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    • Yann Ylavic's avatar
      Merge r1802875 from trunk: · d688a489
      Yann Ylavic authored 
      event: Avoid possible blocking in the listener thread when shutting down
connections. PR 60956.

start_lingering_close_nonblocking() now puts connections in defer_linger_chain
which is emptied by any worker thread (all atomically) after its usual work,
hence any possibly blocking flush and lingering close run outside the listener.

The listener may create a dedicated worker if it fills defer_linger_chain or
while it's not empty, calling push2worker with a NULL cs.

The state machine in process_socket() is slighly modified to be able to enter
with CONN_STATE_LINGER directly w/o clogging_input_filters to interfer.

New abort_socket_nonblocking() allows to reset connections when nonblocking is
required and we can't do much about the connection anymore, nor we want the
system to linger on its own after close().

Many thanks to Stefan Priebe for his heavy testing on many event's changes!


Submitted by: ylavic
Reviewed by: ylavic, jim, icing


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1809299 13f79535-47bb-0310-9956-ffa450edef68
      d688a489
    • Stefan Eissing's avatar
      vote and promote · affc5624
      Stefan Eissing authored 
      git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1809278 13f79535-47bb-0310-9956-ffa450edef68
      affc5624
  25. Sep 21, 2017
  27. Sep 19, 2017