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Revision: 1.176
Committed: Mon Dec 4 21:55:59 2006 UTC (17 years, 5 months ago) by root
Branch: MAIN
Changes since 1.175: +0 -1 lines
Log Message:
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File Contents

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