#ifndef __BSD_INOTIFY_H__
#define __BSD_INOTIFY_H__
#include <stdint.h>
#ifndef __THROW
#ifdef __cplusplus
#define __THROW throw()
#else
#define __THROW
#endif
#endif
/*
* Libinotify-specific: Default size of communication socket buffer in bytes.
* This defines a recommended read(2) buffer size for libinotify event
* consumers. Lower values can cause partial event reads. Bigger values
* is just a wasting of memory.
* The value is arbitrary, has been acquired from code sample in linux
* inotify(7) man page and seems to be very common among the inotify clients.
*/
#define IN_SOCKBUFSIZE 0
#define IN_DEF_SOCKBUFSIZE 4096
/* linux`s /proc/sys/fs/inotify/max_queued_events counterpart */
#define IN_MAX_QUEUED_EVENTS 1
#define IN_DEF_MAX_QUEUED_EVENTS 16384
/* Flags for the parameter of inotify_init1. */
#define IN_CLOEXEC 02000000 /* Linux x86 O_CLOEXEC */
#define IN_NONBLOCK 00004000 /* Linux x86 O_NONBLOCK */
/* Structure describing an inotify event. */
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[]; /* Name. */
};
/* Supported events suitable for MASK parameter of INOTIFY_ADD_WATCH. */
#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_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */
#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_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */
#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. */
/* Additional events and flags. Some of these flags are unsupported,
but still should be present */
#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted. */
#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed. */
#define IN_IGNORED 0x00008000 /* File was ignored. */
#define IN_ONLYDIR 0x01000000 /* Only watch the path if it is a
directory. */
#define IN_DONT_FOLLOW 0x02000000 /* Do not follow a sym link. */
#define IN_EXCL_UNLINK 0x04000000 /* Exclude events on unlinked
objects. */
#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_MOVE_SELF | \
IN_MOVED_TO | IN_DELETE | IN_CREATE | IN_DELETE_SELF)
__BEGIN_DECLS
/* Create and initialize inotify-kqueue instance. */
int inotify_init (void) __THROW;
/* Create and initialize inotify-kqueue instance. */
int inotify_init1 (int flags) __THROW;
/* Add watch of object NAME to inotify-kqueue instance FD. Notify about
events specified by MASK. */
int inotify_add_watch (int fd, const char *name, uint32_t mask) __THROW;
/* Remove the watch specified by WD from the inotify instance FD. */
int inotify_rm_watch (int fd, int wd) __THROW;
/* Libinotify specific. Set inotify instance parameter. */
int inotify_set_param (int fd, int param, intptr_t value) __THROW;
__END_DECLS
#endif /* __BSD_INOTIFY_H__ */
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