--- IO-AIO/AIO.pm	2011/05/26 04:15:37	1.193
+++ IO-AIO/AIO.pm	2011/05/27 00:44:49	1.194
@@ -170,7 +170,7 @@
 use base 'Exporter';
 
 BEGIN {
-   our $VERSION = '3.8';
+   our $VERSION = '3.9';
 
    our @AIO_REQ = qw(aio_sendfile aio_read aio_write aio_open aio_close
                      aio_stat aio_lstat aio_unlink aio_rmdir aio_readdir aio_readdirx
@@ -370,6 +370,15 @@
       }
    };
 
+In addition to all the common open modes/flags (C<O_RDONLY>, C<O_WRONLY>,
+C<O_RDWR>, C<O_CREAT>, C<O_TRUNC>, C<O_EXCL> and C<O_APPEND>), the
+following POSIX and non-POSIX constants are available (missing ones on
+your system are, as usual, C<0>):
+
+C<O_ASYNC>, C<O_DIRECT>, C<O_NOATIME>, C<O_CLOEXEC>, C<O_NOCTTY>, C<O_NOFOLLOW>,
+C<O_NONBLOCK>, C<O_EXEC>, C<O_SEARCH>, C<O_DIRECTORY>, C<O_DSYNC>,
+C<O_RSYNC>, C<O_SYNC> and C<O_TTY_INIT>.
+
 
 =item aio_close $fh, $callback->($status)