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Viewing / Editing File: fcntl.h

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#ifndef _LINUX_FCNTL_H
#define _LINUX_FCNTL_H

#include <asm/fcntl.h>

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

/*
 * 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)

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

/*
 * 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 */
/* (1U << 31) is reserved for signed error codes */

/*
 * 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 used to indicate
                                           openat should use the current
                                           working directory. */
#define AT_SYMLINK_NOFOLLOW	0x100   /* Do not follow symbolic links.  */
#define AT_REMOVEDIR		0x200   /* Remove directory instead of
                                           unlinking file.  */
#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 */


#endif /* _LINUX_FCNTL_H */
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