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Revision: 1.310
Committed: Sun Dec 20 21:15:04 2015 UTC (8 years, 4 months ago) by root
Branch: MAIN
CVS Tags: rel-4_22
Changes since 1.309: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.14 Revision history for libev, a high-performance and full-featured event loop.
2 root 1.1
3 root 1.227 TODO: ev_loop_wakeup
4 root 1.250 TODO: EV_STANDALONE == NO_HASSEL (do not use clock_gettime in ev_standalone)
5 root 1.270 TODO: faq, process a thing in each iteration
6     TODO: dbeugging tips, ev_verify, ev_init twice
7 root 1.278 TODO: ev_break for immediate exit (EVBREAK_NOW?)
8     TODO: ev_feed_child_event
9 root 1.274 TODO: document the special problem of signals around fork.
10 root 1.277 TODO: store pid for each signal
11 root 1.278 TODO: document file descriptor usage per loop
12 root 1.279 TODO: store loop pid_t and compare isndie signal handler,store 1 for same, 2 for differign pid, clean up in loop_fork
13 root 1.280 TODO: embed watchers need updating when fd changes
14 root 1.296 TODO: document portability requirements for atomic pointer access
15     TODO: document requirements for function pointers and calling conventions.
16 root 1.287
17 root 1.310 4.22 Sun Dec 20 22:11:50 CET 2015
18 root 1.308 - when epoll detects unremovable fds in the fd set, rebuild
19     only the epoll descriptor, not the signal pipe, to avoid
20     SIGPIPE in ev_async_send. This doesn't solve it on fork,
21     so document what needs to be done in ev_loop_fork
22     (analyzed by Benjamin Mahler).
23     - remove superfluous sys/timeb.h include on win32
24     (analyzed by Jason Madden).
25 root 1.309 - updated libecb.
26 root 1.308
27 root 1.307 4.20 Sat Jun 20 13:01:43 CEST 2015
28 root 1.302 - prefer noexcept over throw () with C++ 11.
29 root 1.303 - update ecb.h due to incompatibilities with c11.
30 root 1.305 - fix a potential aliasing issue when reading and writing
31 root 1.304 watcher callbacks.
32 root 1.301
33 root 1.300 4.19 Thu Sep 25 08:18:25 CEST 2014
34 root 1.298 - ev.h wasn't valid C++ anymore, which tripped compilers other than
35 root 1.299 clang, msvc or gcc (analyzed by Raphael 'kena' Poss). Unfortunately,
36     C++ doesn't support typedefs for function pointers fully, so the affected
37     declarations have to spell out the types each time.
38 root 1.297 - when not using autoconf, tighten the check for clock_gettime and related
39     functionality.
40    
41 root 1.296 4.18 Fri Sep 5 17:55:26 CEST 2014
42 root 1.295 - events on files were not always generated properly with the
43     epoll backend (testcase by Assaf Inbal).
44 root 1.288 - mark event pipe fd as cloexec after a fork (analyzed by Sami Farin).
45 root 1.289 - (ecb) support m68k, m88k and sh (patch by Miod Vallat).
46 root 1.291 - use a reasonable fallback for EV_NSIG instead of erroring out
47     when we can't detect the signal set size.
48 root 1.292 - in the absence of autoconf, do not use the clock syscall
49     on glibc >= 2.17 (avoids the syscall AND -lrt on systems
50     doing clock_gettime in userspace).
51 root 1.293 - ensure extern "C" function pointers are used for externally-visible
52     loop callbacks (not watcher callbacks yet).
53 root 1.294 - (ecb) work around memory barriers and volatile apparently both being
54     broken in visual studio 2008 and later (analysed and patch by Nicolas Noble).
55 root 1.288
56 root 1.287 4.15 Fri Mar 1 12:04:50 CET 2013
57 root 1.271 - destroying a non-default loop would stop the global waitpid
58     watcher (Denis Bilenko).
59 root 1.266 - queueing pending watchers of higher priority from a watcher now invokes
60     them in a timely fashion (reported by Denis Bilenko).
61 root 1.261 - add throw() to all libev functions that cannot throw exceptions, for
62     further code size decrease when compiling for C++.
63     - add throw () to callbacks that must not throw exceptions (allocator,
64     syserr, loop acquire/release, periodic reschedule cbs).
65 root 1.256 - fix event_base_loop return code, add event_get_callback, event_base_new,
66     event_base_get_method calls to improve libevent 1.x emulation and add
67 root 1.273 some libevent 2.x functionality (based on a patch by Jeff Davey).
68 root 1.263 - add more memory fences to fix a bug reported by Jeff Davey. Better
69     be overfenced than underprotected.
70 root 1.256 - ev_run now returns a boolean status (true meaning watchers are
71     still active).
72 root 1.252 - ev_once: undef EV_ERROR in ev_kqueue.c, to avoid clashing with
73     libev's EV_ERROR (reported by 191919).
74 root 1.253 - (ecb) add memory fence support for xlC (Darin McBride).
75     - (ecb) add memory fence support for gcc-mips (Anton Kirilov).
76 root 1.259 - (ecb) add memory fence support for gcc-alpha (Christian Weisgerber).
77 root 1.254 - work around some kernels losing file descriptors by leaking
78     the kqueue descriptor in the child.
79 root 1.282 - work around linux inotify not reporting IN_ATTRIB changes for directories
80     in many cases.
81 root 1.262 - include sys/syscall.h instead of plain syscall.h.
82 root 1.268 - check for io watcher loops in ev_verify, check for the most
83     common reported usage bug in ev_io_start.
84 sf-exg 1.286 - choose socket vs. WSASocket at compiletime using EV_USE_WSASOCKET.
85 root 1.270 - always use WSASend/WSARecv directly on windows, hoping that this
86     works in all cases (unlike read/write/send/recv...).
87 root 1.274 - try to detect signals around a fork faster (test program by
88     Denis Bilenko).
89 root 1.275 - work around recent glibc versions that leak memory in realloc.
90 root 1.276 - rename ev::embed::set to ev::embed::set_embed to avoid clashing
91     the watcher base set (loop) method.
92 root 1.278 - rewrite the async/signal pipe logic to always keep a valid fd, which
93 sf-exg 1.286 simplifies (and hopefully correctifies :) the race checking
94 root 1.278 on fork, at the cost of one extra fd.
95 root 1.282 - add fat, msdos, jffs2, ramfs, ntfs and btrfs to the list of
96     inotify-supporting filesystems.
97 root 1.283 - move orig_CFLAGS assignment to after AC_INIT, as newer autoconf
98     versions ignore it before
99     (https://bugzilla.redhat.com/show_bug.cgi?id=908096).
100 root 1.284 - add some untested android support.
101 root 1.285 - enum expressions must be of type int (reported by Juan Pablo L).
102 root 1.253
103 root 1.250 4.11 Sat Feb 4 19:52:39 CET 2012
104 root 1.248 - INCOMPATIBLE CHANGE: ev_timer_again now clears the pending status, as
105     was documented already, but not implemented in the repeating case.
106 root 1.249 - new compiletime symbols: EV_NO_SMP and EV_NO_THREADS.
107 root 1.234 - fix a race where the workaround against the epoll fork bugs
108     caused signals to not be handled anymore.
109 root 1.229 - correct backend_fudge for most backends, and implement a windows
110     specific workaround to avoid looping because we call both
111     select and Sleep, both with different time resolutions.
112 root 1.230 - document range and guarantees of ev_sleep.
113 root 1.231 - document reasonable ranges for periodics interval and offset.
114     - rename backend_fudge to backend_mintime to avoid future confusion :)
115 root 1.225 - change the default periodic reschedule function to hopefully be more
116 root 1.226 exact and correct even in corner cases or in the far future.
117 root 1.225 - do not rely on -lm anymore: use it when available but use our
118 root 1.230 own floor () if it is missing. This should make it easier to embed,
119     as no external libraries are required.
120 root 1.232 - strategically import macros from libecb and mark rarely-used functions
121 sf-exg 1.239 as cache-cold (saving almost 2k code size on typical amd64 setups).
122 root 1.237 - add Symbols.ev and Symbols.event files, that were missing.
123 root 1.242 - fix backend_mintime value for epoll (was 1/1024, is 1/1000 now).
124 root 1.244 - fix #3 "be smart about timeouts" to not "deadlock" when
125     timeout == now, also improve the section overall.
126     - avoid "AVOIDING FINISHING BEFORE RETURNING" idiom.
127 root 1.245 - support new EV_API_STATIC mode to make all libev symbols
128     static.
129 root 1.251 - supply default CFLAGS of -g -O3 with gcc when original CFLAGS
130     were empty.
131 root 1.225
132 root 1.224 4.04 Wed Feb 16 09:01:51 CET 2011
133     - fix two problems in the native win32 backend, where reuse of fd's
134     with different underlying handles caused handles not to be removed
135     or added to the select set (analyzed and tested by Bert Belder).
136 root 1.221 - do no rely on ceil() in ev_e?poll.c.
137 root 1.222 - backport libev to HP-UX versions before 11 v3.
138 root 1.223 - configure did not detect nanosleep and clock_gettime properly when
139     they are available in the libc (as opposed to -lrt).
140 root 1.221
141 root 1.219 4.03 Tue Jan 11 14:37:25 CET 2011
142 root 1.217 - officially support polling files with all backends.
143 root 1.212 - support files, /dev/zero etc. the same way as select in the epoll
144     backend, by generating events on our own.
145 root 1.217 - ports backend: work around solaris bug 6874410 and many related ones
146     (EINTR, maybe more), with no performance loss (note that the solaris
147     bug report is actually wrong, reality is far more bizarre and broken
148     than that).
149 root 1.209 - define EV_READ/EV_WRITE as macros in event.h, as some programs use
150     #ifdef to test for them.
151 root 1.213 - new (experimental) function: ev_feed_signal.
152     - new (to become default) EVFLAG_NOSIGMASK flag.
153     - new EVBACKEND_MASK symbol.
154 root 1.220 - updated COMMON IDIOMS SECTION.
155 root 1.209
156 root 1.207 4.01 Fri Nov 5 21:51:29 CET 2010
157 root 1.205 - automake fucked it up, apparently, --add-missing -f is not quite enough
158 root 1.206 to make it update its files, so 4.00 didn't install ev++.h and
159     event.h on make install. grrr.
160     - ev_loop(count|depth) didn't return anything (Robin Haberkorn).
161 root 1.203 - change EV_UNDEF to 0xffffffff to silence some overzealous compilers.
162 root 1.204 - use "(libev) " prefix for all libev error messages now.
163 root 1.203
164 root 1.202 4.00 Mon Oct 25 12:32:12 CEST 2010
165 root 1.171 - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading.
166 root 1.161 - ev_embed_stop did not correctly stop the watcher (very good
167     testcase by Vladimir Timofeev).
168 sf-exg 1.191 - ev_run will now always update the current loop time - it erroneously
169 root 1.187 didn't when idle watchers were active, causing timers not to fire.
170 root 1.179 - fix a bug where a timeout of zero caused the timer not to fire
171     in the libevent emulation (testcase by Péter Szabó).
172 root 1.164 - applied win32 fixes by Michael Lenaghan (also James Mansion).
173 root 1.166 - replace EV_MINIMAL by EV_FEATURES.
174 root 1.178 - prefer EPOLL_CTL_ADD over EPOLL_CTL_MOD in some more cases, as it
175     seems the former is *much* faster than the latter.
176 root 1.197 - linux kernel version detection (for inotify bug workarounds)
177     did not work properly.
178 root 1.185 - reduce the number of spurious wake-ups with the ports backend.
179 root 1.158 - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu).
180 root 1.186 - do async init within ev_async_start, not ev_async_set, which avoids
181     an API quirk where the set function must be called in the C++ API
182     even when there is nothing to set.
183 root 1.174 - add (undocumented) EV_ENABLE when adding events with kqueue,
184 root 1.175 this might help with OS X, which seems to need it despite documenting
185     not to need it (helpfully pointed out by Tilghman Lesher).
186 root 1.176 - do not use poll by default on freebsd, it's broken (what isn't
187     on freebsd...).
188 root 1.195 - allow to embed epoll on kernels >= 2.6.32.
189 root 1.159 - configure now prepends -O3, not appends it, so one can still
190     override it.
191 root 1.190 - ev.pod: greatly expanded the portability section, added a porting
192     section, a description of watcher states and made lots of minor fixes.
193 root 1.160 - disable poll backend on AIX, the poll header spams the namespace
194     and it's not worth working around dead platforms (reported
195     and analyzed by Aivars Kalvans).
196 root 1.162 - improve header file compatibility of the standalone eventfd code
197     in an obscure case.
198 root 1.163 - implement EV_AVOID_STDIO option.
199     - do not use sscanf to parse linux version number (smaller, faster,
200     no sscanf dependency).
201 root 1.164 - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings.
202 sf-exg 1.172 - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs.
203 root 1.165 - add section on accept() problems to the manpage.
204 root 1.168 - rename EV_TIMEOUT to EV_TIMER.
205 root 1.190 - rename ev_loop_count/depth/verify/loop/unloop.
206 root 1.197 - remove ev_default_destroy and ev_default_fork.
207 root 1.168 - switch to two-digit minor version.
208 root 1.180 - work around an apparent gentoo compiler bug.
209 root 1.181 - define _DARWIN_UNLIMITED_SELECT. just so.
210 root 1.188 - use enum instead of #define for most constants.
211     - improve compatibility to older C++ compilers.
212 root 1.193 - (experimental) ev_run/ev_default_loop/ev_break/ev_loop_new have now
213     default arguments when compiled as C++.
214 root 1.196 - enable automake dependency tracking.
215 root 1.197 - ev_loop_new no longer leaks memory when loop creation failed.
216 root 1.198 - new ev_cleanup watcher type.
217 root 1.157
218 root 1.156 3.9 Thu Dec 31 07:59:59 CET 2009
219 root 1.155 - signalfd is no longer used by default and has to be requested
220     explicitly - this means that easy to catch bugs become hard to
221     catch race conditions, but the users have spoken.
222     - point out the unspecified signal mask in the documentation, and
223     that this is a race condition regardless of EV_SIGNALFD.
224 root 1.142 - backport inotify code to C89.
225 root 1.148 - inotify file descriptors could leak into child processes.
226 sf-exg 1.241 - ev_stat watchers could keep an erroneous extra ref on the loop,
227 root 1.151 preventing exit when unregistering all watchers (testcases
228 root 1.150 provided by ry@tinyclouds.org).
229 root 1.143 - implement EV_WIN32_HANDLE_TO_FD and EV_WIN32_CLOSE_FD configuration
230 root 1.145 symbols to make it easier for apps to do their own fd management.
231 root 1.144 - support EV_IDLE_ENABLE being disabled in ev++.h
232     (patch by Didier Spezia).
233 root 1.147 - take advantage of inotify_init1, if available, to set cloexec/nonblock
234     on fd creation, to avoid races.
235 root 1.150 - the signal handling pipe wasn't always initialised under windows
236     (analysed by lekma).
237 root 1.146 - changed minimum glibc requirement from glibc 2.9 to 2.7, for
238     signalfd.
239 root 1.152 - add missing string.h include (Denis F. Latypoff).
240 root 1.153 - only replace ev_stat.prev when we detect an actual difference,
241     so prev is (almost) always different to attr. this might
242 sf-exg 1.191 have caused the problems with 04_stat.t.
243 root 1.154 - add ev::timer->remaining () method to C++ API.
244 root 1.142
245 root 1.141 3.8 Sun Aug 9 14:30:45 CEST 2009
246 root 1.133 - incompatible change: do not necessarily reset signal handler
247     to SIG_DFL when a sighandler is stopped.
248 root 1.135 - ev_default_destroy did not properly free or zero some members,
249 sf-exg 1.191 potentially causing crashes and memory corruption on repeated
250 root 1.134 ev_default_destroy/ev_default_loop calls.
251 root 1.133 - take advantage of signalfd on GNU/Linux systems.
252     - document that the signal mask might be in an unspecified
253     state when using libev's signal handling.
254 root 1.136 - take advantage of some GNU/Linux calls to set cloexec/nonblock
255     on fd creation, to avoid race conditions.
256 root 1.132
257 root 1.131 3.7 Fri Jul 17 16:36:32 CEST 2009
258 root 1.128 - ev_unloop and ev_loop wrongly used a global variable to exit loops,
259     instead of using a per-loop variable (bug caught by accident...).
260     - the ev_set_io_collect_interval interpretation has changed.
261     - add new functionality: ev_set_userdata, ev_userdata,
262 root 1.126 ev_set_invoke_pending_cb, ev_set_loop_release_cb,
263 root 1.132 ev_invoke_pending, ev_pending_count, together with a long example
264     about thread locking.
265 root 1.128 - add ev_timer_remaining (as requested by Denis F. Latypoff).
266     - add ev_loop_depth.
267 root 1.124 - calling ev_unloop in fork/prepare watchers will no longer poll
268     for new events.
269 root 1.115 - Denis F. Latypoff corrected many typos in example code snippets.
270     - honor autoconf detection of EV_USE_CLOCK_SYSCALL, also double-
271     check that the syscall number is available before trying to
272     use it (reported by ry@tinyclouds).
273 root 1.117 - use GetSystemTimeAsFileTime instead of _timeb on windows, for
274 root 1.116 slightly higher accuracy.
275 root 1.122 - properly declare ev_loop_verify and ev_now_update even when
276     !EV_MULTIPLICITY.
277 root 1.121 - do not compile in any priority code when EV_MAXPRI == EV_MINPRI.
278 root 1.123 - support EV_MINIMAL==2 for a reduced API.
279 root 1.125 - actually 0-initialise struct sigaction when installing signals.
280 root 1.127 - add section on hibernate and stopped processes to ev_timer docs.
281 root 1.115
282 root 1.113 3.6 Tue Apr 28 02:49:30 CEST 2009
283 root 1.107 - multiple timers becoming ready within an event loop iteration
284     will be invoked in the "correct" order now.
285 root 1.105 - do not leave the event loop early just because we have no active
286     watchers, fixing a problem when embedding a kqueue loop
287     that has active kernel events but no registered watchers
288     (reported by blacksand blacksand).
289 root 1.102 - correctly zero the idx values for arrays, so destroying and
290     reinitialising the default loop actually works (patch by
291     Malek Hadj-Ali).
292 root 1.108 - implement ev_suspend and ev_resume.
293 root 1.106 - new EV_CUSTOM revents flag for use by applications.
294 sf-exg 1.241 - add documentation section about priorities.
295 sf-exg 1.286 - add a glossary to the documentation.
296 root 1.111 - extend the ev_fork description slightly.
297 root 1.112 - optimize a jump out of call_pending.
298 root 1.102
299 root 1.101 3.53 Sun Feb 15 02:38:20 CET 2009
300     - fix a bug in event pipe creation on win32 that would cause a
301     failed assertion on event loop creation (patch by Malek Hadj-Ali).
302 root 1.100 - probe for CLOCK_REALTIME support at runtime as well and fall
303     back to gettimeofday if there is an error, to support older
304     operating systems with newer header files/libraries.
305     - prefer gettimeofday over clock_gettime with USE_CLOCK_SYSCALL
306     (default most everywhere), otherwise not.
307    
308 root 1.99 3.52 Wed Jan 7 21:43:02 CET 2009
309 root 1.97 - fix compilation of select backend in fd_set mode when NFDBITS is
310     missing (to get it to compile on QNX, reported by Rodrigo Campos).
311     - better select-nfds handling when select backend is in fd_set mode.
312     - diagnose fd_set overruns when select backend is in fd_set mode.
313     - due to a thinko, instead of disabling everything but
314     select on the borked OS X platform, everything but select was
315     allowed (reported by Emanuele Giaquinta).
316 root 1.95 - actually verify that local and remote port are matching in
317     libev's socketpair emulation, which makes denial-of-service
318     attacks harder (but not impossible - it's windows). Make sure
319 root 1.96 it even works under vista, which thinks that getpeer/sockname
320     should return fantasy port numbers.
321 root 1.100 - include "libev" in all assertion messages for potentially
322 root 1.97 clearer diagnostics.
323 root 1.98 - event_get_version (libevent compatibility) returned
324     a useless string instead of the expected version string
325     (patch by W.C.A. Wijngaards).
326 root 1.95
327 root 1.94 3.51 Wed Dec 24 23:00:11 CET 2008
328 root 1.91 - fix a bug where an inotify watcher was added twice, causing
329 root 1.92 freezes on hash collisions (reported and analysed by Graham Leggett).
330 root 1.87 - new config symbol, EV_USE_CLOCK_SYSCALL, to make libev use
331     a direct syscall - slower, but no dependency on librt et al.
332 root 1.88 - assume negative return values != -1 signals success of port_getn
333     (http://cvs.epicsol.org/cgi/viewcvs.cgi/epic5/source/newio.c?rev=1.52)
334     (no known failure reports, but it doesn't hurt).
335 root 1.93 - fork detection in ev_embed now stops and restarts the watcher
336     automatically.
337 root 1.89 - EXPERIMENTAL: default the method to operator () in ev++.h,
338     to make it nicer to use functors (requested by Benedek László).
339     - fixed const object callbacks in ev++.h.
340 root 1.90 - replaced loop_ref argument of watcher.set (loop) by a direct
341     ev_loop * in ev++.h, to avoid clashes with functor patch.
342 root 1.91 - do not try to watch the empty string via inotify.
343 root 1.92 - inotify watchers could be leaked under certain circumstances.
344     - OS X 10.5 is actually even more broken than earlier versions,
345     so fall back to select on that piece of garbage.
346 root 1.93 - fixed some weirdness in the ev_embed documentation.
347 root 1.87
348 root 1.86 3.49 Wed Nov 19 11:26:53 CET 2008
349 root 1.83 - ev_stat watchers will now use inotify as a mere hint on
350     kernels <2.6.25, or if the filesystem is not in the
351     "known to be good" list.
352 root 1.84 - better mingw32 compatibility (it's not as borked as native win32)
353     (analysed by Roger Pack).
354 root 1.85 - include stdio.h in the example program, as too many people are
355     confused by the weird C language otherwise. I guess the next thing
356     I get told is that the "..." ellipses in the examples don't compile
357     with their C compiler.
358 root 1.83
359 root 1.80 3.48 Thu Oct 30 09:02:37 CET 2008
360 root 1.71 - further optimise away the EPOLL_CTL_ADD/MOD combo in the epoll
361     backend by assuming the kernel event mask hasn't changed if
362     ADD fails with EEXIST.
363 root 1.75 - work around spurious event notification bugs in epoll by using
364 root 1.77 a 32-bit generation counter. recreate kernel state if we receive
365 root 1.78 spurious notifications or unwanted events. this is very costly,
366     but I didn't come up with this horrible design.
367 root 1.71 - use memset to initialise most arrays now and do away with the
368     init functions.
369 root 1.72 - expand time-out strategies into a "Be smart about timeouts" section.
370     - drop the "struct" from all ev_watcher declarations in the
371 root 1.73 documentation and did other clarifications (yeah, it was a mistake
372     to have a struct AND a function called ev_loop).
373 root 1.74 - fix a bug where ev_default would not initialise the default
374     loop again after it was destroyed with ev_default_destroy.
375 root 1.79 - rename syserr to ev_syserr to avoid name clashes when embedding,
376     do similar changes for event.c.
377 root 1.71
378 root 1.69 3.45 Tue Oct 21 21:59:26 CEST 2008
379 root 1.67 - disable inotify usage on linux <2.6.25, as it is broken
380     (reported by Yoann Vandoorselaere).
381 sf-exg 1.191 - ev_stat erroneously would try to add inotify watchers
382 root 1.68 even when inotify wasn't available (this should only
383 root 1.67 have a performance impact).
384 root 1.65 - ev_once now passes both timeout and io to the callback if both
385     occur concurrently, instead of giving timeouts precedence.
386 root 1.66 - disable EV_USE_INOTIFY when sys/inotify.h is too old.
387 root 1.65
388 root 1.62 3.44 Mon Sep 29 05:18:39 CEST 2008
389     - embed watchers now automatically invoke ev_loop_fork on the
390     embedded loop when the parent loop forks.
391 root 1.58 - new function: ev_now_update (loop).
392 root 1.57 - verify_watcher was not marked static.
393 root 1.59 - improve the "associating..." manpage section.
394 root 1.60 - documentation tweaks here and there.
395 root 1.57
396 root 1.56 3.43 Sun Jul 6 05:34:41 CEST 2008
397 root 1.54 - include more include files on windows to get struct _stati64
398 root 1.56 (reported by Chris Hulbert, but doesn't quite fix his issue).
399 root 1.53 - add missing #include <io.h> in ev.c on windows (reported by
400     Matt Tolton).
401    
402 root 1.52 3.42 Tue Jun 17 12:12:07 CEST 2008
403 root 1.50 - work around yet another windows bug: FD_SET actually adds fd's
404     multiple times to the fd_*SET*, despite official MSN docs claiming
405 root 1.51 otherwise. Reported and well-analysed by Matt Tolton.
406     - define NFDBITS to 0 when EV_SELECT_IS_WINSOCKET to make it compile
407 root 1.48 (reported any analysed by Chris Hulbert).
408 root 1.49 - fix a bug in ev_ebadf (this function is only used to catch
409     programming errors in the libev user). reported by Matt Tolton.
410     - fix a bug in fd_intern on win32 (could lead to compile errors
411     under some circumstances, but would work correctly if it compiles).
412     reported by Matt Tolton.
413 root 1.50 - (try to) work around missing lstat on windows.
414 root 1.45 - pass in the write fd set as except fd set under windows. windows
415 root 1.46 is so uncontrollably lame that it requires this. this means that
416     switching off oobinline is not supported (but tcp/ip doesn't
417     have oob, so that would be stupid anyways.
418 root 1.47 - use posix module symbol to auto-detect monotonic clock presence
419     and some other default values.
420 root 1.45
421 root 1.44 3.41 Fri May 23 18:42:54 CEST 2008
422 root 1.46 - work around an obscure bug in winsocket select: if you
423 root 1.40 provide only empty fd sets then select returns WSAEINVAL. how sucky.
424 root 1.41 - improve timer scheduling stability and reduce use of time_epsilon.
425 root 1.36 - use 1-based 2-heap for EV_MINIMAL, simplifies code, reduces
426     codesize and makes for better cache-efficiency.
427     - use 3-based 4-heap for !EV_MINIMAL. this makes better use
428     of cpu cache lines and gives better growth behaviour than
429     2-based heaps.
430 root 1.38 - cache timestamp within heap for !EV_MINIMAL, to avoid random
431     memory accesses.
432     - document/add EV_USE_4HEAP and EV_HEAP_CACHE_AT.
433 root 1.33 - fix a potential aliasing issue in ev_timer_again.
434 root 1.35 - add/document ev_periodic_at, retract direct access to ->at.
435     - improve ev_stat docs.
436     - add portability requirements section.
437 root 1.39 - fix manpage headers etc.
438 root 1.40 - normalise WSA error codes to lower range on windows.
439 root 1.43 - add consistency check code that can be called automatically
440     or on demand to check for internal structures (ev_loop_verify).
441 root 1.31
442 root 1.30 3.31 Wed Apr 16 20:45:04 CEST 2008
443     - added last minute fix for ev_poll.c by Brandon Black.
444 root 1.29
445 root 1.28 3.3 Wed Apr 16 19:04:10 CEST 2008
446 root 1.23 - event_base_loopexit should return 0 on success
447     (W.C.A. Wijngaards).
448 root 1.20 - added linux eventfd support.
449     - try to autodetect epoll and inotify support
450     by libc header version if not using autoconf.
451 root 1.21 - new symbols: EV_DEFAULT_UC and EV_DEFAULT_UC_.
452     - declare functions defined in ev.h as inline if
453     C99 or gcc are available.
454     - enable inlining with gcc versions 2 and 3.
455 root 1.25 - work around broken poll implementations potentially
456     not clearing revents field in ev_poll (Brandon Black)
457     (no such systems are known at this time).
458 root 1.23 - work around a bug in realloc on openbsd and darwin,
459 sf-exg 1.191 also makes the erroneous valgrind complaints
460 root 1.23 go away (noted by various people).
461 root 1.26 - fix ev_async_pending, add c++ wrapper for ev_async
462 sf-exg 1.191 (based on patch sent by Johannes Deisenhofer).
463 root 1.26 - add sensible set method to ev::embed.
464 root 1.27 - made integer constants type int in ev.h.
465 root 1.20
466 root 1.19 3.2 Wed Apr 2 17:11:19 CEST 2008
467 root 1.15 - fix a 64 bit overflow issue in the select backend,
468     by using fd_mask instead of int for the mask.
469 root 1.16 - rename internal sighandler to avoid clash with very old perls.
470 root 1.18 - entering ev_loop will not clear the ONESHOT or NONBLOCKING
471     flags of any outer loops anymore.
472 root 1.17 - add ev_async_pending.
473 root 1.15
474 root 1.14 3.1 Thu Mar 13 13:45:22 CET 2008
475 root 1.12 - implement ev_async watchers.
476 root 1.10 - only initialise signal pipe on demand.
477     - make use of sig_atomic_t configurable.
478 root 1.14 - improved documentation.
479 root 1.10
480 root 1.9 3.0 Mon Jan 28 13:14:47 CET 2008
481 root 1.6 - API/ABI bump to version 3.0.
482 root 1.4 - ev++.h includes "ev.h" by default now, not <ev.h>.
483     - slightly improved documentation.
484 root 1.5 - speed up signal detection after a fork.
485 root 1.6 - only optionally return trace status changed in ev_child
486     watchers.
487 root 1.8 - experimental (and undocumented) loop wrappers for ev++.h.
488 root 1.4
489 root 1.2 2.01 Tue Dec 25 08:04:41 CET 2007
490 root 1.3 - separate Changes file.
491 root 1.2 - fix ev_path_set => ev_stat_set typo.
492     - remove event_compat.h from the libev tarball.
493     - change how include files are found.
494     - doc updates.
495     - update licenses, explicitly allow for GPL relicensing.
496    
497     2.0 Sat Dec 22 17:47:03 CET 2007
498     - new ev_sleep, ev_set_(io|timeout)_collect_interval.
499     - removed epoll from embeddable fd set.
500     - fix embed watchers.
501     - renamed ev_embed.loop to other.
502     - added exported Symbol tables.
503     - undefine member wrapper macros at the end of ev.c.
504     - respect EV_H in ev++.h.
505    
506     1.86 Tue Dec 18 02:36:57 CET 2007
507     - fix memleak on loop destroy (not relevant for perl).
508    
509     1.85 Fri Dec 14 20:32:40 CET 2007
510     - fix some aliasing issues w.r.t. timers and periodics
511     (not relevant for perl).
512    
513     (for historic versions refer to EV/Changes, found in the Perl interface)
514    
515 root 1.1 0.1 Wed Oct 31 21:31:48 CET 2007
516     - original version; hacked together in <24h.
517