tools/perf/trace/beauty/include/uapi/linux/fcntl.h - linux - Git at Google

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

 #include <asm/fcntl.h>
 #include <linux/openat2.h>

 #define F_SETLEASE	(F_LINUX_SPECIFIC_BASE + 0)
 #define F_GETLEASE	(F_LINUX_SPECIFIC_BASE + 1)

 /*
  * Request nofications on a directory.
  * See below for events that may be notified.
  */
 #define F_NOTIFY	(F_LINUX_SPECIFIC_BASE + 2)

 #define F_DUPFD_QUERY	(F_LINUX_SPECIFIC_BASE + 3)

 /* Was the file just created? */
 #define F_CREATED_QUERY	(F_LINUX_SPECIFIC_BASE + 4)

 /*
  * Cancel a blocking posix lock; internal use only until we expose an
  * asynchronous lock api to userspace:
  */
 #define F_CANCELLK	(F_LINUX_SPECIFIC_BASE + 5)

 /* Create a file descriptor with FD_CLOEXEC set. */
 #define F_DUPFD_CLOEXEC	(F_LINUX_SPECIFIC_BASE + 6)

 /*
  * Set and get of pipe page size array
  */
 #define F_SETPIPE_SZ	(F_LINUX_SPECIFIC_BASE + 7)
 #define F_GETPIPE_SZ	(F_LINUX_SPECIFIC_BASE + 8)

 /*
  * Set/Get seals
  */
 #define F_ADD_SEALS	(F_LINUX_SPECIFIC_BASE + 9)
 #define F_GET_SEALS	(F_LINUX_SPECIFIC_BASE + 10)

 /*
  * Types of seals
  */
 #define F_SEAL_SEAL	0x0001	/* prevent further seals from being set */
 #define F_SEAL_SHRINK	0x0002	/* prevent file from shrinking */
 #define F_SEAL_GROW	0x0004	/* prevent file from growing */
 #define F_SEAL_WRITE	0x0008	/* prevent writes */
 #define F_SEAL_FUTURE_WRITE	0x0010  /* prevent future writes while mapped */
 #define F_SEAL_EXEC	0x0020  /* prevent chmod modifying exec bits */
 /* (1U << 31) is reserved for signed error codes */

 /*
  * Set/Get write life time hints. {GET,SET}_RW_HINT operate on the
  * underlying inode, while {GET,SET}_FILE_RW_HINT operate only on
  * the specific file.
  */
 #define F_GET_RW_HINT		(F_LINUX_SPECIFIC_BASE + 11)
 #define F_SET_RW_HINT		(F_LINUX_SPECIFIC_BASE + 12)
 #define F_GET_FILE_RW_HINT	(F_LINUX_SPECIFIC_BASE + 13)
 #define F_SET_FILE_RW_HINT	(F_LINUX_SPECIFIC_BASE + 14)

 /*
  * Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be
  * used to clear any hints previously set.
  */
 #define RWH_WRITE_LIFE_NOT_SET	0
 #define RWH_WRITE_LIFE_NONE	1
 #define RWH_WRITE_LIFE_SHORT	2
 #define RWH_WRITE_LIFE_MEDIUM	3
 #define RWH_WRITE_LIFE_LONG	4
 #define RWH_WRITE_LIFE_EXTREME	5

 /*
  * The originally introduced spelling is remained from the first
  * versions of the patch set that introduced the feature, see commit
  * v4.13-rc1~212^2~51.
  */
 #define RWF_WRITE_LIFE_NOT_SET	RWH_WRITE_LIFE_NOT_SET

 /*
  * Types of directory notifications that may be requested.
  */
 #define DN_ACCESS	0x00000001	/* File accessed */
 #define DN_MODIFY	0x00000002	/* File modified */
 #define DN_CREATE	0x00000004	/* File created */
 #define DN_DELETE	0x00000008	/* File removed */
 #define DN_RENAME	0x00000010	/* File renamed */
 #define DN_ATTRIB	0x00000020	/* File changed attibutes */
 #define DN_MULTISHOT	0x80000000	/* Don't remove notifier */

 #define AT_FDCWD		-100    /* Special value for dirfd used to
 					   indicate openat should use the
 					   current working directory. */


 /* Generic flags for the *at(2) family of syscalls. */

 /* Reserved for per-syscall flags	0xff. */
 #define AT_SYMLINK_NOFOLLOW		0x100   /* Do not follow symbolic
 						   links. */
 /* Reserved for per-syscall flags	0x200 */
 #define AT_SYMLINK_FOLLOW		0x400   /* Follow symbolic links. */
 #define AT_NO_AUTOMOUNT			0x800	/* Suppress terminal automount
 						   traversal. */
 #define AT_EMPTY_PATH			0x1000	/* Allow empty relative
 						   pathname to operate on dirfd
 						   directly. */
 /*
  * These flags are currently statx(2)-specific, but they could be made generic
  * in the future and so they should not be used for other per-syscall flags.
  */
 #define AT_STATX_SYNC_TYPE		0x6000	/* Type of synchronisation required from statx() */
 #define AT_STATX_SYNC_AS_STAT		0x0000	/* - Do whatever stat() does */
 #define AT_STATX_FORCE_SYNC		0x2000	/* - Force the attributes to be sync'd with the server */
 #define AT_STATX_DONT_SYNC		0x4000	/* - Don't sync attributes with the server */

 #define AT_RECURSIVE			0x8000	/* Apply to the entire subtree */

 /*
  * Per-syscall flags for the *at(2) family of syscalls.
  *
  * These are flags that are so syscall-specific that a user passing these flags
  * to the wrong syscall is so "clearly wrong" that we can safely call such
  * usage "undefined behaviour".
  *
  * For example, the constants AT_REMOVEDIR and AT_EACCESS have the same value.
  * AT_EACCESS is meaningful only to faccessat, while AT_REMOVEDIR is meaningful
  * only to unlinkat. The two functions do completely different things and
  * therefore, the flags can be allowed to overlap. For example, passing
  * AT_REMOVEDIR to faccessat would be undefined behavior and thus treating it
  * equivalent to AT_EACCESS is valid undefined behavior.
  *
  * Note for implementers: When picking a new per-syscall AT_* flag, try to
  * reuse already existing flags first. This leaves us with as many unused bits
  * as possible, so we can use them for generic bits in the future if necessary.
  */

 /* Flags for renameat2(2) (must match legacy RENAME_* flags). */
 #define AT_RENAME_NOREPLACE	0x0001
 #define AT_RENAME_EXCHANGE	0x0002
 #define AT_RENAME_WHITEOUT	0x0004

 /* Flag for faccessat(2). */
 #define AT_EACCESS		0x200	/* Test access permitted for
                                            effective IDs, not real IDs.  */
 /* Flag for unlinkat(2). */
 #define AT_REMOVEDIR		0x200   /* Remove directory instead of
                                            unlinking file.  */
 /* Flags for name_to_handle_at(2). */
 #define AT_HANDLE_FID		0x200	/* File handle is needed to compare
 					   object identity and may not be
 					   usable with open_by_handle_at(2). */
 #define AT_HANDLE_MNT_ID_UNIQUE	0x001	/* Return the u64 unique mount ID. */
 #define AT_HANDLE_CONNECTABLE	0x002	/* Request a connectable file handle */

 /* Flags for execveat2(2). */
 #define AT_EXECVE_CHECK		0x10000	/* Only perform a check if execution
 					   would be allowed. */

 #endif /* _UAPI_LINUX_FCNTL_H */
	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
	#ifndef _UAPI_LINUX_FCNTL_H
	#define _UAPI_LINUX_FCNTL_H

	#include <asm/fcntl.h>
	#include <linux/openat2.h>

	#define F_SETLEASE (F_LINUX_SPECIFIC_BASE + 0)
	#define F_GETLEASE (F_LINUX_SPECIFIC_BASE + 1)

	/*
	* Request nofications on a directory.
	* See below for events that may be notified.
	*/
	#define F_NOTIFY (F_LINUX_SPECIFIC_BASE + 2)

	#define F_DUPFD_QUERY (F_LINUX_SPECIFIC_BASE + 3)

	/* Was the file just created? */
	#define F_CREATED_QUERY (F_LINUX_SPECIFIC_BASE + 4)

	/*
	* Cancel a blocking posix lock; internal use only until we expose an
	* asynchronous lock api to userspace:
	*/
	#define F_CANCELLK (F_LINUX_SPECIFIC_BASE + 5)

	/* Create a file descriptor with FD_CLOEXEC set. */
	#define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6)

	/*
	* Set and get of pipe page size array
	*/
	#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
	#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)

	/*
	* Set/Get seals
	*/
	#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
	#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)

	/*
	* Types of seals
	*/
	#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
	#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
	#define F_SEAL_GROW 0x0004 /* prevent file from growing */
	#define F_SEAL_WRITE 0x0008 /* prevent writes */
	#define F_SEAL_FUTURE_WRITE 0x0010 /* prevent future writes while mapped */
	#define F_SEAL_EXEC 0x0020 /* prevent chmod modifying exec bits */
	/* (1U << 31) is reserved for signed error codes */

	/*
	* Set/Get write life time hints. {GET,SET}_RW_HINT operate on the
	* underlying inode, while {GET,SET}_FILE_RW_HINT operate only on
	* the specific file.
	*/
	#define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11)
	#define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12)
	#define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13)
	#define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14)

	/*
	* Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be
	* used to clear any hints previously set.
	*/
	#define RWH_WRITE_LIFE_NOT_SET 0
	#define RWH_WRITE_LIFE_NONE 1
	#define RWH_WRITE_LIFE_SHORT 2
	#define RWH_WRITE_LIFE_MEDIUM 3
	#define RWH_WRITE_LIFE_LONG 4
	#define RWH_WRITE_LIFE_EXTREME 5

	/*
	* The originally introduced spelling is remained from the first
	* versions of the patch set that introduced the feature, see commit
	* v4.13-rc1~212^2~51.
	*/
	#define RWF_WRITE_LIFE_NOT_SET RWH_WRITE_LIFE_NOT_SET

	/*
	* Types of directory notifications that may be requested.
	*/
	#define DN_ACCESS 0x00000001 /* File accessed */
	#define DN_MODIFY 0x00000002 /* File modified */
	#define DN_CREATE 0x00000004 /* File created */
	#define DN_DELETE 0x00000008 /* File removed */
	#define DN_RENAME 0x00000010 /* File renamed */
	#define DN_ATTRIB 0x00000020 /* File changed attibutes */
	#define DN_MULTISHOT 0x80000000 /* Don't remove notifier */

	#define AT_FDCWD -100 /* Special value for dirfd used to
	indicate openat should use the
	current working directory. */


	/* Generic flags for the at(2) family of syscalls. /

	/* Reserved for per-syscall flags 0xff. */
	#define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic
	links. */
	/* Reserved for per-syscall flags 0x200 */
	#define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
	#define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount
	traversal. */
	#define AT_EMPTY_PATH 0x1000 /* Allow empty relative
	pathname to operate on dirfd
	directly. */
	/*
	* These flags are currently statx(2)-specific, but they could be made generic
	* in the future and so they should not be used for other per-syscall flags.
	*/
	#define AT_STATX_SYNC_TYPE 0x6000 /* Type of synchronisation required from statx() */
	#define AT_STATX_SYNC_AS_STAT 0x0000 /* - Do whatever stat() does */
	#define AT_STATX_FORCE_SYNC 0x2000 /* - Force the attributes to be sync'd with the server */
	#define AT_STATX_DONT_SYNC 0x4000 /* - Don't sync attributes with the server */

	#define AT_RECURSIVE 0x8000 /* Apply to the entire subtree */

	/*
	* Per-syscall flags for the *at(2) family of syscalls.
	*
	* These are flags that are so syscall-specific that a user passing these flags
	* to the wrong syscall is so "clearly wrong" that we can safely call such
	* usage "undefined behaviour".
	*
	* For example, the constants AT_REMOVEDIR and AT_EACCESS have the same value.
	* AT_EACCESS is meaningful only to faccessat, while AT_REMOVEDIR is meaningful
	* only to unlinkat. The two functions do completely different things and
	* therefore, the flags can be allowed to overlap. For example, passing
	* AT_REMOVEDIR to faccessat would be undefined behavior and thus treating it
	* equivalent to AT_EACCESS is valid undefined behavior.
	*
	* Note for implementers: When picking a new per-syscall AT_* flag, try to
	* reuse already existing flags first. This leaves us with as many unused bits
	* as possible, so we can use them for generic bits in the future if necessary.
	*/

	/* Flags for renameat2(2) (must match legacy RENAME_* flags). */
	#define AT_RENAME_NOREPLACE 0x0001
	#define AT_RENAME_EXCHANGE 0x0002
	#define AT_RENAME_WHITEOUT 0x0004

	/* Flag for faccessat(2). */
	#define AT_EACCESS 0x200 /* Test access permitted for
	effective IDs, not real IDs. */
	/* Flag for unlinkat(2). */
	#define AT_REMOVEDIR 0x200 /* Remove directory instead of
	unlinking file. */
	/* Flags for name_to_handle_at(2). */
	#define AT_HANDLE_FID 0x200 /* File handle is needed to compare
	object identity and may not be
	usable with open_by_handle_at(2). */
	#define AT_HANDLE_MNT_ID_UNIQUE 0x001 /* Return the u64 unique mount ID. */
	#define AT_HANDLE_CONNECTABLE 0x002 /* Request a connectable file handle */

	/* Flags for execveat2(2). */
	#define AT_EXECVE_CHECK 0x10000 /* Only perform a check if execution
	would be allowed. */

	#endif /* _UAPI_LINUX_FCNTL_H */