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Revision: 1.185
Committed: Mon Dec 25 13:25:55 2006 UTC (17 years, 4 months ago) by root
Branch: MAIN
Changes since 1.184: +1 -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 - fix nice adding, not subtracting, from priority.
6 - fix ->prio and api_is_ready (patch by Mark Hinds).
7
8 3.2 Fri Dec 22 05:07:09 CET 2006
9 - improve portability to slightly older perls.
10 - use cleaner coroutine destruction.
11 - simplify configuration for users.
12 - optionally (unrecommended) prefer perl functions over
13 their coro replacements.
14
15 3.11 Tue Dec 5 13:11:24 CET 2006
16 - fixed some bogus assert's, but as perl.h disables assert even
17 without NDEBUG (thank you very much), not too many people should
18 notice (that did include myself). Andreas König noticed, though :)
19 - do not save/restore PL_sortcxix on >= 5.9.x, it doesn't seem to have
20 it. Also noticed by Andreas König :)
21 - save/restore tainted status.
22 - verified to pass the testsuite on my 5.9.5.
23
24 3.1 Mon Dec 4 23:03:40 CET 2006
25 - INCOMPATIBLE CHANGE: $/ is now per-coroutine (but slow).
26 - incompatible change: transfer flags are now per-state.
27 - give a better error message on deadlock.
28 - document Coro::nready.
29 - enhanced testsuite.
30
31 3.01 Sun Dec 3 23:47:42 CET 2006
32 - forgot to include Coro::Timer.
33
34 3.0 Sun Dec 3 22:57:25 CET 2006
35 - the "FINALLY COMPLETELY STABLE" release (coming soon:
36 the "FAMOUS LAST WORDS" release).
37 - implement a new stack sharing algorithm, which uses a stack
38 pool (size currently hardcoded).
39 - make stack sharing mandatory (it no longer uses a heuristic).
40 - eval/die no longer cause weird problems under heavy use.
41 - Coro::Event could cause livelocks if it was used but
42 no Coro::Event watchers were used.
43 - Coro::Event now uses asynccheck as prepare does not
44 check for changed watchers.
45 - Coro::Event allows multiple waiting coros and will wake up one
46 per event.
47 - Coro::Event should be cleaner and more efficient now.
48 - new utility function Coro::unblock_sub.
49 - document the sad fact that Event is no longer reentrant.
50 - putting a coroutine into the ready queue twice could under
51 some circumstances lead to stack corruption.
52 - minor incompatibility: subclassing Coro::State is supported
53 directly now without going through a _coro_state member.
54 - state/coro switching is much faster now.
55 - very minor optimisations and code/documentation cleanup.
56 - avoid problems due to compiler inlining.
57 - removed timers from Coro::Timer -> use AnyEvent instead.
58 - replaced Coro::idle coroutine by (cleaner) idle handler.
59 - updated to newest libcoro.
60 - implement enhanced support for valgrind.
61 - implement is_ready and return value for ready.
62 - removed Coro::Cont, it was a misnomer (it's generators),
63 and it was somewhat annoying to get it right. Will come back
64 if somebody asks for it :)
65 - many ->wait methods and Coro::Event could return
66 spuriously without the event having happened.
67
68 2.5 Tue Nov 7 12:22:33 CET 2006
69 - made Coro::Util, Coro::Select, Coro::Handle and Coro::Socket
70 use AnyEvent, moved them to Coro/.
71 - added Coro::LWP which contains all the uglyness required to
72 make LWP non-blocking.
73 - should work with perl 5.9.x now (Andreas König made me do it).
74 - fixed another bug in Coro::Select when the timeout was undef.
75 - reuse PL_start_env for all coros, saves some memory per coroutine.
76 - manage PL_top_env differently, hopefully to avoid panic: top_env.
77 - timeout argument was not properly used in Coro::Socket.
78 - allow limited forms of subclassing in Coro::Handle/Coro::Socket.
79 - emulate undocumented(!) functionality of IO::Socket required
80 by LWP(!!).
81 - updated eg/lwp to work with newer lwp's.
82 - remove "FATAL: uncaught exception" prefix. Coroutines that die
83 kill the whole process, just as exceptions in the main "coroutine"
84 did already.
85
86 2.1 Wed Nov 1 23:01:13 CET 2006
87 - fix a long-standing bug in Coro::Select where select with
88 zero timeout would instead change the current default filehandle.
89 - use a simpler and hopefully more robust way to clone padlists
90 (uses less memory and a perl function instead of our own).
91 - coro can now create a stack guard area on many architectures.
92 - Coro::AIO properly reexports additional functions from IO::AIO.
93 - updated libcoro with a workaround for OS X,
94 pach and testing by Michael Schwern.
95
96 2.0 Tue Oct 24 05:47:17 CEST 2006
97 - support additional aio requests in Coro::AIO.
98
99 1.9 (never properly released due to a glitch)
100
101 1.8 Thu Feb 2 00:59:06 CET 2006
102 - applied suggested patch by SAMV to avoid problems during stupid
103 mark & sweep gc run.
104 - applied patch by Scott Walters for 5.9.3 compatibility.
105
106 1.7 Tue Dec 27 01:41:58 CET 2005
107 - added Coro::AIO, a thin wrapper around IO::AIO.
108 - improved Makefile.PL explanations.
109
110 1.6 Mon Dec 12 21:30:05 CET 2005
111 - additionally save PM_curpm might fix as-of-yet
112 unseen problems with regex matches being attributed to the
113 wrong package.
114 - add t/10_bugs.t, which currently checks against imho broken
115 perls that use 0.26MB of stack space per Perl_magic_get
116 invocation (newer linuxes) as opposed to the 0.0002MB perl
117 normally uses.
118 - make stacksize configurable for the ultimate debian experience.
119
120 1.51 Mon Dec 12 18:48:36 CET 2005
121 - remove debugging warn() accidentally left in Coro::Select.
122
123 1.5 Tue Nov 29 13:32:44 CET 2005
124 - use Coro::Event inside Coro::Select to avoid spurious deadlocks.
125 - fix Coro::Select 'select'.
126 - strict'ify some modules.
127 - libcoro errornously restored the SIGUSR2 handler to SIGUSR1.
128 - use XSLoader in selected modules.
129 - remove some 5.6 compatibility cruft.
130
131 1.4 Tue Sep 6 00:11:05 CEST 2005
132 - libcoro did not take into account the trampoline on amd64,
133 when 'l'inux method was used.
134
135 1.31 Tue Aug 30 23:31:33 CEST 2005
136 - some portability fixes/workarounds.
137
138 1.3 Sat Aug 20 03:08:56 CEST 2005
139 - no code changes. module seems to work fine.
140 - improve Coro::State docs, remove reference to nonexisting
141 Coro::State::flush method.
142 - no longer autodetect windows, present it as an option instead.
143
144 1.2 Mon May 16 02:00:55 CEST 2005
145 - included libcoro.c earlier in State.xs, might improve portability.
146 - use a faster and possibly more stable Coro::Cont implementation.
147 - accept x86_64 in addition to amd64 for optimized linux-amd64 support.
148 - fix bugs Coro::SemaphoreSet that could cause locks never to be freed.
149 - fix bugs in CoroAPI.h and document it in Coro::MakeMaker.
150
151 1.11 Thu Mar 3 18:00:52 CET 2005
152 - change of contact address.
153
154 1.1 Tue Feb 22 20:51:16 CET 2005
155 - support [l]inux method on amd64.
156 - allow some context switches while compiling/eval'ing.
157
158 1.0 Tue Aug 10 03:47:27 CEST 2004
159 - Event 0.89 fixes the bug again.
160 - fix the remaining(??) memleak. I didn't free the cache-AV for
161 padlists, so one AV per created anon-sub leaked.
162
163 0.97 Fri May 14 15:23:32 CEST 2004
164 - remove stupid gcc extension that was an experiment only anyway.
165
166 0.96 Thu May 13 18:09:29 CEST 2004
167 - tell people if they have yet another broken Event variant.
168 - made Coro to work _better_ with threads (it seems that, as long
169 as you use Coros in one thread only everything will work fine.
170 Looking at the perl source the problem might be missing locking
171 between Coro and some perl internal routines. That's not easily
172 fixable).
173 - (hopefully) got rid of the static xnext inside transfer.
174
175 0.95 Sun Feb 15 03:20:28 CET 2004
176 - removed Coro::State::flush, implemented a new and much
177 faster caching mechanism by attaching magic to the CV.
178 - a memleak with (real) closures remains.
179 - dramatically reduced size of stacks to 65536 (linux/x86), after
180 observing that even myhttpd never had more than a kilobyte
181 of stack in use (stack is still only physically allocated in
182 pagesize increments for systems suporting mmap).
183 - fix for a "cygwin-64" architecture added, proposed by Stefan Traby.
184 - fix for threaded perl.
185
186 0.9 Sun Nov 23 04:32:39 CET 2003
187 - fix a few very hard to track down but (of course) stupid
188 memory leaks.
189 - stringify version number to avoid locale problems :(.
190 - perl 5.9.0 does not have SvPADBUSY, reported by Scott Walters,
191 hopefully ignoring it "just works".
192
193 0.8 Wed Nov 5 19:38:40 CET 2003
194 - port to perl5.005_03, but only 5.8.x+ is supported!
195 - honor LocalAddr even without LocalPort in Coro::Socket.
196
197 0.7 Tue May 27 03:12:38 CEST 2003
198 - the version jump indicates some level of testing, not gobs
199 of new features.
200 - uh... I found the prompt function in ExtUtils::MakeMaker.
201 Highly correct stuff, that is...
202 - fixed(?) a bug with die's in coroutines causing "panic: top_env".
203 the fix is not well understood by the author, so beware :(.
204
205 0.652 Thu May 8 02:54:46 CEST 2003
206 - Applied patch by Slaven Rezic to set default to "s" on FreeBSD,
207 cause version 4 doesn't have ucontext.
208 - Benjamin Reed reported that setjmp works fine on darwin,
209 so preselect it.
210
211 0.651 Sat Mar 29 15:00:23 CET 2003
212 - fix a bug in Coro::Handle where some bytes could get lost
213 on reading, reported by jason@nichego.net.
214
215 0.65 Sun Mar 23 00:08:26 CET 2003
216 - added a README.linux-glibc.
217 - new module Coro::Select.
218 - also save/restore PL_comppad, fixes segfaults with 5.8.1.
219 (I never claimed that I know what I am doing ;).
220 - set default to setjmp/longjmp on non-x86-linux.
221
222 0.6 Thu Nov 21 11:09:06 CET 2002
223 - made lazy context switching the default.
224 - fixed the bug where SemaphoreSet::guard
225 was the same as timed_guard and timed_guard was missing.
226 - fix a memleak in Coro::Timer.
227 - reclassified context sharing as not experimental.
228
229 0.534 Sun Apr 14 03:05:12 CEST 2002
230 - fixed backspace => tab in header parsing (myhttpd).
231 - added eg/readline, for elmex.
232 - Coro::Event now calls ->start on first call instead of
233 ->again, which created wrong timeouts for the first ->next.
234 - fixed a bug where Coro::Socket returned a closed socket instead
235 of nothing on ECONNREFUSED and similar error conditions.
236
237 0.533 Mon Feb 18 18:49:40 CET 2002
238 - adapt to finally working Event-0.85.
239 - fixed buggy event initialization (trapped under windows, but how
240 could it possibly have worked anywhere?)
241
242 0.532 Wed Jan 16 02:45:32 CET 2002
243 - removed the reference to pp_entersub, might work on
244 (some) win32 perls now (testsuite works under cygwin,
245 without Event, which freezes).
246
247 0.531 Mon Dec 10 22:18:44 CET 2001
248 - Fixed a bug in SemaphoreSet::timed_down.
249
250 0.53 Tue Nov 27 21:11:13 CET 2001
251 - some tests for Event.
252 - slightly different internal architecture to get refcnt into the object
253 and not the reference. might fix a few bugs, certainly did introduce
254 new ones.
255 - Coro::Timer (independent of Event).
256 - new timed_wait functions for Coro::Signal, Semaphore, SemaphoreSet.
257
258 0.52 Tue Nov 6 21:36:18 CET 2001
259 - ported to cygwin (trivial).
260 patch by Gerrit P. Haase <gp@familiehaase.de>.
261 - small setjmp code fix by Sullivan.DanielJ@epamail.epa.gov.
262
263 0.51 Thu Nov 1 20:39:01 CET 2001
264 - terminate/cancel now work properly (otherwise termination
265 could cause a "next coroutine is not and contains not..."
266 error.
267 - added Coro::Socket::shutdown.
268 - Coro::Event::loop no is the same as Event::loop.
269 - implemented terminate with args + join.
270
271 0.5 Fri Sep 28 16:15:35 CEST 2001
272 - fixed "print" on a Coro::Handle. The print method worked.
273 - small tweaks (seem to reduce memory consumption a lot)
274 in various modules.
275 - splendid use of "no warnings" scattered throughout.
276 - added Coro::Handle::rbuf, fixed Coro::Handle::fh.
277
278 0.49 Sun Sep 16 02:42:45 CEST 2001
279 - changed some method calls to function calls for speed
280 inside Coro::Handle.
281 - make Coro::Handle use an array instead of a hash for
282 speed reasons.
283 - IRIX mystery solved: it's SGI's NT, after all: "standard, huh?".
284 sjlj and ucontext should now work.
285 - IRIX-specific port for libcoro.
286 - swapped order of accept results to match IO::Socket.
287 - changed getsock/peername to sock/peername to match IO::Socket.
288 - fixed a bug that caused segfault when returning to main task
289 under some circumstances.
290 - other bugfixes.
291
292 0.45 Sun Sep 2 02:54:01 CEST 2001
293 - new method Coro::Handle::timeout.
294 - corrected speling of set...name to get...name in Coro::Socket.
295 - Coro::Socket::accept now returns a Coro::Socket, not a Coro::Handle.
296 - Coro::Handle now supports fileno and FILENO.
297 - added eg/myhttpd, a web server.
298 - Coro::Socket now accepts numeric ports as well as "port(number)"
299 syntax.
300 - moved some scheduling primitives into xs code. more to come.
301 - new simple priority system.
302 - implemented Coro::Event using XS, almost four times faster!
303 - small memory corruption problem fixed (boy that was difficult).
304
305 0.13 Wed Aug 8 16:53:07 CEST 2001
306 - new method Coro::Handle::readline.
307 - added eg/lwp and Coro::Handle::autoflush, to make LWP work.
308 (see eg/lwp on how to make LWP non-blocking).
309 - renamed Coro::Socket::new_inet to new.
310 - added Coro::Util, some utility functions.
311 - die/eval now works better (still get annoying (but true ;)
312 "Callback called exit" messages).
313 - Coro::Handle now supports timeout, and Coro::Socket Timeout.
314 - much better Coro::Socket support.
315
316 0.12 Fri Jul 27 04:19:01 CEST 2001
317 - do not use mmap if neither MAP_ANON nor MAP_ANONYMOUS is defined.
318 - very experimental stack sharing algorithm. not 100% safe but
319 should work well in practise ;)
320 - added Coro::RWLock.
321 - Coro::Specific now works.
322
323 0.11 Tue Jul 24 22:49:21 CEST 2001
324 - added specialized hack for newer and older linux versions (fast).
325 - renamed Coro::Event::IO to Coro::Handle.
326 - new module Coro::Socket.
327
328 0.1 Tue Jul 24 01:47:53 CEST 2001
329 - release candidate 3. A rather new internal structure :(
330 - the great renaming: Damian Conway gave me a suitable replacement
331 for yield.
332 - added Coro/libcoro, a portable coroutine implementation for C
333 (not even perl-dependent!!!), which can be used by Coro::State.
334 - renamed SAVE_DEFSV (on xs-level only) to avoid symbol clash in
335 perl-5.6.
336 - new function Coro::Event::idle.
337 - the idle process is now overriden
338 by default in Coro::Event.
339 - Coro::Channel now enforces the size.
340 - canceling events now works in all cases.
341 - Coro state now include $_ and $@.
342 - yet another bug workaround that I do not really understand :(
343 - new module Coro::Event::IO (very undocumented) to do
344 non-blocking i/o.
345 - performance tuning.
346
347 0.08 Thu Jul 19 06:13:25 CEST 2001
348 - release candidate 2 (new functionality).
349 - add Coro::State::flush function.
350 - transfer now supports a flags value (mostly for speed ATM).
351 - might compile and work in the presence of threads now.
352 - continuations have a saner syntax.
353 - no more memleaks.
354
355 0.07 Tue Jul 17 17:40:18 CEST 2001
356 - release candidate 1 ;)
357 - slightly nicer code.
358 - fixed a scheduling bug in Coro::Event.
359
360 0.06 Tue Jul 17 04:23:24 CEST 2001
361 - ok, I found the showstopper - the same sub must not be
362 re-entered in two different coroutines, otherwise => crash. I
363 see no easy solution to this problem, except by walking the call
364 chaing and saving/restoring the cv's, which is what I do now.
365 - memory leaks still latent, especially at thread termination.
366 - Coro::Event now works (haha).
367
368 0.05 Sun Jul 15 17:32:20 CEST 2001
369 - fixed a few issues in Coro::Event.
370 - I forgot to include Coro::Event in 0.04 :(:(:(
371
372 0.04 Sun Jul 15 05:24:59 CEST 2001
373 - @_ is now properly localized.
374 - Coro::State is now easier subclassable.
375 - Coro::Cont now coroutine-aware.
376 - Coro::Specific is a low-overhead module to create
377 coroutine-specific vars.
378 - Coro::Event provides a simple interface to Event.
379
380 0.03 Fri Jul 13 14:51:52 CEST 2001
381 - transfer() now implemented in XS (beware).
382 - new module Coro::Cont for really faked continuations.
383 - big internal architecture changes: Coro::State is now
384 really low-level and can thus be used to implement other
385 interesting things, While "Coro::" implements a process-like
386 model. Still crude and subject to change.
387 - $_ and $@ are no longer being localized.
388
389 0.02 Tue Jul 10 01:38:17 CEST 2001
390 - implemented "async" attribute.
391 - $_ and $@ are now localized.
392 - added Coro::Channel.
393 - more testcases, still no docs.
394
395 0.01 Tue Jul 3 02:18:41 CEST 2001
396 - original version; copied from Convert::Scalar.
397