Table of contents :
 1. Introduction
 2. Details
 3. Usage
 4. Contacts
 5. About License


1.  Introduction
----------------
    Recursively monitor every subdirectories, dynamically add/remove monitors
    if specific events (IN_CREATE/IN_MOVED_TO/IN_DELETE/IN_MOVED_FROM)
    applied to corresponding subdirectories themselve.

2.  Details
-----------
    o A thread is created to filter specific directory events in a loop, 
      so watch descriptors can be added/removed dynamically
    o Organize all directory watchers as two hashtables and a tree

3.  Usage
---------
    #include "wrap-inotify.h"

    int init_watchers(const char *path, uint32_t mask, int64 size);

        path -> path you want to watch
        mask -> watch mask argument for inotify_add_watch()
        size -> initial hashtable size (approximate subdirectory amount)

	This function return a file descriptor which is readable if something
	detected

    void cleanup_watchers();

        This function cleanup everything.

4.  Contacts
------------
    Author's E-mail: i@lxd.me

5.  About License
-----------------
    sha1.c and sha1.h come from git project, licensed under GPLv2.
    Other code comes from fss project, licensed under GPLv3