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Revision: 1.192
Committed: Thu Jul 8 00:45:03 2010 UTC (13 years, 10 months ago) by root
Branch: MAIN
Changes since 1.191: +1 -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 4.00
7 - fix a bug where inotify usage would parse the same event
8 multiple times, causing various forms of breakage.
9 - greatly reduce stack usage for inotify (8kb to <0.5kb).
10 - renamed loop_verify to verify, loop_count to iteration and
11 loop_depth to depth.
12 - expose ev_depth and ev_verify via the XS API.
13 - (libev) ev_embed_stop did not correctly stop the watcher.
14 - (libev) disable poll backend on AIX.
15 - (libev) rename EV_TIMEOUT to EV_TIMER.
16 - (libev) add section on accept() problems to the manpage.
17 - (libev) no child watchers on win32.
18 - make code more aliasing compliant, in case perl is ever
19 translated to C.
20 - ported to minix 3.1.7.
21
22 3.9 Thu Dec 31 07:59:59 CET 2009
23 - disable t/07* under automatic testing.
24 - increase t/09* timeouts as netbsd has *horribly* broken
25 select/kevent that *usually* sleep >>0.6s instead of 0.3.
26 - add constants EV::FLAG_NOSIGFD, EV::FLAG_NOINOTIFY and
27 EV::BACKEND_ALL.
28 - (libev) signalfd is no longer used by default.
29 - (libev) backport inotify code to C89.
30 - (libev) inotify file descriptors could leak into child processes.
31 - (libev) ev_stat watchers could keep an errornous extra ref on the loop.
32 - (libev) take advantage of inotify_init1, if available.
33 - (libev) the signal handling pipe wasn't always initialised under windows.
34 - changed minimum glibc requirement from glibc 2.9 to 2.7, for signalfd.
35 - (libev) only replace ev_stat.prev when we detect an actual difference.
36
37 3.8 Sun Aug 9 15:30:10 CEST 2009
38 - implement $loop->signal/signal_ns.
39 - (libev) incompatible change: do not necessarily reset signal
40 handler to SIG_DFL when a sighandler is stopped.
41 - (libev) ev_default_destroy did not properly free or zero some
42 members, potentially causing crashes and memory corruption on
43 repated ev_default_destroy/ev_default_loop calls.
44 - (libev) take advantage of signalfd on GNU/Linux systems.
45 - (libev) document that the signal mask might be in an unspecified
46 state when using libev's signal handling.
47 - (libev) take advantage of some GNU/Linux calls to set
48 cloexec/nonblock on fd creation, to avoid race conditions.
49 - implement internal glue code to interface more efficiently
50 with AnyEvent.
51
52 3.7 Fri Jul 17 16:49:16 CEST 2009
53 - add EV::loop_verify and EV::loop_depth.
54 - use output filehandle for i/o watchers waiting
55 for EV_WRITE, otherwise input filehandle.
56 - use common schmorp.h header.
57 - add EV::Timer->remaining.
58 - allow for subclassing of EV::Loop (see the exciting
59 EV::Loop::Async module for an example).
60 - added EV::invoke_pending and EV::pending_count.
61
62 - (libev) ev_unloop and ev_loop wrongly used a global variable to
63 exit loops, instead of using a per-loop variable.
64 - (libev) the ev_set_io_collect_interval interpretation has changed.
65 - add new functionality: EV::invoke_pending, EV::pending_count.
66 - add $timer->remaining.
67 - add EV::loop_depth.
68 - (libev) calling unloop in fork/prepare watchers will no longer poll
69 for new events.
70 - (libev) use GetSystemTimeAsFileTime instead of _timeb on windows,
71 for slightly higher accuracy.
72 - (libev) actually 0-initialise struct sigaction when installing
73 signals.
74
75 3.6 Tue Apr 28 02:50:37 CEST 2009
76 - keepalive(0) could decrease the refcount of the loop
77 permanently.
78 - add ev_suspend/ev_resume, also make ev_now_update
79 accessible via the XS API.
80 - most EV::<eventtype> constants were missing and have been
81 added :/.
82 - add EV::VERSION_MAJOR/VERSION_MINOR constants.
83 - (libev) multiple timers becoming ready within an event loop
84 iteration will be invoked in the "correct" order now.
85 - (libev) do not leave the event loop early just because we have
86 no active watchers, fixing a problem when embedding a kqueue
87 loop that has active kernel events but no registered watchers
88 (reported by blacksand blacksand).
89 - (libev) correctly zero the idx values for arrays, so destroying
90 and reinitialising the default loop actually works (patch by
91 Malek Hadj-Ali).
92 - (libev) new EV::CUSTOM revents flag for use by applications.
93 - (libev) add documentation section about priorites.
94 - (libev) add a glossary to the dcoumentation.
95 - (libev) extend the ev_fork description slightly.
96 - (libev) optimize a jump out of call_pending.
97 - t/03_keepalive could fail when there was no actual error.
98
99 3.53 Sun Feb 15 02:38:20 CET 2009
100 - (libev) on win32, the event loop creation could randomly fail
101 due to an initialised variable having the wrong value.
102 - (libev) probe for CLOCK_REALTIME support at runtime as well and
103 fall back to gettimeofday if there is an error, to support older
104 operating systems with newer header files/libraries.
105 - prefer gettimeofday over clock_gettime by default.
106
107 3.52 Wed Jan 7 21:46:14 CET 2009
108 - (libev) fix some issues in the select backend when in fd_set mode.
109 - (libev) due to a thinko, instead of disabling everything but
110 select on the borked OS X platform, everything but select was
111 allowed (reported by Emanuele Giaquinta).
112 - (libev) actually verify that local and remote port are matching in
113 libev's socketpair emulation, which makes denial-of-service
114 attacks harder (but not impossible - it's windows). Make sure
115 it even works under vista, which thinks that getpeer/sockname
116 should return fantasy port numbers.
117
118 3.51 Wed Dec 24 23:01:59 CET 2008
119 - do not cache the arguments passed to callbacks if the refcount
120 indicates that the callback has stolen them.
121 - (libev) try to avoid librt on GNU/Linux.
122 - (libev) check port_getn return value dfferently, might potentially
123 avoid problems.
124 - (libev) fix a bug with stat watchers possibly causing freezes.
125 - (libev) work around OS X 10.5 breaking poll, now select is the
126 only viable choice left on that pile of garbage.
127 - play tester whore: disable some tests that typically fail only
128 on cpan tester machines.
129
130 3.49 Wed Nov 19 11:26:53 CET 2008
131 - fix typos in manpage (Alex Efros).
132 - increase timing even further, for the ever-overloaded cpan-tester
133 machines, and to the detriment of everybody else who wants a fast
134 make test.
135 - possible 5.6 compatibility.
136 - (libev) use inotify even on buggy kernels, but don't rely on it.
137 - (libev) use inotify only as an added hint on network filesystems.
138
139 3.48 Thu Oct 30 09:09:48 CET 2008
140 - (libev) use a generation counter to detect spurious epoll events
141 and recreate the kernel in such a case (sorry, it's slow, but
142 I didn't design epoll...).
143 - (libev) optimise away an EPOLL_CTL_ADD/MOD combo in the epoll
144 backend in some cases.
145 - (libev) use memset to initialise most arrays now and do away
146 with the init functions.
147 - speed up event callback invocation further (~15%), by
148 not creating the object reference each time.
149 - EV::sleep was documented, but not implemented. fun.
150
151 3.45 Tue Oct 21 22:20:39 CEST 2008
152 - (libev) disable inotify usage on linux <2.6.25 (kernel bug).
153 - (libev) ev_embed will now automatically follow fork.
154 - (libev) ev_once will now pass both io and timeout events to
155 the callback when both happen concurrently, instead of giving
156 one precedence.
157 - install C library documentation as EV::libev manpage (sorry, oesi).
158 - (libev) fix a minor performance bug in ev_stat handling.
159
160 3.44 Mon Sep 29 05:16:31 CEST 2008
161 - (libev) add EV::now_update and $loop->now_update.
162
163 3.431 Sun Jul 13 00:19:02 CEST 2008
164 - made the EV::embed callback optional again. reported by
165 Vladimir Timofeev.
166
167 3.43 Tue Jul 8 20:56:31 CEST 2008
168 - disabled warnings in EV.pm, the CHECK issue is now understood
169 and harmless.
170
171 3.42 Mon May 26 07:36:46 CEST 2008
172 - (libev) work around another bug in windows perls and
173 windows itself: failed connects do NOT set read or write
174 flags in select, but this version of libev will.
175
176 3.41 Thu May 22 01:39:40 CEST 2008
177 - (libev) fix many heap-related bugs (timers, periodics).
178 - (libev) improve timing stability of timers and periodics.
179 - expose ev_loop_verify to perl code.
180 - clarify documentation for periodic reschedule callbacks.
181 - verify that the passed callback argument is indeed a code
182 reference, for earlier error reporting and a nice calling
183 speed increase (as well as saving memory).
184
185 3.4 Tue May 20 21:51:55 CEST 2008
186 - (libev) work around both a windows bug and a bug in perl's
187 select on windows when not waiting for any file descriptors.
188 - bundle ev.pod into the tarball, just to increase its size
189 (and for the poor internetless person).
190
191 3.33 Sun May 18 12:43:04 CEST 2008
192 - (libev) use numerous enhancements such as a more
193 cache-friendly 4-heap and heap index caching for timers.
194 - remove undocumented ev_timer->at accessor.
195
196 3.31 Wed Apr 16 20:48:59 CEST 2008
197 - (libev) post-last-minute fix for ev_poll.c problem.
198
199 3.3 Wed Apr 16 19:04:47 CEST 2008
200 - (libev) linux eventfd support.
201 - (libev) inline more with C99 compilers.
202 - (libev) work around a number of bugs in valgrind.
203 - (libev) work around broken realloc on openbsd and darwin.
204 - added example to EV::MakeMaker manpage.
205 - add async_pending method.
206
207 3.2 Wed Apr 2 17:08:16 CEST 2008
208 - "ported" again to the Microsoft "C" language.
209 - relax testsuite timing for the benefit of freebsd users once more.
210 - fix EVAPI's ev_time and ev_sleep macros.
211 - (libev) fix select backend on 64 bit architetcures.
212 - (libev) ev_loop flags are now local to each invocation.
213
214 3.1 Sat Mar 8 11:41:14 CET 2008
215 - add ev_sync_* and ev_fork_* to EVAPI.h.
216 - provide EV::Embed->sweep method.
217 - new watcher type: async (not very useful in perl).
218
219 3.0 Mon Jan 28 13:23:11 CET 2008
220 - upgrade to libev-3.0.
221 - change child handler to incorporate tracing flag.
222
223 2.01 Mon Dec 31 01:59:19 CET 2007
224 - found a minor problem in the testsuite that is only
225 caught by new Test::Harness versions (reported by Andreas
226 König).
227
228 2.0 Sat Dec 22 17:47:03 CET 2007
229 - no longer force kqueue when enabled, enable it
230 on more systems (as its now by default not used on most).
231 - expose fork watchers.
232 - switch to libev's MULTIPLICITY API.
233 - use a slightly different include file name strategy.
234 - get rid of (unused) libevent emulation.
235 - 5% watcher management speedup due to callback optimisation
236 when inline closures are used, 5% slowdown due to multiplicity.
237 - very minimal support for dynamic event loops and embed watchers.
238 - fix name of prepare start/stop methods.
239 - create and export EV::sleep and EV::set_*_collect_interval.
240 - fix typos in manpage (Alex Efros).
241
242 1.86 Tue Dec 18 02:36:57 CET 2007
243 - add periodic->at methods.
244
245 1.85 Fri Dec 14 20:32:40 CET 2007
246 - further optimise epoll backend by adding a heuristic that
247 avoids EPOLL_CTL_DEL calls if possible.
248 - EV::signal->start was not async-signal safe.
249 - optimise start/stop when the fd hasn't changed.
250
251 1.8 Tue Dec 11 22:17:46 CET 2007
252 - API version 3:0.
253 - reduced fudge factor to zero for select, poll, epoll
254 and kqueue: your system better be posix-compliant
255 even in its extensions :->
256 - improve long-term numerical stability in periodic watchers
257 by introducing a separate offset value instead of reusing at.
258 - recalculate real/monotonic clocks before blocking fully
259 to avoid blocking for longer than necessary.
260 - fix bugs in the heap functions. this rarely lead to illegal
261 heap orderings.
262
263 1.72 Sat Dec 8 15:31:26 CET 2007
264 - add dummy loop arguments to some EVAPI functions
265 so that clients can use EV_A and EV_DEFAULT.
266 - expose ev_clear_pending.
267 - renamed trigger to invoke.
268
269 1.71 Fri Dec 7 19:10:24 CET 2007
270 - changed/implemented idle watcher priority.
271 - allow out-of-range priorities to be set.
272 - fix ->priority to actually work on started watchers.
273 - improved testsuite.
274
275 1.6 Wed Dec 5 15:06:20 CET 2007
276 - add a missing SPAGAIN.
277 - ripped out EV::DNS, use EV::ADNS for a better backend.
278 - make ev_time callable from EVAPI.h.
279 - add EV::loop_count.
280 - some space optimisations.
281
282 1.5 Wed Nov 28 20:19:09 CET 2007
283 - add inotify backend.
284 - make testsuite even less sensible to timing issues,
285 add more stat tests.
286 - add ->attr, ->prev, ->stat calls to stat watcher.
287
288 1.4 Tue Nov 27 17:35:27 CET 2007
289 - work around a linux 2.4 kernel bug in child handlers.
290 - implement stat watcher interface.
291 - implement fork watcher interface.
292 - io->set did not keep the fh alive.
293 - actively check signal numbers/names to be valid.
294 - cleanups, minor fixes, new bugs.
295 - work around windows bugs in the testsuite.
296
297 1.3 Sun Nov 25 10:46:57 CET 2007
298 - stopping idle/check/prepare watchers could cause data corruption.
299 - implement and document EV::once.
300 - improved documentation, verify that netbsd indeed has the only
301 working kqueue implementation (out of darwin, freebsd, netbsd and
302 openbsd). Praise them!
303 - fix the data method so it might work.
304 - expose ev_ref/ev_unref to the C API.
305 - expose ref/unref in form of the ->keepalive method to perl.
306 - minor bugfixes and portability fixes.
307
308 1.2 Thu Nov 22 05:44:09 CET 2007
309 - disable kqueue by default on !netbsd, as its broken on freebsd,
310 darwin and openbsd and thus almost everywhere.
311 - add some allowance in t/01_timer.t for the uneven monotonic
312 vs. realtime clock tick on at least freebsd.
313 - add -lsocket -lnsl on solaris in case the perl guy forgot to
314 configure them.
315
316 1.1 Wed Nov 21 06:08:48 CET 2007
317 - improved timer test to include periodics and
318 withstand small timing variations.
319 - many minor tweaks to libev.
320
321 1.0 Fri Nov 16 14:51:59 CET 2007
322 - require AnyEvent update if AnyEvent is installed.
323 - add solaris 10 port-based backend.
324 - add child_ns and fix check_ns.
325 - treat yes/no as enforcement, not as hint, when configuring,
326 documentation update (reported by Andy Grundman).
327
328 0.9 Wed Nov 14 22:24:49 CET 2007
329 - changed LIBEV_METHODS to LIBEV_FLAGS and the
330 way this is used inside libev.
331 - many, many bugfixes.
332 - add unloop constants.
333 - add timer test.
334 - ev_loop will now terminate immediately when no watchers are active.
335
336 0.8 Mon Nov 12 02:28:46 CET 2007
337 - fix "testsuite" again :().
338 - fix check/idle/prepare/child watcher stop.
339 - enourmously many fixes.
340 - rewritten select backend (mostly for win32).
341 - cache socket handles on win32.
342 - provide considerably finer control over configuration.
343
344 0.7 Fri Nov 9 20:37:58 CET 2007
345 - move AnyEvent adaptor into the AnyEvent module.
346 - use private copy of evdns.[ch].
347 - many minor fixes.
348
349 0.6 Thu Nov 8 18:23:43 CET 2007
350 - (libev) better native win32 support.
351 - fix idle watchers.
352 - implement and document periodic reschedule callbacks.
353 - do not run dns test on !linux platforms (actually to exclude win32).
354 - fix (unused in EV :) poll backend.
355
356 0.51 Tue Nov 6 19:50:22 CET 2007
357 - fix kqueue/poll compilation issue.
358 - work around design issues in kqueue.
359 - enable kqueue by default, seems to work.
360
361 0.5 Tue Nov 6 17:37:44 CET 2007
362 - add signal and pid mutators.
363 - add rstatus/rpid accessors.
364 - updated libev (lower cost for clock monotonic).
365 - support event priorities.
366 - try to find SIG_SIZE on perls that don't have it (Slaven Rezic).
367 - improved signal handling, fixed child watchers.
368 - experimentally add kqueue backend, completely untested.
369 - ported to cygwin and native win32.
370
371 0.1 Thu Nov 1 18:29:22 CET 2007
372 - replaced libevent by libev (total rewrite).
373 - many bugfixes w.r.t. libevent.
374 - new watcher types: periodic, check, prepare, child, idle.
375 - performance optimisations.
376 - added interactive configuration.
377 - added fork support.
378
379 0.03 Mon Oct 29 20:52:50 CET 2007
380 - add timed_io convenience constructors.
381 - improve documentation.
382 - support signal names in addition to signal numbers.
383 - support signal anyevent watchers.
384 - vastly improved testsuite (its all relative :).
385 - add EV::MakeMaker, beginning of C-level API.
386 - force strings to byte form.
387
388 0.02 Sun Oct 28 07:40:21 CET 2007
389 - call $EV::DIED in case a callback throws an exception.
390 - add const char * to typemap for possible 5.6 compatibility.
391
392 0.01 Sat Oct 27 19:10:18 CEST 2007
393 - initial release.
394
395 0.00 Fri Oct 26 11:12:57 CEST 2007
396 - original version; cloned from JSON::XS
397