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

Comparing Coro/Changes (file contents):
Revision 1.108 by root, Sat Aug 20 01:10:01 2005 UTC vs.
Revision 1.356 by root, Thu May 29 03:31:52 2008 UTC

1Revision history for Perl extension Coro. 1Revision history for Perl extension Coro.
2
3TODO: should explore PerlIO::via::CoroCede and PerlIO::via::CoroAIO.
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)).
7
84.73
9 - fix a bug in Coro::EV which would cause it to block despite
10 there being runnable coroutines.
11 - sprinkle "no warnings" freely over everything, also suppress
12 warnings for some other modules.
13 - fix typo in WSAEWOULDBLOCK.
14
154.72 Sun May 25 05:14:36 CEST 2008
16 - tweak META.yaml a bit, unfortunately, there is no documented way
17 to have optional dependencies with CPAN. doh :(
18 - avoid running some tests on windows because they would fail due to
19 perl bug (broken fork, broken pipes...).
20 - work around perl on windows bugs where perl returns undocumented
21 error codes for sysread, syswrite etc. by taking advantage
22 of AnyEvent's workaround for that problem.
23 - use AnyEvent::Util::fh_nonblocking in Coro::Handle to work around
24 a common perl implementation bug on windows.
25 - use unix domain sockets in testsuite to work around
26 common perl implementation bugs on widows (they are emulated by
27 tcp sockets on windows. ugh.)
28
294.71 Sat May 24 20:01:27 CEST 2008
30 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()").
31 - take advantage of async name resolution of AnyEvent::Util.
32 - work around brutal inet_aton override in Coro::LWP.
33 - take advantage of the readyhook in Coro::EV, for smoother
34 scheduling.
35
364.7 Sun May 11 00:32:19 CEST 2008
37 - completely reworked the Coro manpage.
38 - added Coro::AnyEvent, generic event loop integration.
39 - implement cancel, ready and kill commands in Coro::Debug.
40 - document find_coro in Coro::Debug.
41 - incompatible change: rename has_stack to has_cctx.
42 - Coro::AIO and Coro::BDB no longer force event model detection,
43 use AnyEvent::AIO and AnyEvent::BDB.
44
454.6 Sat Apr 26 10:05:14 CEST 2008
46 - INCOMPATIBLE CHANGE: sub/code attributes are no longer supported
47 by the Coro module. It was a mistake to have it in the first place.
48 - (experimental) support for activestate perl 5.10 (method "w").
49 - (experimental) support for strawberry perl (method "a").
50 - coro_sigelem_set did not return a value although it had to,
51 actual impact unknown.
52
534.51 Mon Apr 14 13:28:27 CEST 2008
54 - make it compile again on 5.8.
55
564.50 Thu Apr 10 09:43:17 CEST 2008
57 - I did it twice! (see 4.49).
58
594.49 Sun Apr 6 21:23:31 CEST 2008
60 - grr, instead of compiling the recent changes on 5.10 only they
61 were compiled on 5.8 only.
62
634.48 Sun Apr 6 20:36:46 CEST 2008
64 - allow coroutine switches during eval's under 5.10.x, as it seems
65 the parser is a per-interpreter option now, so this is safe
66 (this might fix the odd crashing bug).
67 - drop support for 5.9.x versions: they are dead, jim.
68
694.47 Sun Apr 6 00:37:52 CEST 2008
70 - force cctx allocation on API calls: we know we need to force one
71 and gcc actually manages to confuse our heuristic nowadays,
72 leading to crashes and worse.
73 - document force_cctx.
74
754.46 Fri Apr 4 22:05:43 CEST 2008
76 - upgrade libcoro, resulting in pthread-backend (which was only created
77 to fulfill the rules of the programming languages shootout).
78
794.45 Thu Mar 13 11:55:36 CET 2008
80 - fix a file leaking bug in eg/mhyttpd that would allow
81 downloading of any file (reported by oesi).
82 - fix deadlock bug in Coro::Channel (reported by Richard Hundt)
83 (also add testcase).
84 - support Broadcast option in Coro::Socket (patch by Richard Hundt,
85 apparently having loads of fun with that).
86 - implement $state->swap_defsv, ->swap_defav and document ->throw.
87
884.4 Wed Feb 13 16:44:29 CET 2008
89 - only assume .cfi pseudo isns exist on GNU/Linux.
90 - add get_timed method to Coro::Channels.
91 - fixed Coro::Debug manpage.
92 - perl 5.11 compatbility improvement based on patch by
93 Andreas König.
94
954.37 Sun Jan 20 11:25:23 CET 2008
96 - soften the check for an active parser for perl 5.10 (avoiding
97 "Coro::State::transfer called while parsing" in many cases).
98
994.36 Sun Jan 13 10:53:56 CET 2008
100 - reset diehook when terminating from an async_pool as to not
101 trigger any __DIE__ handlers.
102
1034.35 Sun Jan 13 04:14:13 CET 2008
104 - "bt" debug command now displays any exceptions
105 from longmess and also skips the innermost
106 stackframes, giving more useufl output.
107 - allow backtraces in coroutines blocked in Coro::EV,
108 at a <1% speed hit.
109 - handle localising of $SIG{__WARN__} and __DIE__
110 properly (with a proper amount of dirty hacking).
111
1124.34 Sat Dec 22 17:49:53 CET 2007
113 - upgrade to EV version 2.0 API.
114
1154.33 Mon Dec 17 08:36:12 CET 2007
116 - make Coro::AIO etc. loadable in the absence of EV.
117
1184.32 Mon Dec 17 07:46:02 CET 2007
119 - majorly improved Coro::Handle's performance with Coro::EV.
120 - implemented the until now mythical Coro::BDB module.
121 - specialcase EV in Coro::AIO and Coro::BDB for extra speed.
122
1234.31 Wed Dec 5 12:32:39 CET 2007
124 - remove warn statement form Coro::Util.
125
1264.3 Tue Dec 4 20:33:14 CET 2007
127 - calls to the idle function could cause stack corruption
128 when the stack changed.
129 - do no longer rely on the presence of EV::DNS if EV is used
130 (because it is gone), but instead take avdantage of EV::ADNS
131 if available.
132 - add ($) prototypes to all functions in Coro::Storable.
133 - use a conventional (safer) idle callback in Coro::EV.
134 - do accept quickly in Coro::Debug to avoid endless loops.
135
1364.22 Fri Nov 30 16:04:04 CET 2007
137 - really use optimised versions for Event and EV in Coro::Util
138 and Coro::Handle.
139
1404.21 Sun Nov 25 10:48:59 CET 2007
141 - fix a spurious memory read.
142 - Coro::EV no longer keeps the eventloop "alive".
143
1444.2 Fri Nov 9 20:47:05 CET 2007
145 - enable/disable tracing from a new coroutine, not a pooled one.
146 - fix a memleak in Coro::Event.
147 - removed killall call from fork_eval.
148 - made sure store_fd is already loaded so that fork_eval
149 does not have to parse autoload in each subprocess.
150 - only use assembly method if -O switch is in $Config{optimize}.
151 - add (optional) Coro::EV module, so far the best event loop module
152 directly supported by Coro.
153 - if the event model is EV, use EV::DNS to resolve
154 stuff in Coro::Util.
155 - don't get confused by multiple event notifications in Coro::Handle.
156 - initial support for EV (libevent interface).
157 - require Event and EV using configure_requires, to force their existance.
158
1594.13 Wed Oct 24 07:26:45 CEST 2007
160 - add Coro::Storable::blocking_thaw.
161 - use a vastly more complicated technique to localise
162 $SIG{__WARN/DIE__} that also works on perls <= 5.8.8.
163 - use a coroutine for the idle callback Coro::Event,
164 instead of running Event in the current coroutine context.
165 This also catches recursive invocations.
166 - actually report fork errors in gethostbyname and inet_aton.
167
1684.11 Thu Oct 11 02:40:24 CEST 2007
169 - port to threaded perls.
170
1714.1 Thu Oct 11 02:38:16 CEST 2007
172 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now
173 be local to each coro (see Coro::State).
174 - incompatible change: for very deep reasons, cede and cede_notself
175 cannot return anything, so nothing will be returned.
176 - possibly bring back 5.10 compatibility (untested).
177 - work around stupid (and wrong) warning on 5.10 :(.
178 - overlay the saved state over the context stack. This saves
179 a few hundred bytes per coroutine on average and also
180 speeds up context switching a bit.
181 - further tune default stack sizes.
182 - (more) correctly calculate stack usage in coro_rss.
183 - Coro::Storable::blocking_* did not properly lock
184 resulting in races between coroutines.
185 - added Coro::Storable::guard.
186 - stopping to trace a coroutine could destroy the cctx of
187 an unrelated coroutine.
188 - explain the relationship between Perl and C coroutines in
189 more detail in Coro::State.
190 - Coro::Util::inet_aton did not short-circuit dotted quad forms,
191 causing a fork per resolve. This also affected Coro::Socket.
192 - switch to a separate stack in $coro->call/eval to avoid
193 invalidating pointers.
194
1954.03 Sat Oct 6 21:24:00 CEST 2007
196 - added Coro::throw method.
197 - minor code cleanups.
198
1994.02 Sat Oct 6 02:36:47 CEST 2007
200 - fix a very minor per-coroutine memleak (a single codereference).
201 - fixed a bug where the currently in-use c context would be freed
202 prematurely (can happen only when programs change the stacksize
203 or use tracing).
204 - tracing can no longer keep a coro alive after it terminated.
205 - do static branch prediction in the common path for gcc. gives
206 about 2-5% speed improvement here.
207
2084.01 Fri Oct 5 22:10:49 CEST 2007
209 - instead of recreating *a* standard output handle we simply
210 use STDOUT, which is faster and hopefully more robust.
211
2124.0 Fri Oct 5 12:56:00 CEST 2007
213 - incompatibly changed Coro::Storable::freeze.
214 - major new feature: added Coro::Debug, for interactive coroutine
215 debugging, tracing and much more.
216 - major bug fix: unbelievable, but true: $_, $/ and many other
217 "saved" variables actually weren't being saved. This has been fixed,
218 of course, while increasing performance while losing all the save
219 flags.
220 - save flags are gone, and all the api functions dealing with them.
221 - added Coro::Semaphore::adjust.
222 - added Coro::Util::fork_eval.
223 - added Coro::Storable::{nfreeze,blocking_{freeze,nfreeze}}.
224 - added Coro::killall.
225 - reduce initial stack sizes to allow for "micro-coroutines".
226 - better async_pool resource management, moved parts of async_pool
227 handling to XS (major speed improvement).
228 - actually croak before modifying important data structures.
229 - refuse to transfer while compiling.
230 - possibly support eval EXPR better now.
231 - enable assembly per default on linux+bsd x86+amd64.
232 - all internal members were renamed _something for easier subclassing.
233 - many minor tweaks.
234
2353.63 Wed May 16 14:10:06 CEST 2007
236 - implement handcoded assembly for x86/amd64 SVR ABI.
237
2383.62 Fri Apr 27 21:36:06 CEST 2007
239 - upgrade libcoro (which might set unwind info correctly).
240 - change default on linux to setjmp/longjmp.
241
2423.61 Thu Apr 19 12:36:18 CEST 2007
243 - Coro::Storable caused an endless loop when thawing invalid
244 pst's sometimes.
245 - use a Semaphore in Coro::Storable, as Storable doesn't
246 seem to be reentrant (although it is documented to
247 be threadsafe...).
248 - fix Coro::Signal to bring back the original unreliable
249 but stateful semantics.
250 - fixed a lot of typos in Coro.pm (patch submitted by David
251 Steinbrunner, which applied flawlessly).
252
2533.6 Sat Apr 14 17:13:31 CEST 2007
254 - added some bugfixes to get eg/myhttpd working again.
255 - added Coro::Storable for often-cede'ing freeze/thaw.
256 - try to do a clean exit when a coroutine calls exit
257 (EXPERIMENTAL).
258 - got rid of indirect call through _coro_init.
259 - updated the partly antique examples in eg/ to
260 work again and be a bit less magic, too.
261 - fixed Coro::Signal semantics to work as documented again.
262
2633.55 Sun Mar 25 01:20:47 CET 2007
264 - add SAVE_DEFFH to save the default filehandle and enable
265 it by default.
266 - finally move socket-operations from Coro::Socket to Coro::Handle
267 to be able to unblock foreign sockets.
268 - add Coro::State::save_also and guarded_save.
269 - add count accessor to Coro::Semaphore.
270 - add Coro::State::cctx_stacksize.
271 - just for the fun of it, do not rely on implicit context,
272 which can dramatically improve performance, but people
273 using windows-process-emulation perls do not care much about
274 performance.
275
2763.51 Sun Mar 4 14:18:04 CET 2007
277 - fixed a problem when you weakened references to Coro::State's
278 (patch by Yuval Kogman).
279
2803.501 Wed Feb 28 12:44:07 CET 2007
281 - rename some global symbols as macosx from hell redefines
282 them without asking.
283
2843.5 Tue Feb 13 20:22:53 CET 2007
285 - do AnyEvent model detection earlier, avoiding problems
286 caused by first using AnyEvent and later Coro::Event.
287 - implement and document Coro::Event event objects.
288 - fix a potential problem in Coro::Event causing crashes.
289 - initialise PL_comppad when creating a new coroutine,
290 avoids crashes on early coro destruction.
291
2923.41 Mon Jan 22 19:19:49 CET 2007
293 - readline on Coro::Handle did not support undefined $/,
294 nor did it deliver partial lines on EOF or error.
295 - implement malloc fallback for stack allocation because
296 stupid broken idiotic OSX has a stupid broken
297 idiotic fits-the-whole-os mmap "implementation" and
298 my dick feels longer if Coro is portable even to
299 obsolete platforms.
300
3013.4 Fri Jan 19 21:52:54 CET 2007
302 - remove t/09_timer.t, as it isn't really testing much
303 but was rather flaky in practise.
304 - async_pool coro would keep arguments and callback alive until
305 it was reused.
306 - cancellation of a coroutine could cause spurious idle calls
307 in cede_notself.
308
3093.3 Sat Jan 6 03:45:00 CET 2007
310 - implement $coro->on_destroy.
311 - Coro::Event blocking semantics have been changed,
312 documented and - hopefully - improved.
313 - fix nice adding, not subtracting, from priority.
314 - fix ->prio and api_is_ready (patch by Mark Hinds).
315 - fixed an assert ("... == prev__cctx->idle_te")
316 that could errronously trigger.
317 - fix various large and small memleaks.
318 - use a (hopefully) more stable cancel implementation
319 that immediately frees the coroutine data.
320 - cede/cede_notself return a status now.
321 - added Coro::guard function.
322 - added a global coroutine pool for jobs (on my machine,
323 I can create and execute 48k simple coros/s with async,
324 and 128k coros with async_pool).
325 - Coro::AIO now uses the coroutine priority as io priority.
326
3273.2 Fri Dec 22 05:07:09 CET 2006
328 - improve portability to slightly older perls.
329 - use cleaner coroutine destruction.
330 - simplify configuration for users.
331 - optionally (unrecommended) prefer perl functions over
332 their coro replacements.
333
3343.11 Tue Dec 5 13:11:24 CET 2006
335 - fixed some bogus assert's, but as perl.h disables assert even
336 without NDEBUG (thank you very much), not too many people should
337 notice (that did include myself). Andreas König noticed, though :)
338 - do not save/restore PL_sortcxix on >= 5.9.x, it doesn't seem to have
339 it. Also noticed by Andreas König :)
340 - save/restore tainted status.
341 - verified to pass the testsuite on my 5.9.5.
342
3433.1 Mon Dec 4 23:03:40 CET 2006
344 - INCOMPATIBLE CHANGE: $/ is now per-coroutine (but slow).
345 - incompatible change: transfer flags are now per-state.
346 - give a better error message on deadlock.
347 - document Coro::nready.
348 - enhanced testsuite.
349
3503.01 Sun Dec 3 23:47:42 CET 2006
351 - forgot to include Coro::Timer.
352
3533.0 Sun Dec 3 22:57:25 CET 2006
354 - the "FINALLY COMPLETELY STABLE" release (coming soon:
355 the "FAMOUS LAST WORDS" release).
356 - implement a new stack sharing algorithm, which uses a stack
357 pool (size currently hardcoded).
358 - make stack sharing mandatory (it no longer uses a heuristic).
359 - eval/die no longer cause weird problems under heavy use.
360 - Coro::Event could cause livelocks if it was used but
361 no Coro::Event watchers were used.
362 - Coro::Event now uses asynccheck as prepare does not
363 check for changed watchers.
364 - Coro::Event allows multiple waiting coros and will wake up one
365 per event.
366 - Coro::Event should be cleaner and more efficient now.
367 - new utility function Coro::unblock_sub.
368 - document the sad fact that Event is no longer reentrant.
369 - putting a coroutine into the ready queue twice could under
370 some circumstances lead to stack corruption.
371 - minor incompatibility: subclassing Coro::State is supported
372 directly now without going through a _coro_state member.
373 - state/coro switching is much faster now.
374 - very minor optimisations and code/documentation cleanup.
375 - avoid problems due to compiler inlining.
376 - removed timers from Coro::Timer -> use AnyEvent instead.
377 - replaced Coro::idle coroutine by (cleaner) idle handler.
378 - updated to newest libcoro.
379 - implement enhanced support for valgrind.
380 - implement is_ready and return value for ready.
381 - removed Coro::Cont, it was a misnomer (it's generators),
382 and it was somewhat annoying to get it right. Will come back
383 if somebody asks for it :)
384 - many ->wait methods and Coro::Event could return
385 spuriously without the event having happened.
386
3872.5 Tue Nov 7 12:22:33 CET 2006
388 - made Coro::Util, Coro::Select, Coro::Handle and Coro::Socket
389 use AnyEvent, moved them to Coro/.
390 - added Coro::LWP which contains all the uglyness required to
391 make LWP non-blocking.
392 - should work with perl 5.9.x now (Andreas König made me do it).
393 - fixed another bug in Coro::Select when the timeout was undef.
394 - reuse PL_start_env for all coros, saves some memory per coroutine.
395 - manage PL_top_env differently, hopefully to avoid panic: top_env.
396 - timeout argument was not properly used in Coro::Socket.
397 - allow limited forms of subclassing in Coro::Handle/Coro::Socket.
398 - emulate undocumented(!) functionality of IO::Socket required
399 by LWP(!!).
400 - updated eg/lwp to work with newer lwp's.
401 - remove "FATAL: uncaught exception" prefix. Coroutines that die
402 kill the whole process, just as exceptions in the main "coroutine"
403 did already.
404
4052.1 Wed Nov 1 23:01:13 CET 2006
406 - fix a long-standing bug in Coro::Select where select with
407 zero timeout would instead change the current default filehandle.
408 - use a simpler and hopefully more robust way to clone padlists
409 (uses less memory and a perl function instead of our own).
410 - coro can now create a stack guard area on many architectures.
411 - Coro::AIO properly reexports additional functions from IO::AIO.
412 - updated libcoro with a workaround for OS X,
413 pach and testing by Michael Schwern.
414
4152.0 Tue Oct 24 05:47:17 CEST 2006
416 - support additional aio requests in Coro::AIO.
417
4181.9 (never properly released due to a glitch)
419
4201.8 Thu Feb 2 00:59:06 CET 2006
421 - applied suggested patch by SAMV to avoid problems during stupid
422 mark & sweep gc run.
423 - applied patch by Scott Walters for 5.9.3 compatibility.
424
4251.7 Tue Dec 27 01:41:58 CET 2005
426 - added Coro::AIO, a thin wrapper around IO::AIO.
427 - improved Makefile.PL explanations.
428
4291.6 Mon Dec 12 21:30:05 CET 2005
430 - additionally save PM_curpm might fix as-of-yet
431 unseen problems with regex matches being attributed to the
432 wrong package.
433 - add t/10_bugs.t, which currently checks against imho broken
434 perls that use 0.26MB of stack space per Perl_magic_get
435 invocation (newer linuxes) as opposed to the 0.0002MB perl
436 normally uses.
437 - make stacksize configurable for the ultimate debian experience.
438
4391.51 Mon Dec 12 18:48:36 CET 2005
440 - remove debugging warn() accidentally left in Coro::Select.
441
4421.5 Tue Nov 29 13:32:44 CET 2005
443 - use Coro::Event inside Coro::Select to avoid spurious deadlocks.
444 - fix Coro::Select 'select'.
445 - strict'ify some modules.
446 - libcoro errornously restored the SIGUSR2 handler to SIGUSR1.
447 - use XSLoader in selected modules.
448 - remove some 5.6 compatibility cruft.
449
4501.4 Tue Sep 6 00:11:05 CEST 2005
451 - libcoro did not take into account the trampoline on amd64,
452 when 'l'inux method was used.
453
4541.31 Tue Aug 30 23:31:33 CEST 2005
455 - some portability fixes/workarounds.
2 456
31.3 Sat Aug 20 03:08:56 CEST 2005 4571.3 Sat Aug 20 03:08:56 CEST 2005
4 - no code changes. module seems to work fine. 458 - no code changes. module seems to work fine.
5 - improve Coro::State docs, remove reference to nonexisting 459 - improve Coro::State docs, remove reference to nonexisting
6 Coro::State::flush method. 460 Coro::State::flush method.
161.11 Thu Mar 3 18:00:52 CET 2005 4701.11 Thu Mar 3 18:00:52 CET 2005
17 - change of contact address. 471 - change of contact address.
18 472
191.1 Tue Feb 22 20:51:16 CET 2005 4731.1 Tue Feb 22 20:51:16 CET 2005
20 - support [l]inux method on amd64. 474 - support [l]inux method on amd64.
21 - make some context switches while compiling/eval'ing work. 475 - allow some context switches while compiling/eval'ing.
22 476
231.0 Tue Aug 10 03:47:27 CEST 2004 4771.0 Tue Aug 10 03:47:27 CEST 2004
24 - Event 0.89 fixes the bug again. 478 - Event 0.89 fixes the bug again.
25 - fix the remaining(??) memleak. I didn't free the cache-AV for 479 - fix the remaining(??) memleak. I didn't free the cache-AV for
26 padlists, so one AV per created anon-sub leaked. 480 padlists, so one AV per created anon-sub leaked.

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines