1#ifndef _X86_64_FCNTL_H 2#define _X86_64_FCNTL_H 3 4/* open/fcntl - O_SYNC is only implemented on blocks devices and on files 5 located on an ext2 file system */ 6#define O_ACCMODE 0003 7#define O_RDONLY 00 8#define O_WRONLY 01 9#define O_RDWR 02 10#define O_CREAT 0100 /* not fcntl */ 11#define O_EXCL 0200 /* not fcntl */ 12#define O_NOCTTY 0400 /* not fcntl */ 13#define O_TRUNC 01000 /* not fcntl */ 14#define O_APPEND 02000 15#define O_NONBLOCK 04000 16#define O_NDELAY O_NONBLOCK 17#define O_SYNC 010000 18#define FASYNC 020000 /* fcntl, for BSD compatibility */ 19#define O_DIRECT 040000 /* direct disk access hint */ 20#define O_LARGEFILE 0100000 21#define O_DIRECTORY 0200000 /* must be a directory */ 22#define O_NOFOLLOW 0400000 /* don't follow links */ 23 24#define F_DUPFD 0 /* dup */ 25#define F_GETFD 1 /* get close_on_exec */ 26#define F_SETFD 2 /* set/clear close_on_exec */ 27#define F_GETFL 3 /* get file->f_flags */ 28#define F_SETFL 4 /* set file->f_flags */ 29#define F_GETLK 5 30#define F_SETLK 6 31#define F_SETLKW 7 32 33#define F_SETOWN 8 /* for sockets. */ 34#define F_GETOWN 9 /* for sockets. */ 35#define F_SETSIG 10 /* for sockets. */ 36#define F_GETSIG 11 /* for sockets. */ 37 38/* for F_[GET|SET]FL */ 39#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 40 41/* for posix fcntl() and lockf() */ 42#define F_RDLCK 0 43#define F_WRLCK 1 44#define F_UNLCK 2 45 46/* for old implementation of bsd flock () */ 47#define F_EXLCK 4 /* or 3 */ 48#define F_SHLCK 8 /* or 4 */ 49 50/* for leases */ 51#define F_INPROGRESS 16 52 53/* operations for bsd flock(), also used by the kernel implementation */ 54#define LOCK_SH 1 /* shared lock */ 55#define LOCK_EX 2 /* exclusive lock */ 56#define LOCK_NB 4 /* or'd with one of the above to prevent 57 blocking */ 58#define LOCK_UN 8 /* remove lock */ 59 60#define LOCK_MAND 32 /* This is a mandatory flock */ 61#define LOCK_READ 64 /* ... Which allows concurrent read operations */ 62#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ 63#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ 64 65struct flock { 66 short l_type; 67 short l_whence; 68 off_t l_start; 69 off_t l_len; 70 pid_t l_pid; 71}; 72 73#define F_LINUX_SPECIFIC_BASE 1024 74 75#ifdef __KERNEL__ 76#define flock64 flock 77#endif 78 79#endif /* !_X86_64_FCNTL_H */ 80