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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
This commit is contained in:
Ulrich Drepper
@ -1,5 +1,5 @@
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/* O_*, F_*, FD_* bit values for Linux.
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Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006
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Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -22,11 +22,8 @@
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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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#ifdef __USE_GNU
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# include <bits/uio.h>
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#endif
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#include <sys/types.h>
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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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@ -46,18 +43,18 @@
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#define O_ASYNC 020000
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#ifdef __USE_GNU
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# define O_DIRECT 040000 /* Direct disk access. */
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# define O_DIRECTORY 0200000 /* Must be a directory. */
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# define O_NOFOLLOW 0400000 /* Do not follow links. */
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# define O_DIRECT 040000 /* Direct disk access. */
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# define O_DIRECTORY 0200000 /* Must be a directory. */
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# define O_NOFOLLOW 0400000 /* Do not follow links. */
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# define O_NOATIME 01000000 /* Do not set atime. */
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#endif
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/* For now Linux has synchronisity options for data and read operations.
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We define the symbols here but let them do the same as O_SYNC since
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this is a superset. */
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this is a superset. */
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#if defined __USE_POSIX199309 || defined __USE_UNIX98
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# define O_DSYNC O_SYNC /* Synchronize data. */
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# define O_RSYNC O_SYNC /* Synchronize read operations. */
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# define O_RSYNC O_SYNC /* Synchronize read operations. */
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#endif
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#ifdef __USE_LARGEFILE64
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@ -73,15 +70,15 @@
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#ifndef __USE_FILE_OFFSET64
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# define F_GETLK 5 /* 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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# define F_SETLKW 7 /* Set record locking info (blocking). */
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#else
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# define F_GETLK F_GETLK64 /* Get record locking info. */
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# define F_GETLK F_GETLK64 /* Get record locking info. */
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# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
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# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
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#endif
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#define F_GETLK64 12 /* Get record locking info. */
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#define F_SETLK64 13 /* Set record locking info (non-blocking). */
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#define F_SETLKW64 14 /* Set record locking info (blocking). */
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#define F_SETLKW64 14 /* Set record locking info (blocking). */
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#if defined __USE_BSD || defined __USE_UNIX98
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# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
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@ -93,26 +90,20 @@
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# define F_GETSIG 11 /* Get number of signal to be sent. */
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#endif
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#ifdef __USE_GNU
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# define F_SETLEASE 1024 /* Set a lease. */
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# define F_GETLEASE 1025 /* Enquire what lease is active. */
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# define F_NOTIFY 1026 /* Request notfications on a directory. */
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#endif
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/* For F_[GET|SET]FD. */
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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 `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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#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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#define F_SHLCK 8 /* or 4 */
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#ifdef __USE_BSD
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/* Operations for bsd flock(), also used by the kernel implementation. */
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/* Operations for bsd flock(), also used by the kernel implementation. */
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# define LOCK_SH 1 /* shared lock */
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# define LOCK_EX 2 /* exclusive lock */
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# define LOCK_NB 4 /* or'd with one of the above to prevent
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@ -120,27 +111,9 @@
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# define LOCK_UN 8 /* remove lock */
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#endif
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#ifdef __USE_GNU
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# define LOCK_MAND 32 /* This is a mandatory flock: */
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# define LOCK_READ 64 /* ... which allows concurrent read operations. */
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# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
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# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
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#endif
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#ifdef __USE_GNU
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/* Types of directory notifications that may be requested with F_NOTIFY. */
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# define DN_ACCESS 0x00000001 /* File accessed. */
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# define DN_MODIFY 0x00000002 /* File modified. */
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# define DN_CREATE 0x00000004 /* File created. */
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# define DN_DELETE 0x00000008 /* File removed. */
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# define DN_RENAME 0x00000010 /* File renamed. */
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# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
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# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
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#endif
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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_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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@ -155,7 +128,7 @@ struct flock
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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_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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@ -177,61 +150,16 @@ struct flock64
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#ifdef __USE_XOPEN2K
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# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
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# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
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# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
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# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
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# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
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# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
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# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
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#endif
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#ifdef __USE_GNU
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/* Flags for SYNC_FILE_RANGE. */
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# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
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in the range before performing the
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write. */
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# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
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dirty pages in the range which are
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not presently under writeback. */
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# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
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the range after performing the
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write. */
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/* Flags for SPLICE and VMSPLICE. */
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# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
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# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
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(but we may still block on the fd
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we splice from/to). */
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# define SPLICE_F_MORE 4 /* Expect more data. */
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# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
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#endif
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__BEGIN_DECLS
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#ifdef __USE_GNU
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/* Provide kernel hint to read ahead. */
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extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
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__THROW;
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/* Selective file content synch'ing. */
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extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
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unsigned int __flags);
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/* Splice address range into a pipe. */
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extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count,
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unsigned int __flags);
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/* Splice two files together. */
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extern int splice (int __fdin, __off64_t *__offin, int __fdout,
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__off64_t *__offout, size_t __len, unsigned int __flags)
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__THROW;
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/* In-kernel implementation of tee for pipe buffers. */
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extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
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__THROW;
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#endif
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__END_DECLS
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