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= gun:cancel(3)
== Name
gun:cancel - Cancel the given stream
== Description
[source,erlang]
----
cancel(ConnPid, StreamRef) -> ok
ConnPid :: pid()
StreamRef :: gun:stream_ref()
----
Cancel the given stream.
The behavior of this function depends on the protocol
selected.
HTTP/1.1 does not support this feature. Gun will simply
silence the stream and stop relaying messages. Gun may
also decide to close the connection if the response body
is too large, to avoid wasting time and bandwidth.
HTTP/2 allows cancelling streams at any time.
This function is asynchronous. Messages related to this
stream may still be sent after the function returns.
== Arguments
ConnPid::
The pid of the Gun connection process.
StreamRef::
Identifier of the stream for the original request.
== Return value
The atom `ok` is returned.
== Changelog
* *1.0*: Function introduced.
== Examples
.Cancel a stream
[source,erlang]
----
gun:cancel(ConnPid, StreamRef).
----
== See also
link:man:gun(3)[gun(3)],
link:man:gun:get(3)[gun:get(3)],
link:man:gun:head(3)[gun:head(3)],
link:man:gun:options(3)[gun:options(3)],
link:man:gun:patch(3)[gun:patch(3)],
link:man:gun:post(3)[gun:post(3)],
link:man:gun:put(3)[gun:put(3)],
link:man:gun:delete(3)[gun:delete(3)],
link:man:gun:headers(3)[gun:headers(3)],
link:man:gun:request(3)[gun:request(3)],
link:man:gun:stream_info(3)[gun:stream_info(3)]
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