mirror of https://github.com/octoleo/lsyncd.git
182 lines
5.6 KiB
C
182 lines
5.6 KiB
C
/*
|
|
* This header is used if <sys/inotify.h> cannot be found.
|
|
*
|
|
* Inode based directory notification for Linux
|
|
*
|
|
* Copyright (C) 2005 John McCutchan
|
|
*/
|
|
|
|
#ifndef _LINUX_INOTIFY_H
|
|
#define _LINUX_INOTIFY_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/syscall.h>
|
|
#include <unistd.h>
|
|
#include <asm/unistd.h>
|
|
|
|
/*
|
|
* 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, ..., relative to the wd.
|
|
*/
|
|
struct inotify_event {
|
|
int wd; /* watch descriptor */
|
|
uint32_t mask; /* watch mask */
|
|
uint32_t cookie; /* cookie to synchronize two events */
|
|
uint32_t len; /* length (including nulls) of name */
|
|
char name __flexarr; /* stub for possible name */
|
|
};
|
|
|
|
/* the following are legal, implemented events that user-space can watch for */
|
|
#define IN_ACCESS 0x00000001 /* File was accessed */
|
|
#define IN_MODIFY 0x00000002 /* File was modified */
|
|
#define IN_ATTRIB 0x00000004 /* Metadata changed */
|
|
#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed */
|
|
#define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed */
|
|
#define IN_OPEN 0x00000020 /* File was opened */
|
|
#define IN_MOVED_FROM 0x00000040 /* File was moved from X */
|
|
#define IN_MOVED_TO 0x00000080 /* File was moved to Y */
|
|
#define IN_CREATE 0x00000100 /* Subfile was created */
|
|
#define IN_DELETE 0x00000200 /* Subfile was deleted */
|
|
#define IN_DELETE_SELF 0x00000400 /* Self was deleted */
|
|
#define IN_MOVE_SELF 0x00000800 /* Self was moved */
|
|
|
|
/* the following are legal events. they are sent as needed to any watch */
|
|
#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted */
|
|
#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */
|
|
#define IN_IGNORED 0x00008000 /* File was ignored */
|
|
|
|
/* helper events */
|
|
#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* close */
|
|
#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */
|
|
|
|
/* special flags */
|
|
#define IN_ONLYDIR 0x01000000 /* only watch the path if it is a directory */
|
|
#define IN_DONT_FOLLOW 0x02000000 /* don't follow a sym link */
|
|
#define IN_MASK_ADD 0x20000000 /* add to the mask of an already existing watch */
|
|
#define IN_ISDIR 0x40000000 /* event occurred against dir */
|
|
#define IN_ONESHOT 0x80000000 /* only send event once */
|
|
|
|
/*
|
|
* All of the events - we build the list by hand so that we can add flags in
|
|
* the future and not break backward compatibility. Apps will get only the
|
|
* events that they originally wanted. Be sure to add new events here!
|
|
*/
|
|
#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
|
|
IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \
|
|
IN_MOVED_TO | IN_DELETE | IN_CREATE | IN_DELETE_SELF | \
|
|
IN_MOVE_SELF)
|
|
|
|
#if 0
|
|
#if defined (__alpha__)
|
|
# define __NR_inotify_init 444
|
|
# define __NR_inotify_add_watch 445
|
|
# define __NR_inotify_rm_watch 446
|
|
|
|
#elif defined (__arm__)
|
|
# define __NR_inotify_init (__NR_SYSCALL_BASE+316)
|
|
# define __NR_inotify_add_watch (__NR_SYSCALL_BASE+317)
|
|
# define __NR_inotify_rm_watch (__NR_SYSCALL_BASE+318)
|
|
|
|
#elif defined (__frv__)
|
|
# define __NR_inotify_init 291
|
|
# define __NR_inotify_add_watch 292
|
|
# define __NR_inotify_rm_watch 293
|
|
|
|
#elif defined(__i386__)
|
|
# define __NR_inotify_init 291
|
|
# define __NR_inotify_add_watch 292
|
|
# define __NR_inotify_rm_watch 293
|
|
|
|
#elif defined (__ia64__)
|
|
# define __NR_inotify_init 1277
|
|
# define __NR_inotify_add_watch 1278
|
|
# define __NR_inotify_rm_watch 1279
|
|
|
|
#elif defined (__mips__)
|
|
# if _MIPS_SIM == _MIPS_SIM_ABI32
|
|
# define __NR_inotify_init (__NR_Linux + 284)
|
|
# define __NR_inotify_add_watch (__NR_Linux + 285)
|
|
# define __NR_inotify_rm_watch (__NR_Linux + 286)
|
|
# endif
|
|
# if _MIPS_SIM == _MIPS_SIM_ABI64
|
|
# define __NR_inotify_init (__NR_Linux + 243)
|
|
# define __NR_inotify_add_watch (__NR_Linux + 243)
|
|
# define __NR_inotify_rm_watch (__NR_Linux + 243)
|
|
# endif
|
|
# if _MIPS_SIM == _MIPS_SIM_NABI32
|
|
# define __NR_inotify_init (__NR_Linux + 247)
|
|
# define __NR_inotify_add_watch (__NR_Linux + 248)
|
|
# define __NR_inotify_rm_watch (__NR_Linux + 249)
|
|
# endif
|
|
|
|
#elif defined(__parisc__)
|
|
# define __NR_inotify_init (__NR_Linux + 269)
|
|
# define __NR_inotify_add_watch (__NR_Linux + 270)
|
|
# define __NR_inotify_rm_watch (__NR_Linux + 271)
|
|
|
|
#elif defined(__powerpc__) || defined(__powerpc64__)
|
|
# define __NR_inotify_init 275
|
|
# define __NR_inotify_add_watch 276
|
|
# define __NR_inotify_rm_watch 277
|
|
|
|
#elif defined (__s390__)
|
|
# define __NR_inotify_init 284
|
|
# define __NR_inotify_add_watch 285
|
|
# define __NR_inotify_rm_watch 286
|
|
|
|
#elif defined (__sh__)
|
|
# define __NR_inotify_init 290
|
|
# define __NR_inotify_add_watch 291
|
|
# define __NR_inotify_rm_watch 292
|
|
|
|
#elif defined (__sh64__)
|
|
# define __NR_inotify_init 318
|
|
# define __NR_inotify_add_watch 319
|
|
# define __NR_inotify_rm_watch 320
|
|
|
|
#elif defined (__sparc__) || defined (__sparc64__)
|
|
# define __NR_inotify_init 151
|
|
# define __NR_inotify_add_watch 152
|
|
# define __NR_inotify_rm_watch 156
|
|
|
|
#elif defined(__x86_64__)
|
|
# define __NR_inotify_init 253
|
|
# define __NR_inotify_add_watch 254
|
|
# define __NR_inotify_rm_watch 255
|
|
|
|
#else
|
|
# error "Unsupported architecture!"
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef __NR_inotify_init
|
|
# error "Unsupported architecture!"
|
|
#endif
|
|
#ifndef __NR_inotify_add_watch
|
|
# error "Unsupported architecture!"
|
|
#endif
|
|
#ifndef __NR_inotify_rm_watch
|
|
# error "Unsupported architecture!"
|
|
#endif
|
|
|
|
|
|
static inline int inotify_init (void)
|
|
{
|
|
return syscall (__NR_inotify_init);
|
|
}
|
|
|
|
static inline int inotify_add_watch (int fd, const char *name, uint32_t mask)
|
|
{
|
|
return syscall (__NR_inotify_add_watch, fd, name, mask);
|
|
}
|
|
|
|
static inline int inotify_rm_watch (int fd, uint32_t wd)
|
|
{
|
|
return syscall (__NR_inotify_rm_watch, fd, wd);
|
|
}
|
|
|
|
|
|
#endif /* _LINUX_INOTIFY_H */
|