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Revision: 1.141
Committed: Sun Nov 5 19:16:09 2006 UTC (17 years, 6 months ago) by root
Branch: MAIN
Changes since 1.140: +2 -0 lines
Log Message:
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File Contents

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