| 1 | Revision history for Perl extension Coro. |
1 | Revision history for Perl extension Coro. |
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2 | |
| 3 | TODO: better (earlier) error messages on broken transfer's |
3 | TODO: should explore PerlIO::via::CoroCede and PerlIO::via::CoroAIO. |
| 4 | TODO: destroy gets only called on cancel: fix(?) |
4 | TODO: maybe implement a default message channel, very much like Erlang |
| 5 | TODO: fast reloads in cf cause segfaults (coro_state_free->destroy->crash) |
5 | (which is cool in a lot of important aspects (failures!), |
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6 | but very lacking in others (higher level ipc)). |
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7 | |
| 7 | 3.4 |
8 | 4.35 |
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9 | - "bt" debug command now displays any exceptions |
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10 | from longmess and also skips the innermost |
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11 | stackframes, giving more useufl output. |
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12 | - allow backtraces in coroutines blocked in Coro::EV, |
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13 | at a <1% speed hit. |
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14 | - handle localising of $SIG{__WARN__} and __DIE__ |
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15 | properly (with a proepr amount of dirty hacking). |
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16 | |
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17 | 4.34 Sat Dec 22 17:49:53 CET 2007 |
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18 | - upgrade to EV version 2.0 API. |
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19 | |
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20 | 4.33 Mon Dec 17 08:36:12 CET 2007 |
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21 | - make Coro::AIO etc. loadable in the absence of EV. |
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22 | |
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23 | 4.32 Mon Dec 17 07:46:02 CET 2007 |
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24 | - majorly improved Coro::Handle's performance with Coro::EV. |
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25 | - implemented the until now mythical Coro::BDB module. |
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26 | - specialcase EV in Coro::AIO and Coro::BDB for extra speed. |
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27 | |
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28 | 4.31 Wed Dec 5 12:32:39 CET 2007 |
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29 | - remove warn statement form Coro::Util. |
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30 | |
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31 | 4.3 Tue Dec 4 20:33:14 CET 2007 |
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32 | - calls to the idle function could cause stack corruption |
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33 | when the stack changed. |
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34 | - do no longer rely on the presence of EV::DNS if EV is used |
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35 | (because it is gone), but instead take avdantage of EV::ADNS |
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36 | if available. |
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37 | - add ($) prototypes to all functions in Coro::Storable. |
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38 | - use a conventional (safer) idle callback in Coro::EV. |
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39 | - do accept quickly in Coro::Debug to avoid endless loops. |
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40 | |
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41 | 4.22 Fri Nov 30 16:04:04 CET 2007 |
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42 | - really use optimised versions for Event and EV in Coro::Util |
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43 | and Coro::Handle. |
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44 | |
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45 | 4.21 Sun Nov 25 10:48:59 CET 2007 |
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46 | - fix a spurious memory read. |
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47 | - Coro::EV no longer keeps the eventloop "alive". |
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48 | |
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49 | 4.2 Fri Nov 9 20:47:05 CET 2007 |
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50 | - enable/disable tracing from a new coroutine, not a pooled one. |
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51 | - fix a memleak in Coro::Event. |
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52 | - removed killall call from fork_eval. |
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53 | - made sure store_fd is already loaded so that fork_eval |
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54 | does not have to parse autoload in each subprocess. |
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55 | - only use assembly method if -O switch is in $Config{optimize}. |
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56 | - add (optional) Coro::EV module, so far the best event loop module |
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57 | directly supported by Coro. |
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58 | - if the event model is EV, use EV::DNS to resolve |
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59 | stuff in Coro::Util. |
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60 | - don't get confused by multiple event notifications in Coro::Handle. |
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61 | - initial support for EV (libevent interface). |
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62 | - require Event and EV using configure_requires, to force their existance. |
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63 | |
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64 | 4.13 Wed Oct 24 07:26:45 CEST 2007 |
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65 | - add Coro::Storable::blocking_thaw. |
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66 | - use a vastly more complicated technique to localise |
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67 | $SIG{__WARN/DIE__} that also works on perls <= 5.8.8. |
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68 | - use a coroutine for the idle callback Coro::Event, |
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69 | instead of running Event in the current coroutine context. |
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70 | This also catches recursive invocations. |
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71 | - actually report fork errors in gethostbyname and inet_aton. |
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72 | |
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73 | 4.11 Thu Oct 11 02:40:24 CEST 2007 |
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74 | - port to threaded perls. |
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75 | |
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76 | 4.1 Thu Oct 11 02:38:16 CEST 2007 |
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77 | - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now |
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78 | be local to each coro (see Coro::State). |
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79 | - incompatible change: for very deep reasons, cede and cede_notself |
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80 | cannot return anything, so nothing will be returned. |
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81 | - possibly bring back 5.10 compatibility (untested). |
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82 | - work around stupid (and wrong) warning on 5.10 :(. |
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83 | - overlay the saved state over the context stack. This saves |
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84 | a few hundred bytes per coroutine on average and also |
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85 | speeds up context switching a bit. |
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86 | - further tune default stack sizes. |
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87 | - (more) correctly calculate stack usage in coro_rss. |
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88 | - Coro::Storable::blocking_* did not properly lock |
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89 | resulting in races between coroutines. |
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90 | - added Coro::Storable::guard. |
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91 | - stopping to trace a coroutine could destroy the cctx of |
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92 | an unrelated coroutine. |
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93 | - explain the relationship between Perl and C coroutines in |
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94 | more detail in Coro::State. |
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95 | - Coro::Util::inet_aton did not short-circuit dotted quad forms, |
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96 | causing a fork per resolve. This also affected Coro::Socket. |
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97 | - switch to a separate stack in $coro->call/eval to avoid |
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98 | invalidating pointers. |
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99 | |
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100 | 4.03 Sat Oct 6 21:24:00 CEST 2007 |
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101 | - added Coro::throw method. |
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102 | - minor code cleanups. |
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103 | |
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104 | 4.02 Sat Oct 6 02:36:47 CEST 2007 |
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105 | - fix a very minor per-coroutine memleak (a single codereference). |
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106 | - fixed a bug where the currently in-use c context would be freed |
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107 | prematurely (can happen only when programs change the stacksize |
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108 | or use tracing). |
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109 | - tracing can no longer keep a coro alive after it terminated. |
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110 | - do static branch prediction in the common path for gcc. gives |
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111 | about 2-5% speed improvement here. |
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112 | |
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113 | 4.01 Fri Oct 5 22:10:49 CEST 2007 |
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114 | - instead of recreating *a* standard output handle we simply |
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115 | use STDOUT, which is faster and hopefully more robust. |
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116 | |
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117 | 4.0 Fri Oct 5 12:56:00 CEST 2007 |
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118 | - incompatibly changed Coro::Storable::freeze. |
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119 | - major new feature: added Coro::Debug, for interactive coroutine |
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120 | debugging, tracing and much more. |
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121 | - major bug fix: unbelievable, but true: $_, $/ and many other |
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122 | "saved" variables actually weren't being saved. This has been fixed, |
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123 | of course, while increasing performance while losing all the save |
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124 | flags. |
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125 | - save flags are gone, and all the api functions dealing with them. |
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126 | - added Coro::Semaphore::adjust. |
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127 | - added Coro::Util::fork_eval. |
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128 | - added Coro::Storable::{nfreeze,blocking_{freeze,nfreeze}}. |
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129 | - added Coro::killall. |
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130 | - reduce initial stack sizes to allow for "micro-coroutines". |
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131 | - better async_pool resource management, moved parts of async_pool |
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132 | handling to XS (major speed improvement). |
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133 | - actually croak before modifying important data structures. |
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134 | - refuse to transfer while compiling. |
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135 | - possibly support eval EXPR better now. |
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136 | - enable assembly per default on linux+bsd x86+amd64. |
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137 | - all internal members were renamed _something for easier subclassing. |
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138 | - many minor tweaks. |
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139 | |
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140 | 3.63 Wed May 16 14:10:06 CEST 2007 |
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141 | - implement handcoded assembly for x86/amd64 SVR ABI. |
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142 | |
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143 | 3.62 Fri Apr 27 21:36:06 CEST 2007 |
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144 | - upgrade libcoro (which might set unwind info correctly). |
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145 | - change default on linux to setjmp/longjmp. |
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146 | |
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147 | 3.61 Thu Apr 19 12:36:18 CEST 2007 |
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148 | - Coro::Storable caused an endless loop when thawing invalid |
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149 | pst's sometimes. |
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150 | - use a Semaphore in Coro::Storable, as Storable doesn't |
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151 | seem to be reentrant (although it is documented to |
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152 | be threadsafe...). |
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153 | - fix Coro::Signal to bring back the original unreliable |
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154 | but stateful semantics. |
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155 | - fixed a lot of typos in Coro.pm (patch submitted by David |
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156 | Steinbrunner, which applied flawlessly). |
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157 | |
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158 | 3.6 Sat Apr 14 17:13:31 CEST 2007 |
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159 | - added some bugfixes to get eg/myhttpd working again. |
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160 | - added Coro::Storable for often-cede'ing freeze/thaw. |
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161 | - try to do a clean exit when a coroutine calls exit |
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162 | (EXPERIMENTAL). |
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163 | - got rid of indirect call through _coro_init. |
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164 | - updated the partly antique examples in eg/ to |
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165 | work again and be a bit less magic, too. |
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166 | - fixed Coro::Signal semantics to work as documented again. |
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167 | |
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168 | 3.55 Sun Mar 25 01:20:47 CET 2007 |
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169 | - add SAVE_DEFFH to save the default filehandle and enable |
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170 | it by default. |
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171 | - finally move socket-operations from Coro::Socket to Coro::Handle |
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172 | to be able to unblock foreign sockets. |
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173 | - add Coro::State::save_also and guarded_save. |
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174 | - add count accessor to Coro::Semaphore. |
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175 | - add Coro::State::cctx_stacksize. |
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176 | - just for the fun of it, do not rely on implicit context, |
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177 | which can dramatically improve performance, but people |
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178 | using windows-process-emulation perls do not care much about |
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179 | performance. |
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180 | |
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181 | 3.51 Sun Mar 4 14:18:04 CET 2007 |
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182 | - fixed a problem when you weakened references to Coro::State's |
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183 | (patch by Yuval Kogman). |
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184 | |
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185 | 3.501 Wed Feb 28 12:44:07 CET 2007 |
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186 | - rename some global symbols as macosx from hell redefines |
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187 | them without asking. |
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188 | |
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189 | 3.5 Tue Feb 13 20:22:53 CET 2007 |
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190 | - do AnyEvent model detection earlier, avoiding problems |
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191 | caused by first using AnyEvent and later Coro::Event. |
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192 | - implement and document Coro::Event event objects. |
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193 | - fix a potential problem in Coro::Event causing crashes. |
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194 | - initialise PL_comppad when creating a new coroutine, |
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195 | avoids crashes on early coro destruction. |
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196 | |
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197 | 3.41 Mon Jan 22 19:19:49 CET 2007 |
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198 | - readline on Coro::Handle did not support undefined $/, |
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199 | nor did it deliver partial lines on EOF or error. |
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200 | - implement malloc fallback for stack allocation because |
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201 | stupid broken idiotic OSX has a stupid broken |
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202 | idiotic fits-the-whole-os mmap "implementation" and |
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203 | my dick feels longer if Coro is portable even to |
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204 | obsolete platforms. |
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205 | |
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206 | 3.4 Fri Jan 19 21:52:54 CET 2007 |
| 8 | - remove t/09_timer.t, as it isn't really testing much |
207 | - remove t/09_timer.t, as it isn't really testing much |
| 9 | but was rather flaky in practise. |
208 | but was rather flaky in practise. |
| 10 | - async_pool coro would keep arguments and callback alive until |
209 | - async_pool coro would keep arguments and callback alive until |
| 11 | it was reused. |
210 | it was reused. |
| 12 | - cancellation of a coroutine could cause spurious idle calls |
211 | - cancellation of a coroutine could cause spurious idle calls |
