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Revision: 1.194
Committed: Fri Jan 5 18:25:51 2007 UTC (17 years, 4 months ago) by root
Branch: MAIN
Changes since 1.193: +1 -0 lines
Log Message:
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# Content
1 Revision history for Perl extension Coro.
2
3 TODO: better (earlier) error messages on broken transfer's
4 TODO: destroy gets only called on cancel: fix(?)
5
6 3.3
7 - implement $coro->on_destroy.
8 - Coro::Event blocking semantics have been changed,
9 documented and - hopefully - improved.
10 - fix nice adding, not subtracting, from priority.
11 - fix ->prio and api_is_ready (patch by Mark Hinds).
12 - fixed an assert ("... == prev__cctx->idle_te")
13 that could errronously trigger.
14 - fix various large and small memleaks.
15 - use a (hopefully) more stable cancel implementation
16 that immediately frees the coroutine data.
17 - cede/cede_notself return a status now.
18 - added Coro::guard function.
19 - added a global coroutine pool for jobs (on my machine,
20 I can create and execute 48k simple coros/s with async,
21 and 128k coros with async_pool).
22
23 3.2 Fri Dec 22 05:07:09 CET 2006
24 - improve portability to slightly older perls.
25 - use cleaner coroutine destruction.
26 - simplify configuration for users.
27 - optionally (unrecommended) prefer perl functions over
28 their coro replacements.
29
30 3.11 Tue Dec 5 13:11:24 CET 2006
31 - fixed some bogus assert's, but as perl.h disables assert even
32 without NDEBUG (thank you very much), not too many people should
33 notice (that did include myself). Andreas König noticed, though :)
34 - do not save/restore PL_sortcxix on >= 5.9.x, it doesn't seem to have
35 it. Also noticed by Andreas König :)
36 - save/restore tainted status.
37 - verified to pass the testsuite on my 5.9.5.
38
39 3.1 Mon Dec 4 23:03:40 CET 2006
40 - INCOMPATIBLE CHANGE: $/ is now per-coroutine (but slow).
41 - incompatible change: transfer flags are now per-state.
42 - give a better error message on deadlock.
43 - document Coro::nready.
44 - enhanced testsuite.
45
46 3.01 Sun Dec 3 23:47:42 CET 2006
47 - forgot to include Coro::Timer.
48
49 3.0 Sun Dec 3 22:57:25 CET 2006
50 - the "FINALLY COMPLETELY STABLE" release (coming soon:
51 the "FAMOUS LAST WORDS" release).
52 - implement a new stack sharing algorithm, which uses a stack
53 pool (size currently hardcoded).
54 - make stack sharing mandatory (it no longer uses a heuristic).
55 - eval/die no longer cause weird problems under heavy use.
56 - Coro::Event could cause livelocks if it was used but
57 no Coro::Event watchers were used.
58 - Coro::Event now uses asynccheck as prepare does not
59 check for changed watchers.
60 - Coro::Event allows multiple waiting coros and will wake up one
61 per event.
62 - Coro::Event should be cleaner and more efficient now.
63 - new utility function Coro::unblock_sub.
64 - document the sad fact that Event is no longer reentrant.
65 - putting a coroutine into the ready queue twice could under
66 some circumstances lead to stack corruption.
67 - minor incompatibility: subclassing Coro::State is supported
68 directly now without going through a _coro_state member.
69 - state/coro switching is much faster now.
70 - very minor optimisations and code/documentation cleanup.
71 - avoid problems due to compiler inlining.
72 - removed timers from Coro::Timer -> use AnyEvent instead.
73 - replaced Coro::idle coroutine by (cleaner) idle handler.
74 - updated to newest libcoro.
75 - implement enhanced support for valgrind.
76 - implement is_ready and return value for ready.
77 - removed Coro::Cont, it was a misnomer (it's generators),
78 and it was somewhat annoying to get it right. Will come back
79 if somebody asks for it :)
80 - many ->wait methods and Coro::Event could return
81 spuriously without the event having happened.
82
83 2.5 Tue Nov 7 12:22:33 CET 2006
84 - made Coro::Util, Coro::Select, Coro::Handle and Coro::Socket
85 use AnyEvent, moved them to Coro/.
86 - added Coro::LWP which contains all the uglyness required to
87 make LWP non-blocking.
88 - should work with perl 5.9.x now (Andreas König made me do it).
89 - fixed another bug in Coro::Select when the timeout was undef.
90 - reuse PL_start_env for all coros, saves some memory per coroutine.
91 - manage PL_top_env differently, hopefully to avoid panic: top_env.
92 - timeout argument was not properly used in Coro::Socket.
93 - allow limited forms of subclassing in Coro::Handle/Coro::Socket.
94 - emulate undocumented(!) functionality of IO::Socket required
95 by LWP(!!).
96 - updated eg/lwp to work with newer lwp's.
97 - remove "FATAL: uncaught exception" prefix. Coroutines that die
98 kill the whole process, just as exceptions in the main "coroutine"
99 did already.
100
101 2.1 Wed Nov 1 23:01:13 CET 2006
102 - fix a long-standing bug in Coro::Select where select with
103 zero timeout would instead change the current default filehandle.
104 - use a simpler and hopefully more robust way to clone padlists
105 (uses less memory and a perl function instead of our own).
106 - coro can now create a stack guard area on many architectures.
107 - Coro::AIO properly reexports additional functions from IO::AIO.
108 - updated libcoro with a workaround for OS X,
109 pach and testing by Michael Schwern.
110
111 2.0 Tue Oct 24 05:47:17 CEST 2006
112 - support additional aio requests in Coro::AIO.
113
114 1.9 (never properly released due to a glitch)
115
116 1.8 Thu Feb 2 00:59:06 CET 2006
117 - applied suggested patch by SAMV to avoid problems during stupid
118 mark & sweep gc run.
119 - applied patch by Scott Walters for 5.9.3 compatibility.
120
121 1.7 Tue Dec 27 01:41:58 CET 2005
122 - added Coro::AIO, a thin wrapper around IO::AIO.
123 - improved Makefile.PL explanations.
124
125 1.6 Mon Dec 12 21:30:05 CET 2005
126 - additionally save PM_curpm might fix as-of-yet
127 unseen problems with regex matches being attributed to the
128 wrong package.
129 - add t/10_bugs.t, which currently checks against imho broken
130 perls that use 0.26MB of stack space per Perl_magic_get
131 invocation (newer linuxes) as opposed to the 0.0002MB perl
132 normally uses.
133 - make stacksize configurable for the ultimate debian experience.
134
135 1.51 Mon Dec 12 18:48:36 CET 2005
136 - remove debugging warn() accidentally left in Coro::Select.
137
138 1.5 Tue Nov 29 13:32:44 CET 2005
139 - use Coro::Event inside Coro::Select to avoid spurious deadlocks.
140 - fix Coro::Select 'select'.
141 - strict'ify some modules.
142 - libcoro errornously restored the SIGUSR2 handler to SIGUSR1.
143 - use XSLoader in selected modules.
144 - remove some 5.6 compatibility cruft.
145
146 1.4 Tue Sep 6 00:11:05 CEST 2005
147 - libcoro did not take into account the trampoline on amd64,
148 when 'l'inux method was used.
149
150 1.31 Tue Aug 30 23:31:33 CEST 2005
151 - some portability fixes/workarounds.
152
153 1.3 Sat Aug 20 03:08:56 CEST 2005
154 - no code changes. module seems to work fine.
155 - improve Coro::State docs, remove reference to nonexisting
156 Coro::State::flush method.
157 - no longer autodetect windows, present it as an option instead.
158
159 1.2 Mon May 16 02:00:55 CEST 2005
160 - included libcoro.c earlier in State.xs, might improve portability.
161 - use a faster and possibly more stable Coro::Cont implementation.
162 - accept x86_64 in addition to amd64 for optimized linux-amd64 support.
163 - fix bugs Coro::SemaphoreSet that could cause locks never to be freed.
164 - fix bugs in CoroAPI.h and document it in Coro::MakeMaker.
165
166 1.11 Thu Mar 3 18:00:52 CET 2005
167 - change of contact address.
168
169 1.1 Tue Feb 22 20:51:16 CET 2005
170 - support [l]inux method on amd64.
171 - allow some context switches while compiling/eval'ing.
172
173 1.0 Tue Aug 10 03:47:27 CEST 2004
174 - Event 0.89 fixes the bug again.
175 - fix the remaining(??) memleak. I didn't free the cache-AV for
176 padlists, so one AV per created anon-sub leaked.
177
178 0.97 Fri May 14 15:23:32 CEST 2004
179 - remove stupid gcc extension that was an experiment only anyway.
180
181 0.96 Thu May 13 18:09:29 CEST 2004
182 - tell people if they have yet another broken Event variant.
183 - made Coro to work _better_ with threads (it seems that, as long
184 as you use Coros in one thread only everything will work fine.
185 Looking at the perl source the problem might be missing locking
186 between Coro and some perl internal routines. That's not easily
187 fixable).
188 - (hopefully) got rid of the static xnext inside transfer.
189
190 0.95 Sun Feb 15 03:20:28 CET 2004
191 - removed Coro::State::flush, implemented a new and much
192 faster caching mechanism by attaching magic to the CV.
193 - a memleak with (real) closures remains.
194 - dramatically reduced size of stacks to 65536 (linux/x86), after
195 observing that even myhttpd never had more than a kilobyte
196 of stack in use (stack is still only physically allocated in
197 pagesize increments for systems suporting mmap).
198 - fix for a "cygwin-64" architecture added, proposed by Stefan Traby.
199 - fix for threaded perl.
200
201 0.9 Sun Nov 23 04:32:39 CET 2003
202 - fix a few very hard to track down but (of course) stupid
203 memory leaks.
204 - stringify version number to avoid locale problems :(.
205 - perl 5.9.0 does not have SvPADBUSY, reported by Scott Walters,
206 hopefully ignoring it "just works".
207
208 0.8 Wed Nov 5 19:38:40 CET 2003
209 - port to perl5.005_03, but only 5.8.x+ is supported!
210 - honor LocalAddr even without LocalPort in Coro::Socket.
211
212 0.7 Tue May 27 03:12:38 CEST 2003
213 - the version jump indicates some level of testing, not gobs
214 of new features.
215 - uh... I found the prompt function in ExtUtils::MakeMaker.
216 Highly correct stuff, that is...
217 - fixed(?) a bug with die's in coroutines causing "panic: top_env".
218 the fix is not well understood by the author, so beware :(.
219
220 0.652 Thu May 8 02:54:46 CEST 2003
221 - Applied patch by Slaven Rezic to set default to "s" on FreeBSD,
222 cause version 4 doesn't have ucontext.
223 - Benjamin Reed reported that setjmp works fine on darwin,
224 so preselect it.
225
226 0.651 Sat Mar 29 15:00:23 CET 2003
227 - fix a bug in Coro::Handle where some bytes could get lost
228 on reading, reported by jason@nichego.net.
229
230 0.65 Sun Mar 23 00:08:26 CET 2003
231 - added a README.linux-glibc.
232 - new module Coro::Select.
233 - also save/restore PL_comppad, fixes segfaults with 5.8.1.
234 (I never claimed that I know what I am doing ;).
235 - set default to setjmp/longjmp on non-x86-linux.
236
237 0.6 Thu Nov 21 11:09:06 CET 2002
238 - made lazy context switching the default.
239 - fixed the bug where SemaphoreSet::guard
240 was the same as timed_guard and timed_guard was missing.
241 - fix a memleak in Coro::Timer.
242 - reclassified context sharing as not experimental.
243
244 0.534 Sun Apr 14 03:05:12 CEST 2002
245 - fixed backspace => tab in header parsing (myhttpd).
246 - added eg/readline, for elmex.
247 - Coro::Event now calls ->start on first call instead of
248 ->again, which created wrong timeouts for the first ->next.
249 - fixed a bug where Coro::Socket returned a closed socket instead
250 of nothing on ECONNREFUSED and similar error conditions.
251
252 0.533 Mon Feb 18 18:49:40 CET 2002
253 - adapt to finally working Event-0.85.
254 - fixed buggy event initialization (trapped under windows, but how
255 could it possibly have worked anywhere?)
256
257 0.532 Wed Jan 16 02:45:32 CET 2002
258 - removed the reference to pp_entersub, might work on
259 (some) win32 perls now (testsuite works under cygwin,
260 without Event, which freezes).
261
262 0.531 Mon Dec 10 22:18:44 CET 2001
263 - Fixed a bug in SemaphoreSet::timed_down.
264
265 0.53 Tue Nov 27 21:11:13 CET 2001
266 - some tests for Event.
267 - slightly different internal architecture to get refcnt into the object
268 and not the reference. might fix a few bugs, certainly did introduce
269 new ones.
270 - Coro::Timer (independent of Event).
271 - new timed_wait functions for Coro::Signal, Semaphore, SemaphoreSet.
272
273 0.52 Tue Nov 6 21:36:18 CET 2001
274 - ported to cygwin (trivial).
275 patch by Gerrit P. Haase <gp@familiehaase.de>.
276 - small setjmp code fix by Sullivan.DanielJ@epamail.epa.gov.
277
278 0.51 Thu Nov 1 20:39:01 CET 2001
279 - terminate/cancel now work properly (otherwise termination
280 could cause a "next coroutine is not and contains not..."
281 error.
282 - added Coro::Socket::shutdown.
283 - Coro::Event::loop no is the same as Event::loop.
284 - implemented terminate with args + join.
285
286 0.5 Fri Sep 28 16:15:35 CEST 2001
287 - fixed "print" on a Coro::Handle. The print method worked.
288 - small tweaks (seem to reduce memory consumption a lot)
289 in various modules.
290 - splendid use of "no warnings" scattered throughout.
291 - added Coro::Handle::rbuf, fixed Coro::Handle::fh.
292
293 0.49 Sun Sep 16 02:42:45 CEST 2001
294 - changed some method calls to function calls for speed
295 inside Coro::Handle.
296 - make Coro::Handle use an array instead of a hash for
297 speed reasons.
298 - IRIX mystery solved: it's SGI's NT, after all: "standard, huh?".
299 sjlj and ucontext should now work.
300 - IRIX-specific port for libcoro.
301 - swapped order of accept results to match IO::Socket.
302 - changed getsock/peername to sock/peername to match IO::Socket.
303 - fixed a bug that caused segfault when returning to main task
304 under some circumstances.
305 - other bugfixes.
306
307 0.45 Sun Sep 2 02:54:01 CEST 2001
308 - new method Coro::Handle::timeout.
309 - corrected speling of set...name to get...name in Coro::Socket.
310 - Coro::Socket::accept now returns a Coro::Socket, not a Coro::Handle.
311 - Coro::Handle now supports fileno and FILENO.
312 - added eg/myhttpd, a web server.
313 - Coro::Socket now accepts numeric ports as well as "port(number)"
314 syntax.
315 - moved some scheduling primitives into xs code. more to come.
316 - new simple priority system.
317 - implemented Coro::Event using XS, almost four times faster!
318 - small memory corruption problem fixed (boy that was difficult).
319
320 0.13 Wed Aug 8 16:53:07 CEST 2001
321 - new method Coro::Handle::readline.
322 - added eg/lwp and Coro::Handle::autoflush, to make LWP work.
323 (see eg/lwp on how to make LWP non-blocking).
324 - renamed Coro::Socket::new_inet to new.
325 - added Coro::Util, some utility functions.
326 - die/eval now works better (still get annoying (but true ;)
327 "Callback called exit" messages).
328 - Coro::Handle now supports timeout, and Coro::Socket Timeout.
329 - much better Coro::Socket support.
330
331 0.12 Fri Jul 27 04:19:01 CEST 2001
332 - do not use mmap if neither MAP_ANON nor MAP_ANONYMOUS is defined.
333 - very experimental stack sharing algorithm. not 100% safe but
334 should work well in practise ;)
335 - added Coro::RWLock.
336 - Coro::Specific now works.
337
338 0.11 Tue Jul 24 22:49:21 CEST 2001
339 - added specialized hack for newer and older linux versions (fast).
340 - renamed Coro::Event::IO to Coro::Handle.
341 - new module Coro::Socket.
342
343 0.1 Tue Jul 24 01:47:53 CEST 2001
344 - release candidate 3. A rather new internal structure :(
345 - the great renaming: Damian Conway gave me a suitable replacement
346 for yield.
347 - added Coro/libcoro, a portable coroutine implementation for C
348 (not even perl-dependent!!!), which can be used by Coro::State.
349 - renamed SAVE_DEFSV (on xs-level only) to avoid symbol clash in
350 perl-5.6.
351 - new function Coro::Event::idle.
352 - the idle process is now overriden
353 by default in Coro::Event.
354 - Coro::Channel now enforces the size.
355 - canceling events now works in all cases.
356 - Coro state now include $_ and $@.
357 - yet another bug workaround that I do not really understand :(
358 - new module Coro::Event::IO (very undocumented) to do
359 non-blocking i/o.
360 - performance tuning.
361
362 0.08 Thu Jul 19 06:13:25 CEST 2001
363 - release candidate 2 (new functionality).
364 - add Coro::State::flush function.
365 - transfer now supports a flags value (mostly for speed ATM).
366 - might compile and work in the presence of threads now.
367 - continuations have a saner syntax.
368 - no more memleaks.
369
370 0.07 Tue Jul 17 17:40:18 CEST 2001
371 - release candidate 1 ;)
372 - slightly nicer code.
373 - fixed a scheduling bug in Coro::Event.
374
375 0.06 Tue Jul 17 04:23:24 CEST 2001
376 - ok, I found the showstopper - the same sub must not be
377 re-entered in two different coroutines, otherwise => crash. I
378 see no easy solution to this problem, except by walking the call
379 chaing and saving/restoring the cv's, which is what I do now.
380 - memory leaks still latent, especially at thread termination.
381 - Coro::Event now works (haha).
382
383 0.05 Sun Jul 15 17:32:20 CEST 2001
384 - fixed a few issues in Coro::Event.
385 - I forgot to include Coro::Event in 0.04 :(:(:(
386
387 0.04 Sun Jul 15 05:24:59 CEST 2001
388 - @_ is now properly localized.
389 - Coro::State is now easier subclassable.
390 - Coro::Cont now coroutine-aware.
391 - Coro::Specific is a low-overhead module to create
392 coroutine-specific vars.
393 - Coro::Event provides a simple interface to Event.
394
395 0.03 Fri Jul 13 14:51:52 CEST 2001
396 - transfer() now implemented in XS (beware).
397 - new module Coro::Cont for really faked continuations.
398 - big internal architecture changes: Coro::State is now
399 really low-level and can thus be used to implement other
400 interesting things, While "Coro::" implements a process-like
401 model. Still crude and subject to change.
402 - $_ and $@ are no longer being localized.
403
404 0.02 Tue Jul 10 01:38:17 CEST 2001
405 - implemented "async" attribute.
406 - $_ and $@ are now localized.
407 - added Coro::Channel.
408 - more testcases, still no docs.
409
410 0.01 Tue Jul 3 02:18:41 CEST 2001
411 - original version; copied from Convert::Scalar.
412