[PATCH 0/3] more networking/daemon fixes

[Eric Wong <e@80x24.org>]

This series finally reinstates process limiting by queueing
processes instead of rejecting and falling back to dumb.
Falling back to dumb fails badly if we have to switch in
the middle of a pack negotiation.

I've tested it a bunch with aborted git clones of large
repositories with our own -httpd (using async) and fixed a few
longstanding bugs.  The generic PSGI code still needs work
to resume properly and to avoid leaking references.

Eric Wong (3):
      standardize timer-related event-loop code
      http: fix various race conditions
      git-http-backend: use qspawn to limit running processes

 lib/PublicInbox/EvCleanup.pm      | 41 ++++++++++++++++++++
 lib/PublicInbox/GitHTTPBackend.pm | 38 ++++++++-----------
 lib/PublicInbox/HTTP.pm           | 80 +++++++++++++++++++--------------------
 lib/PublicInbox/HTTPD/Async.pm    |  3 +-
 lib/PublicInbox/NNTP.pm           | 30 +++++++--------
 lib/PublicInbox/Qspawn.pm         | 52 +++++++++++++++++++++++++
 t/qspawn.t                        | 60 +++++++++++++++++++++++++++++
 7 files changed, 223 insertions(+), 81 deletions(-)