<s>
libuv	B-Language
is	O
a	O
multi-platform	B-Operating_System
C	B-Language
library	B-Library
that	O
provides	O
support	O
for	O
asynchronous	B-Architecture
I/O	I-Architecture
based	O
on	O
event	B-General_Concept
loops	I-General_Concept
.	O
</s>
<s>
It	O
supports	O
epoll(4 )	O
,	O
kqueue(2 )	O
,	O
Windows	O
IOCP	B-Library
,	O
and	O
Solaris	B-Application
event	O
ports	O
.	O
</s>
<s>
It	O
is	O
primarily	O
designed	O
for	O
use	O
in	O
Node.js	B-Language
but	O
it	O
is	O
also	O
used	O
by	O
other	O
software	O
projects	O
.	O
</s>
<s>
It	O
was	O
originally	O
an	O
abstraction	O
around	O
libev	O
or	O
Microsoft	O
IOCP	B-Library
,	O
as	O
libev	O
does	O
n't	O
support	O
IOCP	B-Library
on	O
Windows	O
.	O
</s>
<s>
In	O
node-v0.9.0	O
'	O
s	O
version	O
of	O
libuv	B-Language
,	O
the	O
dependency	O
on	O
libev	O
was	O
removed	O
.	O
</s>
<s>
According	O
to	O
libuv	B-Language
developer	O
Ben	O
Noordhuis	O
,	O
the	O
name	O
libuv	B-Language
originally	O
had	O
no	O
specific	O
meaning	O
,	O
but	O
as	O
people	O
kept	O
asking	O
about	O
it	O
,	O
so	O
they	O
made	O
something	O
up	O
.	O
</s>
<s>
They	O
came	O
up	O
with	O
Unicorn	B-Application
Velociraptor	B-Device
,	O
which	O
became	O
the	O
logo	O
of	O
the	O
library	B-Library
.	O
</s>
