| 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 | - change EV_UNDEF to 0xffffffff to silence some overzealous compilers. |
| 4 | TODO: include ev_xyz_start in each example? |
4 | |
| 5 | TODO: section watcher states/lifetime |
5 | 4.00 Mon Oct 25 12:32:12 CEST 2010 |
| 6 | - "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. |
| 7 | - ev_embed_stop did not correctly stop the watcher (very good |
7 | - ev_embed_stop did not correctly stop the watcher (very good |
| 8 | 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. |
| 9 | - 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 |
| 10 | in the libevent emulation (testcase by Péter Szabó). |
12 | in the libevent emulation (testcase by Péter Szabó). |
| 11 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
13 | - applied win32 fixes by Michael Lenaghan (also James Mansion). |
| 12 | - replace EV_MINIMAL by EV_FEATURES. |
14 | - replace EV_MINIMAL by EV_FEATURES. |
| 13 | - 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 |
| 14 | seems the former is *much* faster than the latter. |
16 | seems the former is *much* faster than the latter. |
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17 | - linux kernel version detection (for inotify bug workarounds) |
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18 | did not work properly. |
| 15 | - reduce the number of spurious wake-ups with the ports backend. |
19 | - reduce the number of spurious wake-ups with the ports backend. |
| 16 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
20 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
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21 | - do async init within ev_async_start, not ev_async_set, which avoids |
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22 | an API quirk where the set function must be called in the C++ API |
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23 | even when there is nothing to set. |
| 17 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
24 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
| 18 | this might help with OS X, which seems to need it despite documenting |
25 | this might help with OS X, which seems to need it despite documenting |
| 19 | not to need it (helpfully pointed out by Tilghman Lesher). |
26 | 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 |
27 | - do not use poll by default on freebsd, it's broken (what isn't |
| 21 | on freebsd...). |
28 | on freebsd...). |
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29 | - allow to embed epoll on kernels >= 2.6.32. |
| 22 | - configure now prepends -O3, not appends it, so one can still |
30 | - configure now prepends -O3, not appends it, so one can still |
| 23 | override it. |
31 | override it. |
| 24 | - greatly expanded the portability section. |
32 | - ev.pod: greatly expanded the portability section, added a porting |
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33 | section, a description of watcher states and made lots of minor fixes. |
| 25 | - disable poll backend on AIX, the poll header spams the namespace |
34 | - disable poll backend on AIX, the poll header spams the namespace |
| 26 | and it's not worth working around dead platforms (reported |
35 | and it's not worth working around dead platforms (reported |
| 27 | and analyzed by Aivars Kalvans). |
36 | and analyzed by Aivars Kalvans). |
| 28 | - improve header file compatibility of the standalone eventfd code |
37 | - improve header file compatibility of the standalone eventfd code |
| 29 | in an obscure case. |
38 | in an obscure case. |
| … | |
… | |
| 32 | no sscanf dependency). |
41 | no sscanf dependency). |
| 33 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
42 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
| 34 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
43 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
| 35 | - add section on accept() problems to the manpage. |
44 | - add section on accept() problems to the manpage. |
| 36 | - rename EV_TIMEOUT to EV_TIMER. |
45 | - rename EV_TIMEOUT to EV_TIMER. |
| 37 | - rename ev_loop_count/depth/verify. |
46 | - rename ev_loop_count/depth/verify/loop/unloop. |
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47 | - remove ev_default_destroy and ev_default_fork. |
| 38 | - switch to two-digit minor version. |
48 | - switch to two-digit minor version. |
| 39 | - work around an apparent gentoo compiler bug. |
49 | - work around an apparent gentoo compiler bug. |
| 40 | - define _DARWIN_UNLIMITED_SELECT. just so. |
50 | - define _DARWIN_UNLIMITED_SELECT. just so. |
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51 | - use enum instead of #define for most constants. |
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52 | - improve compatibility to older C++ compilers. |
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53 | - (experimental) ev_run/ev_default_loop/ev_break/ev_loop_new have now |
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54 | default arguments when compiled as C++. |
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55 | - enable automake dependency tracking. |
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56 | - ev_loop_new no longer leaks memory when loop creation failed. |
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57 | - new ev_cleanup watcher type. |
| 41 | |
58 | |
| 42 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
59 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
| 43 | - signalfd is no longer used by default and has to be requested |
60 | - signalfd is no longer used by default and has to be requested |
| 44 | explicitly - this means that easy to catch bugs become hard to |
61 | explicitly - this means that easy to catch bugs become hard to |
| 45 | catch race conditions, but the users have spoken. |
62 | catch race conditions, but the users have spoken. |
| … | |
… | |
| 61 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
78 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
| 62 | signalfd. |
79 | signalfd. |
| 63 | - add missing string.h include (Denis F. Latypoff). |
80 | - add missing string.h include (Denis F. Latypoff). |
| 64 | - only replace ev_stat.prev when we detect an actual difference, |
81 | - only replace ev_stat.prev when we detect an actual difference, |
| 65 | so prev is (almost) always different to attr. this might |
82 | so prev is (almost) always different to attr. this might |
| 66 | have caused the probems with 04_stat.t. |
83 | have caused the problems with 04_stat.t. |
| 67 | - add ev::timer->remaining () method to C++ API. |
84 | - add ev::timer->remaining () method to C++ API. |
| 68 | |
85 | |
| 69 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
86 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
| 70 | - incompatible change: do not necessarily reset signal handler |
87 | - incompatible change: do not necessarily reset signal handler |
| 71 | to SIG_DFL when a sighandler is stopped. |
88 | to SIG_DFL when a sighandler is stopped. |
| 72 | - ev_default_destroy did not properly free or zero some members, |
89 | - ev_default_destroy did not properly free or zero some members, |
| 73 | potentially causing crashes and memory corruption on repated |
90 | potentially causing crashes and memory corruption on repeated |
| 74 | ev_default_destroy/ev_default_loop calls. |
91 | ev_default_destroy/ev_default_loop calls. |
| 75 | - take advantage of signalfd on GNU/Linux systems. |
92 | - take advantage of signalfd on GNU/Linux systems. |
| 76 | - document that the signal mask might be in an unspecified |
93 | - document that the signal mask might be in an unspecified |
| 77 | state when using libev's signal handling. |
94 | state when using libev's signal handling. |
| 78 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
95 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
| … | |
… | |
| 200 | do similar changes for event.c. |
217 | do similar changes for event.c. |
| 201 | |
218 | |
| 202 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
219 | 3.45 Tue Oct 21 21:59:26 CEST 2008 |
| 203 | - disable inotify usage on linux <2.6.25, as it is broken |
220 | - disable inotify usage on linux <2.6.25, as it is broken |
| 204 | (reported by Yoann Vandoorselaere). |
221 | (reported by Yoann Vandoorselaere). |
| 205 | - ev_stat errornously would try to add inotify watchers |
222 | - ev_stat erroneously would try to add inotify watchers |
| 206 | even when inotify wasn't available (this should only |
223 | even when inotify wasn't available (this should only |
| 207 | have a performance impact). |
224 | have a performance impact). |
| 208 | - ev_once now passes both timeout and io to the callback if both |
225 | - ev_once now passes both timeout and io to the callback if both |
| 209 | occur concurrently, instead of giving timeouts precedence. |
226 | occur concurrently, instead of giving timeouts precedence. |
| 210 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
227 | - disable EV_USE_INOTIFY when sys/inotify.h is too old. |
| … | |
… | |
| 278 | - enable inlining with gcc versions 2 and 3. |
295 | - enable inlining with gcc versions 2 and 3. |
| 279 | - work around broken poll implementations potentially |
296 | - work around broken poll implementations potentially |
| 280 | not clearing revents field in ev_poll (Brandon Black) |
297 | not clearing revents field in ev_poll (Brandon Black) |
| 281 | (no such systems are known at this time). |
298 | (no such systems are known at this time). |
| 282 | - work around a bug in realloc on openbsd and darwin, |
299 | - work around a bug in realloc on openbsd and darwin, |
| 283 | also makes the errornous valgrind complaints |
300 | also makes the erroneous valgrind complaints |
| 284 | go away (noted by various people). |
301 | go away (noted by various people). |
| 285 | - fix ev_async_pending, add c++ wrapper for ev_async |
302 | - fix ev_async_pending, add c++ wrapper for ev_async |
| 286 | (based on patch sent by Johannes Deisenhofer. |
303 | (based on patch sent by Johannes Deisenhofer). |
| 287 | - add sensible set method to ev::embed. |
304 | - add sensible set method to ev::embed. |
| 288 | - made integer constants type int in ev.h. |
305 | - made integer constants type int in ev.h. |
| 289 | |
306 | |
| 290 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
307 | 3.2 Wed Apr 2 17:11:19 CEST 2008 |
| 291 | - fix a 64 bit overflow issue in the select backend, |
308 | - fix a 64 bit overflow issue in the select backend, |
