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Revision: 1.158
Committed: Sun Nov 26 17:36:40 2006 UTC (17 years, 5 months ago) by root
Branch: MAIN
Changes since 1.157: +0 -4 lines
Log Message:
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File Contents

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