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http://dev.sourcefabric.org/browse/LS-569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17980#action_17980
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David Baelde commented on LS-569:
---------------------------------
Likely culprit in src/tools/server.ml:
ignore
(Dtools.Init.at_stop
(fun () ->
(log#f 3 "Closing %s" socket_name;
Unix.close sock;
Unix.unlink socket_path)));
On shutdown, the UNIX socket is closed, but at this point duppy is still
listening on it. Easy solution: do not close the socket, like we do for the TCP
socket. It's not fully satisfying because the file would remain on the
filesystem... There's probably a better way. In any case closing has to be done
from within the duppy task.
The problem only happens with a UNIX socket and (for some reason, probably just
a race condition) a playlist.
> Frozen shutdown after that Duppy chokes on an invalid fd (presumably async
> task of a playlist())
> ------------------------------------------------------------------------------------------------
>
> Key: LS-569
> URL: http://dev.sourcefabric.org/browse/LS-569
> Project: Liquidsoap
> Issue Type: Bug
> Reporter: David Baelde
> Priority: Major
>
> Reproduce easily by setting up liquidsoap with one playlist, and a shutdown
> command (telnet or socket):
> $ liquidsoap 'set("server.socket",true) set("server.socket.path","/tmp/sock")
> set("server.socket.permissions",511) server.register("shutdown",fun(_)->begin
> shutdown(); "DONE" end) output.dummy(playlist("~/jazz"),fallible=true)'
> Then command "shutdown" and get:
> 2011/09/14 14:35:24 [main:3] Shutdown started!
> 2011/09/14 14:35:24 [main:3] Waiting for threads to terminate...
> 2011/09/14 14:35:24 [threads:1] Thread "non-blocking queue #1" aborts with
> exception Bad file descriptor in select()!
> 2011/09/14 14:35:24 [threads:3] Raised by primitive operation at file "",
> line 0, characters 0-0
> Thread 2 killed on uncaught exception Unix.Unix_error(3, "select", "")
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