Release Name: 0.90.1

Notes:
Rainbows! is an HTTP server for sleepy Rack applications.  It is based on
Unicorn, but designed to handle applications that expect long
request/response times and/or slow clients.  For Rack applications not
heavily bound by slow external network dependencies, consider Unicorn
instead as it simpler and easier to debug.

* http://rainbows.rubyforge.org/
* rainbows-talk@rubyforge.org
* git://git.bogomips.org/rainbows.git

Changes:

This release contains minor bugfixes/compatibility improvements
for ThreadSpawn, ThreadPool and EventMachine users.

Excessive error messages from spurious wakeups using
ThreadSpawn/ThreadPool under most platforms are silenced.  Only
Ruby 1.9 users under Linux were unaffected by this bug.

EventMachine users may now use EM::Deferrable objects in
responses, vastly improving compatibility with existing
async_sinatra apps.



Changes:
 Documentation/rainbows.1.txt      |   14 ++---
 GIT-VERSION-GEN                   |    2 +-
 TODO                              |    5 +-
 lib/rainbows.rb                   |   12 ++++
 lib/rainbows/const.rb             |    2 +-
 lib/rainbows/ev_core.rb           |    2 +
 lib/rainbows/event_machine.rb     |   17 ++++-
 lib/rainbows/thread_pool.rb       |    3 +-
 lib/rainbows/thread_spawn.rb      |    5 +-
 rainbows.gemspec                  |    3 +-
 t/async_examples/README           |    3 +
 t/async_examples/async_app.ru     |  126 +++++++++++++++++++++++++++++++++++++
 t/async_examples/async_tailer.ru  |  105 ++++++++++++++++++++++++++++++
 t/t0012-spurious-wakeups-quiet.sh |   41 ++++++++++++
 t/t0400-em-async-app.sh           |   57 +++++++++++++++++
 t/t0401-em-async-tailer.sh        |   74 ++++++++++++++++++++++
 16 files changed, 449 insertions(+), 22 deletions(-)

commit d541fd3ee9aa4ddbc3b4f8a14bbea43de19a31d9
Author: Eric Wong 
Date:   Wed Dec 30 02:17:17 2009 -0800

    Rainbows! 0.90.1
    
    This release contains minor bugfixes/compatibility improvements
    for ThreadSpawn, ThreadPool and EventMachine users.
    
    Excessive error messages from spurious wakeups using
    ThreadSpawn/ThreadPool under most platforms are silenced.  Only
    Ruby 1.9 users under Linux were unaffected by this bug.
    
    EventMachine users may now use EM::Deferrable objects in
    responses, vastly improving compatibility with existing
    async_sinatra apps.

commit c5a3c62647d8b45f83dba6306a80c8d3035cf3b3
Author: Eric Wong 
Date:   Wed Dec 30 01:54:50 2009 -0800

    update TODO
    
    EM::Deferrables done, NeverBlock updates...

commit 96fbc5e91017c4912169629abc7dbb56cda9082c
Author: Eric Wong 
Date:   Wed Dec 30 01:27:15 2009 -0800

    EventMachine: support deferrables in responses
    
    Some async apps rely on more than just "async.callback" and
    make full use of Deferrables provided by the EM::Deferrable
    module.  Thanks to James Tucker for bringing this to our
    attention.

commit 44a80df0c4c0d47fd2ac503396cb9accfe770f0a
Author: Eric Wong 
Date:   Tue Dec 29 21:18:02 2009 -0800

    gemspec: clamp down unicorn dependency to < 0.97.0
    
    We may be making some changes to Unicorn 0.97.0
    and allow us to share more code.

commit 31ee6b4daa1da9cd02e75b27924b2729345e999d
Author: Eric Wong 
Date:   Tue Dec 29 12:59:01 2009 -0800

    quiet spurious wakeups for accept() in Thread* models
    
    Under all MRI 1.8, a blocking Socket#accept Ruby method (needs
    to[1]) translate to a non-blocking accept(2) system call that may
    wake up threads/processes unnecessarily.  Unfortunately, we
    failed to trap and ignore EAGAIN in those cases.
    
    This issue did not affect Ruby 1.9 running under modern Linux
    kernels where a _blocking_ accept(2) system call is not (easily,
    at least) susceptible to spurious wakeups.  Non-Linux systems
    running Ruby 1.9 may be affected.
    
    [1] - using a blocking accept(2) on a shared socket with
          green threads is dangerous, as noted in
          commit ee7fe220ccbc991e1e7cbe982caf48e3303274c7
          (and commit 451ca6997b4f298b436605b7f0af75f369320425)

commit d5375f5c24abfae0173007f47bc9e83139d556b5
Author: Eric Wong 
Date:   Thu Dec 24 17:56:47 2009 -0800

    doc: update manpage since Unicorn got new features
    
    working_directory and Worker#user got added over time, so
    recommending Dir.chdir and Process::UID.change_privilege
    is bad.

commit 831e0b2f89c3ae93b71631fcc5fcf7109697de88
Author: Eric Wong 
Date:   Tue Dec 22 16:24:21 2009 -0800

    gemspec: loosen Unicorn dependency
    
    Unicorn 0.96.x should be released once Rack 1.1 is out.