Coro

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4.32 Mon Dec 17 07:46:02 CET 2007
	- majorly improved Coro::Handle's performance with Coro::EV.
        - implemented the until now mythical Coro::BDB module.
        - specialcase EV in Coro::AIO and Coro::BDB for extra speed.

4.31 Wed Dec  5 12:32:39 CET 2007
	- remove warn statement form Coro::Util.

4.3  Tue Dec  4 20:33:14 CET 2007
	- calls to the idle function could cause stack corruption
          when the stack changed.
	- do no longer rely on the presence of EV::DNS if EV is used
          (because it is gone), but instead take avdantage of EV::ADNS
          if available.
        - add ($) prototypes to all functions in Coro::Storable.
        - use a conventional (safer) idle callback in Coro::EV.
        - do accept quickly in Coro::Debug to avoid endless loops.

4.22 Fri Nov 30 16:04:04 CET 2007
	- really use optimised versions for Event and EV in Coro::Util
          and Coro::Handle.

4.21 Sun Nov 25 10:48:59 CET 2007
	- fix a spurious memory read.
        - Coro::EV no longer keeps the eventloop "alive".

4.2  Fri Nov  9 20:47:05 CET 2007
	- enable/disable tracing from a new coroutine, not a pooled one.
        - fix a memleak in Coro::Event.
        - removed killall call from fork_eval.
        - made sure store_fd is already loaded so that fork_eval
          does not have to parse autoload in each subprocess.
        - only use assembly method if -O switch is in $Config{optimize}.
        - add (optional) Coro::EV module, so far the best event loop module
          directly supported by Coro.
        - if the event model is EV, use EV::DNS to resolve
          stuff in Coro::Util.
        - don't get confused by multiple event notifications in Coro::Handle.
        - initial support for EV (libevent interface).
        - require Event and EV using configure_requires, to force their existance.

4.13 Wed Oct 24 07:26:45 CEST 2007
	- add Coro::Storable::blocking_thaw.
        - use a vastly more complicated technique to localise
          $SIG{__WARN/DIE__} that also works on perls <= 5.8.8.
        - use a coroutine for the idle callback Coro::Event,
          instead of running Event in the current coroutine context.
          This also catches recursive invocations.
        - actually report fork errors in gethostbyname and inet_aton.

4.11 Thu Oct 11 02:40:24 CEST 2007
	- port to threaded perls.

4.1  Thu Oct 11 02:38:16 CEST 2007
	- incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now
          be local to each coro (see Coro::State).
        - incompatible change: for very deep reasons, cede and cede_notself
          cannot return anything, so nothing will be returned.
	- possibly bring back 5.10 compatibility (untested).
        - work around stupid (and wrong) warning on 5.10 :(.
	- overlay the saved state over the context stack. This saves
          a few hundred bytes per coroutine on average and also
          speeds up context switching a bit.
        - further tune default stack sizes.
        - (more) correctly calculate stack usage in coro_rss.
        - Coro::Storable::blocking_* did not properly lock
          resulting in races between coroutines.
        - added Coro::Storable::guard.
        - stopping to trace a coroutine could destroy the cctx of
          an unrelated coroutine.
        - explain the relationship between Perl and C coroutines in
          more detail in Coro::State.
        - Coro::Util::inet_aton did not short-circuit dotted quad forms,
          causing a fork per resolve. This also affected Coro::Socket.
        - switch to a separate stack in $coro->call/eval to avoid
          invalidating pointers.

4.03 Sat Oct  6 21:24:00 CEST 2007
	- added Coro::throw method.
	- minor code cleanups.

4.02 Sat Oct  6 02:36:47 CEST 2007
	- fix a very minor per-coroutine memleak (a single codereference).
	- fixed a bug where the currently in-use c context would be freed
          prematurely (can happen only when programs change the stacksize
          or use tracing).
        - tracing can no longer keep a coro alive after it terminated.
        - do static branch prediction in the common path for gcc. gives
          about 2-5% speed improvement here.

4.01 Fri Oct  5 22:10:49 CEST 2007
	- instead of recreating *a* standard output handle we simply
          use STDOUT, which is faster and hopefully more robust.

4.0  Fri Oct  5 12:56:00 CEST 2007
        - incompatibly changed Coro::Storable::freeze.
        - major new feature: added Coro::Debug, for interactive coroutine
          debugging, tracing and much more.
        - major bug fix: unbelievable, but true: $_, $/ and many other
          "saved" variables actually weren't being saved. This has been fixed,
          of course, while increasing performance while losing all the save
          flags.
        - save flags are gone, and all the api functions dealing with them.
	- added Coro::Semaphore::adjust.
        - added Coro::Util::fork_eval.
        - added Coro::Storable::{nfreeze,blocking_{freeze,nfreeze}}.
        - added Coro::killall.
        - reduce initial stack sizes to allow for "micro-coroutines".
        - better async_pool resource management, moved parts of async_pool
          handling to XS (major speed improvement).
        - actually croak before modifying important data structures.
        - refuse to transfer while compiling.
        - possibly support eval EXPR better now.
        - enable assembly per default on linux+bsd x86+amd64.
        - all internal members were renamed _something for easier subclassing.
        - many minor tweaks.

3.63 Wed May 16 14:10:06 CEST 2007
	- implement handcoded assembly for x86/amd64 SVR ABI.

3.62 Fri Apr 27 21:36:06 CEST 2007



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