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Comparing Coro/Changes (file contents):
Revision 1.626 by root, Tue Mar 4 06:13:23 2014 UTC vs.
Revision 1.694 by root, Sat May 21 17:09:22 2022 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: __GCC_HAVE_DWARF2_CFI_ASM 5TODO: __GCC_HAVE_DWARF2_CFI_ASM
6TODO: swap_sv, maybe add scope_swap_sv, andallow to unswap by repeat? 6TODO: swap_sv, maybe add scope_swap_sv?
7TODO: swap_sv not undone in pool 7TODO: croak when async_pool tries to run canceled thread?
8TODO: how to debug safe_cancel failure (vebrose mode? show how to make backtrace?)
9TODO: scalar context for Coro::AIO wrappers?
10
11TODO: State.xs could short-circuit some macros such as CORO_EXECUTE_SLF
12TODO: use frame->destroy to improve Coro::EV
13
14TODO: concurrent ->recv on same condvar
15sub Coro::AnyEvent::CondVar::_send {
16 if ($_[0]{_ae_coro}) {
17 $_->ready
18 for values %{ delete $_[0]{_ae_coro} }
19 }
20};
21
22sub Coro::AnyEvent::CondVar::_wait {
23 until ($_[0]{_ae_sent}) {
24 $AnyEvent::CondVar::Base::WAITING = 0; # avoid recursive check by AnyEvent
25 local $_[0]{_ae_coro}{$Coro::current+0} = $Coro::current;
26 Coro::schedule;
27 }
28};
29
30 - potential fix for an interesting type of recursive coro
31 destruction (testcase by Christopher J. Madsen).
32 - add connected method as alias for peername in Coro::Handle, as
33 the inherited version does not work for us (analyzed by Simon816).
34 - change jit executable strategy, to hopefully appease more
35 hardened environments.
36
376.57 Wed Jul 29 15:08:44 CEST 2020
38 - override AnyEvent condvar methods "properly", as AnyEvent
39 has support for pluggable condvars since 2011. This also
40 avoids problems with recursive waits by avoiding to mix
41 impl methods with coro code.
42 - allow rouse_wait to be called in a different thread.
43 - slightly clarify rouse_cb/rouse_wait documentation.
44 - slightly improve rouse callback performance and memory usage.
45 - try to report correct calller when throwing exception in
46 on $condvar->recv, not a useless line in Coro::AnyEvent.
47
486.56 Thu Feb 20 19:40:07 CET 2020
49 - Coro::EV::time*once functions used ev_once, which is not cancelable.
50 This could cause problems due to I/O watchers not being stopped up
51 on exceptions/cancellation.
52
536.55 Fri Jul 19 17:28:09 CEST 2019
54 - Coro::RWLock woke up only one reader instead of all after a wrlock
55 (analyzed and patch by Maxim Skorobogatov).
56 - slightly improved documentation of Coro::RWLock and RWLock testcase.
57 - quickly (re)-ported to minix 3.3 before minix crashed again.
58
596.54 Sun Dec 16 11:06:07 CET 2018
60 - reinstate Coro::Select::select prototype - it breaks more than it fixes.
61
626.53 Sun Dec 16 10:33:15 CET 2018
63 - the autogenerated prototypes of Coro::AIO now add ";" at the end
64 to avoid generating named unary operators and messing up parsing
65 (mostly affects aio_mlockall 4 | 8 which was parsed as
66 (aio_mlockall 4) | 8).
67 - do not use a prototype for select in Coro::Select, as CORE::select also
68 doesn't have one.
69
706.52 Tue Aug 14 18:49:43 CEST 2018
71 - libcoro update: allow sharing of coro threads using the pthreads
72 backend among different pthreads, as is required by Coro::Multicore.
73 - always allow ->call and ->eval when the coro is the current coroutine. this
74 makes it possible, among other things, to call these on $Coro::main.
75 - minor code cleanups.
76
776.514 Thu Aug 31 18:25:31 CEST 2017
78 - safe_cancel no longer croaks when called on already-destroyed
79 thread, but instead "just works".
80
816.513 Sat Jul 15 01:18:51 CEST 2017
82 - experimental 5.22 comaptibility changes (PadlistNAMES).
83 - removed attributes example and made sure the other examples
84 still work.
85 - fix some statevar types for newer perls, should be of no consequence.
86
876.512 Fri Jul 14 05:03:17 CEST 2017
88 - seems to pass test suite down till 5.8.9, so make this the
89 minimum requirement in Makefile.PL.
90 - experimental 5.24 compatibility changes (SUB_ARGARRAY).
91 - experimental 5.26 compatibility changes (PL_comppad -> PADOFFSET).
92 - disable FORTIFY_SOURCE to avoid broken (but well-intentioned)
93 fortified longjmp variants in some libcs.
94 - re-try JIT allocation without PROT_EXEC, to hopefully improve
95 portability (still doesn't seem to work around broken selinux
96 mmap everywhere).
97 - speling fixes (Xavier Guimard).
98
996.511 Sun Jun 26 23:44:50 CEST 2016
100 - make it compile with threaded perls again.
101 - simplify and speed up __DIE__ and __WARN__ handling.
102
1036.51 Sat Jun 25 20:57:20 CEST 2016
104 - 6.5 release didn't compile on most older perls due to
105 a logic error enabling experimental 5.24 code for all versions.
106 - since various broken or deficient patches float around
107 to work around the vtbl API breakage in perl, let's provide
108 our own workaround, which seems to be much less invasive
109 and more compatible than the approaches seen so far. YMMV.
110 - work around assertion failure in perl_destruct on 5.24
111 (analyzed by Dave Mitchell).
112
1136.5 Wed Jun 22 22:23:50 CEST 2016
114 - swap_sv swapping order was not symmetrical, causing
115 wrong swaps when swap_sv was used multiple times on the
116 same sv in the same thread.
117 - swap_sv calls can now be undone by calling it again
118 with the same variables.
119 - swap_sv calls will now be undone in async_pool threads.
120 - split Coro::Semaphore::up/adjust into separate xs functions
121 for better error reporting, at slight codesize increase.
122 - (libcoro) arm assembly support, please test and report.
123 - adjust to PL_savestack changes in perl 5.24 (adapted from
124 the debian patch, which unfortunately gets it wrong).
125
1266.49 Sat Oct 17 01:40:12 CEST 2015
127 - throwing an exception to a thread waiting in
128 Coro::Handle using Coro::EV did not stop the watchers,
129 causing the next call to fail (testcase by Martin Pritchard).
130 - bump minimum perl version to 5.10.
131
1326.48 Sun Oct 4 19:03:51 CEST 2015
133 - fix memory leak when Coro::Handle uses Coro::EV internally
134 (testcase by Sten Sten).
135 - update code to libev 4 API (internally, Coro still used the
136 version 3 API calls).
137 - remove unused hv_sig.
138
1396.47 Sat Jul 11 03:58:20 CEST 2015
140 - swap_svs - NVs can be in the SV head beginning with 5.20.
141
1426.46 Tue Jun 30 14:36:30 CEST 2015
143 - restore portability to perls with windows fork emulation
144 (patch by Petr Písař).
145
1466.45 Tue Jun 30 01:40:08 CEST 2015
147 - restore portability to perl 5.16 and below.
148
1496.44 Tue Jun 30 00:41:54 CEST 2015
150 - avoid segfaulting (or worse) when tracing a canceled thread.
151 - the Event module silently broke it's public hook API, causing
152 failures on perls compiled with -Duselongdouble. Requiring
153 the latest version of Event because I don't know which release
154 changed this (it's not mentioned in the ChangeLog).
155 - allow xs level enterleave hooks via CoroAPI.
156
1576.43 Thu Jun 4 15:38:14 CEST 2015
158 - use stability canary.
159 - port to stableperl-5.22.0-1.001.
160 - update libecb.
161
1626.42 Wed Feb 11 20:29:52 CET 2015
163 - Coro::SemaphoreSet->try did not actually work (analyzed by
164 SATO Kentaro).
165 - upgrade libecb to be C11 compliant.
166
1676.41 Sat Sep 6 22:08:46 CEST 2014
168 - restore portability to perl 5.8.x.
169 - give new Coro's a valid GvHV(PL_hintgv) - this is slow and takes
170 up some memory, but fixes "use feature" and similar modules
171 when used inside a Coro.
172 - allow zero as argument to Coro::Channel to mean the same thing
173 as no argument. this works with older versions as well,
174 but wasn't legal until now.
175 - slightly better c header file detection.
176
1776.39 Mon Jun 2 00:00:08 CEST 2014
178 - work around more incompatible changes in 5.20.
179
1806.38 Sun Jun 1 21:54:23 CEST 2014
181 - check that perl slots actually have enough space to hold
182 interpreter variables.
183 - untested port to perl 5.19 (64 bit tmps indices) (reported
184 by Andreas König).
185 - croak when cancel is called without a thread context.
186
1876.37 Tue Mar 4 13:27:33 CET 2014
188 - *sigh*, removed leftover debugging code from debugging a
189 perl bug, of all things.
8 190
96.36 Tue Mar 4 07:11:59 CET 2014 1916.36 Tue Mar 4 07:11:59 CET 2014
10 - semaphores would not clear the destroy hook when interrupted 192 - semaphores would not clear the destroy hook when interrupted
11 by ->throw, causing segfaults or worse. 193 by ->throw, causing segfaults or worse.
12 - ->throw on a thread waiting for a semaphore did not acquire 194 - ->throw on a thread waiting for a semaphore did not acquire
… …
126 handle and barfed. now it's just a bit slower on gentoo and similar 308 handle and barfed. now it's just a bit slower on gentoo and similar
127 systems. 309 systems.
128 310
1296.01 Sun Jul 3 12:31:14 CEST 2011 3116.01 Sun Jul 3 12:31:14 CEST 2011
130 - workarounds are good, but the test for whether pthreads are used 312 - workarounds are good, but the test for whether pthreads are used
131 was not good. thisone should be better. 313 was not good. this one should be better.
132 - check differently whether gcc generates cfi instructions itself. 314 - check differently whether gcc generates cfi instructions itself.
133 315
1346.0 Wed Jun 29 19:43:35 CEST 2011 3166.0 Wed Jun 29 19:43:35 CEST 2011
135 - INCOMPATIBLE CHANGE: unreferenced coro objects will now be 317 - INCOMPATIBLE CHANGE: unreferenced coro objects will now be
136 destroyed and cleaned up automatically (e.g. async { schedule }). 318 destroyed and cleaned up automatically (e.g. async { schedule }).
137 - implement a JIT compiler for part of the thread switch code, 319 - implement a JIT compiler for part of the thread switch code,
138 which gives a 50% speed improvement on threaded perls, and 320 which gives a 50% speed improvement on threaded perls, and
139 about 4% on non-thraeded perls (so threaded perls now finally 321 about 4% on non-threaded perls (so threaded perls now finally
140 reach about half the speed of non-threaded perls). 322 reach about half the speed of non-threaded perls).
141 - slightly modernise Coro::Intro, add section about rouse functions. 323 - slightly modernise Coro::Intro, add section about rouse functions.
142 - avoid DEFSV and ERRSV, giving another 10% improvement 324 - avoid DEFSV and ERRSV, giving another 10% improvement
143 in thread switching. 325 in thread switching.
144 - Coro::State->is_destroyed is now called is_zombie. 326 - Coro::State->is_destroyed is now called is_zombie.

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