1 | Revision history for libev, a high-performance and full-featured event loop. |
1 | Revision history for libev, a high-performance and full-featured event loop. |
2 | |
2 | |
3 | TODO: accept() documentation |
3 | TODO: include ev_xyz_start in each example? |
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4 | - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading. |
4 | - ev_embed_stop did not correctly stop the watcher (very good |
5 | - ev_embed_stop did not correctly stop the watcher (very good |
5 | testcase by Vladimir Timofeev). |
6 | testcase by Vladimir Timofeev). |
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7 | - ev_run will now always update the current loop time - it erroneously |
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8 | didn't when idle watchers were active, causing timers not to fire. |
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9 | - fix a bug where a timeout of zero caused the timer not to fire |
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10 | in the libevent emulation (testcase by Péter Szabó). |
6 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
11 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
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12 | - replace EV_MINIMAL by EV_FEATURES. |
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13 | - prefer EPOLL_CTL_ADD over EPOLL_CTL_MOD in some more cases, as it |
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14 | seems the former is *much* faster than the latter. |
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15 | - reduce the number of spurious wake-ups with the ports backend. |
7 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
16 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
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17 | - do async init within ev_async_start, not ev_async_set, which avoids |
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18 | an API quirk where the set function must be called in the C++ API |
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19 | even when there is nothing to set. |
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20 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
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21 | this might help with OS X, which seems to need it despite documenting |
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22 | not to need it (helpfully pointed out by Tilghman Lesher). |
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23 | - do not use poll by default on freebsd, it's broken (what isn't |
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24 | on freebsd...). |
8 | - configure now prepends -O3, not appends it, so one can still |
25 | - configure now prepends -O3, not appends it, so one can still |
9 | override it. |
26 | override it. |
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27 | - ev.pod: greatly expanded the portability section, added a porting |
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28 | section, a description of watcher states and made lots of minor fixes. |
10 | - disable poll backend on AIX, the poll header spams the namespace |
29 | - disable poll backend on AIX, the poll header spams the namespace |
11 | and it's not worth working around dead platforms (reported |
30 | and it's not worth working around dead platforms (reported |
12 | and analyzed by Aivars Kalvans). |
31 | and analyzed by Aivars Kalvans). |
13 | - improve header file compatibility of the standalone eventfd code |
32 | - improve header file compatibility of the standalone eventfd code |
14 | in an obscure case. |
33 | in an obscure case. |
15 | - implement EV_AVOID_STDIO option. |
34 | - implement EV_AVOID_STDIO option. |
16 | - do not use sscanf to parse linux version number (smaller, faster, |
35 | - do not use sscanf to parse linux version number (smaller, faster, |
17 | no sscanf dependency). |
36 | no sscanf dependency). |
18 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
37 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
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38 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
19 | - add section on accept() problems to the manpage. |
39 | - add section on accept() problems to the manpage. |
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40 | - rename EV_TIMEOUT to EV_TIMER. |
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41 | - rename ev_loop_count/depth/verify/loop/unloop. |
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42 | - switch to two-digit minor version. |
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43 | - work around an apparent gentoo compiler bug. |
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44 | - define _DARWIN_UNLIMITED_SELECT. just so. |
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45 | - use enum instead of #define for most constants. |
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46 | - improve compatibility to older C++ compilers. |
20 | |
47 | |
21 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
48 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
22 | - signalfd is no longer used by default and has to be requested |
49 | - signalfd is no longer used by default and has to be requested |
23 | explicitly - this means that easy to catch bugs become hard to |
50 | explicitly - this means that easy to catch bugs become hard to |
24 | catch race conditions, but the users have spoken. |
51 | catch race conditions, but the users have spoken. |
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40 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
67 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
41 | signalfd. |
68 | signalfd. |
42 | - add missing string.h include (Denis F. Latypoff). |
69 | - add missing string.h include (Denis F. Latypoff). |
43 | - only replace ev_stat.prev when we detect an actual difference, |
70 | - only replace ev_stat.prev when we detect an actual difference, |
44 | so prev is (almost) always different to attr. this might |
71 | so prev is (almost) always different to attr. this might |
45 | have caused the probems with 04_stat.t. |
72 | have caused the problems with 04_stat.t. |
46 | - add ev::timer->remaining () method to C++ API. |
73 | - add ev::timer->remaining () method to C++ API. |
47 | |
74 | |
48 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
75 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
49 | - incompatible change: do not necessarily reset signal handler |
76 | - incompatible change: do not necessarily reset signal handler |
50 | to SIG_DFL when a sighandler is stopped. |
77 | to SIG_DFL when a sighandler is stopped. |
51 | - ev_default_destroy did not properly free or zero some members, |
78 | - ev_default_destroy did not properly free or zero some members, |
52 | potentially causing crashes and memory corruption on repated |
79 | potentially causing crashes and memory corruption on repeated |
53 | ev_default_destroy/ev_default_loop calls. |
80 | ev_default_destroy/ev_default_loop calls. |
54 | - take advantage of signalfd on GNU/Linux systems. |
81 | - take advantage of signalfd on GNU/Linux systems. |
55 | - document that the signal mask might be in an unspecified |
82 | - document that the signal mask might be in an unspecified |
56 | state when using libev's signal handling. |
83 | state when using libev's signal handling. |
57 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
84 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
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179 | do similar changes for event.c. |
206 | do similar changes for event.c. |
180 | |
207 | |
181 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
208 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
182 | - disable inotify usage on linux <2.6.25, as it is broken |
209 | - disable inotify usage on linux <2.6.25, as it is broken |
183 | (reported by Yoann Vandoorselaere). |
210 | (reported by Yoann Vandoorselaere). |
184 | - ev_stat errornously would try to add inotify watchers |
211 | - ev_stat erroneously would try to add inotify watchers |
185 | even when inotify wasn't available (this should only |
212 | even when inotify wasn't available (this should only |
186 | have a performance impact). |
213 | have a performance impact). |
187 | - ev_once now passes both timeout and io to the callback if both |
214 | - ev_once now passes both timeout and io to the callback if both |
188 | occur concurrently, instead of giving timeouts precedence. |
215 | occur concurrently, instead of giving timeouts precedence. |
189 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
216 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
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257 | - enable inlining with gcc versions 2 and 3. |
284 | - enable inlining with gcc versions 2 and 3. |
258 | - work around broken poll implementations potentially |
285 | - work around broken poll implementations potentially |
259 | not clearing revents field in ev_poll (Brandon Black) |
286 | not clearing revents field in ev_poll (Brandon Black) |
260 | (no such systems are known at this time). |
287 | (no such systems are known at this time). |
261 | - work around a bug in realloc on openbsd and darwin, |
288 | - work around a bug in realloc on openbsd and darwin, |
262 | also makes the errornous valgrind complaints |
289 | also makes the erroneous valgrind complaints |
263 | go away (noted by various people). |
290 | go away (noted by various people). |
264 | - fix ev_async_pending, add c++ wrapper for ev_async |
291 | - fix ev_async_pending, add c++ wrapper for ev_async |
265 | (based on patch sent by Johannes Deisenhofer. |
292 | (based on patch sent by Johannes Deisenhofer). |
266 | - add sensible set method to ev::embed. |
293 | - add sensible set method to ev::embed. |
267 | - made integer constants type int in ev.h. |
294 | - made integer constants type int in ev.h. |
268 | |
295 | |
269 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
296 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
270 | - fix a 64 bit overflow issue in the select backend, |
297 | - fix a 64 bit overflow issue in the select backend, |