more so than previosly updated kernel packages
- From: Robert Love <rml novell com>
- To: dashboard-hackers gnome org
- Subject: more so than previosly updated kernel packages
- Date: Mon, 04 Oct 2004 17:04:11 -0400
Lo!
Updated inotify kernel packages are available with the freshest inotify
support to date. The version is 747.inotify.0.
UP:
http://primates.ximian.com/~rml/kernel-rml/nld-9-i586/kernel-default-2.6.5-747.inotify.0.i586.rpm
SMP:
http://primates.ximian.com/~rml/kernel-rml/nld-9-i586/kernel-smp-2.6.5-747.inotify.0.i586.rpm
Source:
http://primates.ximian.com/~rml/kernel-rml/nld-9-i586/kernel-source-2.6.5-747.inotify.0.i586.rpm
The bulk of the changes in this revision are bug fixes and optimization.
I still have a handful of feature changes outstanding, however. With
luck they will happen this week.
NOTE: THIS KERNEL BREAKS ABI OH-SO-SLIGHTLY !!!
I moved the variables in the user-visible inotify_event structure to
fixed-sized types, to ensure portability on systems where kernel- and
user-space have a different ABI (this is mainly an issue on systems with
a 64-bit kernel but a 32-bit user-space).
Nothing changed (e.g. "int" types are now "s32" types) except that mask
is now unsigned ("u32"). Please update any user-space code to match
this.
An updated inotify.h is attached.
Best,
Robert Love
/*
* Inode based directory notification for Linux
*
* Copyright (C) 2004 John McCutchan
*/
#ifndef _LINUX_INOTIFY_H
#define _LINUX_INOTIFY_H
#include <linux/types.h>
#include <linux/limits.h>
/* this size could limit things, since technically we could need PATH_MAX */
#define INOTIFY_FILENAME_MAX 256
/*
* struct inotify_event - structure read from the inotify device for each event
*
* When you are watching a directory, you will receive the filename for events
* such as IN_CREATE, IN_DELETE, IN_OPEN, IN_CLOSE, ...
*
* Note: When reading from the device you must provide a buffer that is a
* multiple of sizeof(struct inotify_event)
*/
struct inotify_event {
__s32 wd;
__u32 mask;
__u32 cookie;
char filename[INOTIFY_FILENAME_MAX];
};
/*
* struct inotify_watch_request - represents a watch request
*
* Pass to the inotify device via the INOTIFY_WATCH ioctl
*/
struct inotify_watch_request {
char *dirname; /* directory name */
__u32 mask; /* event mask */
};
/* the following are legal, implemented events */
#define IN_ACCESS 0x00000001 /* File was accessed */
#define IN_MODIFY 0x00000002 /* File was modified */
#define IN_ATTRIB 0x00000004 /* File changed attributes */
#define IN_CLOSE 0x00000008 /* File was closed */
#define IN_OPEN 0x00000010 /* File was opened */
#define IN_MOVED_FROM 0x00000020 /* File was moved from X */
#define IN_MOVED_TO 0x00000040 /* File was moved to Y */
#define IN_DELETE_SUBDIR 0x00000080 /* Subdir was deleted */
#define IN_DELETE_FILE 0x00000100 /* Subfile was deleted */
#define IN_CREATE_SUBDIR 0x00000200 /* Subdir was created */
#define IN_CREATE_FILE 0x00000400 /* Subfile was created */
#define IN_DELETE_SELF 0x00000800 /* Self was deleted */
#define IN_UNMOUNT 0x00001000 /* Backing fs was unmounted */
#define IN_Q_OVERFLOW 0x00002000 /* Event queued overflowed */
#define IN_IGNORED 0x00004000 /* File was ignored */
/* special flags */
#define IN_ALL_EVENTS 0xffffffff /* All the events */
#define INOTIFY_IOCTL_MAGIC 'Q'
#define INOTIFY_IOCTL_MAXNR 4
#define INOTIFY_WATCH _IOR(INOTIFY_IOCTL_MAGIC, 1, struct inotify_watch_request)
#define INOTIFY_IGNORE _IOR(INOTIFY_IOCTL_MAGIC, 2, int)
#define INOTIFY_STATS _IOR(INOTIFY_IOCTL_MAGIC, 3, int)
#define INOTIFY_SETDEBUG _IOR(INOTIFY_IOCTL_MAGIC, 4, int)
#define INOTIFY_DEBUG_NONE 0x00000000
#define INOTIFY_DEBUG_ALLOC 0x00000001
#define INOTIFY_DEBUG_EVENTS 0x00000002
#define INOTIFY_DEBUG_INODE 0x00000004
#define INOTIFY_DEBUG_ERRORS 0x00000008
#define INOTIFY_DEBUG_FILEN 0x00000010
#define INOTIFY_DEBUG_ALL 0xffffffff
#ifdef __KERNEL__
#include <linux/dcache.h>
#include <linux/fs.h>
#include <linux/config.h>
struct inotify_inode_data {
struct list_head watches;
__u32 watch_mask;
int watch_count;
};
#ifdef CONFIG_INOTIFY
extern void inotify_inode_queue_event(struct inode *, __u32, const char *);
extern void inotify_dentry_parent_queue_event(struct dentry *, __u32,
const char *);
extern void inotify_super_block_umount(struct super_block *);
extern void inotify_inode_is_dead(struct inode *);
#else
static inline void inotify_inode_queue_event(struct inode *inode,
__u32 mask,
const char *filename)
{
}
static inline void inotify_dentry_parent_queue_event(struct dentry *dentry,
__u32 mask,
const char *filename)
{
}
static inline void inotify_super_block_umount(struct super_block *sb)
{
}
static inline void inotify_inode_is_dead(struct inode *inode)
{
}
#endif /* CONFIG_INOTIFY */
#endif /* __KERNEL __ */
#endif /* _LINUX_INOTIFY_H */
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