[ViewVC] Annotation of: cvs/Coro/Changes

Revision history for Perl extension Coro.

TODO: transfer flags must be per state

3.0  Sun Dec  3 22:57:25 CET 2006
        - the "FINALLY COMPLETELY STABLE" release (coming soon:
          the "FAMOUS LAST WORDS" release).
        - implement a new stack sharing algorithm, which uses a stack
          pool (size currently hardcoded).
        - make stack sharing mandatory (it no longer uses a heuristic).
        - eval/die no longer cause weird problems under heavy use.
        - Coro::Event could cause livelocks if it was used but
          no Coro::Event watchers were used.
        - Coro::Event now uses asynccheck as prepare does not
          check for changed watchers.
        - Coro::Event allows multiple waiting coros and will wake up one
          per event.
        - Coro::Event should be cleaner and more efficient now.
        - new utility function Coro::unblock_sub.
        - document the sad fact that Event is no longer reentrant.
        - putting a coroutine into the ready queue twice could under
          some circumstances lead to stack corruption.
        - minor incompatibility: subclassing Coro::State is supported
          directly now without going through a _coro_state member.
        - state/coro switching is much faster now.
        - very minor optimisations and code/documentation cleanup.
        - avoid problems due to compiler inlining.
        - removed timers from Coro::Timer -> use AnyEvent instead.
        - replaced Coro::idle coroutine by (cleaner) idle handler.
        - updated to newest libcoro.
        - implement enhanced support for valgrind.
        - implement is_ready and return value for ready.
        - removed Coro::Cont, it was a misnomer (it's generators),
          and it was somewhat annoying to get it right. Will come back
          if somebody asks for it :)
        - many ->wait methods and Coro::Event could return
          spuriously without the event having happened.

2.5  Tue Nov  7 12:22:33 CET 2006
        - made Coro::Util, Coro::Select, Coro::Handle and Coro::Socket
          use AnyEvent, moved them to Coro/.
        - added Coro::LWP which contains all the uglyness required to
          make LWP non-blocking.
        - should work with perl 5.9.x now (Andreas König made me do it).
        - fixed another bug in Coro::Select when the timeout was undef.
        - reuse PL_start_env for all coros, saves some memory per coroutine.
        - manage PL_top_env differently, hopefully to avoid panic: top_env.
        - timeout argument was not properly used in Coro::Socket.
        - allow limited forms of subclassing in Coro::Handle/Coro::Socket.
        - emulate undocumented(!) functionality of IO::Socket required
          by LWP(!!).
        - updated eg/lwp to work with newer lwp's.
        - remove "FATAL: uncaught exception" prefix. Coroutines that die
          kill the whole process, just as exceptions in the main "coroutine"
          did already.

2.1  Wed Nov  1 23:01:13 CET 2006
        - fix a long-standing bug in Coro::Select where select with
          zero timeout would instead change the current default filehandle.
        - use a simpler and hopefully more robust way to clone padlists
          (uses less memory and a perl function instead of our own).
        - coro can now create a stack guard area on many architectures.
        - Coro::AIO properly reexports additional functions from IO::AIO.
        - updated libcoro with a workaround for OS X,
          pach and testing by Michael Schwern.

2.0  Tue Oct 24 05:47:17 CEST 2006
        - support additional aio requests in Coro::AIO.

1.9  (never properly released due to a glitch)

1.8  Thu Feb  2 00:59:06 CET 2006
        - applied suggested patch by SAMV to avoid problems during stupid
          mark & sweep gc run.
        - applied patch by Scott Walters for 5.9.3 compatibility.

1.7  Tue Dec 27 01:41:58 CET 2005
        - added Coro::AIO, a thin wrapper around IO::AIO.
        - improved Makefile.PL explanations.

1.6  Mon Dec 12 21:30:05 CET 2005
        - additionally save PM_curpm might fix as-of-yet
          unseen problems with regex matches being attributed to the
          wrong package.
        - add t/10_bugs.t, which currently checks against imho broken
          perls that use 0.26MB of stack space per Perl_magic_get
          invocation (newer linuxes) as opposed to the 0.0002MB perl
          normally uses.
        - make stacksize configurable for the ultimate debian experience.

1.51 Mon Dec 12 18:48:36 CET 2005
        - remove debugging warn() accidentally left in Coro::Select.

1.5  Tue Nov 29 13:32:44 CET 2005
        - use Coro::Event inside Coro::Select to avoid spurious deadlocks.
        - fix Coro::Select 'select'.
        - strict'ify some modules.
        - libcoro errornously restored the SIGUSR2 handler to SIGUSR1.
        - use XSLoader in selected modules.
        - remove some 5.6 compatibility cruft.

1.4  Tue Sep  6 00:11:05 CEST 2005
        - libcoro did not take into account the trampoline on amd64,
          when 'l'inux method was used.

1.31 Tue Aug 30 23:31:33 CEST 2005
        - some portability fixes/workarounds.

1.3  Sat Aug 20 03:08:56 CEST 2005
        - no code changes. module seems to work fine.
        - improve Coro::State docs, remove reference to nonexisting
          Coro::State::flush method.
        - no longer autodetect windows, present it as an option instead.

1.2  Mon May 16 02:00:55 CEST 2005
        - included libcoro.c earlier in State.xs, might improve portability.
        - use a faster and possibly more stable Coro::Cont implementation.
        - accept x86_64 in addition to amd64 for optimized linux-amd64 support.
        - fix bugs Coro::SemaphoreSet that could cause locks never to be freed.
        - fix bugs in CoroAPI.h and document it in Coro::MakeMaker.

1.11 Thu Mar  3 18:00:52 CET 2005
        - change of contact address.

1.1 Tue Feb 22 20:51:16 CET 2005
        - support [l]inux method on amd64.
        - allow some context switches while compiling/eval'ing.

1.0  Tue Aug 10 03:47:27 CEST 2004
        - Event 0.89 fixes the bug again.
        - fix the remaining(??) memleak. I didn't free the cache-AV for
          padlists, so one AV per created anon-sub leaked.

0.97 Fri May 14 15:23:32 CEST 2004
        - remove stupid gcc extension that was an experiment only anyway.

0.96 Thu May 13 18:09:29 CEST 2004
        - tell people if they have yet another broken Event variant.
        - made Coro to work _better_ with threads (it seems that, as long
          as you use Coros in one thread only everything will work fine.
          Looking at the perl source the problem might be missing locking
          between Coro and some perl internal routines. That's not easily
          fixable).
        - (hopefully) got rid of the static xnext inside transfer.

0.95 Sun Feb 15 03:20:28 CET 2004
        - removed Coro::State::flush, implemented a new and much
          faster caching mechanism by attaching magic to the CV.
        - a memleak with (real) closures remains.
        - dramatically reduced size of stacks to 65536 (linux/x86), after
          observing that even myhttpd never had more than a kilobyte
          of stack in use (stack is still only physically allocated in
          pagesize increments for systems suporting mmap).
        - fix for a "cygwin-64" architecture added, proposed by Stefan Traby.
        - fix for threaded perl.

0.9  Sun Nov 23 04:32:39 CET 2003
        - fix a few very hard to track down but (of course) stupid
          memory leaks.
        - stringify version number to avoid locale problems :(.
        - perl 5.9.0 does not have SvPADBUSY, reported by Scott Walters,
          hopefully ignoring it "just works".

0.8   Wed Nov  5 19:38:40 CET 2003
        - port to perl5.005_03, but only 5.8.x+ is supported!
        - honor LocalAddr even without LocalPort in Coro::Socket.

0.7   Tue May 27 03:12:38 CEST 2003
        - the version jump indicates some level of testing, not gobs
          of new features.
        - uh... I found the prompt function in ExtUtils::MakeMaker.
          Highly correct stuff, that is...
        - fixed(?) a bug with die's in coroutines causing "panic: top_env".
          the fix is not well understood by the author, so beware :(.

0.652 Thu May  8 02:54:46 CEST 2003
        - Applied patch by Slaven Rezic to set default to "s" on FreeBSD,
          cause version 4 doesn't have ucontext.
        - Benjamin Reed reported that setjmp works fine on darwin,
          so preselect it.

0.651 Sat Mar 29 15:00:23 CET 2003
        - fix a bug in Coro::Handle where some bytes could get lost
          on reading, reported by jason@nichego.net.

0.65  Sun Mar 23 00:08:26 CET 2003
        - added a README.linux-glibc.
        - new module Coro::Select.
        - also save/restore PL_comppad, fixes segfaults with 5.8.1.
          (I never claimed that I know what I am doing ;).
        - set default to setjmp/longjmp on non-x86-linux.

0.6   Thu Nov 21 11:09:06 CET 2002
        - made lazy context switching the default.
        - fixed the bug where SemaphoreSet::guard
          was the same as timed_guard and timed_guard was missing.
        - fix a memleak in Coro::Timer.
        - reclassified context sharing as not experimental.

0.534 Sun Apr 14 03:05:12 CEST 2002
        - fixed backspace => tab in header parsing (myhttpd).
        - added eg/readline, for elmex.
        - Coro::Event now calls ->start on first call instead of
          ->again, which created wrong timeouts for the first ->next.
        - fixed a bug where Coro::Socket returned a closed socket instead
          of nothing on ECONNREFUSED and similar error conditions.

0.533 Mon Feb 18 18:49:40 CET 2002
        - adapt to finally working Event-0.85.
        - fixed buggy event initialization (trapped under windows, but how
          could it possibly have worked anywhere?)

0.532 Wed Jan 16 02:45:32 CET 2002
        - removed the reference to pp_entersub, might work on
          (some) win32 perls now (testsuite works under cygwin,
          without Event, which freezes).

0.531 Mon Dec 10 22:18:44 CET 2001
        - Fixed a bug in SemaphoreSet::timed_down.

0.53  Tue Nov 27 21:11:13 CET 2001
        - some tests for Event.
        - slightly different internal architecture to get refcnt into the object
          and not the reference. might fix a few bugs, certainly did introduce
          new ones.
        - Coro::Timer (independent of Event).
        - new timed_wait functions for Coro::Signal, Semaphore, SemaphoreSet.

0.52  Tue Nov  6 21:36:18 CET 2001
        - ported to cygwin (trivial).
          patch by Gerrit P. Haase <gp@familiehaase.de>.
        - small setjmp code fix by Sullivan.DanielJ@epamail.epa.gov.

0.51  Thu Nov  1 20:39:01 CET 2001
        - terminate/cancel now work properly (otherwise termination
          could cause a "next coroutine is not and contains not..."
          error.
        - added Coro::Socket::shutdown.
        - Coro::Event::loop no is the same as Event::loop.
        - implemented terminate with args + join.

0.5   Fri Sep 28 16:15:35 CEST 2001
        - fixed "print" on a Coro::Handle. The print method worked.
        - small tweaks (seem to reduce memory consumption a lot)
          in various modules.
        - splendid use of "no warnings" scattered throughout.
        - added Coro::Handle::rbuf, fixed Coro::Handle::fh.

0.49  Sun Sep 16 02:42:45 CEST 2001
        - changed some method calls to function calls for speed
          inside Coro::Handle.
        - make Coro::Handle use an array instead of a hash for
          speed reasons.
        - IRIX mystery solved: it's SGI's NT, after all: "standard, huh?".
          sjlj and ucontext should now work.
        - IRIX-specific port for libcoro.
        - swapped order of accept results to match IO::Socket.
        - changed getsock/peername to sock/peername to match IO::Socket.
        - fixed a bug that caused segfault when returning to main task
          under some circumstances.
        - other bugfixes.

0.45  Sun Sep  2 02:54:01 CEST 2001
        - new method Coro::Handle::timeout.
        - corrected speling of set...name to get...name in Coro::Socket.
        - Coro::Socket::accept now returns a Coro::Socket, not a Coro::Handle.
        - Coro::Handle now supports fileno and FILENO.
        - added eg/myhttpd, a web server.
        - Coro::Socket now accepts numeric ports as well as "port(number)"
          syntax.
        - moved some scheduling primitives into xs code. more to come.
        - new simple priority system.
        - implemented Coro::Event using XS, almost four times faster!
        - small memory corruption problem fixed (boy that was difficult).

0.13  Wed Aug  8 16:53:07 CEST 2001
        - new method Coro::Handle::readline.
        - added eg/lwp and Coro::Handle::autoflush, to make LWP work.
          (see eg/lwp on how to make LWP non-blocking).
        - renamed Coro::Socket::new_inet to new.
        - added Coro::Util, some utility functions.
        - die/eval now works better (still get annoying (but true ;)
          "Callback called exit" messages).
        - Coro::Handle now supports timeout, and Coro::Socket Timeout.
        - much better Coro::Socket support.

0.12  Fri Jul 27 04:19:01 CEST 2001
        - do not use mmap if neither MAP_ANON nor MAP_ANONYMOUS is defined.
        - very experimental stack sharing algorithm. not 100% safe but
          should work well in practise ;)
        - added Coro::RWLock.
        - Coro::Specific now works.

0.11  Tue Jul 24 22:49:21 CEST 2001
        - added specialized hack for newer and older linux versions (fast).
        - renamed Coro::Event::IO to Coro::Handle.
        - new module Coro::Socket.

0.1   Tue Jul 24 01:47:53 CEST 2001
        - release candidate 3. A rather new internal structure :(
        - the great renaming: Damian Conway gave me a suitable replacement
          for yield.
        - added Coro/libcoro, a portable coroutine implementation for C
          (not even perl-dependent!!!), which can be used by Coro::State.
        - renamed SAVE_DEFSV (on xs-level only) to avoid symbol clash in
          perl-5.6.
        - new function Coro::Event::idle.
        - the idle process is now overriden
          by default in Coro::Event.
        - Coro::Channel now enforces the size.
        - canceling events now works in all cases.
        - Coro state now include $_ and $@.
        - yet another bug workaround that I do not really understand :(
        - new module Coro::Event::IO (very undocumented) to do
          non-blocking i/o.
        - performance tuning.

0.08  Thu Jul 19 06:13:25 CEST 2001
        - release candidate 2 (new functionality).
        - add Coro::State::flush function.
        - transfer now supports a flags value (mostly for speed ATM).
        - might compile and work in the presence of threads now.
        - continuations have a saner syntax.
        - no more memleaks.

0.07  Tue Jul 17 17:40:18 CEST 2001
        - release candidate 1 ;)
        - slightly nicer code.
        - fixed a scheduling bug in Coro::Event.

0.06  Tue Jul 17 04:23:24 CEST 2001
        - ok, I found the showstopper - the same sub must not be
          re-entered in two different coroutines, otherwise => crash. I
          see no easy solution to this problem, except by walking the call
          chaing and saving/restoring the cv's, which is what I do now.
        - memory leaks still latent, especially at thread termination.
        - Coro::Event now works (haha).

0.05  Sun Jul 15 17:32:20 CEST 2001
        - fixed a few issues in Coro::Event.
        - I forgot to include Coro::Event in 0.04 :(:(:(

0.04  Sun Jul 15 05:24:59 CEST 2001
        - @_ is now properly localized.
        - Coro::State is now easier subclassable.
        - Coro::Cont now coroutine-aware.
        - Coro::Specific is a low-overhead module to create
          coroutine-specific vars.
        - Coro::Event provides a simple interface to Event.

0.03  Fri Jul 13 14:51:52 CEST 2001
        - transfer() now implemented in XS (beware).
        - new module Coro::Cont for really faked continuations.
        - big internal architecture changes: Coro::State is now
          really low-level and can thus be used to implement other
          interesting things, While "Coro::" implements a process-like
          model. Still crude and subject to change.
        - $_ and $@ are no longer being localized.

0.02  Tue Jul 10 01:38:17 CEST 2001
        - implemented "async" attribute.
        - $_ and $@ are now localized.
        - added Coro::Channel.
        - more testcases, still no docs.

0.01  Tue Jul  3 02:18:41 CEST 2001
        - original version; copied from Convert::Scalar.

Revision:	1.171
Committed:	Sun Dec 3 21:59:52 2006 UTC (17 years, 5 months ago) by root
Branch:	MAIN
CVS Tags:	rel-3_0
Changes since 1.170:	+1 -1 lines
Log Message:	3.0
#	User	Rev	Content
1	root	1.1	Revision history for Perl extension Coro.
2	root	1.113
3	root	1.169	TODO: transfer flags must be per state
4
5	root	1.171	3.0 Sun Dec 3 22:57:25 CET 2006
6	root	1.163	- the "FINALLY COMPLETELY STABLE" release (coming soon:
7			the "FAMOUS LAST WORDS" release).
8	root	1.166	- implement a new stack sharing algorithm, which uses a stack
9			pool (size currently hardcoded).
10	root	1.155	- make stack sharing mandatory (it no longer uses a heuristic).
11	root	1.157	- eval/die no longer cause weird problems under heavy use.
12	root	1.152	- Coro::Event could cause livelocks if it was used but
13	root	1.161	no Coro::Event watchers were used.
14	root	1.167	- Coro::Event now uses asynccheck as prepare does not
15			check for changed watchers.
16	root	1.170	- Coro::Event allows multiple waiting coros and will wake up one
17			per event.
18	root	1.152	- Coro::Event should be cleaner and more efficient now.
19	root	1.165	- new utility function Coro::unblock_sub.
20	root	1.164	- document the sad fact that Event is no longer reentrant.
21	root	1.163	- putting a coroutine into the ready queue twice could under
22			some circumstances lead to stack corruption.
23	root	1.161	- minor incompatibility: subclassing Coro::State is supported
24			directly now without going through a _coro_state member.
25	root	1.156	- state/coro switching is much faster now.
26	root	1.154	- very minor optimisations and code/documentation cleanup.
27	root	1.153	- avoid problems due to compiler inlining.
28	root	1.154	- removed timers from Coro::Timer -> use AnyEvent instead.
29			- replaced Coro::idle coroutine by (cleaner) idle handler.
30	root	1.156	- updated to newest libcoro.
31	root	1.159	- implement enhanced support for valgrind.
32	root	1.162	- implement is_ready and return value for ready.
33	root	1.168	- removed Coro::Cont, it was a misnomer (it's generators),
34			and it was somewhat annoying to get it right. Will come back
35			if somebody asks for it :)
36	root	1.163	- many ->wait methods and Coro::Event could return
37			spuriously without the event having happened.
38	root	1.146
39	root	1.145	2.5 Tue Nov 7 12:22:33 CET 2006
40	root	1.143	- made Coro::Util, Coro::Select, Coro::Handle and Coro::Socket
41			use AnyEvent, moved them to Coro/.
42	root	1.140	- added Coro::LWP which contains all the uglyness required to
43			make LWP non-blocking.
44			- should work with perl 5.9.x now (Andreas König made me do it).
45	root	1.141	- fixed another bug in Coro::Select when the timeout was undef.
46	root	1.136	- reuse PL_start_env for all coros, saves some memory per coroutine.
47			- manage PL_top_env differently, hopefully to avoid panic: top_env.
48	root	1.137	- timeout argument was not properly used in Coro::Socket.
49			- allow limited forms of subclassing in Coro::Handle/Coro::Socket.
50	root	1.138	- emulate undocumented(!) functionality of IO::Socket required
51			by LWP(!!).
52			- updated eg/lwp to work with newer lwp's.
53	root	1.140	- remove "FATAL: uncaught exception" prefix. Coroutines that die
54			kill the whole process, just as exceptions in the main "coroutine"
55			did already.
56	root	1.135
57	root	1.134	2.1 Wed Nov 1 23:01:13 CET 2006
58			- fix a long-standing bug in Coro::Select where select with
59			zero timeout would instead change the current default filehandle.
60	root	1.132	- use a simpler and hopefully more robust way to clone padlists
61			(uses less memory and a perl function instead of our own).
62			- coro can now create a stack guard area on many architectures.
63	root	1.134	- Coro::AIO properly reexports additional functions from IO::AIO.
64	root	1.132	- updated libcoro with a workaround for OS X,
65	root	1.134	pach and testing by Michael Schwern.
66	root	1.130
67	root	1.129	2.0 Tue Oct 24 05:47:17 CEST 2006
68	root	1.128	- support additional aio requests in Coro::AIO.
69
70	root	1.129	1.9 (never properly released due to a glitch)
71
72	root	1.127	1.8 Thu Feb 2 00:59:06 CET 2006
73	root	1.125	- applied suggested patch by SAMV to avoid problems during stupid
74			mark & sweep gc run.
75	root	1.126	- applied patch by Scott Walters for 5.9.3 compatibility.
76	root	1.125
77	root	1.124	1.7 Tue Dec 27 01:41:58 CET 2005
78	root	1.123	- added Coro::AIO, a thin wrapper around IO::AIO.
79	root	1.122	- improved Makefile.PL explanations.
80
81	root	1.119	1.6 Mon Dec 12 21:30:05 CET 2005
82	root	1.117	- additionally save PM_curpm might fix as-of-yet
83	root	1.121	unseen problems with regex matches being attributed to the
84	root	1.117	wrong package.
85	root	1.118	- add t/10_bugs.t, which currently checks against imho broken
86			perls that use 0.26MB of stack space per Perl_magic_get
87	root	1.121	invocation (newer linuxes) as opposed to the 0.0002MB perl
88			normally uses.
89	root	1.120	- make stacksize configurable for the ultimate debian experience.
90	root	1.117
91	root	1.116	1.51 Mon Dec 12 18:48:36 CET 2005
92			- remove debugging warn() accidentally left in Coro::Select.
93
94	root	1.115	1.5 Tue Nov 29 13:32:44 CET 2005
95	root	1.114	- use Coro::Event inside Coro::Select to avoid spurious deadlocks.
96	root	1.115	- fix Coro::Select 'select'.
97			- strict'ify some modules.
98	root	1.112	- libcoro errornously restored the SIGUSR2 handler to SIGUSR1.
99	root	1.115	- use XSLoader in selected modules.
100			- remove some 5.6 compatibility cruft.
101	root	1.112
102	root	1.111	1.4 Tue Sep 6 00:11:05 CEST 2005
103			- libcoro did not take into account the trampoline on amd64,
104			when 'l'inux method was used.
105
106	root	1.110	1.31 Tue Aug 30 23:31:33 CEST 2005
107			- some portability fixes/workarounds.
108
109	root	1.107	1.3 Sat Aug 20 03:08:56 CEST 2005
110	root	1.108	- no code changes. module seems to work fine.
111	root	1.106	- improve Coro::State docs, remove reference to nonexisting
112			Coro::State::flush method.
113	root	1.107	- no longer autodetect windows, present it as an option instead.
114	root	1.106
115	root	1.105	1.2 Mon May 16 02:00:55 CEST 2005
116	root	1.100	- included libcoro.c earlier in State.xs, might improve portability.
117	root	1.101	- use a faster and possibly more stable Coro::Cont implementation.
118	root	1.102	- accept x86_64 in addition to amd64 for optimized linux-amd64 support.
119	root	1.104	- fix bugs Coro::SemaphoreSet that could cause locks never to be freed.
120	root	1.105	- fix bugs in CoroAPI.h and document it in Coro::MakeMaker.
121	root	1.100
122	root	1.99	1.11 Thu Mar 3 18:00:52 CET 2005
123			- change of contact address.
124
125	root	1.98	1.1 Tue Feb 22 20:51:16 CET 2005
126	root	1.97	- support [l]inux method on amd64.
127	root	1.109	- allow some context switches while compiling/eval'ing.
128	root	1.97
129	root	1.96	1.0 Tue Aug 10 03:47:27 CEST 2004
130	root	1.95	- Event 0.89 fixes the bug again.
131	root	1.96	- fix the remaining(??) memleak. I didn't free the cache-AV for
132			padlists, so one AV per created anon-sub leaked.
133	root	1.95
134	pcg	1.94	0.97 Fri May 14 15:23:32 CEST 2004
135			- remove stupid gcc extension that was an experiment only anyway.
136
137	pcg	1.93	0.96 Thu May 13 18:09:29 CEST 2004
138	root	1.103	- tell people if they have yet another broken Event variant.
139	pcg	1.91	- made Coro to work _better_ with threads (it seems that, as long
140			as you use Coros in one thread only everything will work fine.
141			Looking at the perl source the problem might be missing locking
142			between Coro and some perl internal routines. That's not easily
143			fixable).
144	pcg	1.92	- (hopefully) got rid of the static xnext inside transfer.
145	pcg	1.91
146	pcg	1.90	0.95 Sun Feb 15 03:20:28 CET 2004
147	pcg	1.86	- removed Coro::State::flush, implemented a new and much
148			faster caching mechanism by attaching magic to the CV.
149	pcg	1.87	- a memleak with (real) closures remains.
150	pcg	1.88	- dramatically reduced size of stacks to 65536 (linux/x86), after
151			observing that even myhttpd never had more than a kilobyte
152			of stack in use (stack is still only physically allocated in
153			pagesize increments for systems suporting mmap).
154	pcg	1.89	- fix for a "cygwin-64" architecture added, proposed by Stefan Traby.
155	pcg	1.90	- fix for threaded perl.
156	pcg	1.86
157	pcg	1.85	0.9 Sun Nov 23 04:32:39 CET 2003
158	pcg	1.84	- fix a few very hard to track down but (of course) stupid
159			memory leaks.
160			- stringify version number to avoid locale problems :(.
161	pcg	1.85	- perl 5.9.0 does not have SvPADBUSY, reported by Scott Walters,
162			hopefully ignoring it "just works".
163	pcg	1.84
164	pcg	1.83	0.8 Wed Nov 5 19:38:40 CET 2003
165			- port to perl5.005_03, but only 5.8.x+ is supported!
166	pcg	1.82	- honor LocalAddr even without LocalPort in Coro::Socket.
167
168	root	1.81	0.7 Tue May 27 03:12:38 CEST 2003
169			- the version jump indicates some level of testing, not gobs
170			of new features.
171	root	1.80	- uh... I found the prompt function in ExtUtils::MakeMaker.
172			Highly correct stuff, that is...
173	root	1.81	- fixed(?) a bug with die's in coroutines causing "panic: top_env".
174			the fix is not well understood by the author, so beware :(.
175	root	1.80
176	root	1.79	0.652 Thu May 8 02:54:46 CEST 2003
177	root	1.76	- Applied patch by Slaven Rezic to set default to "s" on FreeBSD,
178	root	1.78	cause version 4 doesn't have ucontext.
179	root	1.77	- Benjamin Reed reported that setjmp works fine on darwin,
180			so preselect it.
181	root	1.76
182	root	1.75	0.651 Sat Mar 29 15:00:23 CET 2003
183			- fix a bug in Coro::Handle where some bytes could get lost
184			on reading, reported by jason@nichego.net.
185	root	1.74
186	root	1.73	0.65 Sun Mar 23 00:08:26 CET 2003
187	root	1.72	- added a README.linux-glibc.
188			- new module Coro::Select.
189			- also save/restore PL_comppad, fixes segfaults with 5.8.1.
190			(I never claimed that I know what I am doing ;).
191	root	1.73	- set default to setjmp/longjmp on non-x86-linux.
192	root	1.72
193	root	1.71	0.6 Thu Nov 21 11:09:06 CET 2002
194			- made lazy context switching the default.
195			- fixed the bug where SemaphoreSet::guard
196			was the same as timed_guard and timed_guard was missing.
197			- fix a memleak in Coro::Timer.
198			- reclassified context sharing as not experimental.
199
200	root	1.70	0.534 Sun Apr 14 03:05:12 CEST 2002
201	root	1.69	- fixed backspace => tab in header parsing (myhttpd).
202	root	1.70	- added eg/readline, for elmex.
203			- Coro::Event now calls ->start on first call instead of
204			->again, which created wrong timeouts for the first ->next.
205			- fixed a bug where Coro::Socket returned a closed socket instead
206			of nothing on ECONNREFUSED and similar error conditions.
207	root	1.69
208	root	1.68	0.533 Mon Feb 18 18:49:40 CET 2002
209			- adapt to finally working Event-0.85.
210			- fixed buggy event initialization (trapped under windows, but how
211			could it possibly have worked anywhere?)
212
213	root	1.67	0.532 Wed Jan 16 02:45:32 CET 2002
214	root	1.66	- removed the reference to pp_entersub, might work on
215			(some) win32 perls now (testsuite works under cygwin,
216			without Event, which freezes).
217	root	1.65
218	root	1.64	0.531 Mon Dec 10 22:18:44 CET 2001
219	root	1.63	- Fixed a bug in SemaphoreSet::timed_down.
220
221	root	1.64	0.53 Tue Nov 27 21:11:13 CET 2001
222	root	1.60	- some tests for Event.
223	root	1.61	- slightly different internal architecture to get refcnt into the object
224			and not the reference. might fix a few bugs, certainly did introduce
225			new ones.
226			- Coro::Timer (independent of Event).
227	root	1.62	- new timed_wait functions for Coro::Signal, Semaphore, SemaphoreSet.
228	root	1.60
229	root	1.64	0.52 Tue Nov 6 21:36:18 CET 2001
230	root	1.58	- ported to cygwin (trivial).
231			patch by Gerrit P. Haase <gp@familiehaase.de>.
232			- small setjmp code fix by Sullivan.DanielJ@epamail.epa.gov.
233
234	root	1.64	0.51 Thu Nov 1 20:39:01 CET 2001
235	root	1.54	- terminate/cancel now work properly (otherwise termination
236			could cause a "next coroutine is not and contains not..."
237			error.
238	root	1.55	- added Coro::Socket::shutdown.
239	root	1.56	- Coro::Event::loop no is the same as Event::loop.
240			- implemented terminate with args + join.
241	root	1.54
242	root	1.64	0.5 Fri Sep 28 16:15:35 CEST 2001
243	root	1.53	- fixed "print" on a Coro::Handle. The print method worked.
244	root	1.50	- small tweaks (seem to reduce memory consumption a lot)
245			in various modules.
246			- splendid use of "no warnings" scattered throughout.
247	root	1.52	- added Coro::Handle::rbuf, fixed Coro::Handle::fh.
248	root	1.48
249	root	1.47	0.49 Sun Sep 16 02:42:45 CEST 2001
250	root	1.43	- changed some method calls to function calls for speed
251			inside Coro::Handle.
252	root	1.44	- make Coro::Handle use an array instead of a hash for
253			speed reasons.
254			- IRIX mystery solved: it's SGI's NT, after all: "standard, huh?".
255			sjlj and ucontext should now work.
256			- IRIX-specific port for libcoro.
257	root	1.45	- swapped order of accept results to match IO::Socket.
258	root	1.46	- changed getsock/peername to sock/peername to match IO::Socket.
259			- fixed a bug that caused segfault when returning to main task
260			under some circumstances.
261			- other bugfixes.
262	root	1.43
263	root	1.42	0.45 Sun Sep 2 02:54:01 CEST 2001
264	root	1.36	- new method Coro::Handle::timeout.
265			- corrected speling of set...name to get...name in Coro::Socket.
266			- Coro::Socket::accept now returns a Coro::Socket, not a Coro::Handle.
267			- Coro::Handle now supports fileno and FILENO.
268			- added eg/myhttpd, a web server.
269	root	1.37	- Coro::Socket now accepts numeric ports as well as "port(number)"
270			syntax.
271	root	1.38	- moved some scheduling primitives into xs code. more to come.
272	root	1.39	- new simple priority system.
273	root	1.40	- implemented Coro::Event using XS, almost four times faster!
274	root	1.41	- small memory corruption problem fixed (boy that was difficult).
275	root	1.36
276	root	1.35	0.13 Wed Aug 8 16:53:07 CEST 2001
277	root	1.31	- new method Coro::Handle::readline.
278	root	1.34	- added eg/lwp and Coro::Handle::autoflush, to make LWP work.
279			(see eg/lwp on how to make LWP non-blocking).
280	root	1.31	- renamed Coro::Socket::new_inet to new.
281	root	1.32	- added Coro::Util, some utility functions.
282	root	1.33	- die/eval now works better (still get annoying (but true ;)
283			"Callback called exit" messages).
284	root	1.34	- Coro::Handle now supports timeout, and Coro::Socket Timeout.
285			- much better Coro::Socket support.
286	root	1.31
287			0.12 Fri Jul 27 04:19:01 CEST 2001
288	root	1.29	- do not use mmap if neither MAP_ANON nor MAP_ANONYMOUS is defined.
289	root	1.34	- very experimental stack sharing algorithm. not 100% safe but
290	root	1.28	should work well in practise ;)
291	root	1.30	- added Coro::RWLock.
292	root	1.31	- Coro::Specific now works.
293	root	1.28
294			0.11 Tue Jul 24 22:49:21 CEST 2001
295	root	1.27	- added specialized hack for newer and older linux versions (fast).
296			- renamed Coro::Event::IO to Coro::Handle.
297			- new module Coro::Socket.
298
299	root	1.26	0.1 Tue Jul 24 01:47:53 CEST 2001
300	root	1.23	- release candidate 3. A rather new internal structure :(
301	root	1.24	- the great renaming: Damian Conway gave me a suitable replacement
302			for yield.
303	root	1.23	- added Coro/libcoro, a portable coroutine implementation for C
304	root	1.22	(not even perl-dependent!!!), which can be used by Coro::State.
305	root	1.20	- renamed SAVE_DEFSV (on xs-level only) to avoid symbol clash in
306			perl-5.6.
307	root	1.16	- new function Coro::Event::idle.
308			- the idle process is now overriden
309			by default in Coro::Event.
310	root	1.17	- Coro::Channel now enforces the size.
311	root	1.18	- canceling events now works in all cases.
312	root	1.19	- Coro state now include $_ and $@.
313			- yet another bug workaround that I do not really understand :(
314	root	1.21	- new module Coro::Event::IO (very undocumented) to do
315			non-blocking i/o.
316	root	1.25	- performance tuning.
317	root	1.16
318	root	1.15	0.08 Thu Jul 19 06:13:25 CEST 2001
319	root	1.14	- release candidate 2 (new functionality).
320	root	1.13	- add Coro::State::flush function.
321			- transfer now supports a flags value (mostly for speed ATM).
322			- might compile and work in the presence of threads now.
323	root	1.14	- continuations have a saner syntax.
324	root	1.19	- no more memleaks.
325	root	1.13
326	root	1.12	0.07 Tue Jul 17 17:40:18 CEST 2001
327			- release candidate 1 ;)
328			- slightly nicer code.
329			- fixed a scheduling bug in Coro::Event.
330
331	root	1.11	0.06 Tue Jul 17 04:23:24 CEST 2001
332			- ok, I found the showstopper - the same sub must not be
333	root	1.9	re-entered in two different coroutines, otherwise => crash. I
334			see no easy solution to this problem, except by walking the call
335			chaing and saving/restoring the cv's, which is what I do now.
336	root	1.11	- memory leaks still latent, especially at thread termination.
337			- Coro::Event now works (haha).
338	root	1.9
339	root	1.8	0.05 Sun Jul 15 17:32:20 CEST 2001
340			- fixed a few issues in Coro::Event.
341			- I forgot to include Coro::Event in 0.04 :(:(:(
342
343	root	1.7	0.04 Sun Jul 15 05:24:59 CEST 2001
344	root	1.5	- @_ is now properly localized.
345	root	1.4	- Coro::State is now easier subclassable.
346			- Coro::Cont now coroutine-aware.
347			- Coro::Specific is a low-overhead module to create
348			coroutine-specific vars.
349	root	1.6	- Coro::Event provides a simple interface to Event.
350	root	1.4
351	root	1.3	0.03 Fri Jul 13 14:51:52 CEST 2001
352	root	1.4	- transfer() now implemented in XS (beware).
353			- new module Coro::Cont for really faked continuations.
354			- big internal architecture changes: Coro::State is now
355	root	1.3	really low-level and can thus be used to implement other
356	root	1.4	interesting things, While "Coro::" implements a process-like
357			model. Still crude and subject to change.
358	root	1.3	- $_ and $@ are no longer being localized.
359
360	root	1.2	0.02 Tue Jul 10 01:38:17 CEST 2001
361			- implemented "async" attribute.
362			- $_ and $@ are now localized.
363			- added Coro::Channel.
364			- more testcases, still no docs.
365
366	root	1.1	0.01 Tue Jul 3 02:18:41 CEST 2001
367			- original version; copied from Convert::Scalar.
368