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Add shutdown_reason Websocket command

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This allows changing the normal exit reason of Websocket
processes, providing a way to signal other processes of
why the exit occurred.
This commit is contained in:
Loïc Hoguin 2019-10-10 11:33:35 +02:00
parent cc54c207e3
commit d52e84bdd9
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5 changed files with 87 additions and 6 deletions
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6
doc/src/guide/migrating_from_2.6.asciidoc
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@ -81,6 +81,12 @@ Cowboy 2.7 requires Erlang/OTP 20.0 or greater.
is now considered stable and has been documented.
The old interface is now deprecated.
* A new Websocket handler command `shutdown_reason`
can be used to change the normal exit reason of
Websocket processes. By default `normal` is used;
with this command the exit reason can be changed
to `{shutdown, ShutdownReason}`.
* The experimental stream handlers `cowboy_metrics_h`
and `cowboy_tracer_h` are now considered stable and
have been documented.