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: ABI??? API????? Changes??? |
3 | TODO: include ev_xyz_start in each example? |
4 | TODO: win32 write() to socket for signal handling |
4 | TODO: ev_pdef stupid idea? |
5 | TODO: poll asert |
5 | TODO: EVRUN_XXX? |
6 | TODO: EV_USE__XXX default with config, document |
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7 | - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading. |
6 | - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading. |
8 | - ev_embed_stop did not correctly stop the watcher (very good |
7 | - ev_embed_stop did not correctly stop the watcher (very good |
9 | testcase by Vladimir Timofeev). |
8 | testcase by Vladimir Timofeev). |
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9 | - ev_run will now always update the current loop time - it erroneously |
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10 | didn't when idle watchers were active, causing timers not to fire. |
10 | - fix a bug where a timeout of zero caused the timer not to fire |
11 | - fix a bug where a timeout of zero caused the timer not to fire |
11 | in the libevent emulation (testcase by Péter Szabó). |
12 | in the libevent emulation (testcase by Péter Szabó). |
12 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
13 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
13 | - replace EV_MINIMAL by EV_FEATURES. |
14 | - replace EV_MINIMAL by EV_FEATURES. |
14 | - prefer EPOLL_CTL_ADD over EPOLL_CTL_MOD in some more cases, as it |
15 | - prefer EPOLL_CTL_ADD over EPOLL_CTL_MOD in some more cases, as it |
15 | seems the former is *much* faster than the latter. |
16 | seems the former is *much* faster than the latter. |
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17 | - reduce the number of spurious wake-ups with the ports backend. |
16 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
18 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
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19 | - do async init within ev_async_start, not ev_async_set, which avoids |
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20 | an API quirk where the set function must be called in the C++ API |
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21 | even when there is nothing to set. |
17 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
22 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
18 | this might help with OS X, which seems to need it despite documenting |
23 | this might help with OS X, which seems to need it despite documenting |
19 | not to need it (helpfully pointed out by Tilghman Lesher). |
24 | not to need it (helpfully pointed out by Tilghman Lesher). |
20 | - do not use poll by default on freebsd, it's broken (what isn't |
25 | - do not use poll by default on freebsd, it's broken (what isn't |
21 | on freebsd...). |
26 | on freebsd...). |
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27 | - allow to embed epoll on kernels >= 2.6.32. |
22 | - configure now prepends -O3, not appends it, so one can still |
28 | - configure now prepends -O3, not appends it, so one can still |
23 | override it. |
29 | override it. |
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30 | - ev.pod: greatly expanded the portability section, added a porting |
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31 | section, a description of watcher states and made lots of minor fixes. |
24 | - disable poll backend on AIX, the poll header spams the namespace |
32 | - disable poll backend on AIX, the poll header spams the namespace |
25 | and it's not worth working around dead platforms (reported |
33 | and it's not worth working around dead platforms (reported |
26 | and analyzed by Aivars Kalvans). |
34 | and analyzed by Aivars Kalvans). |
27 | - improve header file compatibility of the standalone eventfd code |
35 | - improve header file compatibility of the standalone eventfd code |
28 | in an obscure case. |
36 | in an obscure case. |
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31 | no sscanf dependency). |
39 | no sscanf dependency). |
32 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
40 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
33 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
41 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
34 | - add section on accept() problems to the manpage. |
42 | - add section on accept() problems to the manpage. |
35 | - rename EV_TIMEOUT to EV_TIMER. |
43 | - rename EV_TIMEOUT to EV_TIMER. |
36 | - rename ev_loop_count/depth/verify. |
44 | - rename ev_loop_count/depth/verify/loop/unloop. |
37 | - switch to two-digit minor version. |
45 | - switch to two-digit minor version. |
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46 | - work around an apparent gentoo compiler bug. |
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47 | - define _DARWIN_UNLIMITED_SELECT. just so. |
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48 | - use enum instead of #define for most constants. |
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49 | - improve compatibility to older C++ compilers. |
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50 | - (experimental) ev_run/ev_default_loop/ev_break/ev_loop_new have now |
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51 | default arguments when compiled as C++. |
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52 | - enable automake dependency tracking. |
38 | |
53 | |
39 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
54 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
40 | - signalfd is no longer used by default and has to be requested |
55 | - signalfd is no longer used by default and has to be requested |
41 | explicitly - this means that easy to catch bugs become hard to |
56 | explicitly - this means that easy to catch bugs become hard to |
42 | catch race conditions, but the users have spoken. |
57 | catch race conditions, but the users have spoken. |
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58 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
73 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
59 | signalfd. |
74 | signalfd. |
60 | - add missing string.h include (Denis F. Latypoff). |
75 | - add missing string.h include (Denis F. Latypoff). |
61 | - only replace ev_stat.prev when we detect an actual difference, |
76 | - only replace ev_stat.prev when we detect an actual difference, |
62 | so prev is (almost) always different to attr. this might |
77 | so prev is (almost) always different to attr. this might |
63 | have caused the probems with 04_stat.t. |
78 | have caused the problems with 04_stat.t. |
64 | - add ev::timer->remaining () method to C++ API. |
79 | - add ev::timer->remaining () method to C++ API. |
65 | |
80 | |
66 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
81 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
67 | - incompatible change: do not necessarily reset signal handler |
82 | - incompatible change: do not necessarily reset signal handler |
68 | to SIG_DFL when a sighandler is stopped. |
83 | to SIG_DFL when a sighandler is stopped. |
69 | - ev_default_destroy did not properly free or zero some members, |
84 | - ev_default_destroy did not properly free or zero some members, |
70 | potentially causing crashes and memory corruption on repated |
85 | potentially causing crashes and memory corruption on repeated |
71 | ev_default_destroy/ev_default_loop calls. |
86 | ev_default_destroy/ev_default_loop calls. |
72 | - take advantage of signalfd on GNU/Linux systems. |
87 | - take advantage of signalfd on GNU/Linux systems. |
73 | - document that the signal mask might be in an unspecified |
88 | - document that the signal mask might be in an unspecified |
74 | state when using libev's signal handling. |
89 | state when using libev's signal handling. |
75 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
90 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
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197 | do similar changes for event.c. |
212 | do similar changes for event.c. |
198 | |
213 | |
199 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
214 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
200 | - disable inotify usage on linux <2.6.25, as it is broken |
215 | - disable inotify usage on linux <2.6.25, as it is broken |
201 | (reported by Yoann Vandoorselaere). |
216 | (reported by Yoann Vandoorselaere). |
202 | - ev_stat errornously would try to add inotify watchers |
217 | - ev_stat erroneously would try to add inotify watchers |
203 | even when inotify wasn't available (this should only |
218 | even when inotify wasn't available (this should only |
204 | have a performance impact). |
219 | have a performance impact). |
205 | - ev_once now passes both timeout and io to the callback if both |
220 | - ev_once now passes both timeout and io to the callback if both |
206 | occur concurrently, instead of giving timeouts precedence. |
221 | occur concurrently, instead of giving timeouts precedence. |
207 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
222 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
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275 | - enable inlining with gcc versions 2 and 3. |
290 | - enable inlining with gcc versions 2 and 3. |
276 | - work around broken poll implementations potentially |
291 | - work around broken poll implementations potentially |
277 | not clearing revents field in ev_poll (Brandon Black) |
292 | not clearing revents field in ev_poll (Brandon Black) |
278 | (no such systems are known at this time). |
293 | (no such systems are known at this time). |
279 | - work around a bug in realloc on openbsd and darwin, |
294 | - work around a bug in realloc on openbsd and darwin, |
280 | also makes the errornous valgrind complaints |
295 | also makes the erroneous valgrind complaints |
281 | go away (noted by various people). |
296 | go away (noted by various people). |
282 | - fix ev_async_pending, add c++ wrapper for ev_async |
297 | - fix ev_async_pending, add c++ wrapper for ev_async |
283 | (based on patch sent by Johannes Deisenhofer. |
298 | (based on patch sent by Johannes Deisenhofer). |
284 | - add sensible set method to ev::embed. |
299 | - add sensible set method to ev::embed. |
285 | - made integer constants type int in ev.h. |
300 | - made integer constants type int in ev.h. |
286 | |
301 | |
287 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
302 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
288 | - fix a 64 bit overflow issue in the select backend, |
303 | - fix a 64 bit overflow issue in the select backend, |