| 1 | Revision history for Perl extension EV and the embedded libev library |
1 | Revision history for Perl extension EV |
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2 | |
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3 | Changes marked with (libev) are changes in libev, and have more |
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4 | documentation in the libev Changes file. |
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5 | |
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6 | 4.03 Tue Jan 11 14:51:05 CET 2011 |
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7 | - do not avoid the clock_gettime call on GNU/Linux anymore, as EV |
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8 | links against -lpthread anyways - as a result, EV might now take |
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9 | advantage of fast userspace clock_gettime implementations, |
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10 | but also links against -lrt. |
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11 | - (libev) lots of event port bug workarounds. |
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12 | - (libev) officially support files in I/O watchers. |
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13 | - (libev) new function ev_feed_signal. |
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14 | - fix documentation parts still refering to the 3.x API. |
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15 | |
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16 | 4.02 Thu Dec 30 08:27:41 CET 2010 |
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17 | - the revents argument did not stringify correctly, as only the |
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18 | numeric value was updated, while the string value was kept from |
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19 | previous invocations. |
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20 | |
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21 | 4.01 Sun Dec 5 12:42:13 CET 2010 |
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22 | - fully support EV_COMPAT3=0. |
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23 | - default_fork was stupidly defined as inline. |
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24 | - ask cpan to upgrade AnyEvent if < 5.29. |
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25 | - support EV_EXTRA_DEFS during configuration. |
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26 | - support -DEV_NO_LOOPS for snakker build. |
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27 | |
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28 | 4.00 Mon Oct 25 13:30:09 CEST 2010 |
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29 | - many API changes, see the manual. |
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30 | - (libev) lots and lots of bugfixes, see the ev documentation. |
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31 | - fix a bug where inotify usage would parse the same event |
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32 | multiple times, causing various forms of breakage. |
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33 | - greatly reduce stack usage for inotify (8kb to <0.5kb). |
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34 | - expose ev_depth and ev_verify via the XS API. |
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35 | - implement ev_cleanup watchers. |
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36 | - (libev) ev_embed_stop did not correctly stop the watcher. |
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37 | - (libev) disable poll backend on AIX. |
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38 | - (libev) rename EV_TIMEOUT to EV_TIMER. |
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39 | - (libev) add section on accept() problems to the manpage. |
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40 | - (libev) no child watchers on win32. |
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41 | - make code more aliasing compliant, in case perl is ever |
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42 | translated to C. |
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43 | - document the EV::CHECK runtime unavailability. |
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44 | - ported to minix 3.1.7. |
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45 | |
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46 | 3.9 Thu Dec 31 07:59:59 CET 2009 |
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47 | - disable t/07* under automatic testing. |
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48 | - increase t/09* timeouts as netbsd has *horribly* broken |
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49 | select/kevent that *usually* sleep >>0.6s instead of 0.3. |
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50 | - add constants EV::FLAG_NOSIGFD, EV::FLAG_NOINOTIFY and |
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51 | EV::BACKEND_ALL. |
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52 | - (libev) signalfd is no longer used by default. |
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53 | - (libev) backport inotify code to C89. |
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54 | - (libev) inotify file descriptors could leak into child processes. |
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55 | - (libev) ev_stat watchers could keep an errornous extra ref on the loop. |
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56 | - (libev) take advantage of inotify_init1, if available. |
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57 | - (libev) the signal handling pipe wasn't always initialised under windows. |
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58 | - changed minimum glibc requirement from glibc 2.9 to 2.7, for signalfd. |
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59 | - (libev) only replace ev_stat.prev when we detect an actual difference. |
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60 | |
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61 | 3.8 Sun Aug 9 15:30:10 CEST 2009 |
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62 | - implement $loop->signal/signal_ns. |
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63 | - (libev) incompatible change: do not necessarily reset signal |
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64 | handler to SIG_DFL when a sighandler is stopped. |
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65 | - (libev) ev_default_destroy did not properly free or zero some |
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66 | members, potentially causing crashes and memory corruption on |
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67 | repated ev_default_destroy/ev_default_loop calls. |
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68 | - (libev) take advantage of signalfd on GNU/Linux systems. |
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69 | - (libev) document that the signal mask might be in an unspecified |
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70 | state when using libev's signal handling. |
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71 | - (libev) take advantage of some GNU/Linux calls to set |
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72 | cloexec/nonblock on fd creation, to avoid race conditions. |
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73 | - implement internal glue code to interface more efficiently |
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74 | with AnyEvent. |
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75 | |
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76 | 3.7 Fri Jul 17 16:49:16 CEST 2009 |
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77 | - add EV::loop_verify and EV::loop_depth. |
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78 | - use output filehandle for i/o watchers waiting |
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79 | for EV_WRITE, otherwise input filehandle. |
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80 | - use common schmorp.h header. |
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81 | - add EV::Timer->remaining. |
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82 | - allow for subclassing of EV::Loop (see the exciting |
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83 | EV::Loop::Async module for an example). |
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84 | - added EV::invoke_pending and EV::pending_count. |
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85 | |
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86 | - (libev) ev_unloop and ev_loop wrongly used a global variable to |
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87 | exit loops, instead of using a per-loop variable. |
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88 | - (libev) the ev_set_io_collect_interval interpretation has changed. |
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89 | - add new functionality: EV::invoke_pending, EV::pending_count. |
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90 | - add $timer->remaining. |
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91 | - add EV::loop_depth. |
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92 | - (libev) calling unloop in fork/prepare watchers will no longer poll |
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93 | for new events. |
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94 | - (libev) use GetSystemTimeAsFileTime instead of _timeb on windows, |
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95 | for slightly higher accuracy. |
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96 | - (libev) actually 0-initialise struct sigaction when installing |
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97 | signals. |
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98 | |
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99 | 3.6 Tue Apr 28 02:50:37 CEST 2009 |
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100 | - keepalive(0) could decrease the refcount of the loop |
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101 | permanently. |
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102 | - add ev_suspend/ev_resume, also make ev_now_update |
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103 | accessible via the XS API. |
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104 | - most EV::<eventtype> constants were missing and have been |
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105 | added :/. |
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106 | - add EV::VERSION_MAJOR/VERSION_MINOR constants. |
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107 | - (libev) multiple timers becoming ready within an event loop |
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108 | iteration will be invoked in the "correct" order now. |
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109 | - (libev) do not leave the event loop early just because we have |
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110 | no active watchers, fixing a problem when embedding a kqueue |
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111 | loop that has active kernel events but no registered watchers |
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112 | (reported by blacksand blacksand). |
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113 | - (libev) correctly zero the idx values for arrays, so destroying |
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114 | and reinitialising the default loop actually works (patch by |
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115 | Malek Hadj-Ali). |
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116 | - (libev) new EV::CUSTOM revents flag for use by applications. |
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117 | - (libev) add documentation section about priorites. |
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118 | - (libev) add a glossary to the dcoumentation. |
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119 | - (libev) extend the ev_fork description slightly. |
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120 | - (libev) optimize a jump out of call_pending. |
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121 | - t/03_keepalive could fail when there was no actual error. |
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122 | |
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123 | 3.53 Sun Feb 15 02:38:20 CET 2009 |
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124 | - (libev) on win32, the event loop creation could randomly fail |
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125 | due to an initialised variable having the wrong value. |
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126 | - (libev) probe for CLOCK_REALTIME support at runtime as well and |
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127 | fall back to gettimeofday if there is an error, to support older |
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128 | operating systems with newer header files/libraries. |
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129 | - prefer gettimeofday over clock_gettime by default. |
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130 | |
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131 | 3.52 Wed Jan 7 21:46:14 CET 2009 |
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132 | - (libev) fix some issues in the select backend when in fd_set mode. |
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133 | - (libev) due to a thinko, instead of disabling everything but |
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134 | select on the borked OS X platform, everything but select was |
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135 | allowed (reported by Emanuele Giaquinta). |
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136 | - (libev) actually verify that local and remote port are matching in |
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137 | libev's socketpair emulation, which makes denial-of-service |
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138 | attacks harder (but not impossible - it's windows). Make sure |
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139 | it even works under vista, which thinks that getpeer/sockname |
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140 | should return fantasy port numbers. |
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141 | |
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142 | 3.51 Wed Dec 24 23:01:59 CET 2008 |
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143 | - do not cache the arguments passed to callbacks if the refcount |
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144 | indicates that the callback has stolen them. |
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145 | - (libev) try to avoid librt on GNU/Linux. |
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146 | - (libev) check port_getn return value dfferently, might potentially |
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147 | avoid problems. |
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148 | - (libev) fix a bug with stat watchers possibly causing freezes. |
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149 | - (libev) work around OS X 10.5 breaking poll, now select is the |
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150 | only viable choice left on that pile of garbage. |
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151 | - play tester whore: disable some tests that typically fail only |
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152 | on cpan tester machines. |
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153 | |
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154 | 3.49 Wed Nov 19 11:26:53 CET 2008 |
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155 | - fix typos in manpage (Alex Efros). |
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156 | - increase timing even further, for the ever-overloaded cpan-tester |
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157 | machines, and to the detriment of everybody else who wants a fast |
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158 | make test. |
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159 | - possible 5.6 compatibility. |
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160 | - (libev) use inotify even on buggy kernels, but don't rely on it. |
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161 | - (libev) use inotify only as an added hint on network filesystems. |
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162 | |
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163 | 3.48 Thu Oct 30 09:09:48 CET 2008 |
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164 | - (libev) use a generation counter to detect spurious epoll events |
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165 | and recreate the kernel in such a case (sorry, it's slow, but |
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166 | I didn't design epoll...). |
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167 | - (libev) optimise away an EPOLL_CTL_ADD/MOD combo in the epoll |
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168 | backend in some cases. |
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169 | - (libev) use memset to initialise most arrays now and do away |
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170 | with the init functions. |
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171 | - speed up event callback invocation further (~15%), by |
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172 | not creating the object reference each time. |
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173 | - EV::sleep was documented, but not implemented. fun. |
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174 | |
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175 | 3.45 Tue Oct 21 22:20:39 CEST 2008 |
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176 | - (libev) disable inotify usage on linux <2.6.25 (kernel bug). |
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177 | - (libev) ev_embed will now automatically follow fork. |
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178 | - (libev) ev_once will now pass both io and timeout events to |
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179 | the callback when both happen concurrently, instead of giving |
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180 | one precedence. |
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181 | - install C library documentation as EV::libev manpage (sorry, oesi). |
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182 | - (libev) fix a minor performance bug in ev_stat handling. |
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183 | |
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184 | 3.44 Mon Sep 29 05:16:31 CEST 2008 |
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185 | - (libev) add EV::now_update and $loop->now_update. |
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186 | |
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187 | 3.431 Sun Jul 13 00:19:02 CEST 2008 |
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188 | - made the EV::embed callback optional again. reported by |
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189 | Vladimir Timofeev. |
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190 | |
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191 | 3.43 Tue Jul 8 20:56:31 CEST 2008 |
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192 | - disabled warnings in EV.pm, the CHECK issue is now understood |
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193 | and harmless. |
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194 | |
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195 | 3.42 Mon May 26 07:36:46 CEST 2008 |
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196 | - (libev) work around another bug in windows perls and |
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197 | windows itself: failed connects do NOT set read or write |
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198 | flags in select, but this version of libev will. |
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199 | |
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200 | 3.41 Thu May 22 01:39:40 CEST 2008 |
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201 | - (libev) fix many heap-related bugs (timers, periodics). |
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202 | - (libev) improve timing stability of timers and periodics. |
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203 | - expose ev_loop_verify to perl code. |
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204 | - clarify documentation for periodic reschedule callbacks. |
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205 | - verify that the passed callback argument is indeed a code |
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206 | reference, for earlier error reporting and a nice calling |
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207 | speed increase (as well as saving memory). |
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208 | |
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209 | 3.4 Tue May 20 21:51:55 CEST 2008 |
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210 | - (libev) work around both a windows bug and a bug in perl's |
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211 | select on windows when not waiting for any file descriptors. |
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212 | - bundle ev.pod into the tarball, just to increase its size |
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213 | (and for the poor internetless person). |
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214 | |
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215 | 3.33 Sun May 18 12:43:04 CEST 2008 |
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216 | - (libev) use numerous enhancements such as a more |
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217 | cache-friendly 4-heap and heap index caching for timers. |
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218 | - remove undocumented ev_timer->at accessor. |
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219 | |
| 3 | 3.31 Wed Apr 16 20:48:59 CEST 2008 |
220 | 3.31 Wed Apr 16 20:48:59 CEST 2008 |
| 4 | - (libev) post-last-minute fix for ev_poll.c problem. |
221 | - (libev) post-last-minute fix for ev_poll.c problem. |
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222 | |
| 6 | 3.3 Wed Apr 16 19:04:47 CEST 2008 |
223 | 3.3 Wed Apr 16 19:04:47 CEST 2008 |
