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Comparing Coro/Changes (file contents):
Revision 1.407 by root, Thu Nov 13 17:32:01 2008 UTC vs.
Revision 1.661 by root, Sat Jun 25 19:22:33 2016 UTC

1Revision history for Perl extension Coro. 1Revision history for Perl extension Coro.
2 2
3TODO: should explore PerlIO::coroaio (perl leaks like hell). 3TODO: should explore PerlIO::coroaio (perl leaks like hell).
4TODO: maybe implement a default message channel, very much like Erlang's 4TODO: channel->maxsize(newsize)?
5 actor model (which is cool in a lot of important aspects (failures!), 5TODO: __GCC_HAVE_DWARF2_CFI_ASM
6 but very lacking in others (higher level ipc)). 6TODO: swap_sv, maybe add scope_swap_sv?
7TODO: croak when async_pool tries to run canceled thread?
8
9 - simplify and speed up __DIE__ and __WARN__ handling.
10
116.51 Sat Jun 25 20:57:20 CEST 2016
12 - 6.5 release didn't compile on most older perls due to
13 a logic error enabling experimental 5.24 code for all versions.
14 - since various broken or deficient patches float around
15 to work around the vtbl API breakage in perl, let's provide
16 our own workaround, which seems to be much less invasive
17 and more compatible than the approaches seen so far. YMMV.
18 - work around assertion failure in perl_destruct on 5.24
19 (analyzed by Dave Mitchell).
20
216.5 Wed Jun 22 22:23:50 CEST 2016
22 - swap_sv swapping order was not symmetrical, causing
23 wrong swaps when swap_sv was used multiple times on the
24 same sv in the same thread.
25 - swap_sv calls can now be undone by calling it again
26 with the same variables.
27 - swap_sv calls will now be undone in async_pool threads.
28 - split Coro::Semaphore::up/adjust into separate xs functions
29 for better error reporting, at slight codesize increase.
30 - (libcoro) arm assembly support, please test and report.
31 - adjust to PL_savestack changes in perl 5.24 (adapted from
32 the debian patch, which unfortunately gets it wrong).
33
346.49 Sat Oct 17 01:40:12 CEST 2015
35 - throwing an exception to a thread waiting in
36 Coro::Handle using Coro::EV did not stop the watchers,
37 causing the next call to fail (testcase by Martin Pritchard).
38 - bump minimum perl version to 5.10.
39
406.48 Sun Oct 4 19:03:51 CEST 2015
41 - fix memory leak when Coro::Handle uses Coro::EV internally
42 (testcase by Sten Sten).
43 - update code to libev 4 API (internally, Coro still used the
44 version 3 API calls).
45 - remove unused hv_sig.
46
476.47 Sat Jul 11 03:58:20 CEST 2015
48 - swap_svs - NVs can be in the SV head beginning with 5.20.
49
506.46 Tue Jun 30 14:36:30 CEST 2015
51 - restore portability to perls with windows fork emulation
52 (patch by Petr Písař).
53
546.45 Tue Jun 30 01:40:08 CEST 2015
55 - restore portability to perl 5.16 and below.
56
576.44 Tue Jun 30 00:41:54 CEST 2015
58 - avoid segfaulting (or worse) when tracing a canceled thread.
59 - the Event module silently broke it's public hook API, causing
60 failures on perls compiled with -Duselongdouble. Requiring
61 the latest version of Event because I don't know which release
62 changed this (it's not mentioned in the ChangeLog).
63 - allow xs level enterleave hooks via CoroAPI.
64
656.43 Thu Jun 4 15:38:14 CEST 2015
66 - use stability canary.
67 - port to stableperl-5.22.0-1.001.
68 - update libecb.
69
706.42 Wed Feb 11 20:29:52 CET 2015
71 - Coro::SemaphoreSet->try did not actually work (analyzed by
72 SATO Kentaro).
73 - upgrade libecb to be C11 compliant.
74
756.41 Sat Sep 6 22:08:46 CEST 2014
76 - restore portability to perl 5.8.x.
77 - give new Coro's a valid GvHV(PL_hintgv) - this is slow and takes
78 up some memory, but fixes "use feature" and similar modules
79 when used inside a Coro.
80 - allow zero as argument to Coro::Channel to mean the same thing
81 as no argument. this works with older versions as well,
82 but wasn't legal until now.
83 - slightly better c header file detection.
84
856.39 Mon Jun 2 00:00:08 CEST 2014
86 - work around more incompatible changes in 5.20.
87
886.38 Sun Jun 1 21:54:23 CEST 2014
89 - check that perl slots actually have enough space to hold
90 interpreter variables.
91 - untested port to perl 5.19 (64 bit tmps indices) (reported
92 by Andreas König).
93 - croak when cancel is called without a thread context.
94
956.37 Tue Mar 4 13:27:33 CET 2014
96 - *sigh*, removed leftover debugging code from debugging a
97 perl bug, of all things.
98
996.36 Tue Mar 4 07:11:59 CET 2014
100 - semaphores would not clear the destroy hook when interrupted
101 by ->throw, causing segfaults or worse.
102 - ->throw on a thread waiting for a semaphore did not acquire
103 the semaphore, but also didn't wake up other waiters,
104 possibly causing a deadlock.
105 - "FATAL: $Coro::IDLE blocked itself" will now use Carp::confess
106 to report a full stacktrace, which should help find out
107 where the actual call is.
108 - "atomically" destroy data in slf_destroy, because it is
109 the right thing to do, just in case.
110 - disable ecb.h libm dependency, to compile on ancient systems
111 or under adverse conditions.
112
1136.33 Mon Nov 18 11:26:27 CET 2013
114 - do not crash when freeing padlists with holes (in 5.18).
115 - tentative SVt_BIND 5.19 port/fix.
116
1176.32 Tue Nov 5 15:35:35 CET 2013
118 - use a new algorithm to derive padlists for perl 5.18. The old
119 one could lead to 0-pointer accesses inside perl (reported
120 by Darin McBride).
121
1226.31 Thu May 9 07:39:48 CEST 2013
123 - Coro::AIO requests would crash if the thread was ready'd
124 while the request was ongoing.
125
1266.29 Wed May 8 02:55:18 CEST 2013
127 - when an on_destroy handler destructs the coro currently being
128 destructed a perl scalar could be accessed after being freed,
129 likely causing a crash.
130
1316.28 Wed Mar 6 06:58:02 CET 2013
132 - clean remnants of existing __DIE__ and __WARN__ handlers so
133 they lose their magic and will not cause segfaults later
134 (testcase by Andrey Sagulin).
135 - improved Coro::State documentation a bit.
136 - Coro::Debug::command now flushes the output.
137 - add hack detection code for x32 abi, because the braindead slugs
138 who designed that made it look exactly like x86_64 without
139 providing proper compile time symbols to test for it. as a result,
140 this detection cannot work reliably.
141 - valgrind stack registering was broken.
142 - do not rely on Time::HiRes anymore in Coro::Debug.
143
1446.23 Fri Dec 7 23:36:37 CET 2012
145 - use experimental fiber implementation on native windows
146 perls.
147 - use sizeof (void *) as multiplication factor for stack sizes,
148 to accomodate the totally braindamaged microsoft 64 bit "os".
149 - changed verifier host from win2k-ap510-32 to win7-sp516-32/64.
150 activeperl 5.16 crashes when PerlIO_define_layer is called due
151 to some bug in the perl dll, strawberry perl at least passes
152 the testsuite.
153 - implement Coro::Handle->peeraddr/host/port, for slightly
154 improved compatibility with LWP.
155 - implement 5.17 compatibility by almost blindly applying a
156 good-looking patch by Father Chrysostomos.
157 - move stack management functions into libcoro 3.
158 - libcoro version 3 "released".
159 - support magic values as timed_io_once args.
160 - recommend AnyEvent 7+ or EV 4+, also require EV
161 version 4 or newer for Coro::EV.
162
1636.10 Tue Oct 9 01:14:27 CEST 2012
164 - updated ecb.h, it had a typo that caused it to not compile on many
165 big endian systems (reported by many people).
166 - disable memory fences in ecb.h to improve portability.
167
1686.09 Sat Oct 6 23:25:02 CEST 2012
169 - Coro::EV I/O watchers were not interruptible by exceptions
170 (Coro::State::throw) (testcase by sten).
171 - ->throw now puts threads into the ready queue, as this seems to
172 be expected by existing code, and code that doesn't cope with spurious
173 wakeups needs fixing anyway.
174 - use fd -1 in mmap.
175 - cast I32 to int in error message printf.
176 - warn about broken so-called "hardened" kernels.
177
1786.08 Fri Apr 13 12:05:47 CEST 2012
179 - be more aggressive about exiting like perl does - formerly,
180 exiting from the non-main thread would not execute END blocks.
181
1826.07 Fri Nov 11 21:21:48 CET 2011
183 - work around a bug in PerlIO (setting $SIG{__WARN__} to a PVCV).
184 - update ecb.h.
185
1866.06 Mon Aug 8 23:59:48 CEST 2011
187 - cygwin unfortunately patches the stack at runtime, so we use the pthreads
188 backend, which is an order of magnitude slower. unfortunately, cygwins
189 pthread implementation isn't very complete either, so allocate the stack
190 twice just to be sure.
191 (note: cygwin also enables mymalloc, which is NOT THREADSAFE ON WINDOWS,
192 in its ithreaded perl - best recompile cygwin and use the 'w'indows
193 backend for much better performance. also disable ithreads for
194 even better performance...).
195
1966.05 Thu Aug 4 21:36:36 CEST 2011
197 - blush, condvar values would not be propagated from send to recv anymore
198 (reported by Chip Salzenberg).
199 - use exponential increase for the readline buffer length in
200 Coro::Handle. also reduce initial allocation to 1020 from 4096 bytes.
201
2026.04 Wed Aug 3 17:15:45 CEST 2011
203 - use even more efficient and more compatible condvars for
204 compatibility to AnyEvent 6.x :)
205 - more inconsequential ecb.h updates.
206
2076.03 Wed Aug 3 11:41:30 CEST 2011
208 - change how Coro patches AnyEvent condvars for compatibility to
209 AnyEvent 6.x.
210 - update ecb.h, to no longer include <pthread.h> in case WinNT.h
211 hasn't been included.
212
2136.02 Wed Jul 13 04:35:19 CEST 2011
214 - "improve portability to Gentoo" - gentoo manages to put perl variables
215 in memory areas that are farther than 2gb apart, which the jit couldn't
216 handle and barfed. now it's just a bit slower on gentoo and similar
217 systems.
218
2196.01 Sun Jul 3 12:31:14 CEST 2011
220 - workarounds are good, but the test for whether pthreads are used
221 was not good. this one should be better.
222 - check differently whether gcc generates cfi instructions itself.
223
2246.0 Wed Jun 29 19:43:35 CEST 2011
225 - INCOMPATIBLE CHANGE: unreferenced coro objects will now be
226 destroyed and cleaned up automatically (e.g. async { schedule }).
227 - implement a JIT compiler for part of the thread switch code,
228 which gives a 50% speed improvement on threaded perls, and
229 about 4% on non-threaded perls (so threaded perls now finally
230 reach about half the speed of non-threaded perls).
231 - slightly modernise Coro::Intro, add section about rouse functions.
232 - avoid DEFSV and ERRSV, giving another 10% improvement
233 in thread switching.
234 - Coro::State->is_destroyed is now called is_zombie.
235 - implement a Coro->safe_cancel method that might fail, but
236 cancels in a "safer" way if it succeeds.
237 - add preliminary support for DEBUGGING perls.
238 - get rid of two hash-accesses when initialising a new Coro - this
239 speeds up coro creation by almost a factor of two.
240 - croak when a coro that is being cancelled tries to block
241 (e.g. while executing a guard block), instead of crashing or
242 deadlocking.
243 - use a more robust and also faster method to identify Coro::State
244 objects - speeds up everything a bit.
245 - implement Coro->cancel in XS for a 20% speed improvement, and to
246 be able to implement mutual cancellation.
247 - speed up context switches by a percent or two by more efficiently
248 allocating context stack entries.
249 - implement Coro->join and Coro->on_destroy in XS for a speedup and
250 a reduction in memory use.
251 - cancelling a coro while it itself is cancelling another coro is
252 now supported and working, instead of triggering an assertion.
253 - be a bit more crash-resistant when calling (buggy) on_destroy
254 callbacks (best effort).
255 - move on_destroy into the slf_frame, to allow extension slf
256 functions to have destructors.
257 - get rid if coro refcounting - simply crash in other interpreter
258 threads by nulling the pointers on clone.
259 - simplify warn/die hook handling when loading Coro - the convoluted
260 logic seems to be no longer neccessary.
261 - use libecb instead of our own home-grown gcc hacks.
262 - document alternatives to Coro::LWP. Please use them :)
263 - work around another mindless idiotic NEEDLESS bug in openbsd/mirbsds
264 sigaltstack. Really. wine suffers from it, erlang suffers from it,
265 and it's known since at least 2006.
266
2675.372 Wed Feb 23 06:14:30 CET 2011
268 - apparently mingw doesn't provide a working gettimeofday, try to
269 work around that by relying on Time::HiRes (indirectly brought to
270 my attention by Max Maischein).
271 - fix some portability issues when Time::HiRes was used.
272
2735.371 Mon Feb 21 14:36:08 CET 2011
274 - backport to windows process emulation code again.
275
2765.37 Sat Feb 19 07:49:44 CET 2011
277 - add a big "Coro thread life cycle" section to "man Coro".
278 - try a tentative workaround against the breakage that 5.13 has
279 introduced without depreciation period. sigh.
280 - no longer use Time::HiRes if gettimeofday is available, which
281 saves quite a lot of memory.
282
2835.36 Sun Feb 13 05:33:41 CET 2011
284 - automatically load Coro::Channel, Coro::RWLock, Coro::Semaphore,
285 Coro::SemaphoreSet, Coro::Signal and Coro::Specific on first "new"
286 method call.
287 - undocument Coro::Timer::sleep and obsolete whole module.
288 - optimise Coro::Timer::timeout memory and cpu usage.
289 - slightly updated Coro::Intro for recent changes.
290 - do not initialise PL_dirty anymore.
291
2925.25 Thu Nov 11 01:08:39 CET 2010
293 - try a different approach on netbsd - netbsd 5 finally has marginally
294 working pthreads, but still broken ucontext/sigaltstack.
295 - openbsd 4.8 finally got their act together, Coro works out of the box
296 with asm, setjmp and pthreads (no change, just informational).
297
2985.24 Sat Oct 23 11:27:12 CEST 2010
299 - port to the EV 4.0 API.
300 - work around bugs in mingw32, making strawberry perl work
301 out of the box.
302 - correctly modify Coro::AIO function prototypes
303 so that they reflect the "no optional parameters" rule.
304 - "ported" libcoro to C++.
305
3065.23 Mon May 17 18:50:42 CEST 2010
307 - be more resistant to ordering changes when initialising
308 Coro::AnyEvent, Coro::EV and Coro::Event (reported by Matthias
309 Waldorf).
310 - document that perl 5.12 deliberately removed support for cloning.
311
3125.22 Wed Apr 14 03:55:35 CEST 2010
313 - correctly return udnef on errors in Coro::Handle::read/write
314 (testcase by Marc Mims).
315 - convert Coro::Util into a "perl compatibility wrapper" - the functions
316 are less useful now, but are drop-in replacements for existing
317 functions, listing better alternatives in the documentation. This also
318 fixes a bug in Coro::LWP which naively substituted Socket::inet_aton
319 with Coro::Util::inet_aton.
320 - do not override $Coro::idle unconditionally in Coro.pm, as other
321 modules could have provided their own idle coro already
322 (for exmaple, Coro::AnyEvent).
323 - fix Coro::Util::gethost* functions.
324 - Coro::Timer corretcly exports it's symbols (reported by Hideki Yamamura).
325
3265.21 Wed Dec 16 07:19:51 CET 2009
327 - automatically load Coro::AnyEvent when AnyEvent and Coro are used
328 together.
329 - add some examples on how to combine other event loops with Coro in
330 Coro::AnyEvent, and how to run it (and not to block). Seems to be
331 the most common source of confusion.
332 - try to catch people naively blocking in an event callback.
333 - work around the perl filehandle bug issue in conjunction with
334 older common::sense (as indirectly pointed out by ZSystem).
335 - clarify the "not from signal handlers" section.
336
3375.2 Sun Oct 4 14:54:24 CEST 2009
338 - Coro::Storable destroyed the prototypes of the functions it wrapped.
339 - export rouse_cb and rouse_wait by default now.
340 - fix various prototype mismatches in Coro::AnyEvent and Coro::Handle.
341 - new method $state->swap_sv.
342 - added section on "windows process emulation" to the manpage,
343 after a not-so-fruitful (nor-friendly) "discussion" with chip
344 salzenberg (discussion implies arguments, but his only arguments
345 were ad-hominems, one wonders why he started it in the first
346 place). I hope this explains it well enough for him to understand,
347 and maybe well enough for others to understand.
348 - use common::sense everywhere now.
349 - idle callbacks are no longer supported, use idle coros instead.
350 - print a thread listing when a deadlock is detected.
351
3525.17 Sat Aug 22 23:09:31 CEST 2009
353 - work around a bug in the perl debugger causing crashes
354 when running under the debugger by marking _pool_handler as nodebug.
355 - speed up Coro::async considerably.
356 - try some hacks to get netbsd to work "more often" - their broken
357 setjmp/longjmp, ucontext *and* phtreads are really hard on Coro.
358 - convert Coro to AE 5.0 API.
359
3605.162 Tue Jul 28 04:04:03 CEST 2009
361 - perl 5.8.2 is now minimum requirement.
362 - skip t/19_handle.t on broken windows perls.
363
3645.161 Wed Jul 22 04:47:38 CEST 2009
365 - Coro::AnyEvent::poll could have a different prototype when EV was
366 used as backend (analyzed by Tatsuhiko Miyagawa).
367 - Coro::AnyEvent errornously initialised the event loop when loaded,
368 not on demand.
369 - try to workaround rare */t/01_unblock.t failures.
370
3715.16 Tue Jul 21 01:44:37 CEST 2009
372 - Coro::AnyEvent failed to hook into the event loop
373 when no threads had been readied between detecting
374 the event loop and actually running it.
375 - considerably speed up Coro::Select by taking avdantage
376 of AnyEvent > 4.8 and some other optimisations.
377 - implement paragraph readline mode in Coro::Handle
378 (based on patches by Zsbán Ambrus).
379 - replace WSAEINPROGRESS by WSAEWOULDBLOCK (reported
380 and analyzed by Yasuhiro MATSUMOTO).
381 - clarified libcoro license and copyright.
382 - someone stole my EXTRA_META!!!
383 - implement Coro::Select::patch_pp_sselect and it's brother,
384 for hardcode select overriding.
385
3865.151 Mon Jul 6 05:41:57 CEST 2009
387 - backport to windows process emulation code again (patch by
388 Yasuhiro MATSUMOTO).
389 - slightly update Coro::MakeMaker.
390
3915.15 Tue Jun 30 10:28:06 CEST 2009
392 - deprecate Coro::Socket, document how to get ipv6 support via
393 AnyEvent::Socket instead.
394 - implement signal->wait ($cb) interface, similar to semaphores.
395 - work around SvOK not supporting getmagic, so we have to getmagic
396 to test for undef :/ (reported by Matthias Waldorf).
397 - load Coro::AnyEvent in all modules using AnyEvent.
398 - work around perl corrupting our internal data structures,
399 reported by Tokuhiro Matsuno.
400 - enable per-coroutine real and cpu time gathering
401 (Coro::State::enable_times).
402
4035.14 Wed Jun 24 01:37:48 CEST 2009
404 - provide explicit functions to "cede" to the event loop in Coro::AnyEvent,
405 as this seems to have been a difficult concept (poll, sleep, idle,
406 idle_upto).
407 - add Coro::AnyEvent::readable/writable functions.
408 - clarify Coro::EV/Event/AnyEvent manpages.
409 - free per-thread global scalars in the thread calling ->cancel, to
410 avoid crashes when $_, $@ etc., are magical but some of those
411 had already been freed.
412 - "unexperimentalise" the callback interface for Coro::Semaphore.
413 - speed up ready queue management/context switching by using a linked
414 list instead of an array (~5-10%).
415 - implement "watch" command in Coro::Debug shells.
416 - for fun, implement time-slicing as an example in the manpage.
417 - if AnyEvent detects EV or Event, but we don't have Coro::EV or
418 Coro::Event, use the normal AnyEvent handling instead of dieing
419 (the same is true for Coro::Handle).
420 - properly document Coro::EV::timed_io_once.
421 - avoid unneccessary ->cancel calls in Coro::Handle.
422 - maybe make it work on mingw32 with win32 backend
423 (based on patch by Yasuhiro Matsumoto).
424
4255.132 Fri May 29 09:00:39 CEST 2009
426 - do not keep a reference to the argument itself in
427 Coro::Semaphore::guard, as it could change later.
428 - support SO_RCVBUF/SO_SNDBUF nonstandard Coro::Socket options,
429 should support a prepare callback.
430
4315.131 Mon Mar 16 23:20:37 CET 2009
432 - implement and document Coro->suspend, Coro->resume.
433 - fix Coro::Select implementation to not (often) close
434 the passed file descriptors (testcase provided by pippijn).
435
4365.13 Mon Dec 15 21:51:42 CET 2008
437 - EXPERIMENTAL: implement dynamic winds (on_enter/on_leave).
438 - don't set diehook to C<undef> but instead to NULL, to avoid
439 spurious warnings.
440 - fix a lot of bugs in Coro::SemaphoreSet.
441 - Coro::SemaphoreSet will less often create a semaphore needlessly.
442 - add Coro::SemaphoreSet::count and wait methods.
443 - take advantage of the new Guard module.
444 - deprecate Coro::guard.
445 - try to fix the dreaded 01_unblock tests once more. I hate it when
446 testsuites need more fixing than the code they are supposed to test.
447 - croak in more cases when a required callback isn't resolvable.
448 - fix some minor issues in Coro::State->call/eval.
449 - use current coroutine context instead of a temporary one
450 when temporarily switching to another coroutine.
451 - do not call C-level on_destroy handlers during global destruction,
452 to avoid needless segfaults.
453
4545.12 Sun Dec 7 13:30:38 CET 2008
455 - add default config for MirOS, which seems to be a bug-to-bug
456 compatible fork of openbsd ("world domination by releasing
457 openbsd cvs before the openbsd folks do it" or so :).
458 - free_padlist did destroy the names pad, not good, but didn't
459 seem to bother perl - this could fix issues such as eval ""
460 inside a function called from multiple coroutines.
461 - use a different method to detect destruction time.
462 - be more careful when freeing padlists just before global
463 destruction.
464 - fixed and expanded the call/cc example.
465 - renamed _terminate to _coro_run.
466 - new method Coro::Channel->shutdown.
467 - try pthreads on openbsd <4.4 (broken sigaltstack, will
468 pthreads fare better?).
469 - be less picky about destroying "a" running coroutine.
470
4715.11 Tue Nov 25 21:49:05 CET 2008
472 - DEBUGGING in 5.10.0 is a mess: it constantly flags perfectly
473 working code with failed assertions, introducing more bugs than
474 it fixes, requiring elaborate workarounds :(
475
4765.1 Mon Nov 24 08:54:59 CET 2008
477 - wrote a small introductory tutorial - Coro::Intro.
478 - convert Coro::Timer, Coro::Select and Coro::Util to rouse API.
479 - Coro::Select did errornously dup the file descriptors
480 and didn't work with all AnyEvent backends.
481 - Coro::Select wasn't imported correctly form Coro::LWP, causing blocking
482 LWP data transfers.
483 - disassociate c contexts from coro objects - this is agruably more
484 correct, but mostly allows sharing of cctxs between coro and state
485 objects, for added memory savings and speed increases.
486 - bumped $Coro::POOL_RSS up to 32kb by default.
487 - no longer set the optype to OP_CUSTOM, as B::* understandably
488 doesn't like this very much (and we *are* a type of entersub).
489 - implement state cloning, just to prove that call/cc can be done.
490 - automatically load Coro::AnyEvent in Coro::Handle.
491 - wrap ->cancel calls in eval inside Coro::Handle as EV watchers
492 do not have this method (and don't need it either).
493 - speed up generic anyevent methods in Coro::Handle by using rouse
494 callbacks.
495 - allow coroutines in $Coro::IDLE, speeding up Coro::AnyEvent and
496 others. It also makes the debugger happier, as you can trace
497 through the idle threads now.
498 - add comppad_name* and hints ($^H, %^H) to per-thread variables.
499 - eg/event was pretty broken.
500 - better 5.8.6 compatibility.
501
5025.0 Thu Nov 20 10:35:05 CET 2008
503 - NEW ARCHITECTURE: use the latest 4.x version if you experience
504 stability issues.
505 - bump API version to 7 - all dependents must be recompiled.
506 - removed timed_* functions - they were not being used anyways
507 and should be replaced by a more generic mechanism -
508 and were annoying to support anyways :)
509 - removed SemaphoreSet's waiter method - use sem method instead.
510 - Coro::Semaphore->adjust didn't correctly wake up enough waiters.
511 - async_pool did free a scalar value twice
512 ("Attempt to unreference...").
513 - fix a longstanding bug where calling terminate on a coro that
514 was waiting for a semaphore that was just becoming available
515 would cause a deadlock (semaphore would get into a state where
516 it was available but waiters were still blocked).
517 - calling throw on a coroutine that is waiting for a semaphore will
518 no longer make it acquire the semaphore (and thus leak a count).
519 - perl's process emulation is now not even theoretically supported
520 anymore.
521 - new functions Coro::rouse_cb and Coro::rouse_wait for easier
522 conversion of callback-style to blocking-style.
523 - new methods $coro->schedule_to and ->cede_to, to specifically
524 schedule or cede to a specific coroutine.
525 - new function Coro::Semaphore::wait.
526 - use named constants in Coro::Channel (Richard Hundt).
527 - directly patch the entersub opcode calling SLF functions (cede,
528 transfer and so on). this does speed up context switching, but
529 more importanly, it frees us from the hardcoded behaviour of
530 entersub, so we might actually be able to return something from
531 those functions and atcually create new ones.
532 - take advantage of __builtin_frame_address on gcc.
533 - expose THX in coroapi (not sure whether this was a wise decision,
534 as "threaded" perls are running at half speed anyways).
535 - implement execute_slf (schedule-like-function) interface that makes
536 it possible to implement schedule-like-functions in XS.
537 - use new SLF interface to massively speed up Coro::EV by roughly a
538 factor of two.
539 - used new SLF interface to massively speed up Coro::Semaphore by a
540 factor of three.
541 - used new SLF interface to speed up Coro::AIO by roughly a factor of
542 four and reduce its memory usage considerably.
543 - implement Coro::SemaphoreSet purely in terms of Coro::Semaphore,
544 for a nice speedup and vastly more correct behaviour. Also implement
545 a new method "sem" to get at the underlying semaphore object.
546 - implement Coro::Channel in terms of Coro::Semaphore, for a moderate
547 (in comparison) 20-40% speedup.
548 - used new SLF interface to reimplement Coro::Signal gaining
549 some unknown (because I was too lazy), but certain, speedup, and also
550 making signals reliable for the first time.
551 - used new SLF interface and other optimisations to speed up async_pool
552 by a factor of two. It also doesn't rely on perl's exception mechanism
553 to exit anymore. The overhead for terminating an async_pool, coro over
554 a normal async is now very small.
555 - sped up coroutine creation/destruction by 40%.
556 - forgot to include Coro/libcoro/README in the dist for all these years.
557 - work around a freebsd pthreads bug (manual testcancel is required as
558 pthread_cond_wait isn't a cancellation point on freebsd).
559 - use new rouse functions to speed up and simplify Coro::BDB.
560 - make "prefer perl native functions" work with threaded perls.
561 - condense Coro::Debug ps output, hint at v and w flags.
562 - (libcoro) lots of minor cleanups and portability improvements.
563
5644.914 Wed Nov 19 12:54:18 CET 2008
565 - fix a disastrous bug in the readline optimisation
566 introduced in 4.801.
567
5684.913 Sat Nov 15 07:58:28 CET 2008
569 - async_pool did free a scalar value twice
570 ("Attempt to unreference...").
7 571
84.912 Thu Nov 13 18:31:23 CET 2008 5724.912 Thu Nov 13 18:31:23 CET 2008
9 - minor cleanups. 573 - minor cleanups.
10 - use much larger stacks on linux and perl < 5.8.8. 574 - use much larger stacks on linux and perl < 5.8.8.
11 - Coro::Debug::new_unix_server did not unlink the socket 575 - Coro::Debug::new_unix_server did not unlink the socket
… …
24 - ->throw is now supported on Coro::State objects. 588 - ->throw is now supported on Coro::State objects.
25 - clean up cctx creation code a bit. 589 - clean up cctx creation code a bit.
26 - entersub is actually a UNOP, not a LOGOP (not a bugfix). 590 - entersub is actually a UNOP, not a LOGOP (not a bugfix).
27 591
284.9 Sat Nov 8 17:45:27 CET 2008 5924.9 Sat Nov 8 17:45:27 CET 2008
29 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there). 593 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there).
30 - (libcoro) no longer leak threads in the experimental pthread backend, 594 - (libcoro) no longer leak threads in the experimental pthread backend,
31 also speed it up considerably. 595 also speed it up considerably.
32 - (libcoro) do not rely on makecontext passing void *'s unscathed. 596 - (libcoro) do not rely on makecontext passing void *'s unscathed.
33 - fix compiletime dependencies on libcoro in the Makefile. 597 - fix compiletime dependencies on libcoro in the Makefile.
34 - cctx_count wasn't always updated properly. 598 - cctx_count wasn't always updated properly.
… …
96 - remove debugging code related to MgPV_nolen_const, also try to 660 - remove debugging code related to MgPV_nolen_const, also try to
97 make it compile with perl 5.8.6 (yes, apple apparently loves 661 make it compile with perl 5.8.6 (yes, apple apparently loves
98 outdated software). Reported by John S. 662 outdated software). Reported by John S.
99 663
1004.744 Tue Jul 8 22:06:35 CEST 2008 6644.744 Tue Jul 8 22:06:35 CEST 2008
101 - correctly provide default DIE/WARN handlers as documented. 665 - correctly provide default DIE/WARN handlers as documented.
102 - also overwrite PL_vtbl_sigelem.svt_clear, even though current 666 - also overwrite PL_vtbl_sigelem.svt_clear, even though current
103 implementations inside perl work fine for us. 667 implementations inside perl work fine for us.
104 668
1054.743 Mon Jun 16 00:21:57 CEST 2008 6694.743 Mon Jun 16 00:21:57 CEST 2008
106 - when using Coro::EV without running EV::loop it could 670 - when using Coro::EV without running EV::loop it could
… …
128 - sprinkle "no warnings" freely over everything, also suppress 692 - sprinkle "no warnings" freely over everything, also suppress
129 warnings for some other modules. 693 warnings for some other modules.
130 - fix typo in WSAEWOULDBLOCK. 694 - fix typo in WSAEWOULDBLOCK.
131 695
1324.72 Sun May 25 05:14:36 CEST 2008 6964.72 Sun May 25 05:14:36 CEST 2008
133 - tweak META.yaml a bit, unfortunately, there is no documented way 697 - tweak META.yaml a bit, unfortunately, there is no documented way
134 to have optional dependencies with CPAN. doh :( 698 to have optional dependencies with CPAN. doh :(
135 - avoid running some tests on windows because they would fail due to 699 - avoid running some tests on windows because they would fail due to
136 perl bug (broken fork, broken pipes...). 700 perl bug (broken fork, broken pipes...).
137 - work around perl on windows bugs where perl returns undocumented 701 - work around perl on windows bugs where perl returns undocumented
138 error codes for sysread, syswrite etc. by taking advantage 702 error codes for sysread, syswrite etc. by taking advantage
… …
142 - use unix domain sockets in testsuite to work around 706 - use unix domain sockets in testsuite to work around
143 common perl implementation bugs on widows (they are emulated by 707 common perl implementation bugs on widows (they are emulated by
144 tcp sockets on windows. ugh.) 708 tcp sockets on windows. ugh.)
145 709
1464.71 Sat May 24 20:01:27 CEST 2008 7104.71 Sat May 24 20:01:27 CEST 2008
147 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()"). 711 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()").
148 - take advantage of async name resolution of AnyEvent::Util. 712 - take advantage of async name resolution of AnyEvent::Util.
149 - work around brutal inet_aton override in Coro::LWP. 713 - work around brutal inet_aton override in Coro::LWP.
150 - take advantage of the readyhook in Coro::EV, for smoother 714 - take advantage of the readyhook in Coro::EV, for smoother
151 scheduling. 715 scheduling.
152 716
1534.7 Sun May 11 00:32:19 CEST 2008 7174.7 Sun May 11 00:32:19 CEST 2008
154 - completely reworked the Coro manpage. 718 - completely reworked the Coro manpage.
155 - added Coro::AnyEvent, generic event loop integration. 719 - added Coro::AnyEvent, generic event loop integration.
156 - implement cancel, ready and kill commands in Coro::Debug. 720 - implement cancel, ready and kill commands in Coro::Debug.
157 - document find_coro in Coro::Debug. 721 - document find_coro in Coro::Debug.
158 - incompatible change: rename has_stack to has_cctx. 722 - incompatible change: rename has_stack to has_cctx.
159 - Coro::AIO and Coro::BDB no longer force event model detection, 723 - Coro::AIO and Coro::BDB no longer force event model detection,
160 use AnyEvent::AIO and AnyEvent::BDB. 724 use AnyEvent::AIO and AnyEvent::BDB.
… …
284 848
2854.11 Thu Oct 11 02:40:24 CEST 2007 8494.11 Thu Oct 11 02:40:24 CEST 2007
286 - port to threaded perls. 850 - port to threaded perls.
287 851
2884.1 Thu Oct 11 02:38:16 CEST 2007 8524.1 Thu Oct 11 02:38:16 CEST 2007
289 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now 853 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now
290 be local to each coro (see Coro::State). 854 be local to each coro (see Coro::State).
291 - incompatible change: for very deep reasons, cede and cede_notself 855 - incompatible change: for very deep reasons, cede and cede_notself
292 cannot return anything, so nothing will be returned. 856 cannot return anything, so nothing will be returned.
293 - possibly bring back 5.10 compatibility (untested). 857 - possibly bring back 5.10 compatibility (untested).
294 - work around stupid (and wrong) warning on 5.10 :(. 858 - work around stupid (and wrong) warning on 5.10 :(.
… …
366 but stateful semantics. 930 but stateful semantics.
367 - fixed a lot of typos in Coro.pm (patch submitted by David 931 - fixed a lot of typos in Coro.pm (patch submitted by David
368 Steinbrunner, which applied flawlessly). 932 Steinbrunner, which applied flawlessly).
369 933
3703.6 Sat Apr 14 17:13:31 CEST 2007 9343.6 Sat Apr 14 17:13:31 CEST 2007
371 - added some bugfixes to get eg/myhttpd working again. 935 - added some bugfixes to get eg/myhttpd working again.
372 - added Coro::Storable for often-cede'ing freeze/thaw. 936 - added Coro::Storable for often-cede'ing freeze/thaw.
373 - try to do a clean exit when a coroutine calls exit 937 - try to do a clean exit when a coroutine calls exit
374 (EXPERIMENTAL). 938 (EXPERIMENTAL).
375 - got rid of indirect call through _coro_init. 939 - got rid of indirect call through _coro_init.
376 - updated the partly antique examples in eg/ to 940 - updated the partly antique examples in eg/ to

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