| 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 | |
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3 | TODO: ev_loop_wakeup |
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4 | TODO: EV_STANDALONE == NO_HASSEL (do not use clock_gettime in ev_standalone) |
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5 | |
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6 | TODO: document WSA_EV_USE_SOCKET in win32 part |
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7 | TODO: ^ OR use WSASend/WSARecv on the handle, which always works |
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8 | TODO: use __OPTIMIZE__ or __OPTIMIZE_SIZE__? |
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9 | |
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10 | - fix event_base_loop return code, add event_get_callback, event_base_new, |
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11 | event_base_get_method calls to improve libevent 1.x emulation and add |
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12 | some libevent 2.x funcitonality (based on a patch by Jeff Davey). |
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13 | - ev_run now returns a boolean status (true meaning watchers are |
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14 | still active). |
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15 | - ev_once: undef EV_ERROR in ev_kqueue.c, to avoid clashing with |
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16 | libev's EV_ERROR (reported by 191919). |
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17 | - (ecb) add memory fence support for xlC (Darin McBride). |
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18 | - (ecb) add memory fence support for gcc-mips (Anton Kirilov). |
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19 | - work around some kernels losing file descriptors by leaking |
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20 | the kqueue descriptor in the child. |
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21 | |
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22 | 4.11 Sat Feb 4 19:52:39 CET 2012 |
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23 | - INCOMPATIBLE CHANGE: ev_timer_again now clears the pending status, as |
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24 | was documented already, but not implemented in the repeating case. |
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25 | - new compiletime symbols: EV_NO_SMP and EV_NO_THREADS. |
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26 | - fix a race where the workaround against the epoll fork bugs |
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27 | caused signals to not be handled anymore. |
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28 | - correct backend_fudge for most backends, and implement a windows |
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29 | specific workaround to avoid looping because we call both |
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30 | select and Sleep, both with different time resolutions. |
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31 | - document range and guarantees of ev_sleep. |
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32 | - document reasonable ranges for periodics interval and offset. |
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33 | - rename backend_fudge to backend_mintime to avoid future confusion :) |
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34 | - change the default periodic reschedule function to hopefully be more |
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35 | exact and correct even in corner cases or in the far future. |
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36 | - do not rely on -lm anymore: use it when available but use our |
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37 | own floor () if it is missing. This should make it easier to embed, |
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38 | as no external libraries are required. |
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39 | - strategically import macros from libecb and mark rarely-used functions |
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40 | as cache-cold (saving almost 2k code size on typical amd64 setups). |
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41 | - add Symbols.ev and Symbols.event files, that were missing. |
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42 | - fix backend_mintime value for epoll (was 1/1024, is 1/1000 now). |
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43 | - fix #3 "be smart about timeouts" to not "deadlock" when |
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44 | timeout == now, also improve the section overall. |
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45 | - avoid "AVOIDING FINISHING BEFORE RETURNING" idiom. |
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46 | - support new EV_API_STATIC mode to make all libev symbols |
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47 | static. |
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48 | - supply default CFLAGS of -g -O3 with gcc when original CFLAGS |
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49 | were empty. |
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50 | |
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51 | 4.04 Wed Feb 16 09:01:51 CET 2011 |
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52 | - fix two problems in the native win32 backend, where reuse of fd's |
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53 | with different underlying handles caused handles not to be removed |
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54 | or added to the select set (analyzed and tested by Bert Belder). |
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55 | - do no rely on ceil() in ev_e?poll.c. |
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56 | - backport libev to HP-UX versions before 11 v3. |
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57 | - configure did not detect nanosleep and clock_gettime properly when |
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58 | they are available in the libc (as opposed to -lrt). |
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59 | |
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60 | 4.03 Tue Jan 11 14:37:25 CET 2011 |
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61 | - officially support polling files with all backends. |
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62 | - support files, /dev/zero etc. the same way as select in the epoll |
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63 | backend, by generating events on our own. |
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64 | - ports backend: work around solaris bug 6874410 and many related ones |
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65 | (EINTR, maybe more), with no performance loss (note that the solaris |
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66 | bug report is actually wrong, reality is far more bizarre and broken |
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67 | than that). |
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68 | - define EV_READ/EV_WRITE as macros in event.h, as some programs use |
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69 | #ifdef to test for them. |
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70 | - new (experimental) function: ev_feed_signal. |
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71 | - new (to become default) EVFLAG_NOSIGMASK flag. |
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72 | - new EVBACKEND_MASK symbol. |
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73 | - updated COMMON IDIOMS SECTION. |
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74 | |
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75 | 4.01 Fri Nov 5 21:51:29 CET 2010 |
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76 | - automake fucked it up, apparently, --add-missing -f is not quite enough |
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77 | to make it update its files, so 4.00 didn't install ev++.h and |
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78 | event.h on make install. grrr. |
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79 | - ev_loop(count|depth) didn't return anything (Robin Haberkorn). |
| 3 | - change EV_UNDEF to 0xffffffff to silence some overzealous compilers. |
80 | - change EV_UNDEF to 0xffffffff to silence some overzealous compilers. |
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81 | - use "(libev) " prefix for all libev error messages now. |
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82 | |
| 5 | 4.00 Mon Oct 25 12:32:12 CEST 2010 |
83 | 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. |
84 | - "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 |
85 | - ev_embed_stop did not correctly stop the watcher (very good |
| 8 | testcase by Vladimir Timofeev). |
86 | testcase by Vladimir Timofeev). |
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| 62 | catch race conditions, but the users have spoken. |
140 | catch race conditions, but the users have spoken. |
| 63 | - point out the unspecified signal mask in the documentation, and |
141 | - point out the unspecified signal mask in the documentation, and |
| 64 | that this is a race condition regardless of EV_SIGNALFD. |
142 | that this is a race condition regardless of EV_SIGNALFD. |
| 65 | - backport inotify code to C89. |
143 | - backport inotify code to C89. |
| 66 | - inotify file descriptors could leak into child processes. |
144 | - inotify file descriptors could leak into child processes. |
| 67 | - ev_stat watchers could keep an errornous extra ref on the loop, |
145 | - ev_stat watchers could keep an erroneous extra ref on the loop, |
| 68 | preventing exit when unregistering all watchers (testcases |
146 | preventing exit when unregistering all watchers (testcases |
| 69 | provided by ry@tinyclouds.org). |
147 | provided by ry@tinyclouds.org). |
| 70 | - implement EV_WIN32_HANDLE_TO_FD and EV_WIN32_CLOSE_FD configuration |
148 | - implement EV_WIN32_HANDLE_TO_FD and EV_WIN32_CLOSE_FD configuration |
| 71 | symbols to make it easier for apps to do their own fd management. |
149 | symbols to make it easier for apps to do their own fd management. |
| 72 | - support EV_IDLE_ENABLE being disabled in ev++.h |
150 | - support EV_IDLE_ENABLE being disabled in ev++.h |
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| 130 | - correctly zero the idx values for arrays, so destroying and |
208 | - correctly zero the idx values for arrays, so destroying and |
| 131 | reinitialising the default loop actually works (patch by |
209 | reinitialising the default loop actually works (patch by |
| 132 | Malek Hadj-Ali). |
210 | Malek Hadj-Ali). |
| 133 | - implement ev_suspend and ev_resume. |
211 | - implement ev_suspend and ev_resume. |
| 134 | - new EV_CUSTOM revents flag for use by applications. |
212 | - new EV_CUSTOM revents flag for use by applications. |
| 135 | - add documentation section about priorites. |
213 | - add documentation section about priorities. |
| 136 | - add a glossary to the dcoumentation. |
214 | - add a glossary to the dcoumentation. |
| 137 | - extend the ev_fork description slightly. |
215 | - extend the ev_fork description slightly. |
| 138 | - optimize a jump out of call_pending. |
216 | - optimize a jump out of call_pending. |
| 139 | |
217 | |
| 140 | 3.53 Sun Feb 15 02:38:20 CET 2009 |
218 | 3.53 Sun Feb 15 02:38:20 CET 2009 |
