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: include ev_xyz_start in each example? |
3 | TODO: move some other examples to common idioms? combining watchers, |
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4 | thread usage, coroutine switch? |
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5 | |
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6 | TODO: frankenpoll |
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7 | TODO: frankenports |
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8 | 4.03 |
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9 | - support files, /dev/zero etc. the same way as select in the epoll |
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10 | backend, by generating events on our own. |
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11 | - define EV_READ/EV_WRITE as macros in event.h, as some programs use |
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12 | #ifdef to test for them. |
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13 | - new (experimental) function: ev_feed_signal. |
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14 | - new (to become default) EVFLAG_NOSIGMASK flag. |
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15 | - new EVBACKEND_MASK symbol. |
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16 | - ports backend: work around solaris bug 6874410 and many related ones |
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17 | (EINTR, maybe more), with no performance loss. |
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18 | |
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19 | 4.01 Fri Nov 5 21:51:29 CET 2010 |
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20 | - automake fucked it up, apparently, --add-missing -f is not quite enough |
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21 | to make it update its files, so 4.00 didn't install ev++.h and |
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22 | event.h on make install. grrr. |
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23 | - ev_loop(count|depth) didn't return anything (Robin Haberkorn). |
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24 | - change EV_UNDEF to 0xffffffff to silence some overzealous compilers. |
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25 | - use "(libev) " prefix for all libev error messages now. |
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26 | |
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27 | 4.00 Mon Oct 25 12:32:12 CEST 2010 |
4 | - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading. |
28 | - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading. |
5 | - ev_embed_stop did not correctly stop the watcher (very good |
29 | - ev_embed_stop did not correctly stop the watcher (very good |
6 | testcase by Vladimir Timofeev). |
30 | testcase by Vladimir Timofeev). |
7 | - ev_run will now always update the current loop time - it errornously |
31 | - ev_run will now always update the current loop time - it erroneously |
8 | didn't when idle watchers were active, causing timers not to fire. |
32 | didn't when idle watchers were active, causing timers not to fire. |
9 | - fix a bug where a timeout of zero caused the timer not to fire |
33 | - fix a bug where a timeout of zero caused the timer not to fire |
10 | in the libevent emulation (testcase by Péter Szabó). |
34 | in the libevent emulation (testcase by Péter Szabó). |
11 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
35 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
12 | - replace EV_MINIMAL by EV_FEATURES. |
36 | - replace EV_MINIMAL by EV_FEATURES. |
13 | - prefer EPOLL_CTL_ADD over EPOLL_CTL_MOD in some more cases, as it |
37 | - prefer EPOLL_CTL_ADD over EPOLL_CTL_MOD in some more cases, as it |
14 | seems the former is *much* faster than the latter. |
38 | seems the former is *much* faster than the latter. |
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39 | - linux kernel version detection (for inotify bug workarounds) |
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40 | did not work properly. |
15 | - reduce the number of spurious wake-ups with the ports backend. |
41 | - reduce the number of spurious wake-ups with the ports backend. |
16 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
42 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
17 | - do async init within ev_async_start, not ev_async_set, which avoids |
43 | - do async init within ev_async_start, not ev_async_set, which avoids |
18 | an API quirk where the set function must be called in the C++ API |
44 | an API quirk where the set function must be called in the C++ API |
19 | even when there is nothing to set. |
45 | even when there is nothing to set. |
20 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
46 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
21 | this might help with OS X, which seems to need it despite documenting |
47 | this might help with OS X, which seems to need it despite documenting |
22 | not to need it (helpfully pointed out by Tilghman Lesher). |
48 | not to need it (helpfully pointed out by Tilghman Lesher). |
23 | - do not use poll by default on freebsd, it's broken (what isn't |
49 | - do not use poll by default on freebsd, it's broken (what isn't |
24 | on freebsd...). |
50 | on freebsd...). |
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51 | - allow to embed epoll on kernels >= 2.6.32. |
25 | - configure now prepends -O3, not appends it, so one can still |
52 | - configure now prepends -O3, not appends it, so one can still |
26 | override it. |
53 | override it. |
27 | - ev.pod: greatly expanded the portability section, added a porting |
54 | - ev.pod: greatly expanded the portability section, added a porting |
28 | section, a description of watcher states and made lots of minor fixes. |
55 | section, a description of watcher states and made lots of minor fixes. |
29 | - disable poll backend on AIX, the poll header spams the namespace |
56 | - disable poll backend on AIX, the poll header spams the namespace |
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37 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
64 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
38 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
65 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
39 | - add section on accept() problems to the manpage. |
66 | - add section on accept() problems to the manpage. |
40 | - rename EV_TIMEOUT to EV_TIMER. |
67 | - rename EV_TIMEOUT to EV_TIMER. |
41 | - rename ev_loop_count/depth/verify/loop/unloop. |
68 | - rename ev_loop_count/depth/verify/loop/unloop. |
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69 | - remove ev_default_destroy and ev_default_fork. |
42 | - switch to two-digit minor version. |
70 | - switch to two-digit minor version. |
43 | - work around an apparent gentoo compiler bug. |
71 | - work around an apparent gentoo compiler bug. |
44 | - define _DARWIN_UNLIMITED_SELECT. just so. |
72 | - define _DARWIN_UNLIMITED_SELECT. just so. |
45 | - use enum instead of #define for most constants. |
73 | - use enum instead of #define for most constants. |
46 | - improve compatibility to older C++ compilers. |
74 | - improve compatibility to older C++ compilers. |
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75 | - (experimental) ev_run/ev_default_loop/ev_break/ev_loop_new have now |
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76 | default arguments when compiled as C++. |
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77 | - enable automake dependency tracking. |
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78 | - ev_loop_new no longer leaks memory when loop creation failed. |
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79 | - new ev_cleanup watcher type. |
47 | |
80 | |
48 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
81 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
49 | - signalfd is no longer used by default and has to be requested |
82 | - signalfd is no longer used by default and has to be requested |
50 | explicitly - this means that easy to catch bugs become hard to |
83 | explicitly - this means that easy to catch bugs become hard to |
51 | catch race conditions, but the users have spoken. |
84 | catch race conditions, but the users have spoken. |
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67 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
100 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
68 | signalfd. |
101 | signalfd. |
69 | - add missing string.h include (Denis F. Latypoff). |
102 | - add missing string.h include (Denis F. Latypoff). |
70 | - only replace ev_stat.prev when we detect an actual difference, |
103 | - only replace ev_stat.prev when we detect an actual difference, |
71 | so prev is (almost) always different to attr. this might |
104 | so prev is (almost) always different to attr. this might |
72 | have caused the probems with 04_stat.t. |
105 | have caused the problems with 04_stat.t. |
73 | - add ev::timer->remaining () method to C++ API. |
106 | - add ev::timer->remaining () method to C++ API. |
74 | |
107 | |
75 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
108 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
76 | - incompatible change: do not necessarily reset signal handler |
109 | - incompatible change: do not necessarily reset signal handler |
77 | to SIG_DFL when a sighandler is stopped. |
110 | to SIG_DFL when a sighandler is stopped. |
78 | - ev_default_destroy did not properly free or zero some members, |
111 | - ev_default_destroy did not properly free or zero some members, |
79 | potentially causing crashes and memory corruption on repated |
112 | potentially causing crashes and memory corruption on repeated |
80 | ev_default_destroy/ev_default_loop calls. |
113 | ev_default_destroy/ev_default_loop calls. |
81 | - take advantage of signalfd on GNU/Linux systems. |
114 | - take advantage of signalfd on GNU/Linux systems. |
82 | - document that the signal mask might be in an unspecified |
115 | - document that the signal mask might be in an unspecified |
83 | state when using libev's signal handling. |
116 | state when using libev's signal handling. |
84 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
117 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
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206 | do similar changes for event.c. |
239 | do similar changes for event.c. |
207 | |
240 | |
208 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
241 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
209 | - disable inotify usage on linux <2.6.25, as it is broken |
242 | - disable inotify usage on linux <2.6.25, as it is broken |
210 | (reported by Yoann Vandoorselaere). |
243 | (reported by Yoann Vandoorselaere). |
211 | - ev_stat errornously would try to add inotify watchers |
244 | - ev_stat erroneously would try to add inotify watchers |
212 | even when inotify wasn't available (this should only |
245 | even when inotify wasn't available (this should only |
213 | have a performance impact). |
246 | have a performance impact). |
214 | - ev_once now passes both timeout and io to the callback if both |
247 | - ev_once now passes both timeout and io to the callback if both |
215 | occur concurrently, instead of giving timeouts precedence. |
248 | occur concurrently, instead of giving timeouts precedence. |
216 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
249 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
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284 | - enable inlining with gcc versions 2 and 3. |
317 | - enable inlining with gcc versions 2 and 3. |
285 | - work around broken poll implementations potentially |
318 | - work around broken poll implementations potentially |
286 | not clearing revents field in ev_poll (Brandon Black) |
319 | not clearing revents field in ev_poll (Brandon Black) |
287 | (no such systems are known at this time). |
320 | (no such systems are known at this time). |
288 | - work around a bug in realloc on openbsd and darwin, |
321 | - work around a bug in realloc on openbsd and darwin, |
289 | also makes the errornous valgrind complaints |
322 | also makes the erroneous valgrind complaints |
290 | go away (noted by various people). |
323 | go away (noted by various people). |
291 | - fix ev_async_pending, add c++ wrapper for ev_async |
324 | - fix ev_async_pending, add c++ wrapper for ev_async |
292 | (based on patch sent by Johannes Deisenhofer. |
325 | (based on patch sent by Johannes Deisenhofer). |
293 | - add sensible set method to ev::embed. |
326 | - add sensible set method to ev::embed. |
294 | - made integer constants type int in ev.h. |
327 | - made integer constants type int in ev.h. |
295 | |
328 | |
296 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
329 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
297 | - fix a 64 bit overflow issue in the select backend, |
330 | - fix a 64 bit overflow issue in the select backend, |