_RW		192	/* ... Which allows concurrent read & write ops */ | 
|  |  | 
|  | struct flock { | 
|  | short l_type; | 
|  | short l_whence; | 
|  | off_t l_start; | 
|  | off_t l_len; | 
|  | pid_t l_pid; | 
|  | }; | 
|  |  | 
|  | struct flock64 { | 
|  | short  l_type; | 
|  | short  l_whence; | 
|  | loff_t l_start; | 
|  | loff_t l_len; | 
|  | pid_t  l_pid; | 
|  | }; | 
|  |  | 
|  | #define F_LINUX_SPECIFIC_BASE	1024 | 
|  | #endif /* _ASM_FCNTL_H */ | 
|  |  |