cregit-Linux how code gets into the kernel

Release 4.14 arch/alpha/include/uapi/asm/fcntl.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ALPHA_FCNTL_H

#define _ALPHA_FCNTL_H


#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_DSYNC		040000	
/* used to be O_SYNC, see below */

#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 O_DIRECT	02000000 
/* direct disk access - should check with OSF/1 */

#define O_NOATIME	04000000

#define O_CLOEXEC	010000000 
/* set close_on_exec */
/*
 * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using
 * the O_SYNC flag.  We continue to use the existing numerical value
 * for O_DSYNC semantics now, but using the correct symbolic name for it.
 * This new value is used to request true Posix O_SYNC semantics.  It is
 * defined in this strange way to make sure applications compiled against
 * new headers get at least O_DSYNC semantics on older kernels.
 *
 * This has the nice side-effect that we can simply test for O_DSYNC
 * wherever we do not care if O_DSYNC or O_SYNC is used.
 *
 * Note: __O_SYNC must never be used directly.
 */

#define __O_SYNC	020000000

#define O_SYNC		(__O_SYNC|O_DSYNC)


#define O_PATH		040000000

#define __O_TMPFILE	0100000000


#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 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 */

#include <asm-generic/fcntl.h>

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)11074.83%637.50%
Christoph Hellwig117.48%212.50%
Stephen Rothwell74.76%212.50%
Linus Torvalds53.40%16.25%
Richard Henderson53.40%16.25%
Cesar Eduardo Barros42.72%16.25%
Al Viro42.72%212.50%
Greg Kroah-Hartman10.68%16.25%
Total147100.00%16100.00%
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