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Comparing Coro/Changes (file contents):
Revision 1.458 by root, Sat Nov 22 05:13:34 2008 UTC vs.
Revision 1.565 by root, Fri May 13 19:39:26 2011 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: http://www.microsoft.com/msj/archive/s2ce.aspx
6 but very lacking in others (higher level ipc)).
7 6
7TODO: tutorial
8 - INCOMPATIBLE CHANGE: unreferenced coro objects will now be
9 destroyed and cleaned up automatically (e.g. async { schedule }).
10 - Coro::State->is_destroyed is now called is_zombie.
11 - implement a Coro->safe_cancel method that might fail, but
12 cancels in a "safer" way if it succeeds.
13 - croak when a coro that is being cancelled tries to block
14 (e.g. while executing a guard block), instead of crashing or
15 deadlocking.
16 - use a more robust and also faster method to identify Coro::State
17 objects - speeds up everything a bit.
18 - implement Coro->cancel in XS for a 20% speed improvement, and to
19 be able to implement mutual cancellation.
20 - speed up context switches by a percent or two by more efficiently
21 allocating context stack entries.
22 - implement Coro->join and Coro->on_destroy in XS for a speedup and
23 a reduction in memory use.
24 - cancelling a coro while it itself is cancelling another coro is
25 now supported and working, instead of triggering an assertion.
26 - be a bit more crash-resistant when calling (buggy) on_destroy
27 callbacks (best effort).
28 - move on_destroy into the slf_frame, to allow extension slf
29 functions to have destructors.
30 - get rid if coro refcounting - simply crash in other interpreter
31 threads by nulling the pointers on clone.
32
335.372 Wed Feb 23 06:14:30 CET 2011
34 - apparently mingw doesn't provide a working gettimeofday, try to
35 work around that by relying on Time::HiRes (indirectly brought to
36 my attention by Max Maischein).
37 - fix some portability issues when Time::HiRes was used.
38
395.371 Mon Feb 21 14:36:08 CET 2011
40 - backport to windows process emulation code again.
41
425.37 Sat Feb 19 07:49:44 CET 2011
43 - add a big "Coro thread life cycle" section to "man Coro".
44 - try a tentative workaround against the breakage that 5.13 has
45 introduced without depreciation period. sigh.
46 - no longer use Time::HiRes if gettimeofday is available, which
47 saves quite a lot of memory.
48
495.36 Sun Feb 13 05:33:41 CET 2011
50 - automatically load Coro::Channel, Coro::RWLock, Coro::Semaphore,
51 Coro::SemaphoreSet, Coro::Signal and Coro::Specific on first "new"
52 method call.
53 - undocument Coro::Timer::sleep and obsolete whole module.
54 - optimise Coro::Timer::timeout memory and cpu usage.
55 - slightly updated Coro::Intro for recent changes.
56 - do not initialise PL_dirty anymore.
57
585.25 Thu Nov 11 01:08:39 CET 2010
59 - try a different approach on netbsd - netbsd 5 finally has marginally
60 working pthreads, but still broken ucontext/sigaltstack.
61 - openbsd 4.8 finally got their act together, Coro works out of the box
62 with asm, setjmp and pthreads (no change, just informational).
63
645.24 Sat Oct 23 11:27:12 CEST 2010
65 - port to the EV 4.0 API.
66 - work around bugs in mingw32, making strawberry perl work
67 out of the box.
68 - correctly modify Coro::AIO function prototypes
69 so that they reflect the "no optional parameters" rule.
70 - "ported" libcoro to C++.
71
725.23 Mon May 17 18:50:42 CEST 2010
73 - be more resistant to ordering changes when initialising
74 Coro::AnyEvent, Coro::EV and Coro::Event (reported by Matthias
75 Waldorf).
76 - document that perl 5.12 deliberately removed support for cloning.
77
785.22 Wed Apr 14 03:55:35 CEST 2010
79 - correctly return udnef on errors in Coro::Handle::read/write
80 (testcase by Marc Mims).
81 - convert Coro::Util into a "perl compatibility wrapper" - the functions
82 are less useful now, but are drop-in replacements for existing
83 functions, listing better alternatives in the documentation. This also
84 fixes a bug in Coro::LWP which naively substituted Socket::inet_aton
85 with Coro::Util::inet_aton.
86 - do not override $Coro::idle unconditionally in Coro.pm, as other
87 modules could have provided their own idle coro already
88 (for exmaple, Coro::AnyEvent).
89 - fix Coro::Util::gethost* functions.
90 - Coro::Timer corretcly exports it's symbols (reported by Hideki Yamamura).
91
925.21 Wed Dec 16 07:19:51 CET 2009
93 - automatically load Coro::AnyEvent when AnyEvent and Coro are used
94 together.
95 - add some examples on how to combine other event loops with Coro in
96 Coro::AnyEvent, and how to run it (and not to block). Seems to be
97 the most common source of confusion.
98 - try to catch people naively blocking in an event callback.
99 - work around the perl filehandle bug issue in conjunction with
100 older common::sense (as indirectly pointed out by ZSystem).
101 - clarify the "not from signal handlers" section.
102
1035.2 Sun Oct 4 14:54:24 CEST 2009
104 - Coro::Storable destroyed the prototypes of the functions it wrapped.
105 - export rouse_cb and rouse_wait by default now.
106 - fix various prototype mismatches in Coro::AnyEvent and Coro::Handle.
107 - new method $state->swap_sv.
108 - added section on "windows process emulation" to the manpage,
109 after a not-so-fruitful (nor-friendly) "discussion" with chip
110 salzenberg (discussion implies arguments, but his only arguments
111 were ad-hominems, one wonders why he started it in the first
112 place). I hope this explains it well enough for him to understand,
113 and maybe well enough for others to understand.
114 - use common::sense everywhere now.
115 - idle callbacks are no longer supported, use idle coros instead.
116 - print a thread listing when a deadlock is detected.
117
1185.17 Sat Aug 22 23:09:31 CEST 2009
119 - work around a bug in the perl debugger causing crashes
120 when running under the debugger by marking _pool_handler as nodebug.
121 - speed up Coro::async considerably.
122 - try some hacks to get netbsd to work "more often" - their broken
123 setjmp/longjmp, ucontext *and* phtreads are really hard on Coro.
124 - convert Coro to AE 5.0 API.
125
1265.162 Tue Jul 28 04:04:03 CEST 2009
127 - perl 5.8.2 is now minimum requirement.
128 - skip t/19_handle.t on broken windows perls.
129
1305.161 Wed Jul 22 04:47:38 CEST 2009
131 - Coro::AnyEvent::poll could have a different prototype when EV was
132 used as backend (analyzed by Tatsuhiko Miyagawa).
133 - Coro::AnyEvent errornously initialised the event loop when loaded,
134 not on demand.
135 - try to workaround rare */t/01_unblock.t failures.
136
1375.16 Tue Jul 21 01:44:37 CEST 2009
138 - Coro::AnyEvent failed to hook into the event loop
139 when no threads had been readied between detecting
140 the event loop and actually running it.
141 - considerably speed up Coro::Select by taking avdantage
142 of AnyEvent > 4.8 and some other optimisations.
143 - implement paragraph readline mode in Coro::Handle
144 (based on patches by Zsbán Ambrus).
145 - replace WSAEINPROGRESS by WSAEWOULDBLOCK (reported
146 and analyzed by Yasuhiro MATSUMOTO).
147 - clarified libcoro license and copyright.
148 - someone stole my EXTRA_META!!!
149 - implement Coro::Select::patch_pp_sselect and it's brother,
150 for hardcode select overriding.
151
1525.151 Mon Jul 6 05:41:57 CEST 2009
153 - backport to windows process emulation code again (patch by
154 Yasuhiro MATSUMOTO).
155 - slightly update Coro::MakeMaker.
156
1575.15 Tue Jun 30 10:28:06 CEST 2009
158 - deprecate Coro::Socket, document how to get ipv6 support via
159 AnyEvent::Socket instead.
160 - implement signal->wait ($cb) interface, similar to semaphores.
161 - work around SvOK not supporting getmagic, so we have to getmagic
162 to test for undef :/ (reported by Matthias Waldorf).
163 - load Coro::AnyEvent in all modules using AnyEvent.
164 - work around perl corrupting our internal data structures,
165 reported by Tokuhiro Matsuno.
166 - enable per-coroutine real and cpu time gathering
167 (Coro::State::enable_times).
168
1695.14 Wed Jun 24 01:37:48 CEST 2009
170 - provide explicit functions to "cede" to the event loop in Coro::AnyEvent,
171 as this seems to have been a difficult concept (poll, sleep, idle,
172 idle_upto).
173 - add Coro::AnyEvent::readable/writable functions.
174 - clarify Coro::EV/Event/AnyEvent manpages.
175 - free per-thread global scalars in the thread calling ->cancel, to
176 avoid crashes when $_, $@ etc., are magical but some of those
177 had already been freed.
178 - "unexperimentalise" the callback interface for Coro::Semaphore.
179 - speed up ready queue management/context switching by using a linked
180 list instead of an array (~5-10%).
181 - implement "watch" command in Coro::Debug shells.
182 - for fun, implement time-slicing as an example in the manpage.
183 - if AnyEvent detects EV or Event, but we don't have Coro::EV or
184 Coro::Event, use the normal AnyEvent handling instead of dieing
185 (the same is true for Coro::Handle).
186 - properly document Coro::EV::timed_io_once.
187 - avoid unneccessary ->cancel calls in Coro::Handle.
188 - maybe make it work on mingw32 with win32 backend
189 (based on patch by Yasuhiro Matsumoto).
190
1915.132 Fri May 29 09:00:39 CEST 2009
192 - do not keep a reference to the argument itself in
193 Coro::Semaphore::guard, as it could change later.
194 - support SO_RCVBUF/SO_SNDBUF nonstandard Coro::Socket options,
195 should support a prepare callback.
196
1975.131 Mon Mar 16 23:20:37 CET 2009
198 - implement and document Coro->suspend, Coro->resume.
199 - fix Coro::Select implementation to not (often) close
200 the passed file descriptors (testcase provided by pippijn).
201
2025.13 Mon Dec 15 21:51:42 CET 2008
203 - EXPERIMENTAL: implement dynamic winds (on_enter/on_leave).
204 - don't set diehook to C<undef> but instead to NULL, to avoid
205 spurious warnings.
206 - fix a lot of bugs in Coro::SemaphoreSet.
207 - Coro::SemaphoreSet will less often create a semaphore needlessly.
208 - add Coro::SemaphoreSet::count and wait methods.
209 - take advantage of the new Guard module.
210 - deprecate Coro::guard.
211 - try to fix the dreaded 01_unblock tests once more. I hate it when
212 testsuites need more fixing than the code they are supposed to test.
213 - croak in more cases when a required callback isn't resolvable.
214 - fix some minor issues in Coro::State->call/eval.
215 - use current coroutine context instead of a temporary one
216 when temporarily switching to another coroutine.
217 - do not call C-level on_destroy handlers during global destruction,
218 to avoid needless segfaults.
219
2205.12 Sun Dec 7 13:30:38 CET 2008
221 - add default config for MirOS, which seems to be a bug-to-bug
222 compatible fork of openbsd ("world domination by releasing
223 openbsd cvs before the openbsd folks do it" or so :).
224 - free_padlist did destroy the names pad, not good, but didn't
225 seem to bother perl - this could fix issues such as eval ""
226 inside a function called from multiple coroutines.
227 - use a different method to detect destruction time.
228 - be more careful when freeing padlists just before global
229 destruction.
230 - fixed and expanded the call/cc example.
231 - renamed _terminate to _coro_run.
232 - new method Coro::Channel->shutdown.
233 - try pthreads on openbsd <4.4 (broken sigaltstack, will
234 pthreads fare better?).
235 - be less picky about destroying "a" running coroutine.
236
2375.11 Tue Nov 25 21:49:05 CET 2008
238 - DEBUGGING in 5.10.0 is a mess: it constantly flags perfectly
239 working code with failed assertions, introducing more bugs than
240 it fixes, requiring elaborate workarounds :(
241
2425.1 Mon Nov 24 08:54:59 CET 2008
243 - wrote a small introductory tutorial - Coro::Intro.
8 - convert Coro::Timer, Coro::Select and Coro::Util to rouse API. 244 - convert Coro::Timer, Coro::Select and Coro::Util to rouse API.
9 - Coro::Select did errornously dup the file descriptors 245 - Coro::Select did errornously dup the file descriptors
10 and didn't work with all AnyEvent backends. 246 and didn't work with all AnyEvent backends.
247 - Coro::Select wasn't imported correctly form Coro::LWP, causing blocking
248 LWP data transfers.
11 - disassociate c contexts from coro objects - this is agruably more 249 - disassociate c contexts from coro objects - this is agruably more
12 correct, but mostly allows sharing of cctxs between coro and state 250 correct, but mostly allows sharing of cctxs between coro and state
13 objects, for added memory savings and speed increases. 251 objects, for added memory savings and speed increases.
14 - bumped $Coro::POOL_RSS up to 32kb by default. 252 - bumped $Coro::POOL_RSS up to 32kb by default.
15 - no longer set the optype to OP_CUSTOM, as B::* understandably 253 - no longer set the optype to OP_CUSTOM, as B::* understandably
16 doesn't like this very much (and we *are* a type of entersub). 254 doesn't like this very much (and we *are* a type of entersub).
17 - implement state cloning, just to prove that call/cc can be done. 255 - implement state cloning, just to prove that call/cc can be done.
256 - automatically load Coro::AnyEvent in Coro::Handle.
257 - wrap ->cancel calls in eval inside Coro::Handle as EV watchers
258 do not have this method (and don't need it either).
259 - speed up generic anyevent methods in Coro::Handle by using rouse
260 callbacks.
261 - allow coroutines in $Coro::IDLE, speeding up Coro::AnyEvent and
262 others. It also makes the debugger happier, as you can trace
263 through the idle threads now.
264 - add comppad_name* and hints ($^H, %^H) to per-thread variables.
265 - eg/event was pretty broken.
18 - better 5.8.6 compatibility. 266 - better 5.8.6 compatibility.
19 267
205.0 Thu Nov 20 10:35:05 CET 2008 2685.0 Thu Nov 20 10:35:05 CET 2008
21 - NEW ARCHITECTURE: use the latest 4.x version if you experience 269 - NEW ARCHITECTURE: use the latest 4.x version if you experience
22 stability issues. 270 stability issues.

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