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Comparing Coro/Changes (file contents):
Revision 1.414 by root, Sat Nov 15 00:37:38 2008 UTC vs.
Revision 1.664 by root, Fri Jul 14 02:43:50 2017 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?
7 8
85.0 9 - experimental 5.24 compatibility changes.
9 - NEW ARCHITECTURE: use 4.912 for the stable version. 10 - re-try JIT allocation without PROT_EXEC, to hopefully improve
11 portability.
12
136.511 Sun Jun 26 23:44:50 CEST 2016
14 - make it compile with threaded perls again.
15 - simplify and speed up __DIE__ and __WARN__ handling.
16
176.51 Sat Jun 25 20:57:20 CEST 2016
18 - 6.5 release didn't compile on most older perls due to
19 a logic error enabling experimental 5.24 code for all versions.
20 - since various broken or deficient patches float around
21 to work around the vtbl API breakage in perl, let's provide
22 our own workaround, which seems to be much less invasive
23 and more compatible than the approaches seen so far. YMMV.
24 - work around assertion failure in perl_destruct on 5.24
25 (analyzed by Dave Mitchell).
26
276.5 Wed Jun 22 22:23:50 CEST 2016
28 - swap_sv swapping order was not symmetrical, causing
29 wrong swaps when swap_sv was used multiple times on the
30 same sv in the same thread.
31 - swap_sv calls can now be undone by calling it again
32 with the same variables.
33 - swap_sv calls will now be undone in async_pool threads.
34 - split Coro::Semaphore::up/adjust into separate xs functions
35 for better error reporting, at slight codesize increase.
36 - (libcoro) arm assembly support, please test and report.
37 - adjust to PL_savestack changes in perl 5.24 (adapted from
38 the debian patch, which unfortunately gets it wrong).
39
406.49 Sat Oct 17 01:40:12 CEST 2015
41 - throwing an exception to a thread waiting in
42 Coro::Handle using Coro::EV did not stop the watchers,
43 causing the next call to fail (testcase by Martin Pritchard).
44 - bump minimum perl version to 5.10.
45
466.48 Sun Oct 4 19:03:51 CEST 2015
47 - fix memory leak when Coro::Handle uses Coro::EV internally
48 (testcase by Sten Sten).
49 - update code to libev 4 API (internally, Coro still used the
50 version 3 API calls).
51 - remove unused hv_sig.
52
536.47 Sat Jul 11 03:58:20 CEST 2015
54 - swap_svs - NVs can be in the SV head beginning with 5.20.
55
566.46 Tue Jun 30 14:36:30 CEST 2015
57 - restore portability to perls with windows fork emulation
58 (patch by Petr Písař).
59
606.45 Tue Jun 30 01:40:08 CEST 2015
61 - restore portability to perl 5.16 and below.
62
636.44 Tue Jun 30 00:41:54 CEST 2015
64 - avoid segfaulting (or worse) when tracing a canceled thread.
65 - the Event module silently broke it's public hook API, causing
66 failures on perls compiled with -Duselongdouble. Requiring
67 the latest version of Event because I don't know which release
68 changed this (it's not mentioned in the ChangeLog).
69 - allow xs level enterleave hooks via CoroAPI.
70
716.43 Thu Jun 4 15:38:14 CEST 2015
72 - use stability canary.
73 - port to stableperl-5.22.0-1.001.
74 - update libecb.
75
766.42 Wed Feb 11 20:29:52 CET 2015
77 - Coro::SemaphoreSet->try did not actually work (analyzed by
78 SATO Kentaro).
79 - upgrade libecb to be C11 compliant.
80
816.41 Sat Sep 6 22:08:46 CEST 2014
82 - restore portability to perl 5.8.x.
83 - give new Coro's a valid GvHV(PL_hintgv) - this is slow and takes
84 up some memory, but fixes "use feature" and similar modules
85 when used inside a Coro.
86 - allow zero as argument to Coro::Channel to mean the same thing
87 as no argument. this works with older versions as well,
88 but wasn't legal until now.
89 - slightly better c header file detection.
90
916.39 Mon Jun 2 00:00:08 CEST 2014
92 - work around more incompatible changes in 5.20.
93
946.38 Sun Jun 1 21:54:23 CEST 2014
95 - check that perl slots actually have enough space to hold
96 interpreter variables.
97 - untested port to perl 5.19 (64 bit tmps indices) (reported
98 by Andreas König).
99 - croak when cancel is called without a thread context.
100
1016.37 Tue Mar 4 13:27:33 CET 2014
102 - *sigh*, removed leftover debugging code from debugging a
103 perl bug, of all things.
104
1056.36 Tue Mar 4 07:11:59 CET 2014
106 - semaphores would not clear the destroy hook when interrupted
107 by ->throw, causing segfaults or worse.
108 - ->throw on a thread waiting for a semaphore did not acquire
109 the semaphore, but also didn't wake up other waiters,
110 possibly causing a deadlock.
111 - "FATAL: $Coro::IDLE blocked itself" will now use Carp::confess
112 to report a full stacktrace, which should help find out
113 where the actual call is.
114 - "atomically" destroy data in slf_destroy, because it is
115 the right thing to do, just in case.
116 - disable ecb.h libm dependency, to compile on ancient systems
117 or under adverse conditions.
118
1196.33 Mon Nov 18 11:26:27 CET 2013
120 - do not crash when freeing padlists with holes (in 5.18).
121 - tentative SVt_BIND 5.19 port/fix.
122
1236.32 Tue Nov 5 15:35:35 CET 2013
124 - use a new algorithm to derive padlists for perl 5.18. The old
125 one could lead to 0-pointer accesses inside perl (reported
126 by Darin McBride).
127
1286.31 Thu May 9 07:39:48 CEST 2013
129 - Coro::AIO requests would crash if the thread was ready'd
130 while the request was ongoing.
131
1326.29 Wed May 8 02:55:18 CEST 2013
133 - when an on_destroy handler destructs the coro currently being
134 destructed a perl scalar could be accessed after being freed,
135 likely causing a crash.
136
1376.28 Wed Mar 6 06:58:02 CET 2013
138 - clean remnants of existing __DIE__ and __WARN__ handlers so
139 they lose their magic and will not cause segfaults later
140 (testcase by Andrey Sagulin).
141 - improved Coro::State documentation a bit.
142 - Coro::Debug::command now flushes the output.
143 - add hack detection code for x32 abi, because the braindead slugs
144 who designed that made it look exactly like x86_64 without
145 providing proper compile time symbols to test for it. as a result,
146 this detection cannot work reliably.
147 - valgrind stack registering was broken.
148 - do not rely on Time::HiRes anymore in Coro::Debug.
149
1506.23 Fri Dec 7 23:36:37 CET 2012
151 - use experimental fiber implementation on native windows
152 perls.
153 - use sizeof (void *) as multiplication factor for stack sizes,
154 to accomodate the totally braindamaged microsoft 64 bit "os".
155 - changed verifier host from win2k-ap510-32 to win7-sp516-32/64.
156 activeperl 5.16 crashes when PerlIO_define_layer is called due
157 to some bug in the perl dll, strawberry perl at least passes
158 the testsuite.
159 - implement Coro::Handle->peeraddr/host/port, for slightly
160 improved compatibility with LWP.
161 - implement 5.17 compatibility by almost blindly applying a
162 good-looking patch by Father Chrysostomos.
163 - move stack management functions into libcoro 3.
164 - libcoro version 3 "released".
165 - support magic values as timed_io_once args.
166 - recommend AnyEvent 7+ or EV 4+, also require EV
167 version 4 or newer for Coro::EV.
168
1696.10 Tue Oct 9 01:14:27 CEST 2012
170 - updated ecb.h, it had a typo that caused it to not compile on many
171 big endian systems (reported by many people).
172 - disable memory fences in ecb.h to improve portability.
173
1746.09 Sat Oct 6 23:25:02 CEST 2012
175 - Coro::EV I/O watchers were not interruptible by exceptions
176 (Coro::State::throw) (testcase by sten).
177 - ->throw now puts threads into the ready queue, as this seems to
178 be expected by existing code, and code that doesn't cope with spurious
179 wakeups needs fixing anyway.
180 - use fd -1 in mmap.
181 - cast I32 to int in error message printf.
182 - warn about broken so-called "hardened" kernels.
183
1846.08 Fri Apr 13 12:05:47 CEST 2012
185 - be more aggressive about exiting like perl does - formerly,
186 exiting from the non-main thread would not execute END blocks.
187
1886.07 Fri Nov 11 21:21:48 CET 2011
189 - work around a bug in PerlIO (setting $SIG{__WARN__} to a PVCV).
190 - update ecb.h.
191
1926.06 Mon Aug 8 23:59:48 CEST 2011
193 - cygwin unfortunately patches the stack at runtime, so we use the pthreads
194 backend, which is an order of magnitude slower. unfortunately, cygwins
195 pthread implementation isn't very complete either, so allocate the stack
196 twice just to be sure.
197 (note: cygwin also enables mymalloc, which is NOT THREADSAFE ON WINDOWS,
198 in its ithreaded perl - best recompile cygwin and use the 'w'indows
199 backend for much better performance. also disable ithreads for
200 even better performance...).
201
2026.05 Thu Aug 4 21:36:36 CEST 2011
203 - blush, condvar values would not be propagated from send to recv anymore
204 (reported by Chip Salzenberg).
205 - use exponential increase for the readline buffer length in
206 Coro::Handle. also reduce initial allocation to 1020 from 4096 bytes.
207
2086.04 Wed Aug 3 17:15:45 CEST 2011
209 - use even more efficient and more compatible condvars for
210 compatibility to AnyEvent 6.x :)
211 - more inconsequential ecb.h updates.
212
2136.03 Wed Aug 3 11:41:30 CEST 2011
214 - change how Coro patches AnyEvent condvars for compatibility to
215 AnyEvent 6.x.
216 - update ecb.h, to no longer include <pthread.h> in case WinNT.h
217 hasn't been included.
218
2196.02 Wed Jul 13 04:35:19 CEST 2011
220 - "improve portability to Gentoo" - gentoo manages to put perl variables
221 in memory areas that are farther than 2gb apart, which the jit couldn't
222 handle and barfed. now it's just a bit slower on gentoo and similar
223 systems.
224
2256.01 Sun Jul 3 12:31:14 CEST 2011
226 - workarounds are good, but the test for whether pthreads are used
227 was not good. this one should be better.
228 - check differently whether gcc generates cfi instructions itself.
229
2306.0 Wed Jun 29 19:43:35 CEST 2011
231 - INCOMPATIBLE CHANGE: unreferenced coro objects will now be
232 destroyed and cleaned up automatically (e.g. async { schedule }).
233 - implement a JIT compiler for part of the thread switch code,
234 which gives a 50% speed improvement on threaded perls, and
235 about 4% on non-threaded perls (so threaded perls now finally
236 reach about half the speed of non-threaded perls).
237 - slightly modernise Coro::Intro, add section about rouse functions.
238 - avoid DEFSV and ERRSV, giving another 10% improvement
239 in thread switching.
240 - Coro::State->is_destroyed is now called is_zombie.
241 - implement a Coro->safe_cancel method that might fail, but
242 cancels in a "safer" way if it succeeds.
243 - add preliminary support for DEBUGGING perls.
244 - get rid of two hash-accesses when initialising a new Coro - this
245 speeds up coro creation by almost a factor of two.
246 - croak when a coro that is being cancelled tries to block
247 (e.g. while executing a guard block), instead of crashing or
248 deadlocking.
249 - use a more robust and also faster method to identify Coro::State
250 objects - speeds up everything a bit.
251 - implement Coro->cancel in XS for a 20% speed improvement, and to
252 be able to implement mutual cancellation.
253 - speed up context switches by a percent or two by more efficiently
254 allocating context stack entries.
255 - implement Coro->join and Coro->on_destroy in XS for a speedup and
256 a reduction in memory use.
257 - cancelling a coro while it itself is cancelling another coro is
258 now supported and working, instead of triggering an assertion.
259 - be a bit more crash-resistant when calling (buggy) on_destroy
260 callbacks (best effort).
261 - move on_destroy into the slf_frame, to allow extension slf
262 functions to have destructors.
263 - get rid if coro refcounting - simply crash in other interpreter
264 threads by nulling the pointers on clone.
265 - simplify warn/die hook handling when loading Coro - the convoluted
266 logic seems to be no longer neccessary.
267 - use libecb instead of our own home-grown gcc hacks.
268 - document alternatives to Coro::LWP. Please use them :)
269 - work around another mindless idiotic NEEDLESS bug in openbsd/mirbsds
270 sigaltstack. Really. wine suffers from it, erlang suffers from it,
271 and it's known since at least 2006.
272
2735.372 Wed Feb 23 06:14:30 CET 2011
274 - apparently mingw doesn't provide a working gettimeofday, try to
275 work around that by relying on Time::HiRes (indirectly brought to
276 my attention by Max Maischein).
277 - fix some portability issues when Time::HiRes was used.
278
2795.371 Mon Feb 21 14:36:08 CET 2011
280 - backport to windows process emulation code again.
281
2825.37 Sat Feb 19 07:49:44 CET 2011
283 - add a big "Coro thread life cycle" section to "man Coro".
284 - try a tentative workaround against the breakage that 5.13 has
285 introduced without depreciation period. sigh.
286 - no longer use Time::HiRes if gettimeofday is available, which
287 saves quite a lot of memory.
288
2895.36 Sun Feb 13 05:33:41 CET 2011
290 - automatically load Coro::Channel, Coro::RWLock, Coro::Semaphore,
291 Coro::SemaphoreSet, Coro::Signal and Coro::Specific on first "new"
292 method call.
293 - undocument Coro::Timer::sleep and obsolete whole module.
294 - optimise Coro::Timer::timeout memory and cpu usage.
295 - slightly updated Coro::Intro for recent changes.
296 - do not initialise PL_dirty anymore.
297
2985.25 Thu Nov 11 01:08:39 CET 2010
299 - try a different approach on netbsd - netbsd 5 finally has marginally
300 working pthreads, but still broken ucontext/sigaltstack.
301 - openbsd 4.8 finally got their act together, Coro works out of the box
302 with asm, setjmp and pthreads (no change, just informational).
303
3045.24 Sat Oct 23 11:27:12 CEST 2010
305 - port to the EV 4.0 API.
306 - work around bugs in mingw32, making strawberry perl work
307 out of the box.
308 - correctly modify Coro::AIO function prototypes
309 so that they reflect the "no optional parameters" rule.
310 - "ported" libcoro to C++.
311
3125.23 Mon May 17 18:50:42 CEST 2010
313 - be more resistant to ordering changes when initialising
314 Coro::AnyEvent, Coro::EV and Coro::Event (reported by Matthias
315 Waldorf).
316 - document that perl 5.12 deliberately removed support for cloning.
317
3185.22 Wed Apr 14 03:55:35 CEST 2010
319 - correctly return udnef on errors in Coro::Handle::read/write
320 (testcase by Marc Mims).
321 - convert Coro::Util into a "perl compatibility wrapper" - the functions
322 are less useful now, but are drop-in replacements for existing
323 functions, listing better alternatives in the documentation. This also
324 fixes a bug in Coro::LWP which naively substituted Socket::inet_aton
325 with Coro::Util::inet_aton.
326 - do not override $Coro::idle unconditionally in Coro.pm, as other
327 modules could have provided their own idle coro already
328 (for exmaple, Coro::AnyEvent).
329 - fix Coro::Util::gethost* functions.
330 - Coro::Timer corretcly exports it's symbols (reported by Hideki Yamamura).
331
3325.21 Wed Dec 16 07:19:51 CET 2009
333 - automatically load Coro::AnyEvent when AnyEvent and Coro are used
334 together.
335 - add some examples on how to combine other event loops with Coro in
336 Coro::AnyEvent, and how to run it (and not to block). Seems to be
337 the most common source of confusion.
338 - try to catch people naively blocking in an event callback.
339 - work around the perl filehandle bug issue in conjunction with
340 older common::sense (as indirectly pointed out by ZSystem).
341 - clarify the "not from signal handlers" section.
342
3435.2 Sun Oct 4 14:54:24 CEST 2009
344 - Coro::Storable destroyed the prototypes of the functions it wrapped.
345 - export rouse_cb and rouse_wait by default now.
346 - fix various prototype mismatches in Coro::AnyEvent and Coro::Handle.
347 - new method $state->swap_sv.
348 - added section on "windows process emulation" to the manpage,
349 after a not-so-fruitful (nor-friendly) "discussion" with chip
350 salzenberg (discussion implies arguments, but his only arguments
351 were ad-hominems, one wonders why he started it in the first
352 place). I hope this explains it well enough for him to understand,
353 and maybe well enough for others to understand.
354 - use common::sense everywhere now.
355 - idle callbacks are no longer supported, use idle coros instead.
356 - print a thread listing when a deadlock is detected.
357
3585.17 Sat Aug 22 23:09:31 CEST 2009
359 - work around a bug in the perl debugger causing crashes
360 when running under the debugger by marking _pool_handler as nodebug.
361 - speed up Coro::async considerably.
362 - try some hacks to get netbsd to work "more often" - their broken
363 setjmp/longjmp, ucontext *and* phtreads are really hard on Coro.
364 - convert Coro to AE 5.0 API.
365
3665.162 Tue Jul 28 04:04:03 CEST 2009
367 - perl 5.8.2 is now minimum requirement.
368 - skip t/19_handle.t on broken windows perls.
369
3705.161 Wed Jul 22 04:47:38 CEST 2009
371 - Coro::AnyEvent::poll could have a different prototype when EV was
372 used as backend (analyzed by Tatsuhiko Miyagawa).
373 - Coro::AnyEvent errornously initialised the event loop when loaded,
374 not on demand.
375 - try to workaround rare */t/01_unblock.t failures.
376
3775.16 Tue Jul 21 01:44:37 CEST 2009
378 - Coro::AnyEvent failed to hook into the event loop
379 when no threads had been readied between detecting
380 the event loop and actually running it.
381 - considerably speed up Coro::Select by taking avdantage
382 of AnyEvent > 4.8 and some other optimisations.
383 - implement paragraph readline mode in Coro::Handle
384 (based on patches by Zsbán Ambrus).
385 - replace WSAEINPROGRESS by WSAEWOULDBLOCK (reported
386 and analyzed by Yasuhiro MATSUMOTO).
387 - clarified libcoro license and copyright.
388 - someone stole my EXTRA_META!!!
389 - implement Coro::Select::patch_pp_sselect and it's brother,
390 for hardcode select overriding.
391
3925.151 Mon Jul 6 05:41:57 CEST 2009
393 - backport to windows process emulation code again (patch by
394 Yasuhiro MATSUMOTO).
395 - slightly update Coro::MakeMaker.
396
3975.15 Tue Jun 30 10:28:06 CEST 2009
398 - deprecate Coro::Socket, document how to get ipv6 support via
399 AnyEvent::Socket instead.
400 - implement signal->wait ($cb) interface, similar to semaphores.
401 - work around SvOK not supporting getmagic, so we have to getmagic
402 to test for undef :/ (reported by Matthias Waldorf).
403 - load Coro::AnyEvent in all modules using AnyEvent.
404 - work around perl corrupting our internal data structures,
405 reported by Tokuhiro Matsuno.
406 - enable per-coroutine real and cpu time gathering
407 (Coro::State::enable_times).
408
4095.14 Wed Jun 24 01:37:48 CEST 2009
410 - provide explicit functions to "cede" to the event loop in Coro::AnyEvent,
411 as this seems to have been a difficult concept (poll, sleep, idle,
412 idle_upto).
413 - add Coro::AnyEvent::readable/writable functions.
414 - clarify Coro::EV/Event/AnyEvent manpages.
415 - free per-thread global scalars in the thread calling ->cancel, to
416 avoid crashes when $_, $@ etc., are magical but some of those
417 had already been freed.
418 - "unexperimentalise" the callback interface for Coro::Semaphore.
419 - speed up ready queue management/context switching by using a linked
420 list instead of an array (~5-10%).
421 - implement "watch" command in Coro::Debug shells.
422 - for fun, implement time-slicing as an example in the manpage.
423 - if AnyEvent detects EV or Event, but we don't have Coro::EV or
424 Coro::Event, use the normal AnyEvent handling instead of dieing
425 (the same is true for Coro::Handle).
426 - properly document Coro::EV::timed_io_once.
427 - avoid unneccessary ->cancel calls in Coro::Handle.
428 - maybe make it work on mingw32 with win32 backend
429 (based on patch by Yasuhiro Matsumoto).
430
4315.132 Fri May 29 09:00:39 CEST 2009
432 - do not keep a reference to the argument itself in
433 Coro::Semaphore::guard, as it could change later.
434 - support SO_RCVBUF/SO_SNDBUF nonstandard Coro::Socket options,
435 should support a prepare callback.
436
4375.131 Mon Mar 16 23:20:37 CET 2009
438 - implement and document Coro->suspend, Coro->resume.
439 - fix Coro::Select implementation to not (often) close
440 the passed file descriptors (testcase provided by pippijn).
441
4425.13 Mon Dec 15 21:51:42 CET 2008
443 - EXPERIMENTAL: implement dynamic winds (on_enter/on_leave).
444 - don't set diehook to C<undef> but instead to NULL, to avoid
445 spurious warnings.
446 - fix a lot of bugs in Coro::SemaphoreSet.
447 - Coro::SemaphoreSet will less often create a semaphore needlessly.
448 - add Coro::SemaphoreSet::count and wait methods.
449 - take advantage of the new Guard module.
450 - deprecate Coro::guard.
451 - try to fix the dreaded 01_unblock tests once more. I hate it when
452 testsuites need more fixing than the code they are supposed to test.
453 - croak in more cases when a required callback isn't resolvable.
454 - fix some minor issues in Coro::State->call/eval.
455 - use current coroutine context instead of a temporary one
456 when temporarily switching to another coroutine.
457 - do not call C-level on_destroy handlers during global destruction,
458 to avoid needless segfaults.
459
4605.12 Sun Dec 7 13:30:38 CET 2008
461 - add default config for MirOS, which seems to be a bug-to-bug
462 compatible fork of openbsd ("world domination by releasing
463 openbsd cvs before the openbsd folks do it" or so :).
464 - free_padlist did destroy the names pad, not good, but didn't
465 seem to bother perl - this could fix issues such as eval ""
466 inside a function called from multiple coroutines.
467 - use a different method to detect destruction time.
468 - be more careful when freeing padlists just before global
469 destruction.
470 - fixed and expanded the call/cc example.
471 - renamed _terminate to _coro_run.
472 - new method Coro::Channel->shutdown.
473 - try pthreads on openbsd <4.4 (broken sigaltstack, will
474 pthreads fare better?).
475 - be less picky about destroying "a" running coroutine.
476
4775.11 Tue Nov 25 21:49:05 CET 2008
478 - DEBUGGING in 5.10.0 is a mess: it constantly flags perfectly
479 working code with failed assertions, introducing more bugs than
480 it fixes, requiring elaborate workarounds :(
481
4825.1 Mon Nov 24 08:54:59 CET 2008
483 - wrote a small introductory tutorial - Coro::Intro.
484 - convert Coro::Timer, Coro::Select and Coro::Util to rouse API.
485 - Coro::Select did errornously dup the file descriptors
486 and didn't work with all AnyEvent backends.
487 - Coro::Select wasn't imported correctly form Coro::LWP, causing blocking
488 LWP data transfers.
489 - disassociate c contexts from coro objects - this is agruably more
490 correct, but mostly allows sharing of cctxs between coro and state
491 objects, for added memory savings and speed increases.
492 - bumped $Coro::POOL_RSS up to 32kb by default.
493 - no longer set the optype to OP_CUSTOM, as B::* understandably
494 doesn't like this very much (and we *are* a type of entersub).
495 - implement state cloning, just to prove that call/cc can be done.
496 - automatically load Coro::AnyEvent in Coro::Handle.
497 - wrap ->cancel calls in eval inside Coro::Handle as EV watchers
498 do not have this method (and don't need it either).
499 - speed up generic anyevent methods in Coro::Handle by using rouse
500 callbacks.
501 - allow coroutines in $Coro::IDLE, speeding up Coro::AnyEvent and
502 others. It also makes the debugger happier, as you can trace
503 through the idle threads now.
504 - add comppad_name* and hints ($^H, %^H) to per-thread variables.
505 - eg/event was pretty broken.
506 - better 5.8.6 compatibility.
507
5085.0 Thu Nov 20 10:35:05 CET 2008
509 - NEW ARCHITECTURE: use the latest 4.x version if you experience
510 stability issues.
10 - bump API version to 7 - all dependents must be recompiled. 511 - bump API version to 7 - all dependents must be recompiled.
512 - removed timed_* functions - they were not being used anyways
513 and should be replaced by a more generic mechanism -
514 and were annoying to support anyways :)
515 - removed SemaphoreSet's waiter method - use sem method instead.
516 - Coro::Semaphore->adjust didn't correctly wake up enough waiters.
517 - async_pool did free a scalar value twice
518 ("Attempt to unreference...").
519 - fix a longstanding bug where calling terminate on a coro that
520 was waiting for a semaphore that was just becoming available
521 would cause a deadlock (semaphore would get into a state where
522 it was available but waiters were still blocked).
523 - calling throw on a coroutine that is waiting for a semaphore will
524 no longer make it acquire the semaphore (and thus leak a count).
11 - perl's process emulation is now not even theoretically supported 525 - perl's process emulation is now not even theoretically supported
12 anymore. 526 anymore.
527 - new functions Coro::rouse_cb and Coro::rouse_wait for easier
528 conversion of callback-style to blocking-style.
529 - new methods $coro->schedule_to and ->cede_to, to specifically
530 schedule or cede to a specific coroutine.
531 - new function Coro::Semaphore::wait.
532 - use named constants in Coro::Channel (Richard Hundt).
13 - directly patch the entersub opcode calling SLF functions (cede, 533 - directly patch the entersub opcode calling SLF functions (cede,
14 transfer and so on). this does speed up context switching, but 534 transfer and so on). this does speed up context switching, but
15 more importanly, it frees us from the hardcoded behaviour of 535 more importanly, it frees us from the hardcoded behaviour of
16 entersub, so we might actually be able to return something from 536 entersub, so we might actually be able to return something from
17 those functions and atcually create new ones. 537 those functions and atcually create new ones.
18 - take advantage of __builtin_frame_address on gcc. 538 - take advantage of __builtin_frame_address on gcc.
19 - expose THX in coroapi (not sure whether this was a wise decision, 539 - expose THX in coroapi (not sure whether this was a wise decision,
20 as "threaded" perls are running at half speed anyways). 540 as "threaded" perls are running at half speed anyways).
21 - implement execute_slf (schedule-like-function) interface that makes 541 - implement execute_slf (schedule-like-function) interface that makes
22 it possible to implement schedule-like-functions in XS. 542 it possible to implement schedule-like-functions in XS.
23 - use new SLF interface to massively speed up Coro::EV (it's roughly 543 - use new SLF interface to massively speed up Coro::EV by roughly a
24 twice as fast now). 544 factor of two.
545 - used new SLF interface to massively speed up Coro::Semaphore by a
546 factor of three.
547 - used new SLF interface to speed up Coro::AIO by roughly a factor of
548 four and reduce its memory usage considerably.
549 - implement Coro::SemaphoreSet purely in terms of Coro::Semaphore,
550 for a nice speedup and vastly more correct behaviour. Also implement
551 a new method "sem" to get at the underlying semaphore object.
552 - implement Coro::Channel in terms of Coro::Semaphore, for a moderate
553 (in comparison) 20-40% speedup.
554 - used new SLF interface to reimplement Coro::Signal gaining
555 some unknown (because I was too lazy), but certain, speedup, and also
556 making signals reliable for the first time.
557 - used new SLF interface and other optimisations to speed up async_pool
558 by a factor of two. It also doesn't rely on perl's exception mechanism
559 to exit anymore. The overhead for terminating an async_pool, coro over
560 a normal async is now very small.
561 - sped up coroutine creation/destruction by 40%.
562 - forgot to include Coro/libcoro/README in the dist for all these years.
563 - work around a freebsd pthreads bug (manual testcancel is required as
564 pthread_cond_wait isn't a cancellation point on freebsd).
565 - use new rouse functions to speed up and simplify Coro::BDB.
566 - make "prefer perl native functions" work with threaded perls.
567 - condense Coro::Debug ps output, hint at v and w flags.
568 - (libcoro) lots of minor cleanups and portability improvements.
569
5704.914 Wed Nov 19 12:54:18 CET 2008
571 - fix a disastrous bug in the readline optimisation
572 introduced in 4.801.
573
5744.913 Sat Nov 15 07:58:28 CET 2008
575 - async_pool did free a scalar value twice
576 ("Attempt to unreference...").
25 577
264.912 Thu Nov 13 18:31:23 CET 2008 5784.912 Thu Nov 13 18:31:23 CET 2008
27 - minor cleanups. 579 - minor cleanups.
28 - use much larger stacks on linux and perl < 5.8.8. 580 - use much larger stacks on linux and perl < 5.8.8.
29 - Coro::Debug::new_unix_server did not unlink the socket 581 - Coro::Debug::new_unix_server did not unlink the socket
… …
42 - ->throw is now supported on Coro::State objects. 594 - ->throw is now supported on Coro::State objects.
43 - clean up cctx creation code a bit. 595 - clean up cctx creation code a bit.
44 - entersub is actually a UNOP, not a LOGOP (not a bugfix). 596 - entersub is actually a UNOP, not a LOGOP (not a bugfix).
45 597
464.9 Sat Nov 8 17:45:27 CET 2008 5984.9 Sat Nov 8 17:45:27 CET 2008
47 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there). 599 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there).
48 - (libcoro) no longer leak threads in the experimental pthread backend, 600 - (libcoro) no longer leak threads in the experimental pthread backend,
49 also speed it up considerably. 601 also speed it up considerably.
50 - (libcoro) do not rely on makecontext passing void *'s unscathed. 602 - (libcoro) do not rely on makecontext passing void *'s unscathed.
51 - fix compiletime dependencies on libcoro in the Makefile. 603 - fix compiletime dependencies on libcoro in the Makefile.
52 - cctx_count wasn't always updated properly. 604 - cctx_count wasn't always updated properly.
… …
114 - remove debugging code related to MgPV_nolen_const, also try to 666 - remove debugging code related to MgPV_nolen_const, also try to
115 make it compile with perl 5.8.6 (yes, apple apparently loves 667 make it compile with perl 5.8.6 (yes, apple apparently loves
116 outdated software). Reported by John S. 668 outdated software). Reported by John S.
117 669
1184.744 Tue Jul 8 22:06:35 CEST 2008 6704.744 Tue Jul 8 22:06:35 CEST 2008
119 - correctly provide default DIE/WARN handlers as documented. 671 - correctly provide default DIE/WARN handlers as documented.
120 - also overwrite PL_vtbl_sigelem.svt_clear, even though current 672 - also overwrite PL_vtbl_sigelem.svt_clear, even though current
121 implementations inside perl work fine for us. 673 implementations inside perl work fine for us.
122 674
1234.743 Mon Jun 16 00:21:57 CEST 2008 6754.743 Mon Jun 16 00:21:57 CEST 2008
124 - when using Coro::EV without running EV::loop it could 676 - when using Coro::EV without running EV::loop it could
… …
146 - sprinkle "no warnings" freely over everything, also suppress 698 - sprinkle "no warnings" freely over everything, also suppress
147 warnings for some other modules. 699 warnings for some other modules.
148 - fix typo in WSAEWOULDBLOCK. 700 - fix typo in WSAEWOULDBLOCK.
149 701
1504.72 Sun May 25 05:14:36 CEST 2008 7024.72 Sun May 25 05:14:36 CEST 2008
151 - tweak META.yaml a bit, unfortunately, there is no documented way 703 - tweak META.yaml a bit, unfortunately, there is no documented way
152 to have optional dependencies with CPAN. doh :( 704 to have optional dependencies with CPAN. doh :(
153 - avoid running some tests on windows because they would fail due to 705 - avoid running some tests on windows because they would fail due to
154 perl bug (broken fork, broken pipes...). 706 perl bug (broken fork, broken pipes...).
155 - work around perl on windows bugs where perl returns undocumented 707 - work around perl on windows bugs where perl returns undocumented
156 error codes for sysread, syswrite etc. by taking advantage 708 error codes for sysread, syswrite etc. by taking advantage
… …
160 - use unix domain sockets in testsuite to work around 712 - use unix domain sockets in testsuite to work around
161 common perl implementation bugs on widows (they are emulated by 713 common perl implementation bugs on widows (they are emulated by
162 tcp sockets on windows. ugh.) 714 tcp sockets on windows. ugh.)
163 715
1644.71 Sat May 24 20:01:27 CEST 2008 7164.71 Sat May 24 20:01:27 CEST 2008
165 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()"). 717 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()").
166 - take advantage of async name resolution of AnyEvent::Util. 718 - take advantage of async name resolution of AnyEvent::Util.
167 - work around brutal inet_aton override in Coro::LWP. 719 - work around brutal inet_aton override in Coro::LWP.
168 - take advantage of the readyhook in Coro::EV, for smoother 720 - take advantage of the readyhook in Coro::EV, for smoother
169 scheduling. 721 scheduling.
170 722
1714.7 Sun May 11 00:32:19 CEST 2008 7234.7 Sun May 11 00:32:19 CEST 2008
172 - completely reworked the Coro manpage. 724 - completely reworked the Coro manpage.
173 - added Coro::AnyEvent, generic event loop integration. 725 - added Coro::AnyEvent, generic event loop integration.
174 - implement cancel, ready and kill commands in Coro::Debug. 726 - implement cancel, ready and kill commands in Coro::Debug.
175 - document find_coro in Coro::Debug. 727 - document find_coro in Coro::Debug.
176 - incompatible change: rename has_stack to has_cctx. 728 - incompatible change: rename has_stack to has_cctx.
177 - Coro::AIO and Coro::BDB no longer force event model detection, 729 - Coro::AIO and Coro::BDB no longer force event model detection,
178 use AnyEvent::AIO and AnyEvent::BDB. 730 use AnyEvent::AIO and AnyEvent::BDB.
… …
302 854
3034.11 Thu Oct 11 02:40:24 CEST 2007 8554.11 Thu Oct 11 02:40:24 CEST 2007
304 - port to threaded perls. 856 - port to threaded perls.
305 857
3064.1 Thu Oct 11 02:38:16 CEST 2007 8584.1 Thu Oct 11 02:38:16 CEST 2007
307 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now 859 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now
308 be local to each coro (see Coro::State). 860 be local to each coro (see Coro::State).
309 - incompatible change: for very deep reasons, cede and cede_notself 861 - incompatible change: for very deep reasons, cede and cede_notself
310 cannot return anything, so nothing will be returned. 862 cannot return anything, so nothing will be returned.
311 - possibly bring back 5.10 compatibility (untested). 863 - possibly bring back 5.10 compatibility (untested).
312 - work around stupid (and wrong) warning on 5.10 :(. 864 - work around stupid (and wrong) warning on 5.10 :(.
… …
384 but stateful semantics. 936 but stateful semantics.
385 - fixed a lot of typos in Coro.pm (patch submitted by David 937 - fixed a lot of typos in Coro.pm (patch submitted by David
386 Steinbrunner, which applied flawlessly). 938 Steinbrunner, which applied flawlessly).
387 939
3883.6 Sat Apr 14 17:13:31 CEST 2007 9403.6 Sat Apr 14 17:13:31 CEST 2007
389 - added some bugfixes to get eg/myhttpd working again. 941 - added some bugfixes to get eg/myhttpd working again.
390 - added Coro::Storable for often-cede'ing freeze/thaw. 942 - added Coro::Storable for often-cede'ing freeze/thaw.
391 - try to do a clean exit when a coroutine calls exit 943 - try to do a clean exit when a coroutine calls exit
392 (EXPERIMENTAL). 944 (EXPERIMENTAL).
393 - got rid of indirect call through _coro_init. 945 - got rid of indirect call through _coro_init.
394 - updated the partly antique examples in eg/ to 946 - updated the partly antique examples in eg/ to

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