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Comparing Coro/Changes (file contents):
Revision 1.584 by root, Thu Aug 4 10:37:31 2011 UTC vs.
Revision 1.674 by root, Tue Aug 14 15:46:03 2018 UTC

1Revision history for Perl extension Coro. 1Revision history for Perl extension Coro.
2 2
3TODO: should explore PerlIO::coroaio (perl leaks like hell). 3TODO: should explore PerlIO::coroaio (perl leaks like hell).
4TODO: channel->maxsize(newsize)? 4TODO: channel->maxsize(newsize)?
5TODO: http://www.microsoft.com/msj/archive/s2ce.aspx 5TODO: __GCC_HAVE_DWARF2_CFI_ASM
6TODO: swap_sv, maybe add scope_swap_sv?
7TODO: croak when async_pool tries to run canceled thread?
8TODO: how to debug safe_cancle failure (vebrose mode? show how to make backtrace?)
9TODO: scalar context for Coro::AIO wrappers?
6 10
11TODO: perl -e 'use Coro; my $a = async {}; cede; $Coro::main->call(sub { warn 1 });' # works
12TODO: perl -e 'use Coro; $Coro::main->call(sub { warn 1 });' # doesn't work
13
14 - libcoro update: allow sharing of coro threads using the pthreads
15 backend among different pthreads, as is required by Coro::Multicore.
16 - minor code cleanups.
17
186.514 Thu Aug 31 18:25:31 CEST 2017
19 - safe_cancel no longer croaks when called on already-destroyed
20 thread, but instead "just works".
21
226.513 Sat Jul 15 01:18:51 CEST 2017
23 - experimental 5.22 comaptibility changes (PadlistNAMES).
24 - removed attributes example and made sure the other examples
25 still work.
26 - fix some statevar types for newer perls, should be of no consequence.
27
286.512 Fri Jul 14 05:03:17 CEST 2017
29 - seems to pass test suite down till 5.8.9, so make this the
30 minimum requirement in Makefile.PL.
31 - experimental 5.24 compatibility changes (SUB_ARGARRAY).
32 - experimental 5.26 compatibility changes (PL_comppad -> PADOFFSET).
33 - disable FORTIFY_SOURCE to avoid broken (but well-intentioned)
34 fortified longjmp variants in some libcs.
35 - re-try JIT allocation without PROT_EXEC, to hopefully improve
36 portability (still doesn't seem to work around broken selinux
37 mmap everywhere).
38 - speling fixes (Xavier Guimard).
39
406.511 Sun Jun 26 23:44:50 CEST 2016
41 - make it compile with threaded perls again.
42 - simplify and speed up __DIE__ and __WARN__ handling.
43
446.51 Sat Jun 25 20:57:20 CEST 2016
45 - 6.5 release didn't compile on most older perls due to
46 a logic error enabling experimental 5.24 code for all versions.
47 - since various broken or deficient patches float around
48 to work around the vtbl API breakage in perl, let's provide
49 our own workaround, which seems to be much less invasive
50 and more compatible than the approaches seen so far. YMMV.
51 - work around assertion failure in perl_destruct on 5.24
52 (analyzed by Dave Mitchell).
53
546.5 Wed Jun 22 22:23:50 CEST 2016
55 - swap_sv swapping order was not symmetrical, causing
56 wrong swaps when swap_sv was used multiple times on the
57 same sv in the same thread.
58 - swap_sv calls can now be undone by calling it again
59 with the same variables.
60 - swap_sv calls will now be undone in async_pool threads.
61 - split Coro::Semaphore::up/adjust into separate xs functions
62 for better error reporting, at slight codesize increase.
63 - (libcoro) arm assembly support, please test and report.
64 - adjust to PL_savestack changes in perl 5.24 (adapted from
65 the debian patch, which unfortunately gets it wrong).
66
676.49 Sat Oct 17 01:40:12 CEST 2015
68 - throwing an exception to a thread waiting in
69 Coro::Handle using Coro::EV did not stop the watchers,
70 causing the next call to fail (testcase by Martin Pritchard).
71 - bump minimum perl version to 5.10.
72
736.48 Sun Oct 4 19:03:51 CEST 2015
74 - fix memory leak when Coro::Handle uses Coro::EV internally
75 (testcase by Sten Sten).
76 - update code to libev 4 API (internally, Coro still used the
77 version 3 API calls).
78 - remove unused hv_sig.
79
806.47 Sat Jul 11 03:58:20 CEST 2015
81 - swap_svs - NVs can be in the SV head beginning with 5.20.
82
836.46 Tue Jun 30 14:36:30 CEST 2015
84 - restore portability to perls with windows fork emulation
85 (patch by Petr Písař).
86
876.45 Tue Jun 30 01:40:08 CEST 2015
88 - restore portability to perl 5.16 and below.
89
906.44 Tue Jun 30 00:41:54 CEST 2015
91 - avoid segfaulting (or worse) when tracing a canceled thread.
92 - the Event module silently broke it's public hook API, causing
93 failures on perls compiled with -Duselongdouble. Requiring
94 the latest version of Event because I don't know which release
95 changed this (it's not mentioned in the ChangeLog).
96 - allow xs level enterleave hooks via CoroAPI.
97
986.43 Thu Jun 4 15:38:14 CEST 2015
99 - use stability canary.
100 - port to stableperl-5.22.0-1.001.
101 - update libecb.
102
1036.42 Wed Feb 11 20:29:52 CET 2015
104 - Coro::SemaphoreSet->try did not actually work (analyzed by
105 SATO Kentaro).
106 - upgrade libecb to be C11 compliant.
107
1086.41 Sat Sep 6 22:08:46 CEST 2014
109 - restore portability to perl 5.8.x.
110 - give new Coro's a valid GvHV(PL_hintgv) - this is slow and takes
111 up some memory, but fixes "use feature" and similar modules
112 when used inside a Coro.
113 - allow zero as argument to Coro::Channel to mean the same thing
114 as no argument. this works with older versions as well,
115 but wasn't legal until now.
116 - slightly better c header file detection.
117
1186.39 Mon Jun 2 00:00:08 CEST 2014
119 - work around more incompatible changes in 5.20.
120
1216.38 Sun Jun 1 21:54:23 CEST 2014
122 - check that perl slots actually have enough space to hold
123 interpreter variables.
124 - untested port to perl 5.19 (64 bit tmps indices) (reported
125 by Andreas König).
126 - croak when cancel is called without a thread context.
127
1286.37 Tue Mar 4 13:27:33 CET 2014
129 - *sigh*, removed leftover debugging code from debugging a
130 perl bug, of all things.
131
1326.36 Tue Mar 4 07:11:59 CET 2014
133 - semaphores would not clear the destroy hook when interrupted
134 by ->throw, causing segfaults or worse.
135 - ->throw on a thread waiting for a semaphore did not acquire
136 the semaphore, but also didn't wake up other waiters,
137 possibly causing a deadlock.
138 - "FATAL: $Coro::IDLE blocked itself" will now use Carp::confess
139 to report a full stacktrace, which should help find out
140 where the actual call is.
141 - "atomically" destroy data in slf_destroy, because it is
142 the right thing to do, just in case.
143 - disable ecb.h libm dependency, to compile on ancient systems
144 or under adverse conditions.
145
1466.33 Mon Nov 18 11:26:27 CET 2013
147 - do not crash when freeing padlists with holes (in 5.18).
148 - tentative SVt_BIND 5.19 port/fix.
149
1506.32 Tue Nov 5 15:35:35 CET 2013
151 - use a new algorithm to derive padlists for perl 5.18. The old
152 one could lead to 0-pointer accesses inside perl (reported
153 by Darin McBride).
154
1556.31 Thu May 9 07:39:48 CEST 2013
156 - Coro::AIO requests would crash if the thread was ready'd
157 while the request was ongoing.
158
1596.29 Wed May 8 02:55:18 CEST 2013
160 - when an on_destroy handler destructs the coro currently being
161 destructed a perl scalar could be accessed after being freed,
162 likely causing a crash.
163
1646.28 Wed Mar 6 06:58:02 CET 2013
165 - clean remnants of existing __DIE__ and __WARN__ handlers so
166 they lose their magic and will not cause segfaults later
167 (testcase by Andrey Sagulin).
168 - improved Coro::State documentation a bit.
169 - Coro::Debug::command now flushes the output.
170 - add hack detection code for x32 abi, because the braindead slugs
171 who designed that made it look exactly like x86_64 without
172 providing proper compile time symbols to test for it. as a result,
173 this detection cannot work reliably.
174 - valgrind stack registering was broken.
175 - do not rely on Time::HiRes anymore in Coro::Debug.
176
1776.23 Fri Dec 7 23:36:37 CET 2012
178 - use experimental fiber implementation on native windows
179 perls.
180 - use sizeof (void *) as multiplication factor for stack sizes,
181 to accomodate the totally braindamaged microsoft 64 bit "os".
182 - changed verifier host from win2k-ap510-32 to win7-sp516-32/64.
183 activeperl 5.16 crashes when PerlIO_define_layer is called due
184 to some bug in the perl dll, strawberry perl at least passes
185 the testsuite.
186 - implement Coro::Handle->peeraddr/host/port, for slightly
187 improved compatibility with LWP.
188 - implement 5.17 compatibility by almost blindly applying a
189 good-looking patch by Father Chrysostomos.
190 - move stack management functions into libcoro 3.
191 - libcoro version 3 "released".
192 - support magic values as timed_io_once args.
193 - recommend AnyEvent 7+ or EV 4+, also require EV
194 version 4 or newer for Coro::EV.
195
1966.10 Tue Oct 9 01:14:27 CEST 2012
197 - updated ecb.h, it had a typo that caused it to not compile on many
198 big endian systems (reported by many people).
199 - disable memory fences in ecb.h to improve portability.
200
2016.09 Sat Oct 6 23:25:02 CEST 2012
202 - Coro::EV I/O watchers were not interruptible by exceptions
203 (Coro::State::throw) (testcase by sten).
204 - ->throw now puts threads into the ready queue, as this seems to
205 be expected by existing code, and code that doesn't cope with spurious
206 wakeups needs fixing anyway.
207 - use fd -1 in mmap.
208 - cast I32 to int in error message printf.
209 - warn about broken so-called "hardened" kernels.
210
2116.08 Fri Apr 13 12:05:47 CEST 2012
212 - be more aggressive about exiting like perl does - formerly,
213 exiting from the non-main thread would not execute END blocks.
214
2156.07 Fri Nov 11 21:21:48 CET 2011
216 - work around a bug in PerlIO (setting $SIG{__WARN__} to a PVCV).
217 - update ecb.h.
218
2196.06 Mon Aug 8 23:59:48 CEST 2011
220 - cygwin unfortunately patches the stack at runtime, so we use the pthreads
221 backend, which is an order of magnitude slower. unfortunately, cygwins
222 pthread implementation isn't very complete either, so allocate the stack
223 twice just to be sure.
224 (note: cygwin also enables mymalloc, which is NOT THREADSAFE ON WINDOWS,
225 in its ithreaded perl - best recompile cygwin and use the 'w'indows
226 backend for much better performance. also disable ithreads for
227 even better performance...).
228
2296.05 Thu Aug 4 21:36:36 CEST 2011
230 - blush, condvar values would not be propagated from send to recv anymore
231 (reported by Chip Salzenberg).
7 - use exponential increase for the readline buffer length in 232 - use exponential increase for the readline buffer length in
8 Coro::Handle. also reduce initial allocation to 1020 from 4096 bytes. 233 Coro::Handle. also reduce initial allocation to 1020 from 4096 bytes.
9 234
106.04 Wed Aug 3 17:15:45 CEST 2011 2356.04 Wed Aug 3 17:15:45 CEST 2011
11 - use even more efficient and more compatible condvars for 236 - use even more efficient and more compatible condvars for
… …
24 handle and barfed. now it's just a bit slower on gentoo and similar 249 handle and barfed. now it's just a bit slower on gentoo and similar
25 systems. 250 systems.
26 251
276.01 Sun Jul 3 12:31:14 CEST 2011 2526.01 Sun Jul 3 12:31:14 CEST 2011
28 - workarounds are good, but the test for whether pthreads are used 253 - workarounds are good, but the test for whether pthreads are used
29 was not good. thisone should be better. 254 was not good. this one should be better.
30 - check differently whether gcc generates cfi instructions itself. 255 - check differently whether gcc generates cfi instructions itself.
31 256
326.0 Wed Jun 29 19:43:35 CEST 2011 2576.0 Wed Jun 29 19:43:35 CEST 2011
33 - INCOMPATIBLE CHANGE: unreferenced coro objects will now be 258 - INCOMPATIBLE CHANGE: unreferenced coro objects will now be
34 destroyed and cleaned up automatically (e.g. async { schedule }). 259 destroyed and cleaned up automatically (e.g. async { schedule }).
35 - implement a JIT compiler for part of the thread switch code, 260 - implement a JIT compiler for part of the thread switch code,
36 which gives a 50% speed improvement on threaded perls, and 261 which gives a 50% speed improvement on threaded perls, and
37 about 4% on non-thraeded perls (so threaded perls now finally 262 about 4% on non-threaded perls (so threaded perls now finally
38 reach about half the speed of non-threaded perls). 263 reach about half the speed of non-threaded perls).
39 - slightly modernise Coro::Intro, add section about rouse functions. 264 - slightly modernise Coro::Intro, add section about rouse functions.
40 - avoid DEFSV and ERRSV, giving another 10% improvement 265 - avoid DEFSV and ERRSV, giving another 10% improvement
41 in thread switching. 266 in thread switching.
42 - Coro::State->is_destroyed is now called is_zombie. 267 - Coro::State->is_destroyed is now called is_zombie.
… …
396 - ->throw is now supported on Coro::State objects. 621 - ->throw is now supported on Coro::State objects.
397 - clean up cctx creation code a bit. 622 - clean up cctx creation code a bit.
398 - entersub is actually a UNOP, not a LOGOP (not a bugfix). 623 - entersub is actually a UNOP, not a LOGOP (not a bugfix).
399 624
4004.9 Sat Nov 8 17:45:27 CET 2008 6254.9 Sat Nov 8 17:45:27 CET 2008
401 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there). 626 - (libcoro) did not preserve rbp with CORO_ASM (we are getting there).
402 - (libcoro) no longer leak threads in the experimental pthread backend, 627 - (libcoro) no longer leak threads in the experimental pthread backend,
403 also speed it up considerably. 628 also speed it up considerably.
404 - (libcoro) do not rely on makecontext passing void *'s unscathed. 629 - (libcoro) do not rely on makecontext passing void *'s unscathed.
405 - fix compiletime dependencies on libcoro in the Makefile. 630 - fix compiletime dependencies on libcoro in the Makefile.
406 - cctx_count wasn't always updated properly. 631 - cctx_count wasn't always updated properly.
… …
468 - remove debugging code related to MgPV_nolen_const, also try to 693 - remove debugging code related to MgPV_nolen_const, also try to
469 make it compile with perl 5.8.6 (yes, apple apparently loves 694 make it compile with perl 5.8.6 (yes, apple apparently loves
470 outdated software). Reported by John S. 695 outdated software). Reported by John S.
471 696
4724.744 Tue Jul 8 22:06:35 CEST 2008 6974.744 Tue Jul 8 22:06:35 CEST 2008
473 - correctly provide default DIE/WARN handlers as documented. 698 - correctly provide default DIE/WARN handlers as documented.
474 - also overwrite PL_vtbl_sigelem.svt_clear, even though current 699 - also overwrite PL_vtbl_sigelem.svt_clear, even though current
475 implementations inside perl work fine for us. 700 implementations inside perl work fine for us.
476 701
4774.743 Mon Jun 16 00:21:57 CEST 2008 7024.743 Mon Jun 16 00:21:57 CEST 2008
478 - when using Coro::EV without running EV::loop it could 703 - when using Coro::EV without running EV::loop it could
… …
500 - sprinkle "no warnings" freely over everything, also suppress 725 - sprinkle "no warnings" freely over everything, also suppress
501 warnings for some other modules. 726 warnings for some other modules.
502 - fix typo in WSAEWOULDBLOCK. 727 - fix typo in WSAEWOULDBLOCK.
503 728
5044.72 Sun May 25 05:14:36 CEST 2008 7294.72 Sun May 25 05:14:36 CEST 2008
505 - tweak META.yaml a bit, unfortunately, there is no documented way 730 - tweak META.yaml a bit, unfortunately, there is no documented way
506 to have optional dependencies with CPAN. doh :( 731 to have optional dependencies with CPAN. doh :(
507 - avoid running some tests on windows because they would fail due to 732 - avoid running some tests on windows because they would fail due to
508 perl bug (broken fork, broken pipes...). 733 perl bug (broken fork, broken pipes...).
509 - work around perl on windows bugs where perl returns undocumented 734 - work around perl on windows bugs where perl returns undocumented
510 error codes for sysread, syswrite etc. by taking advantage 735 error codes for sysread, syswrite etc. by taking advantage
… …
514 - use unix domain sockets in testsuite to work around 739 - use unix domain sockets in testsuite to work around
515 common perl implementation bugs on widows (they are emulated by 740 common perl implementation bugs on widows (they are emulated by
516 tcp sockets on windows. ugh.) 741 tcp sockets on windows. ugh.)
517 742
5184.71 Sat May 24 20:01:27 CEST 2008 7434.71 Sat May 24 20:01:27 CEST 2008
519 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()"). 744 - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()").
520 - take advantage of async name resolution of AnyEvent::Util. 745 - take advantage of async name resolution of AnyEvent::Util.
521 - work around brutal inet_aton override in Coro::LWP. 746 - work around brutal inet_aton override in Coro::LWP.
522 - take advantage of the readyhook in Coro::EV, for smoother 747 - take advantage of the readyhook in Coro::EV, for smoother
523 scheduling. 748 scheduling.
524 749
5254.7 Sun May 11 00:32:19 CEST 2008 7504.7 Sun May 11 00:32:19 CEST 2008
526 - completely reworked the Coro manpage. 751 - completely reworked the Coro manpage.
527 - added Coro::AnyEvent, generic event loop integration. 752 - added Coro::AnyEvent, generic event loop integration.
528 - implement cancel, ready and kill commands in Coro::Debug. 753 - implement cancel, ready and kill commands in Coro::Debug.
529 - document find_coro in Coro::Debug. 754 - document find_coro in Coro::Debug.
530 - incompatible change: rename has_stack to has_cctx. 755 - incompatible change: rename has_stack to has_cctx.
531 - Coro::AIO and Coro::BDB no longer force event model detection, 756 - Coro::AIO and Coro::BDB no longer force event model detection,
532 use AnyEvent::AIO and AnyEvent::BDB. 757 use AnyEvent::AIO and AnyEvent::BDB.
… …
656 881
6574.11 Thu Oct 11 02:40:24 CEST 2007 8824.11 Thu Oct 11 02:40:24 CEST 2007
658 - port to threaded perls. 883 - port to threaded perls.
659 884
6604.1 Thu Oct 11 02:38:16 CEST 2007 8854.1 Thu Oct 11 02:38:16 CEST 2007
661 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now 886 - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now
662 be local to each coro (see Coro::State). 887 be local to each coro (see Coro::State).
663 - incompatible change: for very deep reasons, cede and cede_notself 888 - incompatible change: for very deep reasons, cede and cede_notself
664 cannot return anything, so nothing will be returned. 889 cannot return anything, so nothing will be returned.
665 - possibly bring back 5.10 compatibility (untested). 890 - possibly bring back 5.10 compatibility (untested).
666 - work around stupid (and wrong) warning on 5.10 :(. 891 - work around stupid (and wrong) warning on 5.10 :(.
… …
738 but stateful semantics. 963 but stateful semantics.
739 - fixed a lot of typos in Coro.pm (patch submitted by David 964 - fixed a lot of typos in Coro.pm (patch submitted by David
740 Steinbrunner, which applied flawlessly). 965 Steinbrunner, which applied flawlessly).
741 966
7423.6 Sat Apr 14 17:13:31 CEST 2007 9673.6 Sat Apr 14 17:13:31 CEST 2007
743 - added some bugfixes to get eg/myhttpd working again. 968 - added some bugfixes to get eg/myhttpd working again.
744 - added Coro::Storable for often-cede'ing freeze/thaw. 969 - added Coro::Storable for often-cede'ing freeze/thaw.
745 - try to do a clean exit when a coroutine calls exit 970 - try to do a clean exit when a coroutine calls exit
746 (EXPERIMENTAL). 971 (EXPERIMENTAL).
747 - got rid of indirect call through _coro_init. 972 - got rid of indirect call through _coro_init.
748 - updated the partly antique examples in eg/ to 973 - updated the partly antique examples in eg/ to

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