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Add flock LFS extensions.
This commit is contained in:
Ulrich Drepper
parent
f059549514
commit
b64c790011
@ -18,7 +18,7 @@
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Boston, MA 02111-1307, USA. */
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#ifndef _FCNTL_H
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#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
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# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
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#endif
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@ -27,8 +27,8 @@
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/* In GNU, read and write are bits (unlike BSD). */
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#ifdef __USE_GNU
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#define O_READ O_RDONLY /* Open for reading. */
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#define O_WRITE O_WRONLY /* Open for writing. */
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# define O_READ O_RDONLY /* Open for reading. */
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# define O_WRITE O_WRONLY /* Open for writing. */
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#endif
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/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
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located on an ext2 file system */
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@ -48,25 +48,36 @@
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#define O_FSYNC O_SYNC
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#define O_ASYNC 020000 /* fcntl, for BSD compatibility */
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#define F_DUPFD 0 /* dup */
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#define F_GETFD 1 /* get f_flags */
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#define F_SETFD 2 /* set f_flags */
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#define F_GETFL 3 /* more flags (cloexec) */
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#define F_SETFL 4
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#define F_GETLK 7
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#define F_SETLK 8
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#define F_SETLKW 9
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/* XXX missing */
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#define O_LARGEFILE 0
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#define F_SETOWN 5 /* for sockets. */
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#define F_GETOWN 6 /* for sockets. */
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/* Values for the second argument to `fcntl'. */
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#define F_DUPFD 0 /* Duplicate file descriptor. */
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#define F_GETFD 1 /* Get file descriptor flags. */
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#define F_SETFD 2 /* Set file descriptor flags. */
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#define F_GETFL 3 /* Get file status flags. */
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#define F_SETFL 4 /* Set file status flags. */
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#define F_GETLK 7 /* Get record locking info. */
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#define F_SETLK 8 /* Set record locking info (non-blocking). */
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#define F_SETLKW 9 /* Set record locking info (blocking). */
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/* XXX missing */
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#define F_GETLK64 7 /* Get record locking info. */
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#define F_SETLK64 8 /* Set record locking info (non-blocking). */
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#define F_SETLKW64 9 /* Set record locking info (blocking). */
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#ifdef __USE_BSD
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# define F_SETOWN 5 /* Get owner of socket (receiver of SIGIO). */
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# define F_GETOWN 6 /* Set owner of socket (receiver of SIGIO). */
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#endif
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/* for F_[GET|SET]FL */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* for posix fcntl() and lockf() */
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#define F_RDLCK 1
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#define F_WRLCK 2
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#define F_UNLCK 8
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/* For posix fcntl() and `l_type' field of a `struct flock' for lockf() */
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#define F_RDLCK 1 /* Read lock. */
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#define F_WRLCK 2 /* Write lock. */
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#define F_UNLCK 8 /* Remove lock. */
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/* for old implementation of bsd flock () */
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#define F_EXLCK 16 /* or 3 */
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@ -79,22 +90,34 @@
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blocking */
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#define LOCK_UN 8 /* remove lock */
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/* We don't need to support __USE_FILE_OFFSET64. */
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struct flock
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{
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short int l_type;
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short int l_whence;
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__off_t l_start;
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__off_t l_len;
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__pid_t l_pid;
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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__off_t l_start; /* Offset where the lock begins. */
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__off_t l_len; /* Size of the locked area; zero means until EOF. */
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__pid_t l_pid; /* Process holding the lock. */
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};
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#ifdef __USE_LARGEFILE64
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struct flock64
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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__pid_t l_pid; /* Process holding the lock. */
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};
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#endif
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/* Define some more compatibility macros to be backward compatible with
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BSD systems which did not managed to hide these kernel macros. */
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#ifdef __USE_BSD
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#define FAPPEND O_APPEND
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#define FFSYNC O_FSYNC
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#define FASYNC O_ASYNC
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#define FNONBLOCK O_NONBLOCK
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#define FNDELAY O_NDELAY
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# define FAPPEND O_APPEND
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# define FFSYNC O_FSYNC
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# define FASYNC O_ASYNC
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# define FNONBLOCK O_NONBLOCK
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# define FNDELAY O_NDELAY
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#endif /* Use BSD. */
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@ -18,7 +18,7 @@
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Boston, MA 02111-1307, USA. */
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#ifndef _FCNTL_H
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#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
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# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
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#endif
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#include <sys/types.h>
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@ -26,8 +26,8 @@
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/* In GNU, read and write are bits (unlike BSD). */
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#ifdef __USE_GNU
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#define O_READ O_RDONLY /* Open for reading. */
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#define O_WRITE O_WRONLY /* Open for writing. */
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# define O_READ O_RDONLY /* Open for reading. */
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# define O_WRITE O_WRONLY /* Open for writing. */
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#endif
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/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
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located on an ext2 file system */
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@ -47,25 +47,36 @@
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#define O_NDELAY O_NONBLOCK
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#define F_DUPFD 0 /* dup */
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#define F_GETFD 1 /* get f_flags */
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#define F_SETFD 2 /* set f_flags */
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#define F_GETFL 3 /* more flags (cloexec) */
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#define F_SETFL 4
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#define F_GETLK 14
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#define F_SETLK 6
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#define F_SETLKW 7
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/* XXX missing */
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#define O_LARGEFILE 0
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#define F_SETOWN 24 /* for sockets. */
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#define F_GETOWN 23 /* for sockets. */
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/* Values for the second argument to `fcntl'. */
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#define F_DUPFD 0 /* Duplicate file descriptor. */
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#define F_GETFD 1 /* Get file descriptor flags. */
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#define F_SETFD 2 /* Set file descriptor flags. */
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#define F_GETFL 3 /* Get file status flags. */
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#define F_SETFL 4 /* Set file status flags. */
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#define F_GETLK 14 /* Get record locking info. */
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#define F_SETLK 6 /* Set record locking info (non-blocking). */
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#define F_SETLKW 7 /* Set record locking info (blocking). */
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/* XXX missing */
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#define F_GETLK64 14 /* Get record locking info. */
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#define F_SETLK64 6 /* Set record locking info (non-blocking). */
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#define F_SETLKW64 7 /* Set record locking info (blocking). */
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#ifdef __USE_BSD
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# define F_SETOWN 5 /* Get owner of socket (receiver of SIGIO). */
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# define F_GETOWN 6 /* Set owner of socket (receiver of SIGIO). */
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#endif
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/* for F_[GET|SET]FL */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* for posix fcntl() and lockf() */
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#define F_RDLCK 0
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#define F_WRLCK 1
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#define F_UNLCK 2
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/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
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#define F_RDLCK 0 /* Read lock. */
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#define F_WRLCK 1 /* Write lock. */
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#define F_UNLCK 2 /* Remove lock. */
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/* for old implementation of bsd flock () */
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#define F_EXLCK 4 /* or 3 */
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@ -78,23 +89,42 @@
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blocking */
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#define LOCK_UN 8 /* remove lock */
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typedef struct flock {
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short l_type;
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short l_whence;
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__off_t l_start;
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__off_t l_len;
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long l_sysid; /* XXX */
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__pid_t l_pid;
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long pad[4]; /* XXX */
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} flock_t;
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typedef struct flock
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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#ifndef __USE_FILE_OFFSET64
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__off_t l_start; /* Offset where the lock begins. */
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__off_t l_len; /* Size of the locked area; zero means until EOF. */
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#else
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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#endif
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long int l_sysid; /* XXX */
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__pid_t l_pid; /* Process holding the lock. */
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long int pad[4]; /* XXX */
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} flock_t;
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#ifdef __USE_LARGEFILE64
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struct flock64
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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long int l_sysid; /* XXX */
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__pid_t l_pid; /* Process holding the lock. */
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long int pad[4]; /* XXX */
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};
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#endif
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/* Define some more compatibility macros to be backward compatible with
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BSD systems which did not managed to hide these kernel macros. */
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#ifdef __USE_BSD
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#define FAPPEND O_APPEND
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#define FFSYNC O_FSYNC
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#define FASYNC O_ASYNC
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#define FNONBLOCK O_NONBLOCK
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#define FNDELAY O_NDELAY
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# define FAPPEND O_APPEND
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# define FFSYNC O_FSYNC
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# define FASYNC O_ASYNC
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# define FNONBLOCK O_NONBLOCK
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# define FNDELAY O_NDELAY
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#endif /* Use BSD. */
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