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Revision: 1.238
Committed: Sun Jul 7 05:46:01 2019 UTC (4 years, 10 months ago) by root
Branch: MAIN
Changes since 1.237: +2 -0 lines
Log Message:
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File Contents

# Content
1 Revision history for Perl extension EV
2
3 Changes marked with (libev) are changes in libev, and have more
4 documentation in the libev Changes file.
5
6 - try to name ev.h more explicitly, to hopefully improve portability.
7
8 4.27 Thu Jun 27 09:39:58 CEST 2019
9 - (libev) completely rewritten linuxaio backend, maybe
10 usable as a general-use backend.
11 - (libev) use more aggressive assertions to catch
12 more usage errors.
13 - allow users to re-enable assert() in case it is disabled
14 by perl (which is typically the case).
15
16 4.26 Mon Jun 24 23:39:40 CEST 2019
17 - (libev) included experimental linux aio backend.
18 - allow the linux aio backend to be used by default
19 only when explicitly configured during Makefile.PL time.
20
21 4.25 Fri Dec 21 08:04:26 CET 2018
22 - (libev) updated to libev 4.25, minor fixes and enhancements.
23 - document the requirement to "use EV" when using EV::MakeMaker.
24 - only use __register_atfork with glibc and uclibc, as musl
25 defines __linux__, but doesn't implement the linux standard
26 base ABI, nor makes itself detectable via a macro, both apparently
27 by design, winning the "broken by design 2016 award" - well done.
28 - correct EV::periodic example 24h after midnight -> one day after
29 midnight (reported by Felix Ostmann).
30
31 4.22 Sun Dec 20 02:34:39 CET 2015
32 - (libev) when epoll detects unremovable fds in the fd set, rebuild
33 only the epoll descriptor, not the signal pipe, to avoid
34 SIGPIPE in ev_async_send. This doesn't solve it on fork,
35 so document what needs to be done in ev_loop_fork
36 (analyzed by Benjamin Mahler).
37 - (libev) remove superfluous sys/timeb.h include on win32
38 (analyzed by Jason Madden).
39 - updated libecb.
40
41 4.21 Mon Jul 13 21:47:33 CEST 2015
42 - allow argument in timer->again.
43 - document timer->remaining.
44 - document default repeat value for timer->set.
45
46 4.20 Sat Jun 20 13:07:34 CEST 2015
47 - added stability canary support.
48 - truly rely on automatic configuration for clock_gettime and others.
49 unfortunately, this doesn't help with activeperl and similar perls,
50 which define _POSIX_TIMERS without actually implementing any of it.
51 - (libev, ecb) make it compile as C++ again.
52 - (libev) fix a potential aliasing issue when accessing watcher cbs.
53
54 4.18 Sat Sep 6 20:37:23 CEST 2014
55 - use slightly better weay to find includes, to support multiarch
56 on newer perls.
57
58 4.17 Fri Apr 11 06:22:38 CEST 2014
59 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
60 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
61 in 5.18. What's so attractive about giving a shit about backwards
62 compatibility - I will never understand.
63
64 4.16 Sat Mar 8 16:49:05 CET 2014
65 - make sure EV::CHECK is available at all times.
66 - avoid a spurious warning when perl -w overrides "no warnings".
67 - use perl's signal implementation on WIN32.
68 - ensure extern "C" function pointers are used for externally-visible
69 pointers.
70 - (libev) mark event pipe fd as cloexec after a fork (analyzed by Sami Farin).
71 - (ecb) support m68k, m88k and sh (patch by Miod Vallat).
72 - (libev) in the absence of autoconf, do not use the clock syscall
73 on glibc >= 2.17 (avoids the syscall AND -lrt on systems
74 doing clock_gettime in userspace).
75 - (ecb) work around memory barriers and volatile apparently both being
76 broken in visual studio 2008 and later (analysed and patch by Nicolas Noble).
77
78 4.15 Fri Mar 1 12:15:53 CET 2013
79 - (libev) upgrade to 4.15 - too many changes to list.
80 - EV::run now returns a boolean.
81 - API version 5:1.
82 - document that cleanup watchers are not available via perl.
83 - cast I32 to int in error message printf.
84 - remove dependencies on librt and libpthreads on GNU/Linux.
85
86 4.11 Sat Feb 4 19:56:26 CET 2012
87 - (libev) implement memory fences for (obsolete) llvm-gcc.
88
89 4.10 Thu Jan 19 18:54:23 CET 2012
90 - (libev) fix a race where the workaround against the epoll fork
91 bugs caused signals to not be handled anymore.
92 - (libev) correct backend_fudge for most backends, and implement
93 a windows specific workaround to avoid looping because we call
94 both select and Sleep, both with different time resolutions.
95 - e_new wasn't declared static (causing very minor .so bloat).
96 - replace more old api names by new ones.
97
98 4.03 Tue Jan 11 14:51:05 CET 2011
99 - do not avoid the clock_gettime call on GNU/Linux anymore, as EV
100 links against -lpthread anyways - as a result, EV might now take
101 advantage of fast userspace clock_gettime implementations,
102 but also links against -lrt.
103 - (libev) lots of event port bug workarounds.
104 - (libev) officially support files in I/O watchers.
105 - (libev) new function ev_feed_signal.
106 - fix documentation parts still refering to the 3.x API.
107
108 4.02 Thu Dec 30 08:27:41 CET 2010
109 - the revents argument did not stringify correctly, as only the
110 numeric value was updated, while the string value was kept from
111 previous invocations.
112
113 4.01 Sun Dec 5 12:42:13 CET 2010
114 - fully support EV_COMPAT3=0.
115 - default_fork was stupidly defined as inline.
116 - ask cpan to upgrade AnyEvent if < 5.29.
117 - support EV_EXTRA_DEFS during configuration.
118 - support -DEV_NO_LOOPS for snakker build.
119
120 4.00 Mon Oct 25 13:30:09 CEST 2010
121 - many API changes, see the manual.
122 - (libev) lots and lots of bugfixes, see the ev documentation.
123 - fix a bug where inotify usage would parse the same event
124 multiple times, causing various forms of breakage.
125 - greatly reduce stack usage for inotify (8kb to <0.5kb).
126 - expose ev_depth and ev_verify via the XS API.
127 - implement ev_cleanup watchers.
128 - (libev) ev_embed_stop did not correctly stop the watcher.
129 - (libev) disable poll backend on AIX.
130 - (libev) rename EV_TIMEOUT to EV_TIMER.
131 - (libev) add section on accept() problems to the manpage.
132 - (libev) no child watchers on win32.
133 - make code more aliasing compliant, in case perl is ever
134 translated to C.
135 - document the EV::CHECK runtime unavailability.
136 - ported to minix 3.1.7.
137
138 3.9 Thu Dec 31 07:59:59 CET 2009
139 - disable t/07* under automatic testing.
140 - increase t/09* timeouts as netbsd has *horribly* broken
141 select/kevent that *usually* sleep >>0.6s instead of 0.3.
142 - add constants EV::FLAG_NOSIGFD, EV::FLAG_NOINOTIFY and
143 EV::BACKEND_ALL.
144 - (libev) signalfd is no longer used by default.
145 - (libev) backport inotify code to C89.
146 - (libev) inotify file descriptors could leak into child processes.
147 - (libev) ev_stat watchers could keep an errornous extra ref on the loop.
148 - (libev) take advantage of inotify_init1, if available.
149 - (libev) the signal handling pipe wasn't always initialised under windows.
150 - changed minimum glibc requirement from glibc 2.9 to 2.7, for signalfd.
151 - (libev) only replace ev_stat.prev when we detect an actual difference.
152
153 3.8 Sun Aug 9 15:30:10 CEST 2009
154 - implement $loop->signal/signal_ns.
155 - (libev) incompatible change: do not necessarily reset signal
156 handler to SIG_DFL when a sighandler is stopped.
157 - (libev) ev_default_destroy did not properly free or zero some
158 members, potentially causing crashes and memory corruption on
159 repated ev_default_destroy/ev_default_loop calls.
160 - (libev) take advantage of signalfd on GNU/Linux systems.
161 - (libev) document that the signal mask might be in an unspecified
162 state when using libev's signal handling.
163 - (libev) take advantage of some GNU/Linux calls to set
164 cloexec/nonblock on fd creation, to avoid race conditions.
165 - implement internal glue code to interface more efficiently
166 with AnyEvent.
167
168 3.7 Fri Jul 17 16:49:16 CEST 2009
169 - add EV::loop_verify and EV::loop_depth.
170 - use output filehandle for i/o watchers waiting
171 for EV_WRITE, otherwise input filehandle.
172 - use common schmorp.h header.
173 - add EV::Timer->remaining.
174 - allow for subclassing of EV::Loop (see the exciting
175 EV::Loop::Async module for an example).
176 - added EV::invoke_pending and EV::pending_count.
177
178 - (libev) ev_unloop and ev_loop wrongly used a global variable to
179 exit loops, instead of using a per-loop variable.
180 - (libev) the ev_set_io_collect_interval interpretation has changed.
181 - add new functionality: EV::invoke_pending, EV::pending_count.
182 - add $timer->remaining.
183 - add EV::loop_depth.
184 - (libev) calling unloop in fork/prepare watchers will no longer poll
185 for new events.
186 - (libev) use GetSystemTimeAsFileTime instead of _timeb on windows,
187 for slightly higher accuracy.
188 - (libev) actually 0-initialise struct sigaction when installing
189 signals.
190
191 3.6 Tue Apr 28 02:50:37 CEST 2009
192 - keepalive(0) could decrease the refcount of the loop
193 permanently.
194 - add ev_suspend/ev_resume, also make ev_now_update
195 accessible via the XS API.
196 - most EV::<eventtype> constants were missing and have been
197 added :/.
198 - add EV::VERSION_MAJOR/VERSION_MINOR constants.
199 - (libev) multiple timers becoming ready within an event loop
200 iteration will be invoked in the "correct" order now.
201 - (libev) do not leave the event loop early just because we have
202 no active watchers, fixing a problem when embedding a kqueue
203 loop that has active kernel events but no registered watchers
204 (reported by blacksand blacksand).
205 - (libev) correctly zero the idx values for arrays, so destroying
206 and reinitialising the default loop actually works (patch by
207 Malek Hadj-Ali).
208 - (libev) new EV::CUSTOM revents flag for use by applications.
209 - (libev) add documentation section about priorites.
210 - (libev) add a glossary to the dcoumentation.
211 - (libev) extend the ev_fork description slightly.
212 - (libev) optimize a jump out of call_pending.
213 - t/03_keepalive could fail when there was no actual error.
214
215 3.53 Sun Feb 15 02:38:20 CET 2009
216 - (libev) on win32, the event loop creation could randomly fail
217 due to an initialised variable having the wrong value.
218 - (libev) probe for CLOCK_REALTIME support at runtime as well and
219 fall back to gettimeofday if there is an error, to support older
220 operating systems with newer header files/libraries.
221 - prefer gettimeofday over clock_gettime by default.
222
223 3.52 Wed Jan 7 21:46:14 CET 2009
224 - (libev) fix some issues in the select backend when in fd_set mode.
225 - (libev) due to a thinko, instead of disabling everything but
226 select on the borked OS X platform, everything but select was
227 allowed (reported by Emanuele Giaquinta).
228 - (libev) actually verify that local and remote port are matching in
229 libev's socketpair emulation, which makes denial-of-service
230 attacks harder (but not impossible - it's windows). Make sure
231 it even works under vista, which thinks that getpeer/sockname
232 should return fantasy port numbers.
233
234 3.51 Wed Dec 24 23:01:59 CET 2008
235 - do not cache the arguments passed to callbacks if the refcount
236 indicates that the callback has stolen them.
237 - (libev) try to avoid librt on GNU/Linux.
238 - (libev) check port_getn return value dfferently, might potentially
239 avoid problems.
240 - (libev) fix a bug with stat watchers possibly causing freezes.
241 - (libev) work around OS X 10.5 breaking poll, now select is the
242 only viable choice left on that pile of garbage.
243 - play tester whore: disable some tests that typically fail only
244 on cpan tester machines.
245
246 3.49 Wed Nov 19 11:26:53 CET 2008
247 - fix typos in manpage (Alex Efros).
248 - increase timing even further, for the ever-overloaded cpan-tester
249 machines, and to the detriment of everybody else who wants a fast
250 make test.
251 - possible 5.6 compatibility.
252 - (libev) use inotify even on buggy kernels, but don't rely on it.
253 - (libev) use inotify only as an added hint on network filesystems.
254
255 3.48 Thu Oct 30 09:09:48 CET 2008
256 - (libev) use a generation counter to detect spurious epoll events
257 and recreate the kernel in such a case (sorry, it's slow, but
258 I didn't design epoll...).
259 - (libev) optimise away an EPOLL_CTL_ADD/MOD combo in the epoll
260 backend in some cases.
261 - (libev) use memset to initialise most arrays now and do away
262 with the init functions.
263 - speed up event callback invocation further (~15%), by
264 not creating the object reference each time.
265 - EV::sleep was documented, but not implemented. fun.
266
267 3.45 Tue Oct 21 22:20:39 CEST 2008
268 - (libev) disable inotify usage on linux <2.6.25 (kernel bug).
269 - (libev) ev_embed will now automatically follow fork.
270 - (libev) ev_once will now pass both io and timeout events to
271 the callback when both happen concurrently, instead of giving
272 one precedence.
273 - install C library documentation as EV::libev manpage (sorry, oesi).
274 - (libev) fix a minor performance bug in ev_stat handling.
275
276 3.44 Mon Sep 29 05:16:31 CEST 2008
277 - (libev) add EV::now_update and $loop->now_update.
278
279 3.431 Sun Jul 13 00:19:02 CEST 2008
280 - made the EV::embed callback optional again. reported by
281 Vladimir Timofeev.
282
283 3.43 Tue Jul 8 20:56:31 CEST 2008
284 - disabled warnings in EV.pm, the CHECK issue is now understood
285 and harmless.
286
287 3.42 Mon May 26 07:36:46 CEST 2008
288 - (libev) work around another bug in windows perls and
289 windows itself: failed connects do NOT set read or write
290 flags in select, but this version of libev will.
291
292 3.41 Thu May 22 01:39:40 CEST 2008
293 - (libev) fix many heap-related bugs (timers, periodics).
294 - (libev) improve timing stability of timers and periodics.
295 - expose ev_loop_verify to perl code.
296 - clarify documentation for periodic reschedule callbacks.
297 - verify that the passed callback argument is indeed a code
298 reference, for earlier error reporting and a nice calling
299 speed increase (as well as saving memory).
300
301 3.4 Tue May 20 21:51:55 CEST 2008
302 - (libev) work around both a windows bug and a bug in perl's
303 select on windows when not waiting for any file descriptors.
304 - bundle ev.pod into the tarball, just to increase its size
305 (and for the poor internetless person).
306
307 3.33 Sun May 18 12:43:04 CEST 2008
308 - (libev) use numerous enhancements such as a more
309 cache-friendly 4-heap and heap index caching for timers.
310 - remove undocumented ev_timer->at accessor.
311
312 3.31 Wed Apr 16 20:48:59 CEST 2008
313 - (libev) post-last-minute fix for ev_poll.c problem.
314
315 3.3 Wed Apr 16 19:04:47 CEST 2008
316 - (libev) linux eventfd support.
317 - (libev) inline more with C99 compilers.
318 - (libev) work around a number of bugs in valgrind.
319 - (libev) work around broken realloc on openbsd and darwin.
320 - added example to EV::MakeMaker manpage.
321 - add async_pending method.
322
323 3.2 Wed Apr 2 17:08:16 CEST 2008
324 - "ported" again to the Microsoft "C" language.
325 - relax testsuite timing for the benefit of freebsd users once more.
326 - fix EVAPI's ev_time and ev_sleep macros.
327 - (libev) fix select backend on 64 bit architetcures.
328 - (libev) ev_loop flags are now local to each invocation.
329
330 3.1 Sat Mar 8 11:41:14 CET 2008
331 - add ev_sync_* and ev_fork_* to EVAPI.h.
332 - provide EV::Embed->sweep method.
333 - new watcher type: async (not very useful in perl).
334
335 3.0 Mon Jan 28 13:23:11 CET 2008
336 - upgrade to libev-3.0.
337 - change child handler to incorporate tracing flag.
338
339 2.01 Mon Dec 31 01:59:19 CET 2007
340 - found a minor problem in the testsuite that is only
341 caught by new Test::Harness versions (reported by Andreas
342 König).
343
344 2.0 Sat Dec 22 17:47:03 CET 2007
345 - no longer force kqueue when enabled, enable it
346 on more systems (as its now by default not used on most).
347 - expose fork watchers.
348 - switch to libev's MULTIPLICITY API.
349 - use a slightly different include file name strategy.
350 - get rid of (unused) libevent emulation.
351 - 5% watcher management speedup due to callback optimisation
352 when inline closures are used, 5% slowdown due to multiplicity.
353 - very minimal support for dynamic event loops and embed watchers.
354 - fix name of prepare start/stop methods.
355 - create and export EV::sleep and EV::set_*_collect_interval.
356 - fix typos in manpage (Alex Efros).
357
358 1.86 Tue Dec 18 02:36:57 CET 2007
359 - add periodic->at methods.
360
361 1.85 Fri Dec 14 20:32:40 CET 2007
362 - further optimise epoll backend by adding a heuristic that
363 avoids EPOLL_CTL_DEL calls if possible.
364 - EV::signal->start was not async-signal safe.
365 - optimise start/stop when the fd hasn't changed.
366
367 1.8 Tue Dec 11 22:17:46 CET 2007
368 - API version 3:0.
369 - reduced fudge factor to zero for select, poll, epoll
370 and kqueue: your system better be posix-compliant
371 even in its extensions :->
372 - improve long-term numerical stability in periodic watchers
373 by introducing a separate offset value instead of reusing at.
374 - recalculate real/monotonic clocks before blocking fully
375 to avoid blocking for longer than necessary.
376 - fix bugs in the heap functions. this rarely lead to illegal
377 heap orderings.
378
379 1.72 Sat Dec 8 15:31:26 CET 2007
380 - add dummy loop arguments to some EVAPI functions
381 so that clients can use EV_A and EV_DEFAULT.
382 - expose ev_clear_pending.
383 - renamed trigger to invoke.
384
385 1.71 Fri Dec 7 19:10:24 CET 2007
386 - changed/implemented idle watcher priority.
387 - allow out-of-range priorities to be set.
388 - fix ->priority to actually work on started watchers.
389 - improved testsuite.
390
391 1.6 Wed Dec 5 15:06:20 CET 2007
392 - add a missing SPAGAIN.
393 - ripped out EV::DNS, use EV::ADNS for a better backend.
394 - make ev_time callable from EVAPI.h.
395 - add EV::loop_count.
396 - some space optimisations.
397
398 1.5 Wed Nov 28 20:19:09 CET 2007
399 - add inotify backend.
400 - make testsuite even less sensible to timing issues,
401 add more stat tests.
402 - add ->attr, ->prev, ->stat calls to stat watcher.
403
404 1.4 Tue Nov 27 17:35:27 CET 2007
405 - work around a linux 2.4 kernel bug in child handlers.
406 - implement stat watcher interface.
407 - implement fork watcher interface.
408 - io->set did not keep the fh alive.
409 - actively check signal numbers/names to be valid.
410 - cleanups, minor fixes, new bugs.
411 - work around windows bugs in the testsuite.
412
413 1.3 Sun Nov 25 10:46:57 CET 2007
414 - stopping idle/check/prepare watchers could cause data corruption.
415 - implement and document EV::once.
416 - improved documentation, verify that netbsd indeed has the only
417 working kqueue implementation (out of darwin, freebsd, netbsd and
418 openbsd). Praise them!
419 - fix the data method so it might work.
420 - expose ev_ref/ev_unref to the C API.
421 - expose ref/unref in form of the ->keepalive method to perl.
422 - minor bugfixes and portability fixes.
423
424 1.2 Thu Nov 22 05:44:09 CET 2007
425 - disable kqueue by default on !netbsd, as its broken on freebsd,
426 darwin and openbsd and thus almost everywhere.
427 - add some allowance in t/01_timer.t for the uneven monotonic
428 vs. realtime clock tick on at least freebsd.
429 - add -lsocket -lnsl on solaris in case the perl guy forgot to
430 configure them.
431
432 1.1 Wed Nov 21 06:08:48 CET 2007
433 - improved timer test to include periodics and
434 withstand small timing variations.
435 - many minor tweaks to libev.
436
437 1.0 Fri Nov 16 14:51:59 CET 2007
438 - require AnyEvent update if AnyEvent is installed.
439 - add solaris 10 port-based backend.
440 - add child_ns and fix check_ns.
441 - treat yes/no as enforcement, not as hint, when configuring,
442 documentation update (reported by Andy Grundman).
443
444 0.9 Wed Nov 14 22:24:49 CET 2007
445 - changed LIBEV_METHODS to LIBEV_FLAGS and the
446 way this is used inside libev.
447 - many, many bugfixes.
448 - add unloop constants.
449 - add timer test.
450 - ev_loop will now terminate immediately when no watchers are active.
451
452 0.8 Mon Nov 12 02:28:46 CET 2007
453 - fix "testsuite" again :().
454 - fix check/idle/prepare/child watcher stop.
455 - enourmously many fixes.
456 - rewritten select backend (mostly for win32).
457 - cache socket handles on win32.
458 - provide considerably finer control over configuration.
459
460 0.7 Fri Nov 9 20:37:58 CET 2007
461 - move AnyEvent adaptor into the AnyEvent module.
462 - use private copy of evdns.[ch].
463 - many minor fixes.
464
465 0.6 Thu Nov 8 18:23:43 CET 2007
466 - (libev) better native win32 support.
467 - fix idle watchers.
468 - implement and document periodic reschedule callbacks.
469 - do not run dns test on !linux platforms (actually to exclude win32).
470 - fix (unused in EV :) poll backend.
471
472 0.51 Tue Nov 6 19:50:22 CET 2007
473 - fix kqueue/poll compilation issue.
474 - work around design issues in kqueue.
475 - enable kqueue by default, seems to work.
476
477 0.5 Tue Nov 6 17:37:44 CET 2007
478 - add signal and pid mutators.
479 - add rstatus/rpid accessors.
480 - updated libev (lower cost for clock monotonic).
481 - support event priorities.
482 - try to find SIG_SIZE on perls that don't have it (Slaven Rezic).
483 - improved signal handling, fixed child watchers.
484 - experimentally add kqueue backend, completely untested.
485 - ported to cygwin and native win32.
486
487 0.1 Thu Nov 1 18:29:22 CET 2007
488 - replaced libevent by libev (total rewrite).
489 - many bugfixes w.r.t. libevent.
490 - new watcher types: periodic, check, prepare, child, idle.
491 - performance optimisations.
492 - added interactive configuration.
493 - added fork support.
494
495 0.03 Mon Oct 29 20:52:50 CET 2007
496 - add timed_io convenience constructors.
497 - improve documentation.
498 - support signal names in addition to signal numbers.
499 - support signal anyevent watchers.
500 - vastly improved testsuite (its all relative :).
501 - add EV::MakeMaker, beginning of C-level API.
502 - force strings to byte form.
503
504 0.02 Sun Oct 28 07:40:21 CET 2007
505 - call $EV::DIED in case a callback throws an exception.
506 - add const char * to typemap for possible 5.6 compatibility.
507
508 0.01 Sat Oct 27 19:10:18 CEST 2007
509 - initial release.
510
511 0.00 Fri Oct 26 11:12:57 CEST 2007
512 - original version; cloned from JSON::XS
513