| 1 | Revision history for Perl extension EV |
1 | Revision history for Perl extension EV |
| 2 | |
2 | |
| 3 | TODO: document fork watchers |
3 | Changes marked with (libev) are changes in libev, and might have more |
| 4 | TODO: implement loops |
4 | documentation in the libev Changes file. |
| 5 | TODO: implement embed watchers |
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| 6 | |
5 | |
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6 | - (libev) fixed a bug introduced in 4.31 when timerfds and signalfds were |
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7 | used at the same time. |
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8 | - (libev) 0 is now allowed as requested event mask in io watchers. |
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9 | - (libev) once-per-minute wakeups will now be optimized away when |
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10 | timerfds are available |
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11 | - use the new ev_io_modify in EV::IO->events, instead of the potentially |
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12 | slower ev_io_set. |
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13 | - add a bunch of mutator methods, mostly untested(!): EV::Timer->repeat, |
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14 | EV::Periodic->offset, EV::Periodic->interval, |
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15 | EV::Periodic->reschedule_cb. |
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16 | - minor optimisations and bugfixes. |
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17 | |
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18 | 4.31 Fri Dec 20 21:57:00 CET 2019 |
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19 | - (libev) handle backends with minimum wait time a bit better by |
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20 | not waiting in the presence of already-expired timers |
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21 | (behaviour reported by Felipe Gasper). |
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22 | - (libev) use timerfd to detect timejumps. |
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23 | - (libev) new loop flag: EVFLAG_NOTIMERFD. |
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24 | |
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25 | 4.30 Fri Nov 22 21:00:00 CET 2019 |
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26 | - (libev) use a different and hopefully even more portable |
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27 | test to disable io_uring when header files are too old, |
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28 | by directly testing LINUX_VERSION_CODE. |
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29 | - (libev) fix a bug in the io_uring backend that polled the wrong |
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30 | backend fd, causing it to not work in many cases. |
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31 | |
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32 | 4.29 Fri Nov 22 15:34:29 CET 2019 |
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33 | - (libev) add io uring autoconf and non-autoconf detection, |
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34 | the latter of which should disable io_uring compilation |
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35 | on old systems. |
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36 | |
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37 | 4.28 Tue Nov 19 13:55:39 CET 2019 |
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38 | - (libev) fix ev_port backend, thanks to David H. Gutteridge for |
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39 | - (libev) many bugfixes in linuxaio backend. |
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40 | - (libev) experimental io uring interface. |
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41 | reminding me to actually release the fix. |
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42 | - try to name ev.h more explicitly, to hopefully improve portability. |
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43 | - opportunistically round up wait times for poll and epoll backend, |
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44 | to avoid unnecessary loop iterations. |
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45 | - add build dependency on ev_linuxaio.c. |
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46 | - quickly (re)-ported to minix 3.3 before minix crashed again. |
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47 | |
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48 | 4.27 Thu Jun 27 09:39:58 CEST 2019 |
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49 | - (libev) completely rewritten linuxaio backend, maybe |
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50 | usable as a general-use backend. |
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51 | - (libev) use more aggressive assertions to catch |
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52 | more usage errors. |
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53 | - allow users to re-enable assert() in case it is disabled |
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54 | by perl (which is typically the case). |
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55 | |
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56 | 4.26 Mon Jun 24 23:39:40 CEST 2019 |
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57 | - (libev) included experimental linux aio backend. |
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58 | - allow the linux aio backend to be used by default |
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59 | only when explicitly configured during Makefile.PL time. |
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60 | |
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61 | 4.25 Fri Dec 21 08:04:26 CET 2018 |
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62 | - (libev) updated to libev 4.25, minor fixes and enhancements. |
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63 | - document the requirement to "use EV" when using EV::MakeMaker. |
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64 | - only use __register_atfork with glibc and uclibc, as musl |
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65 | defines __linux__, but doesn't implement the linux standard |
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66 | base ABI, nor makes itself detectable via a macro, both apparently |
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67 | by design, winning the "broken by design 2016 award" - well done. |
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68 | - correct EV::periodic example 24h after midnight -> one day after |
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69 | midnight (reported by Felix Ostmann). |
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70 | |
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71 | 4.22 Sun Dec 20 02:34:39 CET 2015 |
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72 | - (libev) when epoll detects unremovable fds in the fd set, rebuild |
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73 | only the epoll descriptor, not the signal pipe, to avoid |
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74 | SIGPIPE in ev_async_send. This doesn't solve it on fork, |
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75 | so document what needs to be done in ev_loop_fork |
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76 | (analyzed by Benjamin Mahler). |
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77 | - (libev) remove superfluous sys/timeb.h include on win32 |
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78 | (analyzed by Jason Madden). |
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79 | - updated libecb. |
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80 | |
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81 | 4.21 Mon Jul 13 21:47:33 CEST 2015 |
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82 | - allow argument in timer->again. |
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83 | - document timer->remaining. |
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84 | - document default repeat value for timer->set. |
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85 | |
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86 | 4.20 Sat Jun 20 13:07:34 CEST 2015 |
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87 | - added stability canary support. |
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88 | - truly rely on automatic configuration for clock_gettime and others. |
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89 | unfortunately, this doesn't help with activeperl and similar perls, |
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90 | which define _POSIX_TIMERS without actually implementing any of it. |
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91 | - (libev, ecb) make it compile as C++ again. |
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92 | - (libev) fix a potential aliasing issue when accessing watcher cbs. |
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93 | |
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94 | 4.18 Sat Sep 6 20:37:23 CEST 2014 |
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95 | - use slightly better weay to find includes, to support multiarch |
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96 | on newer perls. |
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97 | |
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98 | 4.17 Fri Apr 11 06:22:38 CEST 2014 |
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99 | - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL |
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100 | without warning by switching the meaning of USE_SOCKETS_AS_HANDLES |
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101 | in 5.18. What's so attractive about giving a shit about backwards |
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102 | compatibility - I will never understand. |
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103 | |
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104 | 4.16 Sat Mar 8 16:49:05 CET 2014 |
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105 | - make sure EV::CHECK is available at all times. |
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106 | - avoid a spurious warning when perl -w overrides "no warnings". |
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107 | - use perl's signal implementation on WIN32. |
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108 | - ensure extern "C" function pointers are used for externally-visible |
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109 | pointers. |
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110 | - (libev) mark event pipe fd as cloexec after a fork (analyzed by Sami Farin). |
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111 | - (ecb) support m68k, m88k and sh (patch by Miod Vallat). |
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112 | - (libev) in the absence of autoconf, do not use the clock syscall |
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113 | on glibc >= 2.17 (avoids the syscall AND -lrt on systems |
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114 | doing clock_gettime in userspace). |
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115 | - (ecb) work around memory barriers and volatile apparently both being |
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116 | broken in visual studio 2008 and later (analysed and patch by Nicolas Noble). |
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117 | |
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118 | 4.15 Fri Mar 1 12:15:53 CET 2013 |
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119 | - (libev) upgrade to 4.15 - too many changes to list. |
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120 | - EV::run now returns a boolean. |
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121 | - API version 5:1. |
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122 | - document that cleanup watchers are not available via perl. |
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123 | - cast I32 to int in error message printf. |
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124 | - remove dependencies on librt and libpthreads on GNU/Linux. |
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125 | |
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126 | 4.11 Sat Feb 4 19:56:26 CET 2012 |
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127 | - (libev) implement memory fences for (obsolete) llvm-gcc. |
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128 | |
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129 | 4.10 Thu Jan 19 18:54:23 CET 2012 |
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130 | - (libev) fix a race where the workaround against the epoll fork |
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131 | bugs caused signals to not be handled anymore. |
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132 | - (libev) correct backend_fudge for most backends, and implement |
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133 | a windows specific workaround to avoid looping because we call |
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134 | both select and Sleep, both with different time resolutions. |
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135 | - e_new wasn't declared static (causing very minor .so bloat). |
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136 | - replace more old api names by new ones. |
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137 | |
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138 | 4.03 Tue Jan 11 14:51:05 CET 2011 |
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139 | - do not avoid the clock_gettime call on GNU/Linux anymore, as EV |
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140 | links against -lpthread anyways - as a result, EV might now take |
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141 | advantage of fast userspace clock_gettime implementations, |
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142 | but also links against -lrt. |
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143 | - (libev) lots of event port bug workarounds. |
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144 | - (libev) officially support files in I/O watchers. |
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145 | - (libev) new function ev_feed_signal. |
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146 | - fix documentation parts still refering to the 3.x API. |
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147 | |
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148 | 4.02 Thu Dec 30 08:27:41 CET 2010 |
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149 | - the revents argument did not stringify correctly, as only the |
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150 | numeric value was updated, while the string value was kept from |
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151 | previous invocations. |
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152 | |
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153 | 4.01 Sun Dec 5 12:42:13 CET 2010 |
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154 | - fully support EV_COMPAT3=0. |
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155 | - default_fork was stupidly defined as inline. |
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156 | - ask cpan to upgrade AnyEvent if < 5.29. |
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157 | - support EV_EXTRA_DEFS during configuration. |
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158 | - support -DEV_NO_LOOPS for snakker build. |
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159 | |
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160 | 4.00 Mon Oct 25 13:30:09 CEST 2010 |
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161 | - many API changes, see the manual. |
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162 | - (libev) lots and lots of bugfixes, see the ev documentation. |
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163 | - fix a bug where inotify usage would parse the same event |
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164 | multiple times, causing various forms of breakage. |
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165 | - greatly reduce stack usage for inotify (8kb to <0.5kb). |
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166 | - expose ev_depth and ev_verify via the XS API. |
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167 | - implement ev_cleanup watchers. |
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168 | - (libev) ev_embed_stop did not correctly stop the watcher. |
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169 | - (libev) disable poll backend on AIX. |
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170 | - (libev) rename EV_TIMEOUT to EV_TIMER. |
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171 | - (libev) add section on accept() problems to the manpage. |
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172 | - (libev) no child watchers on win32. |
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173 | - make code more aliasing compliant, in case perl is ever |
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174 | translated to C. |
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175 | - document the EV::CHECK runtime unavailability. |
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176 | - ported to minix 3.1.7. |
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177 | |
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178 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
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179 | - disable t/07* under automatic testing. |
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180 | - increase t/09* timeouts as netbsd has *horribly* broken |
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181 | select/kevent that *usually* sleep >>0.6s instead of 0.3. |
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182 | - add constants EV::FLAG_NOSIGFD, EV::FLAG_NOINOTIFY and |
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183 | EV::BACKEND_ALL. |
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184 | - (libev) signalfd is no longer used by default. |
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185 | - (libev) backport inotify code to C89. |
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186 | - (libev) inotify file descriptors could leak into child processes. |
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187 | - (libev) ev_stat watchers could keep an errornous extra ref on the loop. |
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188 | - (libev) take advantage of inotify_init1, if available. |
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189 | - (libev) the signal handling pipe wasn't always initialised under windows. |
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190 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for signalfd. |
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191 | - (libev) only replace ev_stat.prev when we detect an actual difference. |
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192 | |
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193 | 3.8 Sun Aug 9 15:30:10 CEST 2009 |
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194 | - implement $loop->signal/signal_ns. |
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195 | - (libev) incompatible change: do not necessarily reset signal |
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196 | handler to SIG_DFL when a sighandler is stopped. |
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197 | - (libev) ev_default_destroy did not properly free or zero some |
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198 | members, potentially causing crashes and memory corruption on |
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199 | repated ev_default_destroy/ev_default_loop calls. |
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200 | - (libev) take advantage of signalfd on GNU/Linux systems. |
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201 | - (libev) document that the signal mask might be in an unspecified |
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202 | state when using libev's signal handling. |
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203 | - (libev) take advantage of some GNU/Linux calls to set |
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204 | cloexec/nonblock on fd creation, to avoid race conditions. |
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205 | - implement internal glue code to interface more efficiently |
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206 | with AnyEvent. |
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207 | |
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208 | 3.7 Fri Jul 17 16:49:16 CEST 2009 |
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209 | - add EV::loop_verify and EV::loop_depth. |
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210 | - use output filehandle for i/o watchers waiting |
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211 | for EV_WRITE, otherwise input filehandle. |
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212 | - use common schmorp.h header. |
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213 | - add EV::Timer->remaining. |
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214 | - allow for subclassing of EV::Loop (see the exciting |
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215 | EV::Loop::Async module for an example). |
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216 | - added EV::invoke_pending and EV::pending_count. |
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217 | |
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218 | - (libev) ev_unloop and ev_loop wrongly used a global variable to |
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219 | exit loops, instead of using a per-loop variable. |
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220 | - (libev) the ev_set_io_collect_interval interpretation has changed. |
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221 | - add new functionality: EV::invoke_pending, EV::pending_count. |
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222 | - add $timer->remaining. |
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223 | - add EV::loop_depth. |
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224 | - (libev) calling unloop in fork/prepare watchers will no longer poll |
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225 | for new events. |
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226 | - (libev) use GetSystemTimeAsFileTime instead of _timeb on windows, |
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227 | for slightly higher accuracy. |
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228 | - (libev) actually 0-initialise struct sigaction when installing |
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229 | signals. |
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230 | |
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231 | 3.6 Tue Apr 28 02:50:37 CEST 2009 |
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232 | - keepalive(0) could decrease the refcount of the loop |
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233 | permanently. |
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234 | - add ev_suspend/ev_resume, also make ev_now_update |
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235 | accessible via the XS API. |
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236 | - most EV::<eventtype> constants were missing and have been |
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237 | added :/. |
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238 | - add EV::VERSION_MAJOR/VERSION_MINOR constants. |
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239 | - (libev) multiple timers becoming ready within an event loop |
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240 | iteration will be invoked in the "correct" order now. |
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241 | - (libev) do not leave the event loop early just because we have |
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242 | no active watchers, fixing a problem when embedding a kqueue |
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243 | loop that has active kernel events but no registered watchers |
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244 | (reported by blacksand blacksand). |
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245 | - (libev) correctly zero the idx values for arrays, so destroying |
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246 | and reinitialising the default loop actually works (patch by |
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247 | Malek Hadj-Ali). |
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248 | - (libev) new EV::CUSTOM revents flag for use by applications. |
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249 | - (libev) add documentation section about priorites. |
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250 | - (libev) add a glossary to the dcoumentation. |
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251 | - (libev) extend the ev_fork description slightly. |
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252 | - (libev) optimize a jump out of call_pending. |
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253 | - t/03_keepalive could fail when there was no actual error. |
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254 | |
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255 | 3.53 Sun Feb 15 02:38:20 CET 2009 |
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256 | - (libev) on win32, the event loop creation could randomly fail |
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257 | due to an initialised variable having the wrong value. |
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258 | - (libev) probe for CLOCK_REALTIME support at runtime as well and |
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259 | fall back to gettimeofday if there is an error, to support older |
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260 | operating systems with newer header files/libraries. |
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261 | - prefer gettimeofday over clock_gettime by default. |
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262 | |
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263 | 3.52 Wed Jan 7 21:46:14 CET 2009 |
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264 | - (libev) fix some issues in the select backend when in fd_set mode. |
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265 | - (libev) due to a thinko, instead of disabling everything but |
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266 | select on the borked OS X platform, everything but select was |
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267 | allowed (reported by Emanuele Giaquinta). |
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268 | - (libev) actually verify that local and remote port are matching in |
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269 | libev's socketpair emulation, which makes denial-of-service |
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270 | attacks harder (but not impossible - it's windows). Make sure |
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271 | it even works under vista, which thinks that getpeer/sockname |
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272 | should return fantasy port numbers. |
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273 | |
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274 | 3.51 Wed Dec 24 23:01:59 CET 2008 |
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275 | - do not cache the arguments passed to callbacks if the refcount |
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276 | indicates that the callback has stolen them. |
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277 | - (libev) try to avoid librt on GNU/Linux. |
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278 | - (libev) check port_getn return value dfferently, might potentially |
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279 | avoid problems. |
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280 | - (libev) fix a bug with stat watchers possibly causing freezes. |
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281 | - (libev) work around OS X 10.5 breaking poll, now select is the |
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282 | only viable choice left on that pile of garbage. |
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283 | - play tester whore: disable some tests that typically fail only |
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284 | on cpan tester machines. |
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285 | |
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286 | 3.49 Wed Nov 19 11:26:53 CET 2008 |
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287 | - fix typos in manpage (Alex Efros). |
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288 | - increase timing even further, for the ever-overloaded cpan-tester |
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289 | machines, and to the detriment of everybody else who wants a fast |
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290 | make test. |
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291 | - possible 5.6 compatibility. |
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292 | - (libev) use inotify even on buggy kernels, but don't rely on it. |
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293 | - (libev) use inotify only as an added hint on network filesystems. |
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294 | |
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295 | 3.48 Thu Oct 30 09:09:48 CET 2008 |
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296 | - (libev) use a generation counter to detect spurious epoll events |
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297 | and recreate the kernel in such a case (sorry, it's slow, but |
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298 | I didn't design epoll...). |
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299 | - (libev) optimise away an EPOLL_CTL_ADD/MOD combo in the epoll |
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300 | backend in some cases. |
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301 | - (libev) use memset to initialise most arrays now and do away |
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302 | with the init functions. |
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303 | - speed up event callback invocation further (~15%), by |
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304 | not creating the object reference each time. |
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305 | - EV::sleep was documented, but not implemented. fun. |
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306 | |
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307 | 3.45 Tue Oct 21 22:20:39 CEST 2008 |
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308 | - (libev) disable inotify usage on linux <2.6.25 (kernel bug). |
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309 | - (libev) ev_embed will now automatically follow fork. |
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310 | - (libev) ev_once will now pass both io and timeout events to |
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311 | the callback when both happen concurrently, instead of giving |
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312 | one precedence. |
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313 | - install C library documentation as EV::libev manpage (sorry, oesi). |
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314 | - (libev) fix a minor performance bug in ev_stat handling. |
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315 | |
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316 | 3.44 Mon Sep 29 05:16:31 CEST 2008 |
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317 | - (libev) add EV::now_update and $loop->now_update. |
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318 | |
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319 | 3.431 Sun Jul 13 00:19:02 CEST 2008 |
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320 | - made the EV::embed callback optional again. reported by |
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321 | Vladimir Timofeev. |
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322 | |
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323 | 3.43 Tue Jul 8 20:56:31 CEST 2008 |
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324 | - disabled warnings in EV.pm, the CHECK issue is now understood |
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325 | and harmless. |
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326 | |
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327 | 3.42 Mon May 26 07:36:46 CEST 2008 |
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328 | - (libev) work around another bug in windows perls and |
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329 | windows itself: failed connects do NOT set read or write |
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330 | flags in select, but this version of libev will. |
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331 | |
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332 | 3.41 Thu May 22 01:39:40 CEST 2008 |
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333 | - (libev) fix many heap-related bugs (timers, periodics). |
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334 | - (libev) improve timing stability of timers and periodics. |
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335 | - expose ev_loop_verify to perl code. |
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336 | - clarify documentation for periodic reschedule callbacks. |
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337 | - verify that the passed callback argument is indeed a code |
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338 | reference, for earlier error reporting and a nice calling |
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339 | speed increase (as well as saving memory). |
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340 | |
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341 | 3.4 Tue May 20 21:51:55 CEST 2008 |
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342 | - (libev) work around both a windows bug and a bug in perl's |
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343 | select on windows when not waiting for any file descriptors. |
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344 | - bundle ev.pod into the tarball, just to increase its size |
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345 | (and for the poor internetless person). |
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346 | |
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347 | 3.33 Sun May 18 12:43:04 CEST 2008 |
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348 | - (libev) use numerous enhancements such as a more |
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349 | cache-friendly 4-heap and heap index caching for timers. |
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350 | - remove undocumented ev_timer->at accessor. |
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351 | |
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352 | 3.31 Wed Apr 16 20:48:59 CEST 2008 |
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353 | - (libev) post-last-minute fix for ev_poll.c problem. |
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354 | |
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355 | 3.3 Wed Apr 16 19:04:47 CEST 2008 |
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356 | - (libev) linux eventfd support. |
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357 | - (libev) inline more with C99 compilers. |
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358 | - (libev) work around a number of bugs in valgrind. |
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359 | - (libev) work around broken realloc on openbsd and darwin. |
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360 | - added example to EV::MakeMaker manpage. |
|
|
361 | - add async_pending method. |
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362 | |
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|
363 | 3.2 Wed Apr 2 17:08:16 CEST 2008 |
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364 | - "ported" again to the Microsoft "C" language. |
|
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365 | - relax testsuite timing for the benefit of freebsd users once more. |
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366 | - fix EVAPI's ev_time and ev_sleep macros. |
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367 | - (libev) fix select backend on 64 bit architetcures. |
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368 | - (libev) ev_loop flags are now local to each invocation. |
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369 | |
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370 | 3.1 Sat Mar 8 11:41:14 CET 2008 |
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371 | - add ev_sync_* and ev_fork_* to EVAPI.h. |
|
|
372 | - provide EV::Embed->sweep method. |
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373 | - new watcher type: async (not very useful in perl). |
|
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374 | |
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|
375 | 3.0 Mon Jan 28 13:23:11 CET 2008 |
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376 | - upgrade to libev-3.0. |
|
|
377 | - change child handler to incorporate tracing flag. |
|
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378 | |
|
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379 | 2.01 Mon Dec 31 01:59:19 CET 2007 |
|
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380 | - found a minor problem in the testsuite that is only |
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381 | caught by new Test::Harness versions (reported by Andreas |
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382 | König). |
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383 | |
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384 | 2.0 Sat Dec 22 17:47:03 CET 2007 |
|
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385 | - no longer force kqueue when enabled, enable it |
|
|
386 | on more systems (as its now by default not used on most). |
| 7 | - expose fork watchers. |
387 | - expose fork watchers. |
| 8 | - switch to libev's MULTIPLICITY API. |
388 | - switch to libev's MULTIPLICITY API. |
| 9 | - (libev) renamed ev_embed.loop to other. |
389 | - use a slightly different include file name strategy. |
| 10 | - (libev) added exported Symbol tables. |
390 | - get rid of (unused) libevent emulation. |
| 11 | - (libev) undefine member wrapper macros at the end of ev.c. |
391 | - 5% watcher management speedup due to callback optimisation |
|
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392 | when inline closures are used, 5% slowdown due to multiplicity. |
|
|
393 | - very minimal support for dynamic event loops and embed watchers. |
|
|
394 | - fix name of prepare start/stop methods. |
|
|
395 | - create and export EV::sleep and EV::set_*_collect_interval. |
|
|
396 | - fix typos in manpage (Alex Efros). |
| 12 | |
397 | |
| 13 | 1.86 Tue Dec 18 02:36:57 CET 2007 |
398 | 1.86 Tue Dec 18 02:36:57 CET 2007 |
| 14 | - (libev) fix memleak on loop destroy (not relevant for perl). |
|
|
| 15 | - add periodic->at methods. |
399 | - add periodic->at methods. |
| 16 | |
400 | |
| 17 | 1.85 Fri Dec 14 20:32:40 CET 2007 |
401 | 1.85 Fri Dec 14 20:32:40 CET 2007 |
| 18 | - further optimise epoll backend by adding a heuristic that |
402 | - further optimise epoll backend by adding a heuristic that |
| 19 | avoids EPOLL_CTL_DEL calls if possible. |
403 | avoids EPOLL_CTL_DEL calls if possible. |
| 20 | - EV::signal->start was not async-signal safe. |
404 | - EV::signal->start was not async-signal safe. |
| 21 | - (libev) fix some aliasing issues w.r.t. timers and periodics |
|
|
| 22 | (not relevant for perl). |
|
|
| 23 | - optimise start/stop when the fd hasn't changed. |
405 | - optimise start/stop when the fd hasn't changed. |
| 24 | |
406 | |
| 25 | 1.8 Tue Dec 11 22:17:46 CET 2007 |
407 | 1.8 Tue Dec 11 22:17:46 CET 2007 |
| 26 | - API version 3:0. |
408 | - API version 3:0. |
| 27 | - reduced fudge factor to zero for select, poll, epoll |
409 | - reduced fudge factor to zero for select, poll, epoll |
