1 /* 2 * include/asm-s390/fcntl.h 3 * 4 * S390 version 5 * 6 * Derived from "include/asm-i386/fcntl.h" 7 */ 8 #ifndef _S390_FCNTL_H 9 #define _S390_FCNTL_H 10 11 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files 12 located on an ext2 file system */ 13 #define O_ACCMODE 0003 14 #define O_RDONLY 00 15 #define O_WRONLY 01 16 #define O_RDWR 02 17 #define O_CREAT 0100 /* not fcntl */ 18 #define O_EXCL 0200 /* not fcntl */ 19 #define O_NOCTTY 0400 /* not fcntl */ 20 #define O_TRUNC 01000 /* not fcntl */ 21 #define O_APPEND 02000 22 #define O_NONBLOCK 04000 23 #define O_NDELAY O_NONBLOCK 24 #define O_SYNC 010000 25 #define FASYNC 020000 /* fcntl, for BSD compatibility */ 26 #define O_DIRECT 040000 /* direct disk access hint */ 27 #define O_LARGEFILE 0100000 28 #define O_DIRECTORY 0200000 /* must be a directory */ 29 #define O_NOFOLLOW 0400000 /* don't follow links */ 30 31 #define F_DUPFD 0 /* dup */ 32 #define F_GETFD 1 /* get close_on_exec */ 33 #define F_SETFD 2 /* set/clear close_on_exec */ 34 #define F_GETFL 3 /* get file->f_flags */ 35 #define F_SETFL 4 /* set file->f_flags */ 36 #define F_GETLK 5 37 #define F_SETLK 6 38 #define F_SETLKW 7 39 40 #define F_SETOWN 8 /* for sockets. */ 41 #define F_GETOWN 9 /* for sockets. */ 42 #define F_SETSIG 10 /* for sockets. */ 43 #define F_GETSIG 11 /* for sockets. */ 44 45 /* for F_[GET|SET]FL */ 46 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ 47 48 /* for posix fcntl() and lockf() */ 49 #define F_RDLCK 0 50 #define F_WRLCK 1 51 #define F_UNLCK 2 52 53 /* for old implementation of bsd flock () */ 54 #define F_EXLCK 4 /* or 3 */ 55 #define F_SHLCK 8 /* or 4 */ 56 57 /* for leases */ 58 #define F_INPROGRESS 16 59 60 /* operations for bsd flock(), also used by the kernel implementation */ 61 #define LOCK_SH 1 /* shared lock */ 62 #define LOCK_EX 2 /* exclusive lock */ 63 #define LOCK_NB 4 /* or'd with one of the above to prevent 64 blocking */ 65 #define LOCK_UN 8 /* remove lock */ 66 67 #define LOCK_MAND 32 /* This is a mandatory flock */ 68 #define LOCK_READ 64 /* ... Which allows concurrent read operations */ 69 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations 70 */ 71 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ 72 73 struct flock { 74 short l_type; 75 short l_whence; 76 __kernel_off_t l_start; 77 __kernel_off_t l_len; 78 __kernel_pid_t l_pid; 79 }; 80 81 #define F_LINUX_SPECIFIC_BASE 1024 82 83 #define flock64 flock 84 85 #endif 86