#ifndef _FCNTL_H #define _FCNTL_H #include #include #include #define F_LINUX_SPECIFIC_BASE 1024 #if defined(__i386__) || defined(__s390__) || defined(__x86_64__) || defined(__ia64__) /* 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 - currently ignored */ #define O_LARGEFILE 0100000 #define O_DIRECTORY 0200000 /* must be a directory */ #define O_NOFOLLOW 0400000 /* don't follow links */ #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 #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; }; #elif defined(__alpha__) /* 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 01000 /* not fcntl */ #define O_TRUNC 02000 /* not fcntl */ #define O_EXCL 04000 /* not fcntl */ #define O_NOCTTY 010000 /* not fcntl */ #define O_NONBLOCK 00004 #define O_APPEND 00010 #define O_NDELAY O_NONBLOCK #define O_SYNC 040000 #define FASYNC 020000 /* fcntl, for BSD compatibility */ #define O_DIRECT 040000 /* direct disk access - should check with OSF/1 */ #define O_DIRECTORY 0100000 /* must be a directory */ #define O_NOFOLLOW 0200000 /* don't follow links */ #define O_LARGEFILE 0400000 /* will be set by the kernel on every open */ #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 7 #define F_SETLK 8 #define F_SETLKW 9 #define F_SETOWN 5 /* for sockets. */ #define F_GETOWN 6 /* for sockets. */ #define F_SETSIG 10 /* for sockets. */ #define F_GETSIG 11 /* for sockets. */ /* for F_[GET|SET]FL */ #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ /* for posix fcntl() and lockf() */ #define F_RDLCK 1 #define F_WRLCK 2 #define F_UNLCK 8 /* for old implementation of bsd flock () */ #define F_EXLCK 16 /* or 3 */ #define F_SHLCK 32 /* or 4 */ #define F_INPROGRESS 64 /* 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; }; #elif defined(__mips__) /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ #define O_ACCMODE 0x0003 #define O_RDONLY 0x0000 #define O_WRONLY 0x0001 #define O_RDWR 0x0002 #define O_APPEND 0x0008 #define O_SYNC 0x0010 #define O_NONBLOCK 0x0080 #define O_CREAT 0x0100 /* not fcntl */ #define O_TRUNC 0x0200 /* not fcntl */ #define O_EXCL 0x0400 /* not fcntl */ #define O_NOCTTY 0x0800 /* not fcntl */ #define FASYNC 0x1000 /* fcntl, for BSD compatibility */ #define O_LARGEFILE 0x2000 /* allow large file opens - currently ignored */ #define O_DIRECT 0x8000 /* direct disk access hint - currently ignored */ #define O_DIRECTORY 0x10000 /* must be a directory */ #define O_NOFOLLOW 0x20000 /* don't follow links */ #define O_NDELAY O_NONBLOCK #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 14 #define F_SETLK 6 #define F_SETLKW 7 #define F_SETOWN 24 /* for sockets. */ #define F_GETOWN 23 /* for sockets. */ #define F_SETSIG 10 /* for sockets. */ #define F_GETSIG 11 /* for sockets. */ /* 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 XXXXXXXXXXXXXXXXXX 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 */ typedef struct flock { short l_type; short l_whence; off_t l_start; off_t l_len; long l_sysid; /* XXXXXXXXXXXXXXXXXXXXXXXXX */ pid_t l_pid; long pad[4]; /* ZZZZZZZZZZZZZZZZZZZZZZZZZZ */ } flock_t; #elif defined(__sparc__) /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ #define O_RDONLY 0x0000 #define O_WRONLY 0x0001 #define O_RDWR 0x0002 #define O_ACCMODE 0x0003 #define O_APPEND 0x0008 #define FASYNC 0x0040 /* fcntl, for BSD compatibility */ #define O_CREAT 0x0200 /* not fcntl */ #define O_TRUNC 0x0400 /* not fcntl */ #define O_EXCL 0x0800 /* not fcntl */ #define O_SYNC 0x2000 #define O_NONBLOCK 0x4000 #define O_NDELAY (0x0004 | O_NONBLOCK) #define O_NOCTTY 0x8000 /* not fcntl */ #define O_DIRECTORY 0x10000 /* must be a directory */ #define O_NOFOLLOW 0x20000 /* don't follow links */ #define O_LARGEFILE 0x40000 #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_GETOWN 5 /* for sockets. */ #define F_SETOWN 6 /* for sockets. */ #define F_GETLK 7 #define F_SETLK 8 #define F_SETLKW 9 #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 1 #define F_WRLCK 2 #define F_UNLCK 3 /* 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; short __unused; }; #ifdef __arch64__ #define flock64 flock #else struct flock64 { short l_type; short l_whence; loff_t l_start; loff_t l_len; pid_t l_pid; short __unused; }; #endif #elif defined(__powerpc__) /* 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_DIRECTORY 040000 /* must be a directory */ #define O_NOFOLLOW 0100000 /* don't follow links */ #define O_LARGEFILE 0200000 #define O_DIRECT 0400000 /* direct disk access hint - currently ignored */ #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; }; #elif defined (__arm__) /* 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_DIRECTORY 040000 /* must be a directory */ #define O_NOFOLLOW 0100000 /* don't follow links */ #define O_DIRECT 0200000 /* direct disk access hint - currently ignored */ #define O_LARGEFILE 0400000 #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; }; #elif defined(__hppa__) /* Copied from bits/fcntl.h */ #define O_RDONLY 00000000 #define O_WRONLY 00000001 #define O_RDWR 00000002 #define O_ACCMODE 00000003 #define O_APPEND 00000010 #define O_BLKSEEK 00000100 /* HPUX only */ #define O_CREAT 00000400 /* not fcntl */ #define O_TRUNC 00001000 /* not fcntl */ #define O_EXCL 00002000 /* not fcntl */ #define O_ASYNC 00020000 #define O_SYNC 00100000 #define O_NONBLOCK 00200004 /* HPUX has separate NDELAY & NONBLOCK */ #define O_NDELAY O_NONBLOCK #define O_NOCTTY 00400000 /* not fcntl */ #define O_DIRECTORY 00010000 #define F_DUPFD 0 /* Duplicate file descriptor. */ #define F_GETFD 1 /* Get file descriptor flags. */ #define F_SETFD 2 /* Set file descriptor flags. */ #define F_GETFL 3 /* Get file status flags. */ #define F_SETFL 4 /* Set file status flags. */ #define F_GETLK 5 /* Get record locking info. */ #define F_SETLK 6 /* Set record locking info (non-blocking). */ #define F_SETLKW 7 /* Set record locking info (blocking). */ #define F_GETLK64 8 /* Get record locking info. */ #define F_SETLK64 9 /* Set record locking info (non-blocking). */ #define F_SETLKW64 10 /* Set record locking info (blocking). */ #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ #define F_RDLCK 1 /* Read lock. */ #define F_WRLCK 2 /* Write lock. */ #define F_UNLCK 3 /* Remove lock. */ #define F_EXLCK 4 /* or 3 */ #define F_SHLCK 8 /* or 4 */ struct flock { short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ off_t l_start; /* Offset where the lock begins. */ off_t l_len; /* Size of the locked area; zero means until EOF. */ pid_t l_pid; /* Process holding the lock. */ }; struct flock64 { short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ off64_t l_start; /* Offset where the lock begins. */ off64_t l_len; /* Size of the locked area; zero means until EOF. */ pid_t l_pid; /* Process holding the lock. */ }; #endif extern int fcntl (int __fd, int __cmd, ...) __THROW; extern int lockf (int __fd, int __cmd, off_t __len) __THROW; extern int lockf64 (int __fd, int __cmd, off64_t __len) __THROW; #define F_ULOCK 0 /* Unlock a previously locked region. */ #define F_LOCK 1 /* Lock a region for exclusive use. */ #define F_TLOCK 2 /* Test and lock a region for exclusive use. */ #define F_TEST 3 /* Test a region for other processes locks. */ #if !defined(O_ASYNC) && defined(FASYNC) #define O_ASYNC FASYNC #endif #endif