| 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. |
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2 | |
| 3 | TODO: ev_walk |
3 | TODO: ABI??? API????? Changes??? |
| 4 | TODO: child wactehr execution order w.r.t. childsigcb reg. priorities |
4 | TODO: include ev_xyz_start in each example? |
| 5 | TODO: remain |
5 | TODO: section watcher states/lifetime |
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6 | - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading. |
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7 | - ev_embed_stop did not correctly stop the watcher (very good |
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8 | testcase by Vladimir Timofeev). |
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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). |
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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 | - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). |
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16 | - add (undocumented) EV_ENABLE when adding events with kqueue, |
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17 | this might help with OS X, which seems to need it despite documenting |
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18 | not to need it (helpfully pointed out by Tilghman Lesher). |
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19 | - do not use poll by default on freebsd, it's broken (what isn't |
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20 | on freebsd...). |
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21 | - configure now prepends -O3, not appends it, so one can still |
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22 | override it. |
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23 | - greatly expanded the portability section. |
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24 | - disable poll backend on AIX, the poll header spams the namespace |
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25 | and it's not worth working around dead platforms (reported |
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26 | and analyzed by Aivars Kalvans). |
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27 | - improve header file compatibility of the standalone eventfd code |
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28 | in an obscure case. |
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29 | - implement EV_AVOID_STDIO option. |
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30 | - do not use sscanf to parse linux version number (smaller, faster, |
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31 | no sscanf dependency). |
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32 | - new EV_CHILD_ENABLE and EV_SIGNAL_ENABLE configurable settings. |
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33 | - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. |
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34 | - add section on accept() problems to the manpage. |
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35 | - rename EV_TIMEOUT to EV_TIMER. |
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36 | - rename ev_loop_count/depth/verify. |
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37 | - switch to two-digit minor version. |
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38 | - work around an apparent gentoo compiler bug. |
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39 | - define _DARWIN_UNLIMITED_SELECT. just so. |
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40 | |
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41 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
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42 | - signalfd is no longer used by default and has to be requested |
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43 | explicitly - this means that easy to catch bugs become hard to |
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44 | catch race conditions, but the users have spoken. |
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45 | - point out the unspecified signal mask in the documentation, and |
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46 | that this is a race condition regardless of EV_SIGNALFD. |
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47 | - backport inotify code to C89. |
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48 | - inotify file descriptors could leak into child processes. |
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49 | - ev_stat watchers could keep an errornous extra ref on the loop, |
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50 | preventing exit when unregistering all watchers (testcases |
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51 | provided by ry@tinyclouds.org). |
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52 | - implement EV_WIN32_HANDLE_TO_FD and EV_WIN32_CLOSE_FD configuration |
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53 | symbols to make it easier for apps to do their own fd management. |
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54 | - support EV_IDLE_ENABLE being disabled in ev++.h |
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55 | (patch by Didier Spezia). |
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56 | - take advantage of inotify_init1, if available, to set cloexec/nonblock |
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57 | on fd creation, to avoid races. |
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58 | - the signal handling pipe wasn't always initialised under windows |
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59 | (analysed by lekma). |
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60 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for |
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61 | signalfd. |
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62 | - add missing string.h include (Denis F. Latypoff). |
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63 | - only replace ev_stat.prev when we detect an actual difference, |
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64 | so prev is (almost) always different to attr. this might |
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65 | have caused the probems with 04_stat.t. |
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66 | - add ev::timer->remaining () method to C++ API. |
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67 | |
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68 | 3.8 Sun Aug 9 14:30:45 CEST 2009 |
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69 | - incompatible change: do not necessarily reset signal handler |
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70 | to SIG_DFL when a sighandler is stopped. |
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71 | - ev_default_destroy did not properly free or zero some members, |
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72 | potentially causing crashes and memory corruption on repated |
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73 | ev_default_destroy/ev_default_loop calls. |
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74 | - take advantage of signalfd on GNU/Linux systems. |
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75 | - document that the signal mask might be in an unspecified |
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76 | state when using libev's signal handling. |
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77 | - take advantage of some GNU/Linux calls to set cloexec/nonblock |
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78 | on fd creation, to avoid race conditions. |
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79 | |
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80 | 3.7 Fri Jul 17 16:36:32 CEST 2009 |
| 6 | - ev_unloop and ev_loop wrongly used a global variable to exit loops, |
81 | - ev_unloop and ev_loop wrongly used a global variable to exit loops, |
| 7 | instead of using a per-loop variable (bug caught by accident...). |
82 | instead of using a per-loop variable (bug caught by accident...). |
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83 | - the ev_set_io_collect_interval interpretation has changed. |
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84 | - add new functionality: ev_set_userdata, ev_userdata, |
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85 | ev_set_invoke_pending_cb, ev_set_loop_release_cb, |
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86 | ev_invoke_pending, ev_pending_count, together with a long example |
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87 | about thread locking. |
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88 | - add ev_timer_remaining (as requested by Denis F. Latypoff). |
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89 | - add ev_loop_depth. |
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90 | - calling ev_unloop in fork/prepare watchers will no longer poll |
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91 | for new events. |
| 8 | - Denis F. Latypoff corrected many typos in example code snippets. |
92 | - Denis F. Latypoff corrected many typos in example code snippets. |
| 9 | - the ev_set_io_collect_interval interpretation has changed. |
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| 10 | - honor autoconf detection of EV_USE_CLOCK_SYSCALL, also double- |
93 | - honor autoconf detection of EV_USE_CLOCK_SYSCALL, also double- |
| 11 | check that the syscall number is available before trying to |
94 | check that the syscall number is available before trying to |
| 12 | use it (reported by ry@tinyclouds). |
95 | use it (reported by ry@tinyclouds). |
| 13 | - use GetSystemTimeAsFileTime instead of _timeb on windows, for |
96 | - use GetSystemTimeAsFileTime instead of _timeb on windows, for |
| 14 | slightly higher accuracy. |
97 | slightly higher accuracy. |
| 15 | - properly declare ev_loop_verify even when !EV_MULTIPLICITY. |
98 | - properly declare ev_loop_verify and ev_now_update even when |
| 16 | - implement ev_loop_depth. |
99 | !EV_MULTIPLICITY. |
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100 | - do not compile in any priority code when EV_MAXPRI == EV_MINPRI. |
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101 | - support EV_MINIMAL==2 for a reduced API. |
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102 | - actually 0-initialise struct sigaction when installing signals. |
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103 | - add section on hibernate and stopped processes to ev_timer docs. |
| 17 | |
104 | |
| 18 | 3.6 Tue Apr 28 02:49:30 CEST 2009 |
105 | 3.6 Tue Apr 28 02:49:30 CEST 2009 |
| 19 | - multiple timers becoming ready within an event loop iteration |
106 | - multiple timers becoming ready within an event loop iteration |
| 20 | will be invoked in the "correct" order now. |
107 | will be invoked in the "correct" order now. |
| 21 | - do not leave the event loop early just because we have no active |
108 | - do not leave the event loop early just because we have no active |
