ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/Changes
(Generate patch)

Comparing Coro/Changes (file contents):
Revision 1.36 by root, Thu Aug 9 02:57:54 2001 UTC vs.
Revision 1.509 by root, Wed Jul 8 02:16:49 2009 UTC

1Revision history for Perl extension Coro. 1Revision history for Perl extension Coro.
2 2
30.45 3TODO: should explore PerlIO::coroaio (perl leaks like hell).
4TODO: maybe implement a default message channel, very much like Erlang's
5 actor model (which is cool in a lot of important aspects (failures!),
6 but very lacking in others (higher level ipc)).
7TODO: unready_all
8TODO: myhttpd header parsing
9TODO: channel->maxsize(newsize)?
10
11 - considerably speed up Coro::Select by taking avdantage
12 of AnyEvent > 4.8 and some other optimisations.
13
145.151 Mon Jul 6 05:41:57 CEST 2009
15 - backport to windows process emulation code again (patch by
16 Yasuhiro MATSUMOTO).
17 - slightly update Coro::MakeMaker.
18
195.15 Tue Jun 30 10:28:06 CEST 2009
20 - deprecate Coro::Socket, document how to get ipv6 support via
21 AnyEvent::Socket instead.
22 - implement signal->wait ($cb) interface, similar to semaphores.
23 - work around SvOK not supporting getmagic, so we have to getmagic
24 to test for undef :/ (reported by Matthias Waldorf).
25 - load Coro::AnyEvent in all modules using AnyEvent.
26 - work around perl corrupting our internal data structures,
27 reported by Tokuhiro Matsuno.
28 - enable per-coroutine real and cpu time gathering
29 (Coro::State::enable_times).
30
315.14 Wed Jun 24 01:37:48 CEST 2009
32 - provide explicit functions to "cede" to the event loop in Coro::AnyEvent,
33 as this seems to have been a difficult concept (poll, sleep, idle,
34 idle_upto).
35 - add Coro::AnyEvent::readable/writable functions.
36 - clarify Coro::EV/Event/AnyEvent manpages.
37 - free per-thread global scalars in the thread calling ->cancel, to
38 avoid crashes when $_, $@ etc., are magical but some of those
39 had already been freed.
40 - "unexperimentalise" the callback interface for Coro::Semaphore.
41 - speed up ready queue management/context switching by using a linked
42 list instead of an array (~5-10%).
43 - implement "watch" command in Coro::Debug shells.
44 - for fun, implement time-slicing as an example in the manpage.
45 - if AnyEvent detects EV or Event, but we don't have Coro::EV or
46 Coro::Event, use the normal AnyEvent handling instead of dieing
47 (the same is true for Coro::Handle).
48 - properly document Coro::EV::timed_io_once.
49 - avoid unneccessary ->cancel calls in Coro::Handle.
50 - maybe make it work on mingw32 with win32 backend
51 (based on patch by Yasuhiro Matsumoto).
52
535.132 Fri May 29 09:00:39 CEST 2009
54 - do not keep a reference to the argument itself in
55 Coro::Semaphore::guard, as it could change later.
56 - support SO_RCVBUF/SO_SNDBUF nonstandard Coro::Socket options,
57 should support a prepare callback.
58
595.131 Mon Mar 16 23:20:37 CET 2009
60 - implement and document Coro->suspend, Coro->resume.
61 - fix Coro::Select implementation to not (often) close
62 the passed file descriptors (testcase provided by pippijn).
63
645.13 Mon Dec 15 21:51:42 CET 2008
65 - EXPERIMENTAL: implement dynamic winds (on_enter/on_leave).
66 - don't set diehook to C<undef> but instead to NULL, to avoid
67 spurious warnings.
68 - fix a lot of bugs in Coro::SemaphoreSet.
69 - Coro::SemaphoreSet will less often create a semaphore needlessly.
70 - add Coro::SemaphoreSet::count and wait methods.
71 - take advantage of the new Guard module.
72 - deprecate Coro::guard.
73 - try to fix the dreaded 01_unblock tests once more. I hate it when
74 testsuites need more fixing than the code they are supposed to test.
75 - croak in more cases when a required callback isn't resolvable.
76 - fix some minor issues in Coro::State->call/eval.
77 - use current coroutine context instead of a temporary one
78 when temporarily switching to another coroutine.
79 - do not call C-level on_destroy handlers during global destruction,
80 to avoid needless segfaults.
81
825.12 Sun Dec 7 13:30:38 CET 2008
83 - add default config for MirOS, which seems to be a bug-to-bug
84 compatible fork of openbsd ("world domination by releasing
85 openbsd cvs before the openbsd folks do it" or so :).
86 - free_padlist did destroy the names pad, not good, but didn't
87 seem to bother perl - this could fix issues such as eval ""
88 inside a function called from multiple coroutines.
89 - use a different method to detect destruction time.
90 - be more careful when freeing padlists just before global
91 destruction.
92 - fixed and expanded the call/cc example.
93 - renamed _terminate to _coro_run.
94 - new method Coro::Channel->shutdown.
95 - try pthreads on openbsd <4.4 (broken sigaltstack, will
96 pthreads fare better?).
97 - be less picky about destroying "a" running coroutine.
98
995.11 Tue Nov 25 21:49:05 CET 2008
100 - DEBUGGING in 5.10.0 is a mess: it constantly flags perfectly
101 working code with failed assertions, introducing more bugs than
102 it fixes, requiring elaborate workarounds :(
103
1045.1 Mon Nov 24 08:54:59 CET 2008
105 - wrote a small introductory tutorial - Coro::Intro.
106 - convert Coro::Timer, Coro::Select and Coro::Util to rouse API.
107 - Coro::Select did errornously dup the file descriptors
108 and didn't work with all AnyEvent backends.
109 - Coro::Select wasn't imported correctly form Coro::LWP, causing blocking
110 LWP data transfers.
111 - disassociate c contexts from coro objects - this is agruably more
112 correct, but mostly allows sharing of cctxs between coro and state
113 objects, for added memory savings and speed increases.
114 - bumped $Coro::POOL_RSS up to 32kb by default.
115 - no longer set the optype to OP_CUSTOM, as B::* understandably
116 doesn't like this very much (and we *are* a type of entersub).
117 - implement state cloning, just to prove that call/cc can be done.
118 - automatically load Coro::AnyEvent in Coro::Handle.
119 - wrap ->cancel calls in eval inside Coro::Handle as EV watchers
120 do not have this method (and don't need it either).
121 - speed up generic anyevent methods in Coro::Handle by using rouse
122 callbacks.
123 - allow coroutines in $Coro::IDLE, speeding up Coro::AnyEvent and
124 others. It also makes the debugger happier, as you can trace
125 through the idle threads now.
126 - add comppad_name* and hints ($^H, %^H) to per-thread variables.
127 - eg/event was pretty broken.
128 - better 5.8.6 compatibility.
129
1305.0 Thu Nov 20 10:35:05 CET 2008
131 - NEW ARCHITECTURE: use the latest 4.x version if you experience
132 stability issues.
133 - bump API version to 7 - all dependents must be recompiled.
134 - removed timed_* functions - they were not being used anyways
135 and should be replaced by a more generic mechanism -
136 and were annoying to support anyways :)
137 - removed SemaphoreSet's waiter method - use sem method instead.
138 - Coro::Semaphore->adjust didn't correctly wake up enough waiters.
139 - async_pool did free a scalar value twice
140 ("Attempt to unreference...").
141 - fix a longstanding bug where calling terminate on a coro that
142 was waiting for a semaphore that was just becoming available
143 would cause a deadlock (semaphore would get into a state where
144 it was available but waiters were still blocked).
145 - calling throw on a coroutine that is waiting for a semaphore will
146 no longer make it acquire the semaphore (and thus leak a count).
147 - perl's process emulation is now not even theoretically supported
148 anymore.
149 - new functions Coro::rouse_cb and Coro::rouse_wait for easier
150 conversion of callback-style to blocking-style.
151 - new methods $coro->schedule_to and ->cede_to, to specifically
152 schedule or cede to a specific coroutine.
153 - new function Coro::Semaphore::wait.
154 - use named constants in Coro::Channel (Richard Hundt).
155 - directly patch the entersub opcode calling SLF functions (cede,
156 transfer and so on). this does speed up context switching, but
157 more importanly, it frees us from the hardcoded behaviour of
158 entersub, so we might actually be able to return something from
159 those functions and atcually create new ones.
160 - take advantage of __builtin_frame_address on gcc.
161 - expose THX in coroapi (not sure whether this was a wise decision,
162 as "threaded" perls are running at half speed anyways).
163 - implement execute_slf (schedule-like-function) interface that makes
164 it possible to implement schedule-like-functions in XS.
165 - use new SLF interface to massively speed up Coro::EV by roughly a
166 factor of two.
167 - used new SLF interface to massively speed up Coro::Semaphore by a
168 factor of three.
169 - used new SLF interface to speed up Coro::AIO by roughly a factor of
170 four and reduce its memory usage considerably.
171 - implement Coro::SemaphoreSet purely in terms of Coro::Semaphore,
172 for a nice speedup and vastly more correct behaviour. Also implement
173 a new method "sem" to get at the underlying semaphore object.
174 - implement Coro::Channel in terms of Coro::Semaphore, for a moderate
175 (in comparison) 20-40% speedup.
176 - used new SLF interface to reimplement Coro::Signal gaining
177 some unknown (because I was too lazy), but certain, speedup, and also
178 making signals reliable for the first time.
179 - used new SLF interface and other optimisations to speed up async_pool
180 by a factor of two. It also doesn't rely on perl's exception mechanism
181 to exit anymore. The overhead for terminating an async_pool, coro over
182 a normal async is now very small.
183 - sped up coroutine creation/destruction by 40%.
184 - forgot to include Coro/libcoro/README in the dist for all these years.
185 - work around a freebsd pthreads bug (manual testcancel is required as
186 pthread_cond_wait isn't a cancellation point on freebsd).
187 - use new rouse functions to speed up and simplify Coro::BDB.
188 - make "prefer perl native functions" work with threaded perls.
189 - condense Coro::Debug ps output, hint at v and w flags.
190 - (libcoro) lots of minor cleanups and portability improvements.
191
1924.914 Wed Nov 19 12:54:18 CET 2008
193 - fix a disastrous bug in the readline optimisation
194 introduced in 4.801.
195
1964.913 Sat Nov 15 07:58:28 CET 2008
197 - async_pool did free a scalar value twice
198 ("Attempt to unreference...").
199
2004.912 Thu Nov 13 18:31:23 CET 2008
201 - minor cleanups.
202 - use much larger stacks on linux and perl < 5.8.8.
203 - Coro::Debug::new_unix_server did not unlink the socket
204 when destroyed.
205
2064.911 Tue Nov 11 04:26:17 CET 2008
207 - "port" to threaded perls.
208
2094.91 Mon Nov 10 05:36:38 CET 2008
210 - the ->throw exception object no longer leaks.
211 - creating a new cctx leaked a scopestack entry (memleak).
212 - new coroutines didn't get created with a zero flags field
213 (unknown impact).
214 - calling ->throw on a not-yet-started coroutine should now work
215 instead of being ignored.
216 - ->throw is now supported on Coro::State objects.
217 - clean up cctx creation code a bit.
218 - entersub is actually a UNOP, not a LOGOP (not a bugfix).
219
2204.9 Sat Nov 8 17:45:27 CET 2008
221 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there).
222 - (libcoro) no longer leak threads in the experimental pthread backend,
223 also speed it up considerably.
224 - (libcoro) do not rely on makecontext passing void *'s unscathed.
225 - fix compiletime dependencies on libcoro in the Makefile.
226 - cctx_count wasn't always updated properly.
227 - Coro::State::cctx_stacksize wasn't applied correctly.
228 - new function Coro::State::cctx_max_idle.
229 - the default max number of idle C contexts is now 4.
230 - (libcoro) try harder to get _setjmp/_longjmp.
231 - (libcoro) cleanup and extend the libcoro API to officially
232 allow the creation of empty source contexts.
233 - very experimental workaround for the totally broken netbsd platform.
234 - tried to hack around openbsd bugs.
235
2364.804 Wed Nov 5 16:36:00 CET 2008
237 - Coro::Debug::new_unix_server would not create a non-blocking listening
238 socket, sometimes causing freezes.
239 - (libcoro) fix misaligned stack points for setjmp and assembly
240 methods, which can cause crashes on x86/x86_64 with a sufficiently
241 aggressive compiler.
242 - new function: Coro::Debug::new_tcp_server.
243 - move ->throw into the Coro class because it only works on coro objects.
244
2454.803 Mon Nov 3 17:16:12 CET 2008
246 - (libcoro) use a global asm statement to become independent of gcc
247 otpimisations for CORO_ASM (thanks to pippijn for the idea).
248 - try to workaround yet another broken bsd, this time dragonfly.
249
2504.802 Thu Oct 30 10:56:12 CET 2008
251 - support -fno-omit-frame-pointer on x86 with the assembly method.
252 - tune 01_unblock.t tests a bit.
253
2544.801 Wed Oct 22 18:33:37 CEST 2008
255 - improve readline speed for very long "lines".
256 - backport to 5.8.8.
257
2584.8 Thu Oct 2 13:34:40 CEST 2008
259 - new function Coro::AIO::aio_wait.
260 - Coro.:AIO and Coro::BDB now "use Coro::AnyEvent".
261 - greatly speed up and reduce memory usage of Coro::AIO requests.
262 - implement some other µ-optimisations.
263
2644.749 Mon Sep 29 14:40:12 CEST 2008
265 - port to slow and broken pseudo-threaded perls. (courtesy pippijn).
266
2674.748 Sat Sep 27 14:03:19 CEST 2008
268 - implement, but do not document, PerlIO::cede(granularity).
269 - Coro::Storable forgot to wrap Storable::pstore.
270 - work around the multitude of leaks and memory corruption
271 bugs in PerlIO::via by using our own C-level perliol. As a side
272 effect, Coro::Storable is now much, much, much faster.
273
2744.747 Tue Sep 23 01:59:41 CEST 2008
275 - fix a per-cv memleak (one empty array was leaked per
276 code reference).
277 - avoid a crash in coro->call|rss when the coroutine was already
278 destroyed (most noticably when using Coro::Debug::ps :)
279 - also protect *Storable::FILE.
280 - push up default storable granularity to 20ms.
281
2824.746 Sun Sep 21 03:22:20 CEST 2008
283 - be more insistent on locking Storable against reentrancy
284 in Coro::Storable.
285 - move swap_def?v and throw to Coro::State, as documented.
286
2874.745 Thu Jul 24 00:14:38 CEST 2008
288 - remove debugging code related to MgPV_nolen_const, also try to
289 make it compile with perl 5.8.6 (yes, apple apparently loves
290 outdated software). Reported by John S.
291
2924.744 Tue Jul 8 22:06:35 CEST 2008
293 - correctly provide default DIE/WARN handlers as documented.
294 - also overwrite PL_vtbl_sigelem.svt_clear, even though current
295 implementations inside perl work fine for us.
296
2974.743 Mon Jun 16 00:21:57 CEST 2008
298 - when using Coro::EV without running EV::loop it could
299 result in busy-waiting for events, this has been fixed.
300 - reduce codesize and improve performance by using EV_DEFAULT_UC.
301
3024.742 Sat May 31 14:10:21 CEST 2008
303 - implement a workaround for (some) perl <5.8.8 versions.
304 - require EV 3.3+.
305
3064.741 Fri May 30 23:33:09 CEST 2008
307 - tell netbsd how utterly broken their imitation of an OS is
308 and refuse to build by default if pthreads are in use.
309 - switch to "s" method on all bsd's by default, as their ucontext
310 stuff seems just too broken.
311 - fix a bug in Coro::Select.
312
3134.74 Thu May 29 20:05:31 CEST 2008
314 - do not test Coro::LWP for lack of dependencies.
315 - do not test Coro::Select for lack of working perls.
316
3174.73 Thu May 29 2008
318 - fix a bug in Coro::EV which would cause it to block despite
319 there being runnable coroutines.
320 - sprinkle "no warnings" freely over everything, also suppress
321 warnings for some other modules.
322 - fix typo in WSAEWOULDBLOCK.
323
3244.72 Sun May 25 05:14:36 CEST 2008
325 - tweak META.yaml a bit, unfortunately, there is no documented way
326 to have optional dependencies with CPAN. doh :(
327 - avoid running some tests on windows because they would fail due to
328 perl bug (broken fork, broken pipes...).
329 - work around perl on windows bugs where perl returns undocumented
330 error codes for sysread, syswrite etc. by taking advantage
331 of AnyEvent's workaround for that problem.
332 - use AnyEvent::Util::fh_nonblocking in Coro::Handle to work around
333 a common perl implementation bug on windows.
334 - use unix domain sockets in testsuite to work around
335 common perl implementation bugs on widows (they are emulated by
336 tcp sockets on windows. ugh.)
337
3384.71 Sat May 24 20:01:27 CEST 2008
339 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()").
340 - take advantage of async name resolution of AnyEvent::Util.
341 - work around brutal inet_aton override in Coro::LWP.
342 - take advantage of the readyhook in Coro::EV, for smoother
343 scheduling.
344
3454.7 Sun May 11 00:32:19 CEST 2008
346 - completely reworked the Coro manpage.
347 - added Coro::AnyEvent, generic event loop integration.
348 - implement cancel, ready and kill commands in Coro::Debug.
349 - document find_coro in Coro::Debug.
350 - incompatible change: rename has_stack to has_cctx.
351 - Coro::AIO and Coro::BDB no longer force event model detection,
352 use AnyEvent::AIO and AnyEvent::BDB.
353
3544.6 Sat Apr 26 10:05:14 CEST 2008
355 - INCOMPATIBLE CHANGE: sub/code attributes are no longer supported
356 by the Coro module. It was a mistake to have it in the first place.
357 - (experimental) support for activestate perl 5.10 (method "w").
358 - (experimental) support for strawberry perl (method "a").
359 - coro_sigelem_set did not return a value although it had to,
360 actual impact unknown.
361
3624.51 Mon Apr 14 13:28:27 CEST 2008
363 - make it compile again on 5.8.
364
3654.50 Thu Apr 10 09:43:17 CEST 2008
366 - I did it twice! (see 4.49).
367
3684.49 Sun Apr 6 21:23:31 CEST 2008
369 - grr, instead of compiling the recent changes on 5.10 only they
370 were compiled on 5.8 only.
371
3724.48 Sun Apr 6 20:36:46 CEST 2008
373 - allow coroutine switches during eval's under 5.10.x, as it seems
374 the parser is a per-interpreter option now, so this is safe
375 (this might fix the odd crashing bug).
376 - drop support for 5.9.x versions: they are dead, jim.
377
3784.47 Sun Apr 6 00:37:52 CEST 2008
379 - force cctx allocation on API calls: we know we need to force one
380 and gcc actually manages to confuse our heuristic nowadays,
381 leading to crashes and worse.
382 - document force_cctx.
383
3844.46 Fri Apr 4 22:05:43 CEST 2008
385 - upgrade libcoro, resulting in pthread-backend (which was only created
386 to fulfill the rules of the programming languages shootout).
387
3884.45 Thu Mar 13 11:55:36 CET 2008
389 - fix a file leaking bug in eg/mhyttpd that would allow
390 downloading of any file (reported by oesi).
391 - fix deadlock bug in Coro::Channel (reported by Richard Hundt)
392 (also add testcase).
393 - support Broadcast option in Coro::Socket (patch by Richard Hundt,
394 apparently having loads of fun with that).
395 - implement $state->swap_defsv, ->swap_defav and document ->throw.
396
3974.4 Wed Feb 13 16:44:29 CET 2008
398 - only assume .cfi pseudo isns exist on GNU/Linux.
399 - add get_timed method to Coro::Channels.
400 - fixed Coro::Debug manpage.
401 - perl 5.11 compatbility improvement based on patch by
402 Andreas König.
403
4044.37 Sun Jan 20 11:25:23 CET 2008
405 - soften the check for an active parser for perl 5.10 (avoiding
406 "Coro::State::transfer called while parsing" in many cases).
407
4084.36 Sun Jan 13 10:53:56 CET 2008
409 - reset diehook when terminating from an async_pool as to not
410 trigger any __DIE__ handlers.
411
4124.35 Sun Jan 13 04:14:13 CET 2008
413 - "bt" debug command now displays any exceptions
414 from longmess and also skips the innermost
415 stackframes, giving more useufl output.
416 - allow backtraces in coroutines blocked in Coro::EV,
417 at a <1% speed hit.
418 - handle localising of $SIG{__WARN__} and __DIE__
419 properly (with a proper amount of dirty hacking).
420
4214.34 Sat Dec 22 17:49:53 CET 2007
422 - upgrade to EV version 2.0 API.
423
4244.33 Mon Dec 17 08:36:12 CET 2007
425 - make Coro::AIO etc. loadable in the absence of EV.
426
4274.32 Mon Dec 17 07:46:02 CET 2007
428 - majorly improved Coro::Handle's performance with Coro::EV.
429 - implemented the until now mythical Coro::BDB module.
430 - specialcase EV in Coro::AIO and Coro::BDB for extra speed.
431
4324.31 Wed Dec 5 12:32:39 CET 2007
433 - remove warn statement form Coro::Util.
434
4354.3 Tue Dec 4 20:33:14 CET 2007
436 - calls to the idle function could cause stack corruption
437 when the stack changed.
438 - do no longer rely on the presence of EV::DNS if EV is used
439 (because it is gone), but instead take avdantage of EV::ADNS
440 if available.
441 - add ($) prototypes to all functions in Coro::Storable.
442 - use a conventional (safer) idle callback in Coro::EV.
443 - do accept quickly in Coro::Debug to avoid endless loops.
444
4454.22 Fri Nov 30 16:04:04 CET 2007
446 - really use optimised versions for Event and EV in Coro::Util
447 and Coro::Handle.
448
4494.21 Sun Nov 25 10:48:59 CET 2007
450 - fix a spurious memory read.
451 - Coro::EV no longer keeps the eventloop "alive".
452
4534.2 Fri Nov 9 20:47:05 CET 2007
454 - enable/disable tracing from a new coroutine, not a pooled one.
455 - fix a memleak in Coro::Event.
456 - removed killall call from fork_eval.
457 - made sure store_fd is already loaded so that fork_eval
458 does not have to parse autoload in each subprocess.
459 - only use assembly method if -O switch is in $Config{optimize}.
460 - add (optional) Coro::EV module, so far the best event loop module
461 directly supported by Coro.
462 - if the event model is EV, use EV::DNS to resolve
463 stuff in Coro::Util.
464 - don't get confused by multiple event notifications in Coro::Handle.
465 - initial support for EV (libevent interface).
466 - require Event and EV using configure_requires, to force their existance.
467
4684.13 Wed Oct 24 07:26:45 CEST 2007
469 - add Coro::Storable::blocking_thaw.
470 - use a vastly more complicated technique to localise
471 $SIG{__WARN/DIE__} that also works on perls <= 5.8.8.
472 - use a coroutine for the idle callback Coro::Event,
473 instead of running Event in the current coroutine context.
474 This also catches recursive invocations.
475 - actually report fork errors in gethostbyname and inet_aton.
476
4774.11 Thu Oct 11 02:40:24 CEST 2007
478 - port to threaded perls.
479
4804.1 Thu Oct 11 02:38:16 CEST 2007
481 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now
482 be local to each coro (see Coro::State).
483 - incompatible change: for very deep reasons, cede and cede_notself
484 cannot return anything, so nothing will be returned.
485 - possibly bring back 5.10 compatibility (untested).
486 - work around stupid (and wrong) warning on 5.10 :(.
487 - overlay the saved state over the context stack. This saves
488 a few hundred bytes per coroutine on average and also
489 speeds up context switching a bit.
490 - further tune default stack sizes.
491 - (more) correctly calculate stack usage in coro_rss.
492 - Coro::Storable::blocking_* did not properly lock
493 resulting in races between coroutines.
494 - added Coro::Storable::guard.
495 - stopping to trace a coroutine could destroy the cctx of
496 an unrelated coroutine.
497 - explain the relationship between Perl and C coroutines in
498 more detail in Coro::State.
499 - Coro::Util::inet_aton did not short-circuit dotted quad forms,
500 causing a fork per resolve. This also affected Coro::Socket.
501 - switch to a separate stack in $coro->call/eval to avoid
502 invalidating pointers.
503
5044.03 Sat Oct 6 21:24:00 CEST 2007
505 - added Coro::throw method.
506 - minor code cleanups.
507
5084.02 Sat Oct 6 02:36:47 CEST 2007
509 - fix a very minor per-coroutine memleak (a single codereference).
510 - fixed a bug where the currently in-use c context would be freed
511 prematurely (can happen only when programs change the stacksize
512 or use tracing).
513 - tracing can no longer keep a coro alive after it terminated.
514 - do static branch prediction in the common path for gcc. gives
515 about 2-5% speed improvement here.
516
5174.01 Fri Oct 5 22:10:49 CEST 2007
518 - instead of recreating *a* standard output handle we simply
519 use STDOUT, which is faster and hopefully more robust.
520
5214.0 Fri Oct 5 12:56:00 CEST 2007
522 - incompatibly changed Coro::Storable::freeze.
523 - major new feature: added Coro::Debug, for interactive coroutine
524 debugging, tracing and much more.
525 - major bug fix: unbelievable, but true: $_, $/ and many other
526 "saved" variables actually weren't being saved. This has been fixed,
527 of course, while increasing performance while losing all the save
528 flags.
529 - save flags are gone, and all the api functions dealing with them.
530 - added Coro::Semaphore::adjust.
531 - added Coro::Util::fork_eval.
532 - added Coro::Storable::{nfreeze,blocking_{freeze,nfreeze}}.
533 - added Coro::killall.
534 - reduce initial stack sizes to allow for "micro-coroutines".
535 - better async_pool resource management, moved parts of async_pool
536 handling to XS (major speed improvement).
537 - actually croak before modifying important data structures.
538 - refuse to transfer while compiling.
539 - possibly support eval EXPR better now.
540 - enable assembly per default on linux+bsd x86+amd64.
541 - all internal members were renamed _something for easier subclassing.
542 - many minor tweaks.
543
5443.63 Wed May 16 14:10:06 CEST 2007
545 - implement handcoded assembly for x86/amd64 SVR ABI.
546
5473.62 Fri Apr 27 21:36:06 CEST 2007
548 - upgrade libcoro (which might set unwind info correctly).
549 - change default on linux to setjmp/longjmp.
550
5513.61 Thu Apr 19 12:36:18 CEST 2007
552 - Coro::Storable caused an endless loop when thawing invalid
553 pst's sometimes.
554 - use a Semaphore in Coro::Storable, as Storable doesn't
555 seem to be reentrant (although it is documented to
556 be threadsafe...).
557 - fix Coro::Signal to bring back the original unreliable
558 but stateful semantics.
559 - fixed a lot of typos in Coro.pm (patch submitted by David
560 Steinbrunner, which applied flawlessly).
561
5623.6 Sat Apr 14 17:13:31 CEST 2007
563 - added some bugfixes to get eg/myhttpd working again.
564 - added Coro::Storable for often-cede'ing freeze/thaw.
565 - try to do a clean exit when a coroutine calls exit
566 (EXPERIMENTAL).
567 - got rid of indirect call through _coro_init.
568 - updated the partly antique examples in eg/ to
569 work again and be a bit less magic, too.
570 - fixed Coro::Signal semantics to work as documented again.
571
5723.55 Sun Mar 25 01:20:47 CET 2007
573 - add SAVE_DEFFH to save the default filehandle and enable
574 it by default.
575 - finally move socket-operations from Coro::Socket to Coro::Handle
576 to be able to unblock foreign sockets.
577 - add Coro::State::save_also and guarded_save.
578 - add count accessor to Coro::Semaphore.
579 - add Coro::State::cctx_stacksize.
580 - just for the fun of it, do not rely on implicit context,
581 which can dramatically improve performance, but people
582 using windows-process-emulation perls do not care much about
583 performance.
584
5853.51 Sun Mar 4 14:18:04 CET 2007
586 - fixed a problem when you weakened references to Coro::State's
587 (patch by Yuval Kogman).
588
5893.501 Wed Feb 28 12:44:07 CET 2007
590 - rename some global symbols as macosx from hell redefines
591 them without asking.
592
5933.5 Tue Feb 13 20:22:53 CET 2007
594 - do AnyEvent model detection earlier, avoiding problems
595 caused by first using AnyEvent and later Coro::Event.
596 - implement and document Coro::Event event objects.
597 - fix a potential problem in Coro::Event causing crashes.
598 - initialise PL_comppad when creating a new coroutine,
599 avoids crashes on early coro destruction.
600
6013.41 Mon Jan 22 19:19:49 CET 2007
602 - readline on Coro::Handle did not support undefined $/,
603 nor did it deliver partial lines on EOF or error.
604 - implement malloc fallback for stack allocation because
605 stupid broken idiotic OSX has a stupid broken
606 idiotic fits-the-whole-os mmap "implementation" and
607 my dick feels longer if Coro is portable even to
608 obsolete platforms.
609
6103.4 Fri Jan 19 21:52:54 CET 2007
611 - remove t/09_timer.t, as it isn't really testing much
612 but was rather flaky in practise.
613 - async_pool coro would keep arguments and callback alive until
614 it was reused.
615 - cancellation of a coroutine could cause spurious idle calls
616 in cede_notself.
617
6183.3 Sat Jan 6 03:45:00 CET 2007
619 - implement $coro->on_destroy.
620 - Coro::Event blocking semantics have been changed,
621 documented and - hopefully - improved.
622 - fix nice adding, not subtracting, from priority.
623 - fix ->prio and api_is_ready (patch by Mark Hinds).
624 - fixed an assert ("... == prev__cctx->idle_te")
625 that could errronously trigger.
626 - fix various large and small memleaks.
627 - use a (hopefully) more stable cancel implementation
628 that immediately frees the coroutine data.
629 - cede/cede_notself return a status now.
630 - added Coro::guard function.
631 - added a global coroutine pool for jobs (on my machine,
632 I can create and execute 48k simple coros/s with async,
633 and 128k coros with async_pool).
634 - Coro::AIO now uses the coroutine priority as io priority.
635
6363.2 Fri Dec 22 05:07:09 CET 2006
637 - improve portability to slightly older perls.
638 - use cleaner coroutine destruction.
639 - simplify configuration for users.
640 - optionally (unrecommended) prefer perl functions over
641 their coro replacements.
642
6433.11 Tue Dec 5 13:11:24 CET 2006
644 - fixed some bogus assert's, but as perl.h disables assert even
645 without NDEBUG (thank you very much), not too many people should
646 notice (that did include myself). Andreas König noticed, though :)
647 - do not save/restore PL_sortcxix on >= 5.9.x, it doesn't seem to have
648 it. Also noticed by Andreas König :)
649 - save/restore tainted status.
650 - verified to pass the testsuite on my 5.9.5.
651
6523.1 Mon Dec 4 23:03:40 CET 2006
653 - INCOMPATIBLE CHANGE: $/ is now per-coroutine (but slow).
654 - incompatible change: transfer flags are now per-state.
655 - give a better error message on deadlock.
656 - document Coro::nready.
657 - enhanced testsuite.
658
6593.01 Sun Dec 3 23:47:42 CET 2006
660 - forgot to include Coro::Timer.
661
6623.0 Sun Dec 3 22:57:25 CET 2006
663 - the "FINALLY COMPLETELY STABLE" release (coming soon:
664 the "FAMOUS LAST WORDS" release).
665 - implement a new stack sharing algorithm, which uses a stack
666 pool (size currently hardcoded).
667 - make stack sharing mandatory (it no longer uses a heuristic).
668 - eval/die no longer cause weird problems under heavy use.
669 - Coro::Event could cause livelocks if it was used but
670 no Coro::Event watchers were used.
671 - Coro::Event now uses asynccheck as prepare does not
672 check for changed watchers.
673 - Coro::Event allows multiple waiting coros and will wake up one
674 per event.
675 - Coro::Event should be cleaner and more efficient now.
676 - new utility function Coro::unblock_sub.
677 - document the sad fact that Event is no longer reentrant.
678 - putting a coroutine into the ready queue twice could under
679 some circumstances lead to stack corruption.
680 - minor incompatibility: subclassing Coro::State is supported
681 directly now without going through a _coro_state member.
682 - state/coro switching is much faster now.
683 - very minor optimisations and code/documentation cleanup.
684 - avoid problems due to compiler inlining.
685 - removed timers from Coro::Timer -> use AnyEvent instead.
686 - replaced Coro::idle coroutine by (cleaner) idle handler.
687 - updated to newest libcoro.
688 - implement enhanced support for valgrind.
689 - implement is_ready and return value for ready.
690 - removed Coro::Cont, it was a misnomer (it's generators),
691 and it was somewhat annoying to get it right. Will come back
692 if somebody asks for it :)
693 - many ->wait methods and Coro::Event could return
694 spuriously without the event having happened.
695
6962.5 Tue Nov 7 12:22:33 CET 2006
697 - made Coro::Util, Coro::Select, Coro::Handle and Coro::Socket
698 use AnyEvent, moved them to Coro/.
699 - added Coro::LWP which contains all the uglyness required to
700 make LWP non-blocking.
701 - should work with perl 5.9.x now (Andreas König made me do it).
702 - fixed another bug in Coro::Select when the timeout was undef.
703 - reuse PL_start_env for all coros, saves some memory per coroutine.
704 - manage PL_top_env differently, hopefully to avoid panic: top_env.
705 - timeout argument was not properly used in Coro::Socket.
706 - allow limited forms of subclassing in Coro::Handle/Coro::Socket.
707 - emulate undocumented(!) functionality of IO::Socket required
708 by LWP(!!).
709 - updated eg/lwp to work with newer lwp's.
710 - remove "FATAL: uncaught exception" prefix. Coroutines that die
711 kill the whole process, just as exceptions in the main "coroutine"
712 did already.
713
7142.1 Wed Nov 1 23:01:13 CET 2006
715 - fix a long-standing bug in Coro::Select where select with
716 zero timeout would instead change the current default filehandle.
717 - use a simpler and hopefully more robust way to clone padlists
718 (uses less memory and a perl function instead of our own).
719 - coro can now create a stack guard area on many architectures.
720 - Coro::AIO properly reexports additional functions from IO::AIO.
721 - updated libcoro with a workaround for OS X,
722 pach and testing by Michael Schwern.
723
7242.0 Tue Oct 24 05:47:17 CEST 2006
725 - support additional aio requests in Coro::AIO.
726
7271.9 (never properly released due to a glitch)
728
7291.8 Thu Feb 2 00:59:06 CET 2006
730 - applied suggested patch by SAMV to avoid problems during stupid
731 mark & sweep gc run.
732 - applied patch by Scott Walters for 5.9.3 compatibility.
733
7341.7 Tue Dec 27 01:41:58 CET 2005
735 - added Coro::AIO, a thin wrapper around IO::AIO.
736 - improved Makefile.PL explanations.
737
7381.6 Mon Dec 12 21:30:05 CET 2005
739 - additionally save PM_curpm might fix as-of-yet
740 unseen problems with regex matches being attributed to the
741 wrong package.
742 - add t/10_bugs.t, which currently checks against imho broken
743 perls that use 0.26MB of stack space per Perl_magic_get
744 invocation (newer linuxes) as opposed to the 0.0002MB perl
745 normally uses.
746 - make stacksize configurable for the ultimate debian experience.
747
7481.51 Mon Dec 12 18:48:36 CET 2005
749 - remove debugging warn() accidentally left in Coro::Select.
750
7511.5 Tue Nov 29 13:32:44 CET 2005
752 - use Coro::Event inside Coro::Select to avoid spurious deadlocks.
753 - fix Coro::Select 'select'.
754 - strict'ify some modules.
755 - libcoro errornously restored the SIGUSR2 handler to SIGUSR1.
756 - use XSLoader in selected modules.
757 - remove some 5.6 compatibility cruft.
758
7591.4 Tue Sep 6 00:11:05 CEST 2005
760 - libcoro did not take into account the trampoline on amd64,
761 when 'l'inux method was used.
762
7631.31 Tue Aug 30 23:31:33 CEST 2005
764 - some portability fixes/workarounds.
765
7661.3 Sat Aug 20 03:08:56 CEST 2005
767 - no code changes. module seems to work fine.
768 - improve Coro::State docs, remove reference to nonexisting
769 Coro::State::flush method.
770 - no longer autodetect windows, present it as an option instead.
771
7721.2 Mon May 16 02:00:55 CEST 2005
773 - included libcoro.c earlier in State.xs, might improve portability.
774 - use a faster and possibly more stable Coro::Cont implementation.
775 - accept x86_64 in addition to amd64 for optimized linux-amd64 support.
776 - fix bugs Coro::SemaphoreSet that could cause locks never to be freed.
777 - fix bugs in CoroAPI.h and document it in Coro::MakeMaker.
778
7791.11 Thu Mar 3 18:00:52 CET 2005
780 - change of contact address.
781
7821.1 Tue Feb 22 20:51:16 CET 2005
783 - support [l]inux method on amd64.
784 - allow some context switches while compiling/eval'ing.
785
7861.0 Tue Aug 10 03:47:27 CEST 2004
787 - Event 0.89 fixes the bug again.
788 - fix the remaining(??) memleak. I didn't free the cache-AV for
789 padlists, so one AV per created anon-sub leaked.
790
7910.97 Fri May 14 15:23:32 CEST 2004
792 - remove stupid gcc extension that was an experiment only anyway.
793
7940.96 Thu May 13 18:09:29 CEST 2004
795 - tell people if they have yet another broken Event variant.
796 - made Coro to work _better_ with threads (it seems that, as long
797 as you use Coros in one thread only everything will work fine.
798 Looking at the perl source the problem might be missing locking
799 between Coro and some perl internal routines. That's not easily
800 fixable).
801 - (hopefully) got rid of the static xnext inside transfer.
802
8030.95 Sun Feb 15 03:20:28 CET 2004
804 - removed Coro::State::flush, implemented a new and much
805 faster caching mechanism by attaching magic to the CV.
806 - a memleak with (real) closures remains.
807 - dramatically reduced size of stacks to 65536 (linux/x86), after
808 observing that even myhttpd never had more than a kilobyte
809 of stack in use (stack is still only physically allocated in
810 pagesize increments for systems suporting mmap).
811 - fix for a "cygwin-64" architecture added, proposed by Stefan Traby.
812 - fix for threaded perl.
813
8140.9 Sun Nov 23 04:32:39 CET 2003
815 - fix a few very hard to track down but (of course) stupid
816 memory leaks.
817 - stringify version number to avoid locale problems :(.
818 - perl 5.9.0 does not have SvPADBUSY, reported by Scott Walters,
819 hopefully ignoring it "just works".
820
8210.8 Wed Nov 5 19:38:40 CET 2003
822 - port to perl5.005_03, but only 5.8.x+ is supported!
823 - honor LocalAddr even without LocalPort in Coro::Socket.
824
8250.7 Tue May 27 03:12:38 CEST 2003
826 - the version jump indicates some level of testing, not gobs
827 of new features.
828 - uh... I found the prompt function in ExtUtils::MakeMaker.
829 Highly correct stuff, that is...
830 - fixed(?) a bug with die's in coroutines causing "panic: top_env".
831 the fix is not well understood by the author, so beware :(.
832
8330.652 Thu May 8 02:54:46 CEST 2003
834 - Applied patch by Slaven Rezic to set default to "s" on FreeBSD,
835 cause version 4 doesn't have ucontext.
836 - Benjamin Reed reported that setjmp works fine on darwin,
837 so preselect it.
838
8390.651 Sat Mar 29 15:00:23 CET 2003
840 - fix a bug in Coro::Handle where some bytes could get lost
841 on reading, reported by jason@nichego.net.
842
8430.65 Sun Mar 23 00:08:26 CET 2003
844 - added a README.linux-glibc.
845 - new module Coro::Select.
846 - also save/restore PL_comppad, fixes segfaults with 5.8.1.
847 (I never claimed that I know what I am doing ;).
848 - set default to setjmp/longjmp on non-x86-linux.
849
8500.6 Thu Nov 21 11:09:06 CET 2002
851 - made lazy context switching the default.
852 - fixed the bug where SemaphoreSet::guard
853 was the same as timed_guard and timed_guard was missing.
854 - fix a memleak in Coro::Timer.
855 - reclassified context sharing as not experimental.
856
8570.534 Sun Apr 14 03:05:12 CEST 2002
858 - fixed backspace => tab in header parsing (myhttpd).
859 - added eg/readline, for elmex.
860 - Coro::Event now calls ->start on first call instead of
861 ->again, which created wrong timeouts for the first ->next.
862 - fixed a bug where Coro::Socket returned a closed socket instead
863 of nothing on ECONNREFUSED and similar error conditions.
864
8650.533 Mon Feb 18 18:49:40 CET 2002
866 - adapt to finally working Event-0.85.
867 - fixed buggy event initialization (trapped under windows, but how
868 could it possibly have worked anywhere?)
869
8700.532 Wed Jan 16 02:45:32 CET 2002
871 - removed the reference to pp_entersub, might work on
872 (some) win32 perls now (testsuite works under cygwin,
873 without Event, which freezes).
874
8750.531 Mon Dec 10 22:18:44 CET 2001
876 - Fixed a bug in SemaphoreSet::timed_down.
877
8780.53 Tue Nov 27 21:11:13 CET 2001
879 - some tests for Event.
880 - slightly different internal architecture to get refcnt into the object
881 and not the reference. might fix a few bugs, certainly did introduce
882 new ones.
883 - Coro::Timer (independent of Event).
884 - new timed_wait functions for Coro::Signal, Semaphore, SemaphoreSet.
885
8860.52 Tue Nov 6 21:36:18 CET 2001
887 - ported to cygwin (trivial).
888 patch by Gerrit P. Haase <gp@familiehaase.de>.
889 - small setjmp code fix by Sullivan.DanielJ@epamail.epa.gov.
890
8910.51 Thu Nov 1 20:39:01 CET 2001
892 - terminate/cancel now work properly (otherwise termination
893 could cause a "next coroutine is not and contains not..."
894 error.
895 - added Coro::Socket::shutdown.
896 - Coro::Event::loop no is the same as Event::loop.
897 - implemented terminate with args + join.
898
8990.5 Fri Sep 28 16:15:35 CEST 2001
900 - fixed "print" on a Coro::Handle. The print method worked.
901 - small tweaks (seem to reduce memory consumption a lot)
902 in various modules.
903 - splendid use of "no warnings" scattered throughout.
904 - added Coro::Handle::rbuf, fixed Coro::Handle::fh.
905
9060.49 Sun Sep 16 02:42:45 CEST 2001
907 - changed some method calls to function calls for speed
908 inside Coro::Handle.
909 - make Coro::Handle use an array instead of a hash for
910 speed reasons.
911 - IRIX mystery solved: it's SGI's NT, after all: "standard, huh?".
912 sjlj and ucontext should now work.
913 - IRIX-specific port for libcoro.
914 - swapped order of accept results to match IO::Socket.
915 - changed getsock/peername to sock/peername to match IO::Socket.
916 - fixed a bug that caused segfault when returning to main task
917 under some circumstances.
918 - other bugfixes.
919
9200.45 Sun Sep 2 02:54:01 CEST 2001
4 - new method Coro::Handle::timeout. 921 - new method Coro::Handle::timeout.
5 - corrected speling of set...name to get...name in Coro::Socket. 922 - corrected speling of set...name to get...name in Coro::Socket.
6 - Coro::Socket::accept now returns a Coro::Socket, not a Coro::Handle. 923 - Coro::Socket::accept now returns a Coro::Socket, not a Coro::Handle.
7 - Coro::Handle now supports fileno and FILENO. 924 - Coro::Handle now supports fileno and FILENO.
8 - added eg/myhttpd, a web server. 925 - added eg/myhttpd, a web server.
926 - Coro::Socket now accepts numeric ports as well as "port(number)"
927 syntax.
928 - moved some scheduling primitives into xs code. more to come.
929 - new simple priority system.
930 - implemented Coro::Event using XS, almost four times faster!
931 - small memory corruption problem fixed (boy that was difficult).
9 932
100.13 Wed Aug 8 16:53:07 CEST 2001 9330.13 Wed Aug 8 16:53:07 CEST 2001
11 - new method Coro::Handle::readline. 934 - new method Coro::Handle::readline.
12 - added eg/lwp and Coro::Handle::autoflush, to make LWP work. 935 - added eg/lwp and Coro::Handle::autoflush, to make LWP work.
13 (see eg/lwp on how to make LWP non-blocking). 936 (see eg/lwp on how to make LWP non-blocking).

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines