<s>
In	O
a	O
computer	O
or	O
data	O
transmission	O
system	O
,	O
to	O
abort	B-General_Concept
means	O
to	O
terminate	O
,	O
usually	O
in	O
a	O
controlled	O
manner	O
,	O
a	O
processing	O
activity	O
because	O
it	O
is	O
impossible	O
or	O
undesirable	O
for	O
the	O
activity	O
to	O
proceed	O
or	O
in	O
conjunction	O
with	O
an	O
error	O
.	O
</s>
<s>
In	O
addition	O
to	O
being	O
a	O
verb	O
,	O
abort	B-General_Concept
also	O
has	O
two	O
noun	O
senses	O
.	O
</s>
<s>
In	O
the	O
most	O
general	O
case	O
,	O
the	O
event	O
of	O
aborting	O
can	O
be	O
referred	O
to	O
as	O
an	O
abort	B-General_Concept
.	O
</s>
<s>
Sometimes	O
the	O
event	O
of	O
aborting	O
can	O
be	O
given	O
a	O
special	O
name	O
,	O
as	O
in	O
the	O
case	O
of	O
an	O
abort	B-General_Concept
involving	O
a	O
Unix	B-Application
kernel	B-Operating_System
where	O
it	O
is	O
known	O
as	O
a	O
kernel	B-Operating_System
panic	I-Operating_System
.	O
</s>
<s>
Specifically	O
in	O
the	O
context	O
of	O
data	O
transmission	O
,	O
an	O
abort	B-General_Concept
is	O
a	O
function	O
invoked	O
by	O
a	O
sending	O
station	O
to	O
cause	O
the	O
recipient	O
to	O
discard	O
or	O
ignore	O
all	O
bit	O
sequences	O
transmitted	O
by	O
the	O
sender	O
since	O
the	O
preceding	O
flag	O
sequence	O
.	O
</s>
<s>
In	O
the	O
C	B-Language
programming	I-Language
language	I-Language
,	O
abort( )	O
is	O
a	O
standard	O
library	O
function	O
that	O
terminates	O
the	O
current	O
application	O
and	O
returns	O
an	O
error	O
code	O
to	O
the	O
host	O
environment	O
.	O
</s>
