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Revision: 1.187
Committed: Tue Jan 26 04:19:37 2010 UTC (14 years, 3 months ago) by root
Branch: MAIN
Changes since 1.186: +4 -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 - fix a bug where inotify usage would parse the same event
7 multiple times, causing various forms of breakage.
8 - greatly reduce stack usage for inotify (8kb to <0.5kb).
9
10 3.9 Thu Dec 31 07:59:59 CET 2009
11 - disable t/07* under automatic testing.
12 - increase t/09* timeouts as netbsd has *horribly* broken
13 select/kevent that *usually* sleep >>0.6s instead of 0.3.
14 - add constants EV::FLAG_NOSIGFD, EV::FLAG_NOINOTIFY and
15 EV::BACKEND_ALL.
16 - (libev) signalfd is no longer used by default.
17 - (libev) backport inotify code to C89.
18 - (libev) inotify file descriptors could leak into child processes.
19 - (libev) ev_stat watchers could keep an errornous extra ref on the loop.
20 - (libev) take advantage of inotify_init1, if available.
21 - (libev) the signal handling pipe wasn't always initialised under windows.
22 - changed minimum glibc requirement from glibc 2.9 to 2.7, for signalfd.
23 - (libev) only replace ev_stat.prev when we detect an actual difference.
24
25 3.8 Sun Aug 9 15:30:10 CEST 2009
26 - implement $loop->signal/signal_ns.
27 - (libev) incompatible change: do not necessarily reset signal
28 handler to SIG_DFL when a sighandler is stopped.
29 - (libev) ev_default_destroy did not properly free or zero some
30 members, potentially causing crashes and memory corruption on
31 repated ev_default_destroy/ev_default_loop calls.
32 - (libev) take advantage of signalfd on GNU/Linux systems.
33 - (libev) document that the signal mask might be in an unspecified
34 state when using libev's signal handling.
35 - (libev) take advantage of some GNU/Linux calls to set
36 cloexec/nonblock on fd creation, to avoid race conditions.
37 - implement internal glue code to interface more efficiently
38 with AnyEvent.
39
40 3.7 Fri Jul 17 16:49:16 CEST 2009
41 - add EV::loop_verify and EV::loop_depth.
42 - use output filehandle for i/o watchers waiting
43 for EV_WRITE, otherwise input filehandle.
44 - use common schmorp.h header.
45 - add EV::Timer->remaining.
46 - allow for subclassing of EV::Loop (see the exciting
47 EV::Loop::Async module for an example).
48 - added EV::invoke_pending and EV::pending_count.
49
50 - (libev) ev_unloop and ev_loop wrongly used a global variable to
51 exit loops, instead of using a per-loop variable.
52 - (libev) the ev_set_io_collect_interval interpretation has changed.
53 - add new functionality: EV::invoke_pending, EV::pending_count.
54 - add $timer->remaining.
55 - add EV::loop_depth.
56 - (libev) calling unloop in fork/prepare watchers will no longer poll
57 for new events.
58 - (libev) use GetSystemTimeAsFileTime instead of _timeb on windows,
59 for slightly higher accuracy.
60 - (libev) actually 0-initialise struct sigaction when installing
61 signals.
62
63 3.6 Tue Apr 28 02:50:37 CEST 2009
64 - keepalive(0) could decrease the refcount of the loop
65 permanently.
66 - add ev_suspend/ev_resume, also make ev_now_update
67 accessible via the XS API.
68 - most EV::<eventtype> constants were missing and have been
69 added :/.
70 - add EV::VERSION_MAJOR/VERSION_MINOR constants.
71 - (libev) multiple timers becoming ready within an event loop
72 iteration will be invoked in the "correct" order now.
73 - (libev) do not leave the event loop early just because we have
74 no active watchers, fixing a problem when embedding a kqueue
75 loop that has active kernel events but no registered watchers
76 (reported by blacksand blacksand).
77 - (libev) correctly zero the idx values for arrays, so destroying
78 and reinitialising the default loop actually works (patch by
79 Malek Hadj-Ali).
80 - (libev) new EV::CUSTOM revents flag for use by applications.
81 - (libev) add documentation section about priorites.
82 - (libev) add a glossary to the dcoumentation.
83 - (libev) extend the ev_fork description slightly.
84 - (libev) optimize a jump out of call_pending.
85 - t/03_keepalive could fail when there was no actual error.
86
87 3.53 Sun Feb 15 02:38:20 CET 2009
88 - (libev) on win32, the event loop creation could randomly fail
89 due to an initialised variable having the wrong value.
90 - (libev) probe for CLOCK_REALTIME support at runtime as well and
91 fall back to gettimeofday if there is an error, to support older
92 operating systems with newer header files/libraries.
93 - prefer gettimeofday over clock_gettime by default.
94
95 3.52 Wed Jan 7 21:46:14 CET 2009
96 - (libev) fix some issues in the select backend when in fd_set mode.
97 - (libev) due to a thinko, instead of disabling everything but
98 select on the borked OS X platform, everything but select was
99 allowed (reported by Emanuele Giaquinta).
100 - (libev) actually verify that local and remote port are matching in
101 libev's socketpair emulation, which makes denial-of-service
102 attacks harder (but not impossible - it's windows). Make sure
103 it even works under vista, which thinks that getpeer/sockname
104 should return fantasy port numbers.
105
106 3.51 Wed Dec 24 23:01:59 CET 2008
107 - do not cache the arguments passed to callbacks if the refcount
108 indicates that the callback has stolen them.
109 - (libev) try to avoid librt on GNU/Linux.
110 - (libev) check port_getn return value dfferently, might potentially
111 avoid problems.
112 - (libev) fix a bug with stat watchers possibly causing freezes.
113 - (libev) work around OS X 10.5 breaking poll, now select is the
114 only viable choice left on that pile of garbage.
115 - play tester whore: disable some tests that typically fail only
116 on cpan tester machines.
117
118 3.49 Wed Nov 19 11:26:53 CET 2008
119 - fix typos in manpage (Alex Efros).
120 - increase timing even further, for the ever-overloaded cpan-tester
121 machines, and to the detriment of everybody else who wants a fast
122 make test.
123 - possible 5.6 compatibility.
124 - (libev) use inotify even on buggy kernels, but don't rely on it.
125 - (libev) use inotify only as an added hint on network filesystems.
126
127 3.48 Thu Oct 30 09:09:48 CET 2008
128 - (libev) use a generation counter to detect spurious epoll events
129 and recreate the kernel in such a case (sorry, it's slow, but
130 I didn't design epoll...).
131 - (libev) optimise away an EPOLL_CTL_ADD/MOD combo in the epoll
132 backend in some cases.
133 - (libev) use memset to initialise most arrays now and do away
134 with the init functions.
135 - speed up event callback invocation further (~15%), by
136 not creating the object reference each time.
137 - EV::sleep was documented, but not implemented. fun.
138
139 3.45 Tue Oct 21 22:20:39 CEST 2008
140 - (libev) disable inotify usage on linux <2.6.25 (kernel bug).
141 - (libev) ev_embed will now automatically follow fork.
142 - (libev) ev_once will now pass both io and timeout events to
143 the callback when both happen concurrently, instead of giving
144 one precedence.
145 - install C library documentation as EV::libev manpage (sorry, oesi).
146 - (libev) fix a minor performance bug in ev_stat handling.
147
148 3.44 Mon Sep 29 05:16:31 CEST 2008
149 - (libev) add EV::now_update and $loop->now_update.
150
151 3.431 Sun Jul 13 00:19:02 CEST 2008
152 - made the EV::embed callback optional again. reported by
153 Vladimir Timofeev.
154
155 3.43 Tue Jul 8 20:56:31 CEST 2008
156 - disabled warnings in EV.pm, the CHECK issue is now understood
157 and harmless.
158
159 3.42 Mon May 26 07:36:46 CEST 2008
160 - (libev) work around another bug in windows perls and
161 windows itself: failed connects do NOT set read or write
162 flags in select, but this version of libev will.
163
164 3.41 Thu May 22 01:39:40 CEST 2008
165 - (libev) fix many heap-related bugs (timers, periodics).
166 - (libev) improve timing stability of timers and periodics.
167 - expose ev_loop_verify to perl code.
168 - clarify documentation for periodic reschedule callbacks.
169 - verify that the passed callback argument is indeed a code
170 reference, for earlier error reporting and a nice calling
171 speed increase (as well as saving memory).
172
173 3.4 Tue May 20 21:51:55 CEST 2008
174 - (libev) work around both a windows bug and a bug in perl's
175 select on windows when not waiting for any file descriptors.
176 - bundle ev.pod into the tarball, just to increase its size
177 (and for the poor internetless person).
178
179 3.33 Sun May 18 12:43:04 CEST 2008
180 - (libev) use numerous enhancements such as a more
181 cache-friendly 4-heap and heap index caching for timers.
182 - remove undocumented ev_timer->at accessor.
183
184 3.31 Wed Apr 16 20:48:59 CEST 2008
185 - (libev) post-last-minute fix for ev_poll.c problem.
186
187 3.3 Wed Apr 16 19:04:47 CEST 2008
188 - (libev) linux eventfd support.
189 - (libev) inline more with C99 compilers.
190 - (libev) work around a number of bugs in valgrind.
191 - (libev) work around broken realloc on openbsd and darwin.
192 - added example to EV::MakeMaker manpage.
193 - add async_pending method.
194
195 3.2 Wed Apr 2 17:08:16 CEST 2008
196 - "ported" again to the Microsoft "C" language.
197 - relax testsuite timing for the benefit of freebsd users once more.
198 - fix EVAPI's ev_time and ev_sleep macros.
199 - (libev) fix select backend on 64 bit architetcures.
200 - (libev) ev_loop flags are now local to each invocation.
201
202 3.1 Sat Mar 8 11:41:14 CET 2008
203 - add ev_sync_* and ev_fork_* to EVAPI.h.
204 - provide EV::Embed->sweep method.
205 - new watcher type: async (not very useful in perl).
206
207 3.0 Mon Jan 28 13:23:11 CET 2008
208 - upgrade to libev-3.0.
209 - change child handler to incorporate tracing flag.
210
211 2.01 Mon Dec 31 01:59:19 CET 2007
212 - found a minor problem in the testsuite that is only
213 caught by new Test::Harness versions (reported by Andreas
214 König).
215
216 2.0 Sat Dec 22 17:47:03 CET 2007
217 - no longer force kqueue when enabled, enable it
218 on more systems (as its now by default not used on most).
219 - expose fork watchers.
220 - switch to libev's MULTIPLICITY API.
221 - use a slightly different include file name strategy.
222 - get rid of (unused) libevent emulation.
223 - 5% watcher management speedup due to callback optimisation
224 when inline closures are used, 5% slowdown due to multiplicity.
225 - very minimal support for dynamic event loops and embed watchers.
226 - fix name of prepare start/stop methods.
227 - create and export EV::sleep and EV::set_*_collect_interval.
228 - fix typos in manpage (Alex Efros).
229
230 1.86 Tue Dec 18 02:36:57 CET 2007
231 - add periodic->at methods.
232
233 1.85 Fri Dec 14 20:32:40 CET 2007
234 - further optimise epoll backend by adding a heuristic that
235 avoids EPOLL_CTL_DEL calls if possible.
236 - EV::signal->start was not async-signal safe.
237 - optimise start/stop when the fd hasn't changed.
238
239 1.8 Tue Dec 11 22:17:46 CET 2007
240 - API version 3:0.
241 - reduced fudge factor to zero for select, poll, epoll
242 and kqueue: your system better be posix-compliant
243 even in its extensions :->
244 - improve long-term numerical stability in periodic watchers
245 by introducing a separate offset value instead of reusing at.
246 - recalculate real/monotonic clocks before blocking fully
247 to avoid blocking for longer than necessary.
248 - fix bugs in the heap functions. this rarely lead to illegal
249 heap orderings.
250
251 1.72 Sat Dec 8 15:31:26 CET 2007
252 - add dummy loop arguments to some EVAPI functions
253 so that clients can use EV_A and EV_DEFAULT.
254 - expose ev_clear_pending.
255 - renamed trigger to invoke.
256
257 1.71 Fri Dec 7 19:10:24 CET 2007
258 - changed/implemented idle watcher priority.
259 - allow out-of-range priorities to be set.
260 - fix ->priority to actually work on started watchers.
261 - improved testsuite.
262
263 1.6 Wed Dec 5 15:06:20 CET 2007
264 - add a missing SPAGAIN.
265 - ripped out EV::DNS, use EV::ADNS for a better backend.
266 - make ev_time callable from EVAPI.h.
267 - add EV::loop_count.
268 - some space optimisations.
269
270 1.5 Wed Nov 28 20:19:09 CET 2007
271 - add inotify backend.
272 - make testsuite even less sensible to timing issues,
273 add more stat tests.
274 - add ->attr, ->prev, ->stat calls to stat watcher.
275
276 1.4 Tue Nov 27 17:35:27 CET 2007
277 - work around a linux 2.4 kernel bug in child handlers.
278 - implement stat watcher interface.
279 - implement fork watcher interface.
280 - io->set did not keep the fh alive.
281 - actively check signal numbers/names to be valid.
282 - cleanups, minor fixes, new bugs.
283 - work around windows bugs in the testsuite.
284
285 1.3 Sun Nov 25 10:46:57 CET 2007
286 - stopping idle/check/prepare watchers could cause data corruption.
287 - implement and document EV::once.
288 - improved documentation, verify that netbsd indeed has the only
289 working kqueue implementation (out of darwin, freebsd, netbsd and
290 openbsd). Praise them!
291 - fix the data method so it might work.
292 - expose ev_ref/ev_unref to the C API.
293 - expose ref/unref in form of the ->keepalive method to perl.
294 - minor bugfixes and portability fixes.
295
296 1.2 Thu Nov 22 05:44:09 CET 2007
297 - disable kqueue by default on !netbsd, as its broken on freebsd,
298 darwin and openbsd and thus almost everywhere.
299 - add some allowance in t/01_timer.t for the uneven monotonic
300 vs. realtime clock tick on at least freebsd.
301 - add -lsocket -lnsl on solaris in case the perl guy forgot to
302 configure them.
303
304 1.1 Wed Nov 21 06:08:48 CET 2007
305 - improved timer test to include periodics and
306 withstand small timing variations.
307 - many minor tweaks to libev.
308
309 1.0 Fri Nov 16 14:51:59 CET 2007
310 - require AnyEvent update if AnyEvent is installed.
311 - add solaris 10 port-based backend.
312 - add child_ns and fix check_ns.
313 - treat yes/no as enforcement, not as hint, when configuring,
314 documentation update (reported by Andy Grundman).
315
316 0.9 Wed Nov 14 22:24:49 CET 2007
317 - changed LIBEV_METHODS to LIBEV_FLAGS and the
318 way this is used inside libev.
319 - many, many bugfixes.
320 - add unloop constants.
321 - add timer test.
322 - ev_loop will now terminate immediately when no watchers are active.
323
324 0.8 Mon Nov 12 02:28:46 CET 2007
325 - fix "testsuite" again :().
326 - fix check/idle/prepare/child watcher stop.
327 - enourmously many fixes.
328 - rewritten select backend (mostly for win32).
329 - cache socket handles on win32.
330 - provide considerably finer control over configuration.
331
332 0.7 Fri Nov 9 20:37:58 CET 2007
333 - move AnyEvent adaptor into the AnyEvent module.
334 - use private copy of evdns.[ch].
335 - many minor fixes.
336
337 0.6 Thu Nov 8 18:23:43 CET 2007
338 - (libev) better native win32 support.
339 - fix idle watchers.
340 - implement and document periodic reschedule callbacks.
341 - do not run dns test on !linux platforms (actually to exclude win32).
342 - fix (unused in EV :) poll backend.
343
344 0.51 Tue Nov 6 19:50:22 CET 2007
345 - fix kqueue/poll compilation issue.
346 - work around design issues in kqueue.
347 - enable kqueue by default, seems to work.
348
349 0.5 Tue Nov 6 17:37:44 CET 2007
350 - add signal and pid mutators.
351 - add rstatus/rpid accessors.
352 - updated libev (lower cost for clock monotonic).
353 - support event priorities.
354 - try to find SIG_SIZE on perls that don't have it (Slaven Rezic).
355 - improved signal handling, fixed child watchers.
356 - experimentally add kqueue backend, completely untested.
357 - ported to cygwin and native win32.
358
359 0.1 Thu Nov 1 18:29:22 CET 2007
360 - replaced libevent by libev (total rewrite).
361 - many bugfixes w.r.t. libevent.
362 - new watcher types: periodic, check, prepare, child, idle.
363 - performance optimisations.
364 - added interactive configuration.
365 - added fork support.
366
367 0.03 Mon Oct 29 20:52:50 CET 2007
368 - add timed_io convenience constructors.
369 - improve documentation.
370 - support signal names in addition to signal numbers.
371 - support signal anyevent watchers.
372 - vastly improved testsuite (its all relative :).
373 - add EV::MakeMaker, beginning of C-level API.
374 - force strings to byte form.
375
376 0.02 Sun Oct 28 07:40:21 CET 2007
377 - call $EV::DIED in case a callback throws an exception.
378 - add const char * to typemap for possible 5.6 compatibility.
379
380 0.01 Sat Oct 27 19:10:18 CEST 2007
381 - initial release.
382
383 0.00 Fri Oct 26 11:12:57 CEST 2007
384 - original version; cloned from JSON::XS
385