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Revision: 1.190
Committed: Fri Dec 29 13:03:05 2006 UTC (17 years, 4 months ago) by root
Branch: MAIN
Changes since 1.189: +2 -0 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 3.3
6 - implement $coro->on_destroy.
7 - Coro::Event blocking semantics have been changed,
8 documented and - hopefully - improved.
9 - fix nice adding, not subtracting, from priority.
10 - fix ->prio and api_is_ready (patch by Mark Hinds).
11 - fixed an assert ("... == prev__cctx->idle_te")
12 that could errronously trigger.
13
14 3.2 Fri Dec 22 05:07:09 CET 2006
15 - improve portability to slightly older perls.
16 - use cleaner coroutine destruction.
17 - simplify configuration for users.
18 - optionally (unrecommended) prefer perl functions over
19 their coro replacements.
20
21 3.11 Tue Dec 5 13:11:24 CET 2006
22 - fixed some bogus assert's, but as perl.h disables assert even
23 without NDEBUG (thank you very much), not too many people should
24 notice (that did include myself). Andreas König noticed, though :)
25 - do not save/restore PL_sortcxix on >= 5.9.x, it doesn't seem to have
26 it. Also noticed by Andreas König :)
27 - save/restore tainted status.
28 - verified to pass the testsuite on my 5.9.5.
29
30 3.1 Mon Dec 4 23:03:40 CET 2006
31 - INCOMPATIBLE CHANGE: $/ is now per-coroutine (but slow).
32 - incompatible change: transfer flags are now per-state.
33 - give a better error message on deadlock.
34 - document Coro::nready.
35 - enhanced testsuite.
36
37 3.01 Sun Dec 3 23:47:42 CET 2006
38 - forgot to include Coro::Timer.
39
40 3.0 Sun Dec 3 22:57:25 CET 2006
41 - the "FINALLY COMPLETELY STABLE" release (coming soon:
42 the "FAMOUS LAST WORDS" release).
43 - implement a new stack sharing algorithm, which uses a stack
44 pool (size currently hardcoded).
45 - make stack sharing mandatory (it no longer uses a heuristic).
46 - eval/die no longer cause weird problems under heavy use.
47 - Coro::Event could cause livelocks if it was used but
48 no Coro::Event watchers were used.
49 - Coro::Event now uses asynccheck as prepare does not
50 check for changed watchers.
51 - Coro::Event allows multiple waiting coros and will wake up one
52 per event.
53 - Coro::Event should be cleaner and more efficient now.
54 - new utility function Coro::unblock_sub.
55 - document the sad fact that Event is no longer reentrant.
56 - putting a coroutine into the ready queue twice could under
57 some circumstances lead to stack corruption.
58 - minor incompatibility: subclassing Coro::State is supported
59 directly now without going through a _coro_state member.
60 - state/coro switching is much faster now.
61 - very minor optimisations and code/documentation cleanup.
62 - avoid problems due to compiler inlining.
63 - removed timers from Coro::Timer -> use AnyEvent instead.
64 - replaced Coro::idle coroutine by (cleaner) idle handler.
65 - updated to newest libcoro.
66 - implement enhanced support for valgrind.
67 - implement is_ready and return value for ready.
68 - removed Coro::Cont, it was a misnomer (it's generators),
69 and it was somewhat annoying to get it right. Will come back
70 if somebody asks for it :)
71 - many ->wait methods and Coro::Event could return
72 spuriously without the event having happened.
73
74 2.5 Tue Nov 7 12:22:33 CET 2006
75 - made Coro::Util, Coro::Select, Coro::Handle and Coro::Socket
76 use AnyEvent, moved them to Coro/.
77 - added Coro::LWP which contains all the uglyness required to
78 make LWP non-blocking.
79 - should work with perl 5.9.x now (Andreas König made me do it).
80 - fixed another bug in Coro::Select when the timeout was undef.
81 - reuse PL_start_env for all coros, saves some memory per coroutine.
82 - manage PL_top_env differently, hopefully to avoid panic: top_env.
83 - timeout argument was not properly used in Coro::Socket.
84 - allow limited forms of subclassing in Coro::Handle/Coro::Socket.
85 - emulate undocumented(!) functionality of IO::Socket required
86 by LWP(!!).
87 - updated eg/lwp to work with newer lwp's.
88 - remove "FATAL: uncaught exception" prefix. Coroutines that die
89 kill the whole process, just as exceptions in the main "coroutine"
90 did already.
91
92 2.1 Wed Nov 1 23:01:13 CET 2006
93 - fix a long-standing bug in Coro::Select where select with
94 zero timeout would instead change the current default filehandle.
95 - use a simpler and hopefully more robust way to clone padlists
96 (uses less memory and a perl function instead of our own).
97 - coro can now create a stack guard area on many architectures.
98 - Coro::AIO properly reexports additional functions from IO::AIO.
99 - updated libcoro with a workaround for OS X,
100 pach and testing by Michael Schwern.
101
102 2.0 Tue Oct 24 05:47:17 CEST 2006
103 - support additional aio requests in Coro::AIO.
104
105 1.9 (never properly released due to a glitch)
106
107 1.8 Thu Feb 2 00:59:06 CET 2006
108 - applied suggested patch by SAMV to avoid problems during stupid
109 mark & sweep gc run.
110 - applied patch by Scott Walters for 5.9.3 compatibility.
111
112 1.7 Tue Dec 27 01:41:58 CET 2005
113 - added Coro::AIO, a thin wrapper around IO::AIO.
114 - improved Makefile.PL explanations.
115
116 1.6 Mon Dec 12 21:30:05 CET 2005
117 - additionally save PM_curpm might fix as-of-yet
118 unseen problems with regex matches being attributed to the
119 wrong package.
120 - add t/10_bugs.t, which currently checks against imho broken
121 perls that use 0.26MB of stack space per Perl_magic_get
122 invocation (newer linuxes) as opposed to the 0.0002MB perl
123 normally uses.
124 - make stacksize configurable for the ultimate debian experience.
125
126 1.51 Mon Dec 12 18:48:36 CET 2005
127 - remove debugging warn() accidentally left in Coro::Select.
128
129 1.5 Tue Nov 29 13:32:44 CET 2005
130 - use Coro::Event inside Coro::Select to avoid spurious deadlocks.
131 - fix Coro::Select 'select'.
132 - strict'ify some modules.
133 - libcoro errornously restored the SIGUSR2 handler to SIGUSR1.
134 - use XSLoader in selected modules.
135 - remove some 5.6 compatibility cruft.
136
137 1.4 Tue Sep 6 00:11:05 CEST 2005
138 - libcoro did not take into account the trampoline on amd64,
139 when 'l'inux method was used.
140
141 1.31 Tue Aug 30 23:31:33 CEST 2005
142 - some portability fixes/workarounds.
143
144 1.3 Sat Aug 20 03:08:56 CEST 2005
145 - no code changes. module seems to work fine.
146 - improve Coro::State docs, remove reference to nonexisting
147 Coro::State::flush method.
148 - no longer autodetect windows, present it as an option instead.
149
150 1.2 Mon May 16 02:00:55 CEST 2005
151 - included libcoro.c earlier in State.xs, might improve portability.
152 - use a faster and possibly more stable Coro::Cont implementation.
153 - accept x86_64 in addition to amd64 for optimized linux-amd64 support.
154 - fix bugs Coro::SemaphoreSet that could cause locks never to be freed.
155 - fix bugs in CoroAPI.h and document it in Coro::MakeMaker.
156
157 1.11 Thu Mar 3 18:00:52 CET 2005
158 - change of contact address.
159
160 1.1 Tue Feb 22 20:51:16 CET 2005
161 - support [l]inux method on amd64.
162 - allow some context switches while compiling/eval'ing.
163
164 1.0 Tue Aug 10 03:47:27 CEST 2004
165 - Event 0.89 fixes the bug again.
166 - fix the remaining(??) memleak. I didn't free the cache-AV for
167 padlists, so one AV per created anon-sub leaked.
168
169 0.97 Fri May 14 15:23:32 CEST 2004
170 - remove stupid gcc extension that was an experiment only anyway.
171
172 0.96 Thu May 13 18:09:29 CEST 2004
173 - tell people if they have yet another broken Event variant.
174 - made Coro to work _better_ with threads (it seems that, as long
175 as you use Coros in one thread only everything will work fine.
176 Looking at the perl source the problem might be missing locking
177 between Coro and some perl internal routines. That's not easily
178 fixable).
179 - (hopefully) got rid of the static xnext inside transfer.
180
181 0.95 Sun Feb 15 03:20:28 CET 2004
182 - removed Coro::State::flush, implemented a new and much
183 faster caching mechanism by attaching magic to the CV.
184 - a memleak with (real) closures remains.
185 - dramatically reduced size of stacks to 65536 (linux/x86), after
186 observing that even myhttpd never had more than a kilobyte
187 of stack in use (stack is still only physically allocated in
188 pagesize increments for systems suporting mmap).
189 - fix for a "cygwin-64" architecture added, proposed by Stefan Traby.
190 - fix for threaded perl.
191
192 0.9 Sun Nov 23 04:32:39 CET 2003
193 - fix a few very hard to track down but (of course) stupid
194 memory leaks.
195 - stringify version number to avoid locale problems :(.
196 - perl 5.9.0 does not have SvPADBUSY, reported by Scott Walters,
197 hopefully ignoring it "just works".
198
199 0.8 Wed Nov 5 19:38:40 CET 2003
200 - port to perl5.005_03, but only 5.8.x+ is supported!
201 - honor LocalAddr even without LocalPort in Coro::Socket.
202
203 0.7 Tue May 27 03:12:38 CEST 2003
204 - the version jump indicates some level of testing, not gobs
205 of new features.
206 - uh... I found the prompt function in ExtUtils::MakeMaker.
207 Highly correct stuff, that is...
208 - fixed(?) a bug with die's in coroutines causing "panic: top_env".
209 the fix is not well understood by the author, so beware :(.
210
211 0.652 Thu May 8 02:54:46 CEST 2003
212 - Applied patch by Slaven Rezic to set default to "s" on FreeBSD,
213 cause version 4 doesn't have ucontext.
214 - Benjamin Reed reported that setjmp works fine on darwin,
215 so preselect it.
216
217 0.651 Sat Mar 29 15:00:23 CET 2003
218 - fix a bug in Coro::Handle where some bytes could get lost
219 on reading, reported by jason@nichego.net.
220
221 0.65 Sun Mar 23 00:08:26 CET 2003
222 - added a README.linux-glibc.
223 - new module Coro::Select.
224 - also save/restore PL_comppad, fixes segfaults with 5.8.1.
225 (I never claimed that I know what I am doing ;).
226 - set default to setjmp/longjmp on non-x86-linux.
227
228 0.6 Thu Nov 21 11:09:06 CET 2002
229 - made lazy context switching the default.
230 - fixed the bug where SemaphoreSet::guard
231 was the same as timed_guard and timed_guard was missing.
232 - fix a memleak in Coro::Timer.
233 - reclassified context sharing as not experimental.
234
235 0.534 Sun Apr 14 03:05:12 CEST 2002
236 - fixed backspace => tab in header parsing (myhttpd).
237 - added eg/readline, for elmex.
238 - Coro::Event now calls ->start on first call instead of
239 ->again, which created wrong timeouts for the first ->next.
240 - fixed a bug where Coro::Socket returned a closed socket instead
241 of nothing on ECONNREFUSED and similar error conditions.
242
243 0.533 Mon Feb 18 18:49:40 CET 2002
244 - adapt to finally working Event-0.85.
245 - fixed buggy event initialization (trapped under windows, but how
246 could it possibly have worked anywhere?)
247
248 0.532 Wed Jan 16 02:45:32 CET 2002
249 - removed the reference to pp_entersub, might work on
250 (some) win32 perls now (testsuite works under cygwin,
251 without Event, which freezes).
252
253 0.531 Mon Dec 10 22:18:44 CET 2001
254 - Fixed a bug in SemaphoreSet::timed_down.
255
256 0.53 Tue Nov 27 21:11:13 CET 2001
257 - some tests for Event.
258 - slightly different internal architecture to get refcnt into the object
259 and not the reference. might fix a few bugs, certainly did introduce
260 new ones.
261 - Coro::Timer (independent of Event).
262 - new timed_wait functions for Coro::Signal, Semaphore, SemaphoreSet.
263
264 0.52 Tue Nov 6 21:36:18 CET 2001
265 - ported to cygwin (trivial).
266 patch by Gerrit P. Haase <gp@familiehaase.de>.
267 - small setjmp code fix by Sullivan.DanielJ@epamail.epa.gov.
268
269 0.51 Thu Nov 1 20:39:01 CET 2001
270 - terminate/cancel now work properly (otherwise termination
271 could cause a "next coroutine is not and contains not..."
272 error.
273 - added Coro::Socket::shutdown.
274 - Coro::Event::loop no is the same as Event::loop.
275 - implemented terminate with args + join.
276
277 0.5 Fri Sep 28 16:15:35 CEST 2001
278 - fixed "print" on a Coro::Handle. The print method worked.
279 - small tweaks (seem to reduce memory consumption a lot)
280 in various modules.
281 - splendid use of "no warnings" scattered throughout.
282 - added Coro::Handle::rbuf, fixed Coro::Handle::fh.
283
284 0.49 Sun Sep 16 02:42:45 CEST 2001
285 - changed some method calls to function calls for speed
286 inside Coro::Handle.
287 - make Coro::Handle use an array instead of a hash for
288 speed reasons.
289 - IRIX mystery solved: it's SGI's NT, after all: "standard, huh?".
290 sjlj and ucontext should now work.
291 - IRIX-specific port for libcoro.
292 - swapped order of accept results to match IO::Socket.
293 - changed getsock/peername to sock/peername to match IO::Socket.
294 - fixed a bug that caused segfault when returning to main task
295 under some circumstances.
296 - other bugfixes.
297
298 0.45 Sun Sep 2 02:54:01 CEST 2001
299 - new method Coro::Handle::timeout.
300 - corrected speling of set...name to get...name in Coro::Socket.
301 - Coro::Socket::accept now returns a Coro::Socket, not a Coro::Handle.
302 - Coro::Handle now supports fileno and FILENO.
303 - added eg/myhttpd, a web server.
304 - Coro::Socket now accepts numeric ports as well as "port(number)"
305 syntax.
306 - moved some scheduling primitives into xs code. more to come.
307 - new simple priority system.
308 - implemented Coro::Event using XS, almost four times faster!
309 - small memory corruption problem fixed (boy that was difficult).
310
311 0.13 Wed Aug 8 16:53:07 CEST 2001
312 - new method Coro::Handle::readline.
313 - added eg/lwp and Coro::Handle::autoflush, to make LWP work.
314 (see eg/lwp on how to make LWP non-blocking).
315 - renamed Coro::Socket::new_inet to new.
316 - added Coro::Util, some utility functions.
317 - die/eval now works better (still get annoying (but true ;)
318 "Callback called exit" messages).
319 - Coro::Handle now supports timeout, and Coro::Socket Timeout.
320 - much better Coro::Socket support.
321
322 0.12 Fri Jul 27 04:19:01 CEST 2001
323 - do not use mmap if neither MAP_ANON nor MAP_ANONYMOUS is defined.
324 - very experimental stack sharing algorithm. not 100% safe but
325 should work well in practise ;)
326 - added Coro::RWLock.
327 - Coro::Specific now works.
328
329 0.11 Tue Jul 24 22:49:21 CEST 2001
330 - added specialized hack for newer and older linux versions (fast).
331 - renamed Coro::Event::IO to Coro::Handle.
332 - new module Coro::Socket.
333
334 0.1 Tue Jul 24 01:47:53 CEST 2001
335 - release candidate 3. A rather new internal structure :(
336 - the great renaming: Damian Conway gave me a suitable replacement
337 for yield.
338 - added Coro/libcoro, a portable coroutine implementation for C
339 (not even perl-dependent!!!), which can be used by Coro::State.
340 - renamed SAVE_DEFSV (on xs-level only) to avoid symbol clash in
341 perl-5.6.
342 - new function Coro::Event::idle.
343 - the idle process is now overriden
344 by default in Coro::Event.
345 - Coro::Channel now enforces the size.
346 - canceling events now works in all cases.
347 - Coro state now include $_ and $@.
348 - yet another bug workaround that I do not really understand :(
349 - new module Coro::Event::IO (very undocumented) to do
350 non-blocking i/o.
351 - performance tuning.
352
353 0.08 Thu Jul 19 06:13:25 CEST 2001
354 - release candidate 2 (new functionality).
355 - add Coro::State::flush function.
356 - transfer now supports a flags value (mostly for speed ATM).
357 - might compile and work in the presence of threads now.
358 - continuations have a saner syntax.
359 - no more memleaks.
360
361 0.07 Tue Jul 17 17:40:18 CEST 2001
362 - release candidate 1 ;)
363 - slightly nicer code.
364 - fixed a scheduling bug in Coro::Event.
365
366 0.06 Tue Jul 17 04:23:24 CEST 2001
367 - ok, I found the showstopper - the same sub must not be
368 re-entered in two different coroutines, otherwise => crash. I
369 see no easy solution to this problem, except by walking the call
370 chaing and saving/restoring the cv's, which is what I do now.
371 - memory leaks still latent, especially at thread termination.
372 - Coro::Event now works (haha).
373
374 0.05 Sun Jul 15 17:32:20 CEST 2001
375 - fixed a few issues in Coro::Event.
376 - I forgot to include Coro::Event in 0.04 :(:(:(
377
378 0.04 Sun Jul 15 05:24:59 CEST 2001
379 - @_ is now properly localized.
380 - Coro::State is now easier subclassable.
381 - Coro::Cont now coroutine-aware.
382 - Coro::Specific is a low-overhead module to create
383 coroutine-specific vars.
384 - Coro::Event provides a simple interface to Event.
385
386 0.03 Fri Jul 13 14:51:52 CEST 2001
387 - transfer() now implemented in XS (beware).
388 - new module Coro::Cont for really faked continuations.
389 - big internal architecture changes: Coro::State is now
390 really low-level and can thus be used to implement other
391 interesting things, While "Coro::" implements a process-like
392 model. Still crude and subject to change.
393 - $_ and $@ are no longer being localized.
394
395 0.02 Tue Jul 10 01:38:17 CEST 2001
396 - implemented "async" attribute.
397 - $_ and $@ are now localized.
398 - added Coro::Channel.
399 - more testcases, still no docs.
400
401 0.01 Tue Jul 3 02:18:41 CEST 2001
402 - original version; copied from Convert::Scalar.
403