#ifndef _ASM_GENERIC_FCNTL_H#define _ASM_GENERIC_FCNTL_H #include <linux/types.h> /* * FMODE_EXEC is 0x20 * FMODE_NONOTIFY is 0x1000000 * These cannot be used by userspace O_* until internal and external open * flags are split. * -Eric Paris */ /* * When introducing new O_* bits, please check its uniqueness in fcntl_init(). */ #define O_ACCMODE	00000003#define O_RDONLY	00000000#define O_WRONLY	00000001#define O_RDWR		00000002#ifndef O_CREAT#define O_CREAT		00000100	/* not fcntl */#endif#ifndef O_EXCL#define O_EXCL		00000200	/* not fcntl */#endif#ifndef O_NOCTTY#define O_NOCTTY	00000400	/* not fcntl */#endif#ifndef O_TRUNC#define O_TRUNC		00001000	/* not fcntl */#endif#ifndef O_APPEND#define O_APPEND	00002000#endif#ifndef O_NONBLOCK#define O_NONBLOCK	00004000#endif#ifndef O_DSYNC#define O_DSYNC		00010000	/* used to be O_SYNC, see below */#endif#ifndef FASYNC#define FASYNC		00020000	/* fcntl, for BSD compatibility */#endif#ifndef O_DIRECT#define O_DIRECT	00040000	/* direct disk access hint */#endif#ifndef O_LARGEFILE#define O_LARGEFILE	00100000#endif#ifndef O_DIRECTORY#define O_DIRECTORY	00200000	/* must be a directory */#endif#ifndef O_NOFOLLOW#define O_NOFOLLOW	00400000	/* don't follow links */#endif#ifndef O_NOATIME#define O_NOATIME	01000000#endif#ifndef O_CLOEXEC#define O_CLOEXEC	02000000	/* set close_on_exec */#endif /* * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using * the O_SYNC flag.  We continue to use the existing numerical value * for O_DSYNC semantics now, but using the correct symbolic name for it. * This new value is used to request true Posix O_SYNC semantics.  It is * defined in this strange way to make sure applications compiled against * new headers get at least O_DSYNC semantics on older kernels. * * This has the nice side-effect that we can simply test for O_DSYNC * wherever we do not care if O_DSYNC or O_SYNC is used. * * Note: __O_SYNC must never be used directly. */#ifndef O_SYNC#define __O_SYNC	04000000#define O_SYNC		(__O_SYNC|O_DSYNC)#endif #ifndef O_PATH#define O_PATH		010000000#endif #ifndef O_NDELAY#define O_NDELAY	O_NONBLOCK#endif #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 */#ifndef F_GETLK#define F_GETLK		5#define F_SETLK		6#define F_SETLKW	7#endif#ifndef F_SETOWN#define F_SETOWN	8	/* for sockets. */#define F_GETOWN	9	/* for sockets. */#endif#ifndef F_SETSIG#define F_SETSIG	10	/* for sockets. */#define F_GETSIG	11	/* for sockets. */#endif #ifndef CONFIG_64BIT#ifndef F_GETLK64#define F_GETLK64	12	/*  using 'struct flock64' */#define F_SETLK64	13#define F_SETLKW64	14#endif#endif #ifndef F_SETOWN_EX#define F_SETOWN_EX	15#define F_GETOWN_EX	16#endif #define F_OWNER_TID	0#define F_OWNER_PID	1#define F_OWNER_PGRP	2 struct f_owner_ex {	int	type;	__kernel_pid_t	pid;}; /* for F_[GET|SET]FL */#define FD_CLOEXEC	1	/* actually anything with low bit set goes */ /* for posix fcntl() and lockf() */#ifndef F_RDLCK#define F_RDLCK		0#define F_WRLCK		1#define F_UNLCK		2#endif /* for old implementation of bsd flock () */#ifndef F_EXLCK#define F_EXLCK		4	/* or 3 */#define F_SHLCK		8	/* or 4 */#endif /* 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 */ #define F_LINUX_SPECIFIC_BASE	1024 #ifndef HAVE_ARCH_STRUCT_FLOCK#ifndef __ARCH_FLOCK_PAD#define __ARCH_FLOCK_PAD#endif struct flock {	short	l_type;	short	l_whence;	__kernel_off_t	l_start;	__kernel_off_t	l_len;	__kernel_pid_t	l_pid;	__ARCH_FLOCK_PAD};#endif #ifndef CONFIG_64BIT #ifndef HAVE_ARCH_STRUCT_FLOCK64#ifndef __ARCH_FLOCK64_PAD#define __ARCH_FLOCK64_PAD#endif struct flock64 {	short  l_type;	short  l_whence;	__kernel_loff_t l_start;	__kernel_loff_t l_len;	__kernel_pid_t  l_pid;	__ARCH_FLOCK64_PAD};#endif#endif /* !CONFIG_64BIT */ #endif /* _ASM_GENERIC_FCNTL_H */