Coro
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- fix deadlock bug in Coro::Channel (reported by Richard Hundt)
(also add testcase).
- support Broadcast option in Coro::Socket (patch by Richard Hundt,
apparently having loads of fun with that).
- implement $state->swap_defsv, ->swap_defav and document ->throw.
4.4 Wed Feb 13 16:44:29 CET 2008
- only assume .cfi pseudo isns exist on GNU/Linux.
- add get_timed method to Coro::Channels.
- fixed Coro::Debug manpage.
- perl 5.11 compatbility improvement based on patch by
Andreas König.
4.37 Sun Jan 20 11:25:23 CET 2008
- soften the check for an active parser for perl 5.10 (avoiding
"Coro::State::transfer called while parsing" in many cases).
4.36 Sun Jan 13 10:53:56 CET 2008
- reset diehook when terminating from an async_pool as to not
trigger any __DIE__ handlers.
4.35 Sun Jan 13 04:14:13 CET 2008
- "bt" debug command now displays any exceptions
from longmess and also skips the innermost
stackframes, giving more useufl output.
- allow backtraces in coroutines blocked in Coro::EV,
at a <1% speed hit.
- handle localising of $SIG{__WARN__} and __DIE__
properly (with a proper amount of dirty hacking).
4.34 Sat Dec 22 17:49:53 CET 2007
- upgrade to EV version 2.0 API.
4.33 Mon Dec 17 08:36:12 CET 2007
- make Coro::AIO etc. loadable in the absence of EV.
4.32 Mon Dec 17 07:46:02 CET 2007
- majorly improved Coro::Handle's performance with Coro::EV.
- implemented the until now mythical Coro::BDB module.
- specialcase EV in Coro::AIO and Coro::BDB for extra speed.
4.31 Wed Dec 5 12:32:39 CET 2007
- remove warn statement form Coro::Util.
4.3 Tue Dec 4 20:33:14 CET 2007
- calls to the idle function could cause stack corruption
when the stack changed.
- do no longer rely on the presence of EV::DNS if EV is used
(because it is gone), but instead take avdantage of EV::ADNS
if available.
- add ($) 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
- upgrade libcoro (which might set unwind info correctly).
- change default on linux to setjmp/longjmp.
3.61 Thu Apr 19 12:36:18 CEST 2007
- Coro::Storable caused an endless loop when thawing invalid
pst's sometimes.
- use a Semaphore in Coro::Storable, as Storable doesn't
seem to be reentrant (although it is documented to
be threadsafe...).
- fix Coro::Signal to bring back the original unreliable
but stateful semantics.
- fixed a lot of typos in Coro.pm (patch submitted by David
Steinbrunner, which applied flawlessly).
3.6 Sat Apr 14 17:13:31 CEST 2007
- added some bugfixes to get eg/myhttpd working again.
- added Coro::Storable for often-cede'ing freeze/thaw.
- try to do a clean exit when a coroutine calls exit
(EXPERIMENTAL).
- got rid of indirect call through _coro_init.
- updated the partly antique examples in eg/ to
work again and be a bit less magic, too.
- fixed Coro::Signal semantics to work as documented again.
3.55 Sun Mar 25 01:20:47 CET 2007
- add SAVE_DEFFH to save the default filehandle and enable
it by default.
- finally move socket-operations from Coro::Socket to Coro::Handle
to be able to unblock foreign sockets.
- add Coro::State::save_also and guarded_save.
- add count accessor to Coro::Semaphore.
- add Coro::State::cctx_stacksize.
- just for the fun of it, do not rely on implicit context,
which can dramatically improve performance, but people
using windows-process-emulation perls do not care much about
performance.
3.51 Sun Mar 4 14:18:04 CET 2007
- fixed a problem when you weakened references to Coro::State's
(patch by Yuval Kogman).
3.501 Wed Feb 28 12:44:07 CET 2007
- rename some global symbols as macosx from hell redefines
them without asking.
3.5 Tue Feb 13 20:22:53 CET 2007
- do AnyEvent model detection earlier, avoiding problems
caused by first using AnyEvent and later Coro::Event.
- implement and document Coro::Event event objects.
- fix a potential problem in Coro::Event causing crashes.
- initialise PL_comppad when creating a new coroutine,
avoids crashes on early coro destruction.
3.41 Mon Jan 22 19:19:49 CET 2007
- readline on Coro::Handle did not support undefined $/,
nor did it deliver partial lines on EOF or error.
- implement malloc fallback for stack allocation because
stupid broken idiotic OSX has a stupid broken
idiotic fits-the-whole-os mmap "implementation" and
my dick feels longer if Coro is portable even to
obsolete platforms.
3.4 Fri Jan 19 21:52:54 CET 2007
- remove t/09_timer.t, as it isn't really testing much
but was rather flaky in practise.
- async_pool coro would keep arguments and callback alive until
it was reused.
- cancellation of a coroutine could cause spurious idle calls
in cede_notself.
3.3 Sat Jan 6 03:45:00 CET 2007
- implement $coro->on_destroy.
- Coro::Event blocking semantics have been changed,
documented and - hopefully - improved.
- fix nice adding, not subtracting, from priority.
- fix ->prio and api_is_ready (patch by Mark Hinds).
- fixed an assert ("... == prev__cctx->idle_te")
that could errronously trigger.
- fix various large and small memleaks.
- use a (hopefully) more stable cancel implementation
that immediately frees the coroutine data.
- cede/cede_notself return a status now.
- added Coro::guard function.
- added a global coroutine pool for jobs (on my machine,
I can create and execute 48k simple coros/s with async,
and 128k coros with async_pool).
- Coro::AIO now uses the coroutine priority as io priority.
3.2 Fri Dec 22 05:07:09 CET 2006
- improve portability to slightly older perls.
- use cleaner coroutine destruction.
- simplify configuration for users.
- optionally (unrecommended) prefer perl functions over
their coro replacements.
3.11 Tue Dec 5 13:11:24 CET 2006
- fixed some bogus assert's, but as perl.h disables assert even
without NDEBUG (thank you very much), not too many people should
notice (that did include myself). Andreas König noticed, though :)
- do not save/restore PL_sortcxix on >= 5.9.x, it doesn't seem to have
it. Also noticed by Andreas König :)
- save/restore tainted status.
- verified to pass the testsuite on my 5.9.5.
3.1 Mon Dec 4 23:03:40 CET 2006
- INCOMPATIBLE CHANGE: $/ is now per-coroutine (but slow).
- incompatible change: transfer flags are now per-state.
- give a better error message on deadlock.
- document Coro::nready.
- enhanced testsuite.
3.01 Sun Dec 3 23:47:42 CET 2006
- forgot to include Coro::Timer.
3.0 Sun Dec 3 22:57:25 CET 2006
- the "FINALLY COMPLETELY STABLE" release (coming soon:
the "FAMOUS LAST WORDS" release).
- implement a new stack sharing algorithm, which uses a stack
pool (size currently hardcoded).
- make stack sharing mandatory (it no longer uses a heuristic).
- eval/die no longer cause weird problems under heavy use.
- Coro::Event could cause livelocks if it was used but
no Coro::Event watchers were used.
- Coro::Event now uses asynccheck as prepare does not
check for changed watchers.
- Coro::Event allows multiple waiting coros and will wake up one
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