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Comparing Coro/Changes (file contents):
Revision 1.201 by root, Fri Jan 19 20:53:21 2007 UTC vs.
Revision 1.406 by root, Thu Nov 13 06:15:37 2008 UTC

1Revision history for Perl extension Coro. 1Revision history for Perl extension Coro.
2 2
3TODO: better (earlier) error messages on broken transfer's 3TODO: should explore PerlIO::coroaio (perl leaks like hell).
4TODO: destroy gets only called on cancel: fix(?) 4TODO: maybe implement a default message channel, very much like Erlang's
5TODO: fast reloads in cf cause segfaults (coro_state_free->destroy->crash) 5 actor model (which is cool in a lot of important aspects (failures!),
6 but very lacking in others (higher level ipc)).
7
8 - minor cleanups.
9 - use much larger stacks on linux and perl < 5.8.8.
10 - Coro::Debug::new_unix_server did not unlink the socket
11 when destroyed.
12
134.911 Tue Nov 11 04:26:17 CET 2008
14 - "port" to threaded perls.
15
164.91 Mon Nov 10 05:36:38 CET 2008
17 - the ->throw exception object no longer leaks.
18 - creating a new cctx leaked a scopestack entry (memleak).
19 - new coroutines didn't get created with a zero flags field
20 (unknown impact).
21 - calling ->throw on a not-yet-started coroutine should now work
22 instead of being ignored.
23 - ->throw is now supported on Coro::State objects.
24 - clean up cctx creation code a bit.
25 - entersub is actually a UNOP, not a LOGOP (not a bugfix).
26
274.9 Sat Nov 8 17:45:27 CET 2008
28 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there).
29 - (libcoro) no longer leak threads in the experimental pthread backend,
30 also speed it up considerably.
31 - (libcoro) do not rely on makecontext passing void *'s unscathed.
32 - fix compiletime dependencies on libcoro in the Makefile.
33 - cctx_count wasn't always updated properly.
34 - Coro::State::cctx_stacksize wasn't applied correctly.
35 - new function Coro::State::cctx_max_idle.
36 - the default max number of idle C contexts is now 4.
37 - (libcoro) try harder to get _setjmp/_longjmp.
38 - (libcoro) cleanup and extend the libcoro API to officially
39 allow the creation of empty source contexts.
40 - very experimental workaround for the totally broken netbsd platform.
41 - tried to hack around openbsd bugs.
42
434.804 Wed Nov 5 16:36:00 CET 2008
44 - Coro::Debug::new_unix_server would not create a non-blocking listening
45 socket, sometimes causing freezes.
46 - (libcoro) fix misaligned stack points for setjmp and assembly
47 methods, which can cause crashes on x86/x86_64 with a sufficiently
48 aggressive compiler.
49 - new function: Coro::Debug::new_tcp_server.
50 - move ->throw into the Coro class because it only works on coro objects.
51
524.803 Mon Nov 3 17:16:12 CET 2008
53 - (libcoro) use a global asm statement to become independent of gcc
54 otpimisations for CORO_ASM (thanks to pippijn for the idea).
55 - try to workaround yet another broken bsd, this time dragonfly.
56
574.802 Thu Oct 30 10:56:12 CET 2008
58 - support -fno-omit-frame-pointer on x86 with the assembly method.
59 - tune 01_unblock.t tests a bit.
60
614.801 Wed Oct 22 18:33:37 CEST 2008
62 - improve readline speed for very long "lines".
63 - backport to 5.8.8.
64
654.8 Thu Oct 2 13:34:40 CEST 2008
66 - new function Coro::AIO::aio_wait.
67 - Coro.:AIO and Coro::BDB now "use Coro::AnyEvent".
68 - greatly speed up and reduce memory usage of Coro::AIO requests.
69 - implement some other µ-optimisations.
70
714.749 Mon Sep 29 14:40:12 CEST 2008
72 - port to slow and broken pseudo-threaded perls. (courtesy pippijn).
73
744.748 Sat Sep 27 14:03:19 CEST 2008
75 - implement, but do not document, PerlIO::cede(granularity).
76 - Coro::Storable forgot to wrap Storable::pstore.
77 - work around the multitude of leaks and memory corruption
78 bugs in PerlIO::via by using our own C-level perliol. As a side
79 effect, Coro::Storable is now much, much, much faster.
80
814.747 Tue Sep 23 01:59:41 CEST 2008
82 - fix a per-cv memleak (one empty array was leaked per
83 code reference).
84 - avoid a crash in coro->call|rss when the coroutine was already
85 destroyed (most noticably when using Coro::Debug::ps :)
86 - also protect *Storable::FILE.
87 - push up default storable granularity to 20ms.
88
894.746 Sun Sep 21 03:22:20 CEST 2008
90 - be more insistent on locking Storable against reentrancy
91 in Coro::Storable.
92 - move swap_def?v and throw to Coro::State, as documented.
93
944.745 Thu Jul 24 00:14:38 CEST 2008
95 - remove debugging code related to MgPV_nolen_const, also try to
96 make it compile with perl 5.8.6 (yes, apple apparently loves
97 outdated software). Reported by John S.
98
994.744 Tue Jul 8 22:06:35 CEST 2008
100 - correctly provide default DIE/WARN handlers as documented.
101 - also overwrite PL_vtbl_sigelem.svt_clear, even though current
102 implementations inside perl work fine for us.
103
1044.743 Mon Jun 16 00:21:57 CEST 2008
105 - when using Coro::EV without running EV::loop it could
106 result in busy-waiting for events, this has been fixed.
107 - reduce codesize and improve performance by using EV_DEFAULT_UC.
108
1094.742 Sat May 31 14:10:21 CEST 2008
110 - implement a workaround for (some) perl <5.8.8 versions.
111 - require EV 3.3+.
112
1134.741 Fri May 30 23:33:09 CEST 2008
114 - tell netbsd how utterly broken their imitation of an OS is
115 and refuse to build by default if pthreads are in use.
116 - switch to "s" method on all bsd's by default, as their ucontext
117 stuff seems just too broken.
118 - fix a bug in Coro::Select.
119
1204.74 Thu May 29 20:05:31 CEST 2008
121 - do not test Coro::LWP for lack of dependencies.
122 - do not test Coro::Select for lack of working perls.
123
1244.73 Thu May 29 2008
125 - fix a bug in Coro::EV which would cause it to block despite
126 there being runnable coroutines.
127 - sprinkle "no warnings" freely over everything, also suppress
128 warnings for some other modules.
129 - fix typo in WSAEWOULDBLOCK.
130
1314.72 Sun May 25 05:14:36 CEST 2008
132 - tweak META.yaml a bit, unfortunately, there is no documented way
133 to have optional dependencies with CPAN. doh :(
134 - avoid running some tests on windows because they would fail due to
135 perl bug (broken fork, broken pipes...).
136 - work around perl on windows bugs where perl returns undocumented
137 error codes for sysread, syswrite etc. by taking advantage
138 of AnyEvent's workaround for that problem.
139 - use AnyEvent::Util::fh_nonblocking in Coro::Handle to work around
140 a common perl implementation bug on windows.
141 - use unix domain sockets in testsuite to work around
142 common perl implementation bugs on widows (they are emulated by
143 tcp sockets on windows. ugh.)
144
1454.71 Sat May 24 20:01:27 CEST 2008
146 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()").
147 - take advantage of async name resolution of AnyEvent::Util.
148 - work around brutal inet_aton override in Coro::LWP.
149 - take advantage of the readyhook in Coro::EV, for smoother
150 scheduling.
151
1524.7 Sun May 11 00:32:19 CEST 2008
153 - completely reworked the Coro manpage.
154 - added Coro::AnyEvent, generic event loop integration.
155 - implement cancel, ready and kill commands in Coro::Debug.
156 - document find_coro in Coro::Debug.
157 - incompatible change: rename has_stack to has_cctx.
158 - Coro::AIO and Coro::BDB no longer force event model detection,
159 use AnyEvent::AIO and AnyEvent::BDB.
160
1614.6 Sat Apr 26 10:05:14 CEST 2008
162 - INCOMPATIBLE CHANGE: sub/code attributes are no longer supported
163 by the Coro module. It was a mistake to have it in the first place.
164 - (experimental) support for activestate perl 5.10 (method "w").
165 - (experimental) support for strawberry perl (method "a").
166 - coro_sigelem_set did not return a value although it had to,
167 actual impact unknown.
168
1694.51 Mon Apr 14 13:28:27 CEST 2008
170 - make it compile again on 5.8.
171
1724.50 Thu Apr 10 09:43:17 CEST 2008
173 - I did it twice! (see 4.49).
174
1754.49 Sun Apr 6 21:23:31 CEST 2008
176 - grr, instead of compiling the recent changes on 5.10 only they
177 were compiled on 5.8 only.
178
1794.48 Sun Apr 6 20:36:46 CEST 2008
180 - allow coroutine switches during eval's under 5.10.x, as it seems
181 the parser is a per-interpreter option now, so this is safe
182 (this might fix the odd crashing bug).
183 - drop support for 5.9.x versions: they are dead, jim.
184
1854.47 Sun Apr 6 00:37:52 CEST 2008
186 - force cctx allocation on API calls: we know we need to force one
187 and gcc actually manages to confuse our heuristic nowadays,
188 leading to crashes and worse.
189 - document force_cctx.
190
1914.46 Fri Apr 4 22:05:43 CEST 2008
192 - upgrade libcoro, resulting in pthread-backend (which was only created
193 to fulfill the rules of the programming languages shootout).
194
1954.45 Thu Mar 13 11:55:36 CET 2008
196 - fix a file leaking bug in eg/mhyttpd that would allow
197 downloading of any file (reported by oesi).
198 - fix deadlock bug in Coro::Channel (reported by Richard Hundt)
199 (also add testcase).
200 - support Broadcast option in Coro::Socket (patch by Richard Hundt,
201 apparently having loads of fun with that).
202 - implement $state->swap_defsv, ->swap_defav and document ->throw.
203
2044.4 Wed Feb 13 16:44:29 CET 2008
205 - only assume .cfi pseudo isns exist on GNU/Linux.
206 - add get_timed method to Coro::Channels.
207 - fixed Coro::Debug manpage.
208 - perl 5.11 compatbility improvement based on patch by
209 Andreas König.
210
2114.37 Sun Jan 20 11:25:23 CET 2008
212 - soften the check for an active parser for perl 5.10 (avoiding
213 "Coro::State::transfer called while parsing" in many cases).
214
2154.36 Sun Jan 13 10:53:56 CET 2008
216 - reset diehook when terminating from an async_pool as to not
217 trigger any __DIE__ handlers.
218
2194.35 Sun Jan 13 04:14:13 CET 2008
220 - "bt" debug command now displays any exceptions
221 from longmess and also skips the innermost
222 stackframes, giving more useufl output.
223 - allow backtraces in coroutines blocked in Coro::EV,
224 at a <1% speed hit.
225 - handle localising of $SIG{__WARN__} and __DIE__
226 properly (with a proper amount of dirty hacking).
227
2284.34 Sat Dec 22 17:49:53 CET 2007
229 - upgrade to EV version 2.0 API.
230
2314.33 Mon Dec 17 08:36:12 CET 2007
232 - make Coro::AIO etc. loadable in the absence of EV.
233
2344.32 Mon Dec 17 07:46:02 CET 2007
235 - majorly improved Coro::Handle's performance with Coro::EV.
236 - implemented the until now mythical Coro::BDB module.
237 - specialcase EV in Coro::AIO and Coro::BDB for extra speed.
238
2394.31 Wed Dec 5 12:32:39 CET 2007
240 - remove warn statement form Coro::Util.
241
2424.3 Tue Dec 4 20:33:14 CET 2007
243 - calls to the idle function could cause stack corruption
244 when the stack changed.
245 - do no longer rely on the presence of EV::DNS if EV is used
246 (because it is gone), but instead take avdantage of EV::ADNS
247 if available.
248 - add ($) prototypes to all functions in Coro::Storable.
249 - use a conventional (safer) idle callback in Coro::EV.
250 - do accept quickly in Coro::Debug to avoid endless loops.
251
2524.22 Fri Nov 30 16:04:04 CET 2007
253 - really use optimised versions for Event and EV in Coro::Util
254 and Coro::Handle.
255
2564.21 Sun Nov 25 10:48:59 CET 2007
257 - fix a spurious memory read.
258 - Coro::EV no longer keeps the eventloop "alive".
259
2604.2 Fri Nov 9 20:47:05 CET 2007
261 - enable/disable tracing from a new coroutine, not a pooled one.
262 - fix a memleak in Coro::Event.
263 - removed killall call from fork_eval.
264 - made sure store_fd is already loaded so that fork_eval
265 does not have to parse autoload in each subprocess.
266 - only use assembly method if -O switch is in $Config{optimize}.
267 - add (optional) Coro::EV module, so far the best event loop module
268 directly supported by Coro.
269 - if the event model is EV, use EV::DNS to resolve
270 stuff in Coro::Util.
271 - don't get confused by multiple event notifications in Coro::Handle.
272 - initial support for EV (libevent interface).
273 - require Event and EV using configure_requires, to force their existance.
274
2754.13 Wed Oct 24 07:26:45 CEST 2007
276 - add Coro::Storable::blocking_thaw.
277 - use a vastly more complicated technique to localise
278 $SIG{__WARN/DIE__} that also works on perls <= 5.8.8.
279 - use a coroutine for the idle callback Coro::Event,
280 instead of running Event in the current coroutine context.
281 This also catches recursive invocations.
282 - actually report fork errors in gethostbyname and inet_aton.
283
2844.11 Thu Oct 11 02:40:24 CEST 2007
285 - port to threaded perls.
286
2874.1 Thu Oct 11 02:38:16 CEST 2007
288 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now
289 be local to each coro (see Coro::State).
290 - incompatible change: for very deep reasons, cede and cede_notself
291 cannot return anything, so nothing will be returned.
292 - possibly bring back 5.10 compatibility (untested).
293 - work around stupid (and wrong) warning on 5.10 :(.
294 - overlay the saved state over the context stack. This saves
295 a few hundred bytes per coroutine on average and also
296 speeds up context switching a bit.
297 - further tune default stack sizes.
298 - (more) correctly calculate stack usage in coro_rss.
299 - Coro::Storable::blocking_* did not properly lock
300 resulting in races between coroutines.
301 - added Coro::Storable::guard.
302 - stopping to trace a coroutine could destroy the cctx of
303 an unrelated coroutine.
304 - explain the relationship between Perl and C coroutines in
305 more detail in Coro::State.
306 - Coro::Util::inet_aton did not short-circuit dotted quad forms,
307 causing a fork per resolve. This also affected Coro::Socket.
308 - switch to a separate stack in $coro->call/eval to avoid
309 invalidating pointers.
310
3114.03 Sat Oct 6 21:24:00 CEST 2007
312 - added Coro::throw method.
313 - minor code cleanups.
314
3154.02 Sat Oct 6 02:36:47 CEST 2007
316 - fix a very minor per-coroutine memleak (a single codereference).
317 - fixed a bug where the currently in-use c context would be freed
318 prematurely (can happen only when programs change the stacksize
319 or use tracing).
320 - tracing can no longer keep a coro alive after it terminated.
321 - do static branch prediction in the common path for gcc. gives
322 about 2-5% speed improvement here.
323
3244.01 Fri Oct 5 22:10:49 CEST 2007
325 - instead of recreating *a* standard output handle we simply
326 use STDOUT, which is faster and hopefully more robust.
327
3284.0 Fri Oct 5 12:56:00 CEST 2007
329 - incompatibly changed Coro::Storable::freeze.
330 - major new feature: added Coro::Debug, for interactive coroutine
331 debugging, tracing and much more.
332 - major bug fix: unbelievable, but true: $_, $/ and many other
333 "saved" variables actually weren't being saved. This has been fixed,
334 of course, while increasing performance while losing all the save
335 flags.
336 - save flags are gone, and all the api functions dealing with them.
337 - added Coro::Semaphore::adjust.
338 - added Coro::Util::fork_eval.
339 - added Coro::Storable::{nfreeze,blocking_{freeze,nfreeze}}.
340 - added Coro::killall.
341 - reduce initial stack sizes to allow for "micro-coroutines".
342 - better async_pool resource management, moved parts of async_pool
343 handling to XS (major speed improvement).
344 - actually croak before modifying important data structures.
345 - refuse to transfer while compiling.
346 - possibly support eval EXPR better now.
347 - enable assembly per default on linux+bsd x86+amd64.
348 - all internal members were renamed _something for easier subclassing.
349 - many minor tweaks.
350
3513.63 Wed May 16 14:10:06 CEST 2007
352 - implement handcoded assembly for x86/amd64 SVR ABI.
353
3543.62 Fri Apr 27 21:36:06 CEST 2007
355 - upgrade libcoro (which might set unwind info correctly).
356 - change default on linux to setjmp/longjmp.
357
3583.61 Thu Apr 19 12:36:18 CEST 2007
359 - Coro::Storable caused an endless loop when thawing invalid
360 pst's sometimes.
361 - use a Semaphore in Coro::Storable, as Storable doesn't
362 seem to be reentrant (although it is documented to
363 be threadsafe...).
364 - fix Coro::Signal to bring back the original unreliable
365 but stateful semantics.
366 - fixed a lot of typos in Coro.pm (patch submitted by David
367 Steinbrunner, which applied flawlessly).
368
3693.6 Sat Apr 14 17:13:31 CEST 2007
370 - added some bugfixes to get eg/myhttpd working again.
371 - added Coro::Storable for often-cede'ing freeze/thaw.
372 - try to do a clean exit when a coroutine calls exit
373 (EXPERIMENTAL).
374 - got rid of indirect call through _coro_init.
375 - updated the partly antique examples in eg/ to
376 work again and be a bit less magic, too.
377 - fixed Coro::Signal semantics to work as documented again.
378
3793.55 Sun Mar 25 01:20:47 CET 2007
380 - add SAVE_DEFFH to save the default filehandle and enable
381 it by default.
382 - finally move socket-operations from Coro::Socket to Coro::Handle
383 to be able to unblock foreign sockets.
384 - add Coro::State::save_also and guarded_save.
385 - add count accessor to Coro::Semaphore.
386 - add Coro::State::cctx_stacksize.
387 - just for the fun of it, do not rely on implicit context,
388 which can dramatically improve performance, but people
389 using windows-process-emulation perls do not care much about
390 performance.
391
3923.51 Sun Mar 4 14:18:04 CET 2007
393 - fixed a problem when you weakened references to Coro::State's
394 (patch by Yuval Kogman).
395
3963.501 Wed Feb 28 12:44:07 CET 2007
397 - rename some global symbols as macosx from hell redefines
398 them without asking.
399
4003.5 Tue Feb 13 20:22:53 CET 2007
401 - do AnyEvent model detection earlier, avoiding problems
402 caused by first using AnyEvent and later Coro::Event.
403 - implement and document Coro::Event event objects.
404 - fix a potential problem in Coro::Event causing crashes.
405 - initialise PL_comppad when creating a new coroutine,
406 avoids crashes on early coro destruction.
407
4083.41 Mon Jan 22 19:19:49 CET 2007
409 - readline on Coro::Handle did not support undefined $/,
410 nor did it deliver partial lines on EOF or error.
411 - implement malloc fallback for stack allocation because
412 stupid broken idiotic OSX has a stupid broken
413 idiotic fits-the-whole-os mmap "implementation" and
414 my dick feels longer if Coro is portable even to
415 obsolete platforms.
6 416
73.4 Fri Jan 19 21:52:54 CET 2007 4173.4 Fri Jan 19 21:52:54 CET 2007
8 - remove t/09_timer.t, as it isn't really testing much 418 - remove t/09_timer.t, as it isn't really testing much
9 but was rather flaky in practise. 419 but was rather flaky in practise.
10 - async_pool coro would keep arguments and callback alive until 420 - async_pool coro would keep arguments and callback alive until

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