[ViewVC] Diff of: cvs/Coro/Changes

Comparing Coro/Changes (file contents):
Revision 1.530 by root, Fri Dec 11 18:32:23 2009 UTC vs.
Revision 1.613 by root, Tue Mar 5 18:37:43 2013 UTC

1	Revision history for Perl extension Coro.	1	Revision history for Perl extension Coro.
2		2
3	TODO: should explore PerlIO::coroaio (perl leaks like hell).	3	TODO: should explore PerlIO::coroaio (perl leaks like hell).
4	TODO: maybe implement a default message channel, very much like Erlang's
5	actor model (which is cool in a lot of important aspects (failures!),
6	but very lacking in others (higher level ipc)).
7	TODO: unready_all
8	TODO: myhttpd header parsing
9	TODO: channel->maxsize(newsize)?	4	TODO: channel->maxsize(newsize)?
		5	TODO: __GCC_HAVE_DWARF2_CFI_ASM
10		6
11	TODO: better error reporting when blocking inside the event idle loop? idleblock	7	- manually copy existing __DIE__ and __WARN__ handlers so
12	5.21	8	they lose their magic and will not cause segfaults later
		9	(testcase by Andrey Sagulin).
		10	- improved Coro::State documentation a bit.
		11	- Coro::Debug::command now flushes the output.
		12	- add hack detection code for x32 abi, because the braindead slugs
		13	who designed that made it look exactly like x86_64 without
		14	providing proper compile time symbols to test for it. as a result,
		15	this detection cannot work reliably.
		16	- valgrind stack registering was broken.
		17	- do not rely on Time::HiRes anymore in Coro::Debug.
		18
		19	6.23 Fri Dec 7 23:36:37 CET 2012
		20	- use experimental fiber implementation on native windows
		21	perls.
		22	- use sizeof (void *) as multiplication factor for stack sizes,
		23	to accomodate the totally braindamaged microsoft 64 bit "os".
		24	- changed verifier host from win2k-ap510-32 to win7-sp516-32/64.
		25	activeperl 5.16 crashes when PerlIO_define_layer is called due
		26	to some bug in the perl dll, strawberry perl at least passes
		27	the testsuite.
		28	- implement Coro::Handle->peeraddr/host/port, for slightly
		29	improved compatibility with LWP.
		30	- implement 5.17 compatibility by almost blindly applying a
		31	good-looking patch by Father Chrysostomos.
		32	- move stack management functions into libcoro 3.
		33	- libcoro version 3 "released".
		34	- support magic values as timed_io_once args.
		35	- recommend AnyEvent 7+ or EV 4+, also require EV
		36	version 4 or newer for Coro::EV.
		37
		38	6.10 Tue Oct 9 01:14:27 CEST 2012
		39	- updated ecb.h, it had a typo that caused it to not compile on many
		40	big endian systems (reported by many people).
		41	- disable memory fences in ecb.h to improve portability.
		42
		43	6.09 Sat Oct 6 23:25:02 CEST 2012
		44	- Coro::EV I/O watchers were not interruptible by exceptions
		45	(Coro::State::throw) (testcase by sten).
		46	- ->throw now puts threads into the ready queue, as this seems to
		47	be expected by existing code, and code that doesn't cope with spurious
		48	wakeups needs fixing anyway.
		49	- use fd -1 in mmap.
		50	- cast I32 to int in error message printf.
		51	- warn about broken so-called "hardened" kernels.
		52
		53	6.08 Fri Apr 13 12:05:47 CEST 2012
		54	- be more aggressive about exiting like perl does - formerly,
		55	exiting from the non-main thread would not execute END blocks.
		56
		57	6.07 Fri Nov 11 21:21:48 CET 2011
		58	- work around a bug in PerlIO (setting $SIG{__WARN__} to a PVCV).
		59	- update ecb.h.
		60
		61	6.06 Mon Aug 8 23:59:48 CEST 2011
		62	- cygwin unfortunately patches the stack at runtime, so we use the pthreads
		63	backend, which is an order of magnitude slower. unfortunately, cygwins
		64	pthread implementation isn't very complete either, so allocate the stack
		65	twice just to be sure.
		66	(note: cygwin also enables mymalloc, which is NOT THREADSAFE ON WINDOWS,
		67	in its ithreaded perl - best recompile cygwin and use the 'w'indows
		68	backend for much better performance. also disable ithreads for
		69	even better performance...).
		70
		71	6.05 Thu Aug 4 21:36:36 CEST 2011
		72	- blush, condvar values would not be propagated from send to recv anymore
		73	(reported by Chip Salzenberg).
		74	- use exponential increase for the readline buffer length in
		75	Coro::Handle. also reduce initial allocation to 1020 from 4096 bytes.
		76
		77	6.04 Wed Aug 3 17:15:45 CEST 2011
		78	- use even more efficient and more compatible condvars for
		79	compatibility to AnyEvent 6.x :)
		80	- more inconsequential ecb.h updates.
		81
		82	6.03 Wed Aug 3 11:41:30 CEST 2011
		83	- change how Coro patches AnyEvent condvars for compatibility to
		84	AnyEvent 6.x.
		85	- update ecb.h, to no longer include <pthread.h> in case WinNT.h
		86	hasn't been included.
		87
		88	6.02 Wed Jul 13 04:35:19 CEST 2011
		89	- "improve portability to Gentoo" - gentoo manages to put perl variables
		90	in memory areas that are farther than 2gb apart, which the jit couldn't
		91	handle and barfed. now it's just a bit slower on gentoo and similar
		92	systems.
		93
		94	6.01 Sun Jul 3 12:31:14 CEST 2011
		95	- workarounds are good, but the test for whether pthreads are used
		96	was not good. thisone should be better.
		97	- check differently whether gcc generates cfi instructions itself.
		98
		99	6.0 Wed Jun 29 19:43:35 CEST 2011
		100	- INCOMPATIBLE CHANGE: unreferenced coro objects will now be
		101	destroyed and cleaned up automatically (e.g. async { schedule }).
		102	- implement a JIT compiler for part of the thread switch code,
		103	which gives a 50% speed improvement on threaded perls, and
		104	about 4% on non-thraeded perls (so threaded perls now finally
		105	reach about half the speed of non-threaded perls).
		106	- slightly modernise Coro::Intro, add section about rouse functions.
		107	- avoid DEFSV and ERRSV, giving another 10% improvement
		108	in thread switching.
		109	- Coro::State->is_destroyed is now called is_zombie.
		110	- implement a Coro->safe_cancel method that might fail, but
		111	cancels in a "safer" way if it succeeds.
		112	- add preliminary support for DEBUGGING perls.
		113	- get rid of two hash-accesses when initialising a new Coro - this
		114	speeds up coro creation by almost a factor of two.
		115	- croak when a coro that is being cancelled tries to block
		116	(e.g. while executing a guard block), instead of crashing or
		117	deadlocking.
		118	- use a more robust and also faster method to identify Coro::State
		119	objects - speeds up everything a bit.
		120	- implement Coro->cancel in XS for a 20% speed improvement, and to
		121	be able to implement mutual cancellation.
		122	- speed up context switches by a percent or two by more efficiently
		123	allocating context stack entries.
		124	- implement Coro->join and Coro->on_destroy in XS for a speedup and
		125	a reduction in memory use.
		126	- cancelling a coro while it itself is cancelling another coro is
		127	now supported and working, instead of triggering an assertion.
		128	- be a bit more crash-resistant when calling (buggy) on_destroy
		129	callbacks (best effort).
		130	- move on_destroy into the slf_frame, to allow extension slf
		131	functions to have destructors.
		132	- get rid if coro refcounting - simply crash in other interpreter
		133	threads by nulling the pointers on clone.
		134	- simplify warn/die hook handling when loading Coro - the convoluted
		135	logic seems to be no longer neccessary.
		136	- use libecb instead of our own home-grown gcc hacks.
		137	- document alternatives to Coro::LWP. Please use them :)
		138	- work around another mindless idiotic NEEDLESS bug in openbsd/mirbsds
		139	sigaltstack. Really. wine suffers from it, erlang suffers from it,
		140	and it's known since at least 2006.
		141
		142	5.372 Wed Feb 23 06:14:30 CET 2011
		143	- apparently mingw doesn't provide a working gettimeofday, try to
		144	work around that by relying on Time::HiRes (indirectly brought to
		145	my attention by Max Maischein).
		146	- fix some portability issues when Time::HiRes was used.
		147
		148	5.371 Mon Feb 21 14:36:08 CET 2011
		149	- backport to windows process emulation code again.
		150
		151	5.37 Sat Feb 19 07:49:44 CET 2011
		152	- add a big "Coro thread life cycle" section to "man Coro".
		153	- try a tentative workaround against the breakage that 5.13 has
		154	introduced without depreciation period. sigh.
		155	- no longer use Time::HiRes if gettimeofday is available, which
		156	saves quite a lot of memory.
		157
		158	5.36 Sun Feb 13 05:33:41 CET 2011
		159	- automatically load Coro::Channel, Coro::RWLock, Coro::Semaphore,
		160	Coro::SemaphoreSet, Coro::Signal and Coro::Specific on first "new"
		161	method call.
		162	- undocument Coro::Timer::sleep and obsolete whole module.
		163	- optimise Coro::Timer::timeout memory and cpu usage.
		164	- slightly updated Coro::Intro for recent changes.
		165	- do not initialise PL_dirty anymore.
		166
		167	5.25 Thu Nov 11 01:08:39 CET 2010
		168	- try a different approach on netbsd - netbsd 5 finally has marginally
		169	working pthreads, but still broken ucontext/sigaltstack.
		170	- openbsd 4.8 finally got their act together, Coro works out of the box
		171	with asm, setjmp and pthreads (no change, just informational).
		172
		173	5.24 Sat Oct 23 11:27:12 CEST 2010
		174	- port to the EV 4.0 API.
		175	- work around bugs in mingw32, making strawberry perl work
		176	out of the box.
		177	- correctly modify Coro::AIO function prototypes
		178	so that they reflect the "no optional parameters" rule.
		179	- "ported" libcoro to C++.
		180
		181	5.23 Mon May 17 18:50:42 CEST 2010
		182	- be more resistant to ordering changes when initialising
		183	Coro::AnyEvent, Coro::EV and Coro::Event (reported by Matthias
		184	Waldorf).
		185	- document that perl 5.12 deliberately removed support for cloning.
		186
		187	5.22 Wed Apr 14 03:55:35 CEST 2010
		188	- correctly return udnef on errors in Coro::Handle::read/write
		189	(testcase by Marc Mims).
		190	- convert Coro::Util into a "perl compatibility wrapper" - the functions
		191	are less useful now, but are drop-in replacements for existing
		192	functions, listing better alternatives in the documentation. This also
		193	fixes a bug in Coro::LWP which naively substituted Socket::inet_aton
		194	with Coro::Util::inet_aton.
		195	- do not override $Coro::idle unconditionally in Coro.pm, as other
		196	modules could have provided their own idle coro already
		197	(for exmaple, Coro::AnyEvent).
		198	- fix Coro::Util::gethost* functions.
		199	- Coro::Timer corretcly exports it's symbols (reported by Hideki Yamamura).
		200
		201	5.21 Wed Dec 16 07:19:51 CET 2009
13	- automatically load Coro::AnyEvent when AnyEvent and Coro are used	202	- automatically load Coro::AnyEvent when AnyEvent and Coro are used
14	together.	203	together.
15	- add some examples on how to combine other event loops with Coro in	204	- add some examples on how to combine other event loops with Coro in
16	Coro::AnyEvent.	205	Coro::AnyEvent, and how to run it (and not to block). Seems to be
		206	the most common source of confusion.
		207	- try to catch people naively blocking in an event callback.
		208	- work around the perl filehandle bug issue in conjunction with
		209	older common::sense (as indirectly pointed out by ZSystem).
17	- clarify the "not from signal handlers" section.	210	- clarify the "not from signal handlers" section.
18		211
19	5.2 Sun Oct 4 14:54:24 CEST 2009	212	5.2 Sun Oct 4 14:54:24 CEST 2009
20	- Coro::Storable destroyed the prototypes of the functions it wrapped.	213	- Coro::Storable destroyed the prototypes of the functions it wrapped.
21	- export rouse_cb and rouse_wait by default now.	214	- export rouse_cb and rouse_wait by default now.

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Comparing Coro/Changes (file contents): Revision 1.530 by root, Fri Dec 11 18:32:23 2009 UTC vs. Revision 1.613 by root, Tue Mar 5 18:37:43 2013 UTC

Diff Legend

Comparing Coro/Changes (file contents):
Revision 1.530 by root, Fri Dec 11 18:32:23 2009 UTC vs.
Revision 1.613 by root, Tue Mar 5 18:37:43 2013 UTC