| 1 | Revision history for Perl extension Coro. |
1 | Revision history for Perl extension Coro. |
| 2 | |
2 | |
| 3 | TODO: should explore PerlIO::via::CoroCede and PerlIO::via::CoroAIO. |
3 | TODO: should explore PerlIO::coroaio (perl leaks like hell). |
| 4 | TODO: maybe implement a default message channel, very much like Erlang's |
4 | TODO: channel->maxsize(newsize)? |
| 5 | actor model (which is cool in a lot of important aspects (failures!), |
5 | TODO: __GCC_HAVE_DWARF2_CFI_ASM |
| 6 | but very lacking in others (higher level ipc)). |
6 | TODO: swap_sv, maybe add scope_swap_sv? |
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7 | TODO: croak when async_pool tries to run canceled thread? |
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8 | |
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9 | - since various broken or deficient patches float around |
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10 | to work around the vtbl API breakage in perl, let's provide |
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11 | out own workaround, which seems to be much less invasive |
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12 | and more compatible than the approaches seen so far. YMMV. |
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13 | - work around assertion failure in perl_destruct on 5.24 |
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14 | (analyzed by Dave Mitchell). |
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15 | |
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16 | 6.5 Wed Jun 22 22:23:50 CEST 2016 |
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17 | - swap_sv swapping order was not symmetrical, causing |
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18 | wrong swaps when swap_sv was used multiple times on the |
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19 | same sv in the same thread. |
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20 | - swap_sv calls can now be undone by calling it again |
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21 | with the same variables. |
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22 | - swap_sv calls will now be undone in async_pool threads. |
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23 | - split Coro::Semaphore::up/adjust into separate xs functions |
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24 | for better error reporting, at slight codesize increase. |
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25 | - (libcoro) arm assembly support, please test and report. |
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26 | - adjust to PL_savestack changes in perl 5.24 (adapted from |
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27 | the debian patch, which unfortunately gets it wrong). |
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28 | |
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29 | 6.49 Sat Oct 17 01:40:12 CEST 2015 |
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30 | - throwing an exception to a thread waiting in |
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31 | Coro::Handle using Coro::EV did not stop the watchers, |
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32 | causing the next call to fail (testcase by Martin Pritchard). |
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33 | - bump minimum perl version to 5.10. |
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34 | |
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35 | 6.48 Sun Oct 4 19:03:51 CEST 2015 |
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36 | - fix memory leak when Coro::Handle uses Coro::EV internally |
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37 | (testcase by Sten Sten). |
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38 | - update code to libev 4 API (internally, Coro still used the |
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39 | version 3 API calls). |
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40 | - remove unused hv_sig. |
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41 | |
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42 | 6.47 Sat Jul 11 03:58:20 CEST 2015 |
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43 | - swap_svs - NVs can be in the SV head beginning with 5.20. |
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44 | |
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45 | 6.46 Tue Jun 30 14:36:30 CEST 2015 |
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46 | - restore portability to perls with windows fork emulation |
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47 | (patch by Petr Písař). |
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48 | |
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49 | 6.45 Tue Jun 30 01:40:08 CEST 2015 |
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50 | - restore portability to perl 5.16 and below. |
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51 | |
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52 | 6.44 Tue Jun 30 00:41:54 CEST 2015 |
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53 | - avoid segfaulting (or worse) when tracing a canceled thread. |
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54 | - the Event module silently broke it's public hook API, causing |
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55 | failures on perls compiled with -Duselongdouble. Requiring |
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56 | the latest version of Event because I don't know which release |
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57 | changed this (it's not mentioned in the ChangeLog). |
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58 | - allow xs level enterleave hooks via CoroAPI. |
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59 | |
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60 | 6.43 Thu Jun 4 15:38:14 CEST 2015 |
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61 | - use stability canary. |
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62 | - port to stableperl-5.22.0-1.001. |
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63 | - update libecb. |
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64 | |
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65 | 6.42 Wed Feb 11 20:29:52 CET 2015 |
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66 | - Coro::SemaphoreSet->try did not actually work (analyzed by |
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67 | SATO Kentaro). |
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68 | - upgrade libecb to be C11 compliant. |
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69 | |
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70 | 6.41 Sat Sep 6 22:08:46 CEST 2014 |
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71 | - restore portability to perl 5.8.x. |
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72 | - give new Coro's a valid GvHV(PL_hintgv) - this is slow and takes |
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73 | up some memory, but fixes "use feature" and similar modules |
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74 | when used inside a Coro. |
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75 | - allow zero as argument to Coro::Channel to mean the same thing |
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76 | as no argument. this works with older versions as well, |
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77 | but wasn't legal until now. |
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78 | - slightly better c header file detection. |
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79 | |
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80 | 6.39 Mon Jun 2 00:00:08 CEST 2014 |
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81 | - work around more incompatible changes in 5.20. |
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82 | |
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83 | 6.38 Sun Jun 1 21:54:23 CEST 2014 |
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84 | - check that perl slots actually have enough space to hold |
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85 | interpreter variables. |
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86 | - untested port to perl 5.19 (64 bit tmps indices) (reported |
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87 | by Andreas König). |
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88 | - croak when cancel is called without a thread context. |
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89 | |
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90 | 6.37 Tue Mar 4 13:27:33 CET 2014 |
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91 | - *sigh*, removed leftover debugging code from debugging a |
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92 | perl bug, of all things. |
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93 | |
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94 | 6.36 Tue Mar 4 07:11:59 CET 2014 |
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95 | - semaphores would not clear the destroy hook when interrupted |
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96 | by ->throw, causing segfaults or worse. |
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97 | - ->throw on a thread waiting for a semaphore did not acquire |
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98 | the semaphore, but also didn't wake up other waiters, |
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99 | possibly causing a deadlock. |
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100 | - "FATAL: $Coro::IDLE blocked itself" will now use Carp::confess |
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101 | to report a full stacktrace, which should help find out |
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102 | where the actual call is. |
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103 | - "atomically" destroy data in slf_destroy, because it is |
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104 | the right thing to do, just in case. |
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105 | - disable ecb.h libm dependency, to compile on ancient systems |
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106 | or under adverse conditions. |
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107 | |
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108 | 6.33 Mon Nov 18 11:26:27 CET 2013 |
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109 | - do not crash when freeing padlists with holes (in 5.18). |
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110 | - tentative SVt_BIND 5.19 port/fix. |
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111 | |
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112 | 6.32 Tue Nov 5 15:35:35 CET 2013 |
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113 | - use a new algorithm to derive padlists for perl 5.18. The old |
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114 | one could lead to 0-pointer accesses inside perl (reported |
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115 | by Darin McBride). |
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116 | |
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117 | 6.31 Thu May 9 07:39:48 CEST 2013 |
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118 | - Coro::AIO requests would crash if the thread was ready'd |
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119 | while the request was ongoing. |
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120 | |
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121 | 6.29 Wed May 8 02:55:18 CEST 2013 |
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122 | - when an on_destroy handler destructs the coro currently being |
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123 | destructed a perl scalar could be accessed after being freed, |
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124 | likely causing a crash. |
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125 | |
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126 | 6.28 Wed Mar 6 06:58:02 CET 2013 |
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127 | - clean remnants of existing __DIE__ and __WARN__ handlers so |
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128 | they lose their magic and will not cause segfaults later |
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129 | (testcase by Andrey Sagulin). |
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130 | - improved Coro::State documentation a bit. |
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131 | - Coro::Debug::command now flushes the output. |
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132 | - add hack detection code for x32 abi, because the braindead slugs |
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133 | who designed that made it look exactly like x86_64 without |
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134 | providing proper compile time symbols to test for it. as a result, |
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135 | this detection cannot work reliably. |
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136 | - valgrind stack registering was broken. |
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137 | - do not rely on Time::HiRes anymore in Coro::Debug. |
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138 | |
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139 | 6.23 Fri Dec 7 23:36:37 CET 2012 |
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140 | - use experimental fiber implementation on native windows |
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141 | perls. |
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142 | - use sizeof (void *) as multiplication factor for stack sizes, |
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143 | to accomodate the totally braindamaged microsoft 64 bit "os". |
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144 | - changed verifier host from win2k-ap510-32 to win7-sp516-32/64. |
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145 | activeperl 5.16 crashes when PerlIO_define_layer is called due |
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146 | to some bug in the perl dll, strawberry perl at least passes |
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147 | the testsuite. |
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148 | - implement Coro::Handle->peeraddr/host/port, for slightly |
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149 | improved compatibility with LWP. |
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150 | - implement 5.17 compatibility by almost blindly applying a |
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151 | good-looking patch by Father Chrysostomos. |
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152 | - move stack management functions into libcoro 3. |
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153 | - libcoro version 3 "released". |
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154 | - support magic values as timed_io_once args. |
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155 | - recommend AnyEvent 7+ or EV 4+, also require EV |
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156 | version 4 or newer for Coro::EV. |
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157 | |
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158 | 6.10 Tue Oct 9 01:14:27 CEST 2012 |
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159 | - updated ecb.h, it had a typo that caused it to not compile on many |
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160 | big endian systems (reported by many people). |
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161 | - disable memory fences in ecb.h to improve portability. |
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162 | |
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163 | 6.09 Sat Oct 6 23:25:02 CEST 2012 |
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164 | - Coro::EV I/O watchers were not interruptible by exceptions |
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165 | (Coro::State::throw) (testcase by sten). |
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166 | - ->throw now puts threads into the ready queue, as this seems to |
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167 | be expected by existing code, and code that doesn't cope with spurious |
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168 | wakeups needs fixing anyway. |
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169 | - use fd -1 in mmap. |
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170 | - cast I32 to int in error message printf. |
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171 | - warn about broken so-called "hardened" kernels. |
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172 | |
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173 | 6.08 Fri Apr 13 12:05:47 CEST 2012 |
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174 | - be more aggressive about exiting like perl does - formerly, |
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175 | exiting from the non-main thread would not execute END blocks. |
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176 | |
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177 | 6.07 Fri Nov 11 21:21:48 CET 2011 |
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178 | - work around a bug in PerlIO (setting $SIG{__WARN__} to a PVCV). |
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179 | - update ecb.h. |
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180 | |
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181 | 6.06 Mon Aug 8 23:59:48 CEST 2011 |
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182 | - cygwin unfortunately patches the stack at runtime, so we use the pthreads |
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183 | backend, which is an order of magnitude slower. unfortunately, cygwins |
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184 | pthread implementation isn't very complete either, so allocate the stack |
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185 | twice just to be sure. |
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186 | (note: cygwin also enables mymalloc, which is NOT THREADSAFE ON WINDOWS, |
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187 | in its ithreaded perl - best recompile cygwin and use the 'w'indows |
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188 | backend for much better performance. also disable ithreads for |
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189 | even better performance...). |
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190 | |
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191 | 6.05 Thu Aug 4 21:36:36 CEST 2011 |
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192 | - blush, condvar values would not be propagated from send to recv anymore |
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193 | (reported by Chip Salzenberg). |
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194 | - use exponential increase for the readline buffer length in |
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195 | Coro::Handle. also reduce initial allocation to 1020 from 4096 bytes. |
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196 | |
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197 | 6.04 Wed Aug 3 17:15:45 CEST 2011 |
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198 | - use even more efficient and more compatible condvars for |
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199 | compatibility to AnyEvent 6.x :) |
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200 | - more inconsequential ecb.h updates. |
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201 | |
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202 | 6.03 Wed Aug 3 11:41:30 CEST 2011 |
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203 | - change how Coro patches AnyEvent condvars for compatibility to |
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204 | AnyEvent 6.x. |
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205 | - update ecb.h, to no longer include <pthread.h> in case WinNT.h |
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206 | hasn't been included. |
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207 | |
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208 | 6.02 Wed Jul 13 04:35:19 CEST 2011 |
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209 | - "improve portability to Gentoo" - gentoo manages to put perl variables |
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210 | in memory areas that are farther than 2gb apart, which the jit couldn't |
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211 | handle and barfed. now it's just a bit slower on gentoo and similar |
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212 | systems. |
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213 | |
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214 | 6.01 Sun Jul 3 12:31:14 CEST 2011 |
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215 | - workarounds are good, but the test for whether pthreads are used |
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216 | was not good. this one should be better. |
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217 | - check differently whether gcc generates cfi instructions itself. |
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218 | |
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219 | 6.0 Wed Jun 29 19:43:35 CEST 2011 |
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220 | - INCOMPATIBLE CHANGE: unreferenced coro objects will now be |
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221 | destroyed and cleaned up automatically (e.g. async { schedule }). |
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222 | - implement a JIT compiler for part of the thread switch code, |
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223 | which gives a 50% speed improvement on threaded perls, and |
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224 | about 4% on non-threaded perls (so threaded perls now finally |
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225 | reach about half the speed of non-threaded perls). |
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226 | - slightly modernise Coro::Intro, add section about rouse functions. |
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227 | - avoid DEFSV and ERRSV, giving another 10% improvement |
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228 | in thread switching. |
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229 | - Coro::State->is_destroyed is now called is_zombie. |
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230 | - implement a Coro->safe_cancel method that might fail, but |
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231 | cancels in a "safer" way if it succeeds. |
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232 | - add preliminary support for DEBUGGING perls. |
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233 | - get rid of two hash-accesses when initialising a new Coro - this |
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234 | speeds up coro creation by almost a factor of two. |
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235 | - croak when a coro that is being cancelled tries to block |
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236 | (e.g. while executing a guard block), instead of crashing or |
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237 | deadlocking. |
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238 | - use a more robust and also faster method to identify Coro::State |
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239 | objects - speeds up everything a bit. |
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240 | - implement Coro->cancel in XS for a 20% speed improvement, and to |
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241 | be able to implement mutual cancellation. |
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242 | - speed up context switches by a percent or two by more efficiently |
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243 | allocating context stack entries. |
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244 | - implement Coro->join and Coro->on_destroy in XS for a speedup and |
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245 | a reduction in memory use. |
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246 | - cancelling a coro while it itself is cancelling another coro is |
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247 | now supported and working, instead of triggering an assertion. |
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248 | - be a bit more crash-resistant when calling (buggy) on_destroy |
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249 | callbacks (best effort). |
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250 | - move on_destroy into the slf_frame, to allow extension slf |
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251 | functions to have destructors. |
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252 | - get rid if coro refcounting - simply crash in other interpreter |
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253 | threads by nulling the pointers on clone. |
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254 | - simplify warn/die hook handling when loading Coro - the convoluted |
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255 | logic seems to be no longer neccessary. |
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256 | - use libecb instead of our own home-grown gcc hacks. |
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257 | - document alternatives to Coro::LWP. Please use them :) |
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258 | - work around another mindless idiotic NEEDLESS bug in openbsd/mirbsds |
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259 | sigaltstack. Really. wine suffers from it, erlang suffers from it, |
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260 | and it's known since at least 2006. |
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261 | |
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262 | 5.372 Wed Feb 23 06:14:30 CET 2011 |
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263 | - apparently mingw doesn't provide a working gettimeofday, try to |
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264 | work around that by relying on Time::HiRes (indirectly brought to |
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265 | my attention by Max Maischein). |
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266 | - fix some portability issues when Time::HiRes was used. |
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267 | |
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268 | 5.371 Mon Feb 21 14:36:08 CET 2011 |
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269 | - backport to windows process emulation code again. |
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270 | |
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271 | 5.37 Sat Feb 19 07:49:44 CET 2011 |
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272 | - add a big "Coro thread life cycle" section to "man Coro". |
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273 | - try a tentative workaround against the breakage that 5.13 has |
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274 | introduced without depreciation period. sigh. |
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275 | - no longer use Time::HiRes if gettimeofday is available, which |
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276 | saves quite a lot of memory. |
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277 | |
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278 | 5.36 Sun Feb 13 05:33:41 CET 2011 |
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279 | - automatically load Coro::Channel, Coro::RWLock, Coro::Semaphore, |
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280 | Coro::SemaphoreSet, Coro::Signal and Coro::Specific on first "new" |
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281 | method call. |
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282 | - undocument Coro::Timer::sleep and obsolete whole module. |
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283 | - optimise Coro::Timer::timeout memory and cpu usage. |
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284 | - slightly updated Coro::Intro for recent changes. |
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285 | - do not initialise PL_dirty anymore. |
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286 | |
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287 | 5.25 Thu Nov 11 01:08:39 CET 2010 |
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288 | - try a different approach on netbsd - netbsd 5 finally has marginally |
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289 | working pthreads, but still broken ucontext/sigaltstack. |
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290 | - openbsd 4.8 finally got their act together, Coro works out of the box |
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291 | with asm, setjmp and pthreads (no change, just informational). |
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292 | |
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293 | 5.24 Sat Oct 23 11:27:12 CEST 2010 |
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294 | - port to the EV 4.0 API. |
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295 | - work around bugs in mingw32, making strawberry perl work |
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296 | out of the box. |
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297 | - correctly modify Coro::AIO function prototypes |
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298 | so that they reflect the "no optional parameters" rule. |
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299 | - "ported" libcoro to C++. |
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300 | |
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301 | 5.23 Mon May 17 18:50:42 CEST 2010 |
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302 | - be more resistant to ordering changes when initialising |
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303 | Coro::AnyEvent, Coro::EV and Coro::Event (reported by Matthias |
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304 | Waldorf). |
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305 | - document that perl 5.12 deliberately removed support for cloning. |
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306 | |
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307 | 5.22 Wed Apr 14 03:55:35 CEST 2010 |
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308 | - correctly return udnef on errors in Coro::Handle::read/write |
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309 | (testcase by Marc Mims). |
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310 | - convert Coro::Util into a "perl compatibility wrapper" - the functions |
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311 | are less useful now, but are drop-in replacements for existing |
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312 | functions, listing better alternatives in the documentation. This also |
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313 | fixes a bug in Coro::LWP which naively substituted Socket::inet_aton |
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314 | with Coro::Util::inet_aton. |
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315 | - do not override $Coro::idle unconditionally in Coro.pm, as other |
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316 | modules could have provided their own idle coro already |
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317 | (for exmaple, Coro::AnyEvent). |
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318 | - fix Coro::Util::gethost* functions. |
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319 | - Coro::Timer corretcly exports it's symbols (reported by Hideki Yamamura). |
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320 | |
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321 | 5.21 Wed Dec 16 07:19:51 CET 2009 |
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322 | - automatically load Coro::AnyEvent when AnyEvent and Coro are used |
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323 | together. |
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324 | - add some examples on how to combine other event loops with Coro in |
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325 | Coro::AnyEvent, and how to run it (and not to block). Seems to be |
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326 | the most common source of confusion. |
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327 | - try to catch people naively blocking in an event callback. |
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328 | - work around the perl filehandle bug issue in conjunction with |
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329 | older common::sense (as indirectly pointed out by ZSystem). |
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330 | - clarify the "not from signal handlers" section. |
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331 | |
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332 | 5.2 Sun Oct 4 14:54:24 CEST 2009 |
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333 | - Coro::Storable destroyed the prototypes of the functions it wrapped. |
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334 | - export rouse_cb and rouse_wait by default now. |
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335 | - fix various prototype mismatches in Coro::AnyEvent and Coro::Handle. |
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336 | - new method $state->swap_sv. |
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337 | - added section on "windows process emulation" to the manpage, |
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338 | after a not-so-fruitful (nor-friendly) "discussion" with chip |
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339 | salzenberg (discussion implies arguments, but his only arguments |
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340 | were ad-hominems, one wonders why he started it in the first |
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341 | place). I hope this explains it well enough for him to understand, |
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342 | and maybe well enough for others to understand. |
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343 | - use common::sense everywhere now. |
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344 | - idle callbacks are no longer supported, use idle coros instead. |
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345 | - print a thread listing when a deadlock is detected. |
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346 | |
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347 | 5.17 Sat Aug 22 23:09:31 CEST 2009 |
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348 | - work around a bug in the perl debugger causing crashes |
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349 | when running under the debugger by marking _pool_handler as nodebug. |
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350 | - speed up Coro::async considerably. |
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351 | - try some hacks to get netbsd to work "more often" - their broken |
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352 | setjmp/longjmp, ucontext *and* phtreads are really hard on Coro. |
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353 | - convert Coro to AE 5.0 API. |
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354 | |
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355 | 5.162 Tue Jul 28 04:04:03 CEST 2009 |
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356 | - perl 5.8.2 is now minimum requirement. |
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357 | - skip t/19_handle.t on broken windows perls. |
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358 | |
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359 | 5.161 Wed Jul 22 04:47:38 CEST 2009 |
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360 | - Coro::AnyEvent::poll could have a different prototype when EV was |
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361 | used as backend (analyzed by Tatsuhiko Miyagawa). |
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362 | - Coro::AnyEvent errornously initialised the event loop when loaded, |
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363 | not on demand. |
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364 | - try to workaround rare */t/01_unblock.t failures. |
|
|
365 | |
|
|
366 | 5.16 Tue Jul 21 01:44:37 CEST 2009 |
|
|
367 | - Coro::AnyEvent failed to hook into the event loop |
|
|
368 | when no threads had been readied between detecting |
|
|
369 | the event loop and actually running it. |
|
|
370 | - considerably speed up Coro::Select by taking avdantage |
|
|
371 | of AnyEvent > 4.8 and some other optimisations. |
|
|
372 | - implement paragraph readline mode in Coro::Handle |
|
|
373 | (based on patches by Zsbán Ambrus). |
|
|
374 | - replace WSAEINPROGRESS by WSAEWOULDBLOCK (reported |
|
|
375 | and analyzed by Yasuhiro MATSUMOTO). |
|
|
376 | - clarified libcoro license and copyright. |
|
|
377 | - someone stole my EXTRA_META!!! |
|
|
378 | - implement Coro::Select::patch_pp_sselect and it's brother, |
|
|
379 | for hardcode select overriding. |
|
|
380 | |
|
|
381 | 5.151 Mon Jul 6 05:41:57 CEST 2009 |
|
|
382 | - backport to windows process emulation code again (patch by |
|
|
383 | Yasuhiro MATSUMOTO). |
|
|
384 | - slightly update Coro::MakeMaker. |
|
|
385 | |
|
|
386 | 5.15 Tue Jun 30 10:28:06 CEST 2009 |
|
|
387 | - deprecate Coro::Socket, document how to get ipv6 support via |
|
|
388 | AnyEvent::Socket instead. |
|
|
389 | - implement signal->wait ($cb) interface, similar to semaphores. |
|
|
390 | - work around SvOK not supporting getmagic, so we have to getmagic |
|
|
391 | to test for undef :/ (reported by Matthias Waldorf). |
|
|
392 | - load Coro::AnyEvent in all modules using AnyEvent. |
|
|
393 | - work around perl corrupting our internal data structures, |
|
|
394 | reported by Tokuhiro Matsuno. |
|
|
395 | - enable per-coroutine real and cpu time gathering |
|
|
396 | (Coro::State::enable_times). |
|
|
397 | |
|
|
398 | 5.14 Wed Jun 24 01:37:48 CEST 2009 |
|
|
399 | - provide explicit functions to "cede" to the event loop in Coro::AnyEvent, |
|
|
400 | as this seems to have been a difficult concept (poll, sleep, idle, |
|
|
401 | idle_upto). |
|
|
402 | - add Coro::AnyEvent::readable/writable functions. |
|
|
403 | - clarify Coro::EV/Event/AnyEvent manpages. |
|
|
404 | - free per-thread global scalars in the thread calling ->cancel, to |
|
|
405 | avoid crashes when $_, $@ etc., are magical but some of those |
|
|
406 | had already been freed. |
|
|
407 | - "unexperimentalise" the callback interface for Coro::Semaphore. |
|
|
408 | - speed up ready queue management/context switching by using a linked |
|
|
409 | list instead of an array (~5-10%). |
|
|
410 | - implement "watch" command in Coro::Debug shells. |
|
|
411 | - for fun, implement time-slicing as an example in the manpage. |
|
|
412 | - if AnyEvent detects EV or Event, but we don't have Coro::EV or |
|
|
413 | Coro::Event, use the normal AnyEvent handling instead of dieing |
|
|
414 | (the same is true for Coro::Handle). |
|
|
415 | - properly document Coro::EV::timed_io_once. |
|
|
416 | - avoid unneccessary ->cancel calls in Coro::Handle. |
|
|
417 | - maybe make it work on mingw32 with win32 backend |
|
|
418 | (based on patch by Yasuhiro Matsumoto). |
|
|
419 | |
|
|
420 | 5.132 Fri May 29 09:00:39 CEST 2009 |
|
|
421 | - do not keep a reference to the argument itself in |
|
|
422 | Coro::Semaphore::guard, as it could change later. |
|
|
423 | - support SO_RCVBUF/SO_SNDBUF nonstandard Coro::Socket options, |
|
|
424 | should support a prepare callback. |
|
|
425 | |
|
|
426 | 5.131 Mon Mar 16 23:20:37 CET 2009 |
|
|
427 | - implement and document Coro->suspend, Coro->resume. |
|
|
428 | - fix Coro::Select implementation to not (often) close |
|
|
429 | the passed file descriptors (testcase provided by pippijn). |
|
|
430 | |
|
|
431 | 5.13 Mon Dec 15 21:51:42 CET 2008 |
|
|
432 | - EXPERIMENTAL: implement dynamic winds (on_enter/on_leave). |
|
|
433 | - don't set diehook to C<undef> but instead to NULL, to avoid |
|
|
434 | spurious warnings. |
|
|
435 | - fix a lot of bugs in Coro::SemaphoreSet. |
|
|
436 | - Coro::SemaphoreSet will less often create a semaphore needlessly. |
|
|
437 | - add Coro::SemaphoreSet::count and wait methods. |
|
|
438 | - take advantage of the new Guard module. |
|
|
439 | - deprecate Coro::guard. |
|
|
440 | - try to fix the dreaded 01_unblock tests once more. I hate it when |
|
|
441 | testsuites need more fixing than the code they are supposed to test. |
|
|
442 | - croak in more cases when a required callback isn't resolvable. |
|
|
443 | - fix some minor issues in Coro::State->call/eval. |
|
|
444 | - use current coroutine context instead of a temporary one |
|
|
445 | when temporarily switching to another coroutine. |
|
|
446 | - do not call C-level on_destroy handlers during global destruction, |
|
|
447 | to avoid needless segfaults. |
|
|
448 | |
|
|
449 | 5.12 Sun Dec 7 13:30:38 CET 2008 |
|
|
450 | - add default config for MirOS, which seems to be a bug-to-bug |
|
|
451 | compatible fork of openbsd ("world domination by releasing |
|
|
452 | openbsd cvs before the openbsd folks do it" or so :). |
|
|
453 | - free_padlist did destroy the names pad, not good, but didn't |
|
|
454 | seem to bother perl - this could fix issues such as eval "" |
|
|
455 | inside a function called from multiple coroutines. |
|
|
456 | - use a different method to detect destruction time. |
|
|
457 | - be more careful when freeing padlists just before global |
|
|
458 | destruction. |
|
|
459 | - fixed and expanded the call/cc example. |
|
|
460 | - renamed _terminate to _coro_run. |
|
|
461 | - new method Coro::Channel->shutdown. |
|
|
462 | - try pthreads on openbsd <4.4 (broken sigaltstack, will |
|
|
463 | pthreads fare better?). |
|
|
464 | - be less picky about destroying "a" running coroutine. |
|
|
465 | |
|
|
466 | 5.11 Tue Nov 25 21:49:05 CET 2008 |
|
|
467 | - DEBUGGING in 5.10.0 is a mess: it constantly flags perfectly |
|
|
468 | working code with failed assertions, introducing more bugs than |
|
|
469 | it fixes, requiring elaborate workarounds :( |
|
|
470 | |
|
|
471 | 5.1 Mon Nov 24 08:54:59 CET 2008 |
|
|
472 | - wrote a small introductory tutorial - Coro::Intro. |
|
|
473 | - convert Coro::Timer, Coro::Select and Coro::Util to rouse API. |
|
|
474 | - Coro::Select did errornously dup the file descriptors |
|
|
475 | and didn't work with all AnyEvent backends. |
|
|
476 | - Coro::Select wasn't imported correctly form Coro::LWP, causing blocking |
|
|
477 | LWP data transfers. |
|
|
478 | - disassociate c contexts from coro objects - this is agruably more |
|
|
479 | correct, but mostly allows sharing of cctxs between coro and state |
|
|
480 | objects, for added memory savings and speed increases. |
|
|
481 | - bumped $Coro::POOL_RSS up to 32kb by default. |
|
|
482 | - no longer set the optype to OP_CUSTOM, as B::* understandably |
|
|
483 | doesn't like this very much (and we *are* a type of entersub). |
|
|
484 | - implement state cloning, just to prove that call/cc can be done. |
|
|
485 | - automatically load Coro::AnyEvent in Coro::Handle. |
|
|
486 | - wrap ->cancel calls in eval inside Coro::Handle as EV watchers |
|
|
487 | do not have this method (and don't need it either). |
|
|
488 | - speed up generic anyevent methods in Coro::Handle by using rouse |
|
|
489 | callbacks. |
|
|
490 | - allow coroutines in $Coro::IDLE, speeding up Coro::AnyEvent and |
|
|
491 | others. It also makes the debugger happier, as you can trace |
|
|
492 | through the idle threads now. |
|
|
493 | - add comppad_name* and hints ($^H, %^H) to per-thread variables. |
|
|
494 | - eg/event was pretty broken. |
|
|
495 | - better 5.8.6 compatibility. |
|
|
496 | |
|
|
497 | 5.0 Thu Nov 20 10:35:05 CET 2008 |
|
|
498 | - NEW ARCHITECTURE: use the latest 4.x version if you experience |
|
|
499 | stability issues. |
|
|
500 | - bump API version to 7 - all dependents must be recompiled. |
|
|
501 | - removed timed_* functions - they were not being used anyways |
|
|
502 | and should be replaced by a more generic mechanism - |
|
|
503 | and were annoying to support anyways :) |
|
|
504 | - removed SemaphoreSet's waiter method - use sem method instead. |
|
|
505 | - Coro::Semaphore->adjust didn't correctly wake up enough waiters. |
|
|
506 | - async_pool did free a scalar value twice |
|
|
507 | ("Attempt to unreference..."). |
|
|
508 | - fix a longstanding bug where calling terminate on a coro that |
|
|
509 | was waiting for a semaphore that was just becoming available |
|
|
510 | would cause a deadlock (semaphore would get into a state where |
|
|
511 | it was available but waiters were still blocked). |
|
|
512 | - calling throw on a coroutine that is waiting for a semaphore will |
|
|
513 | no longer make it acquire the semaphore (and thus leak a count). |
|
|
514 | - perl's process emulation is now not even theoretically supported |
|
|
515 | anymore. |
|
|
516 | - new functions Coro::rouse_cb and Coro::rouse_wait for easier |
|
|
517 | conversion of callback-style to blocking-style. |
|
|
518 | - new methods $coro->schedule_to and ->cede_to, to specifically |
|
|
519 | schedule or cede to a specific coroutine. |
|
|
520 | - new function Coro::Semaphore::wait. |
|
|
521 | - use named constants in Coro::Channel (Richard Hundt). |
|
|
522 | - directly patch the entersub opcode calling SLF functions (cede, |
|
|
523 | transfer and so on). this does speed up context switching, but |
|
|
524 | more importanly, it frees us from the hardcoded behaviour of |
|
|
525 | entersub, so we might actually be able to return something from |
|
|
526 | those functions and atcually create new ones. |
|
|
527 | - take advantage of __builtin_frame_address on gcc. |
|
|
528 | - expose THX in coroapi (not sure whether this was a wise decision, |
|
|
529 | as "threaded" perls are running at half speed anyways). |
|
|
530 | - implement execute_slf (schedule-like-function) interface that makes |
|
|
531 | it possible to implement schedule-like-functions in XS. |
|
|
532 | - use new SLF interface to massively speed up Coro::EV by roughly a |
|
|
533 | factor of two. |
|
|
534 | - used new SLF interface to massively speed up Coro::Semaphore by a |
|
|
535 | factor of three. |
|
|
536 | - used new SLF interface to speed up Coro::AIO by roughly a factor of |
|
|
537 | four and reduce its memory usage considerably. |
|
|
538 | - implement Coro::SemaphoreSet purely in terms of Coro::Semaphore, |
|
|
539 | for a nice speedup and vastly more correct behaviour. Also implement |
|
|
540 | a new method "sem" to get at the underlying semaphore object. |
|
|
541 | - implement Coro::Channel in terms of Coro::Semaphore, for a moderate |
|
|
542 | (in comparison) 20-40% speedup. |
|
|
543 | - used new SLF interface to reimplement Coro::Signal gaining |
|
|
544 | some unknown (because I was too lazy), but certain, speedup, and also |
|
|
545 | making signals reliable for the first time. |
|
|
546 | - used new SLF interface and other optimisations to speed up async_pool |
|
|
547 | by a factor of two. It also doesn't rely on perl's exception mechanism |
|
|
548 | to exit anymore. The overhead for terminating an async_pool, coro over |
|
|
549 | a normal async is now very small. |
|
|
550 | - sped up coroutine creation/destruction by 40%. |
|
|
551 | - forgot to include Coro/libcoro/README in the dist for all these years. |
|
|
552 | - work around a freebsd pthreads bug (manual testcancel is required as |
|
|
553 | pthread_cond_wait isn't a cancellation point on freebsd). |
|
|
554 | - use new rouse functions to speed up and simplify Coro::BDB. |
|
|
555 | - make "prefer perl native functions" work with threaded perls. |
|
|
556 | - condense Coro::Debug ps output, hint at v and w flags. |
|
|
557 | - (libcoro) lots of minor cleanups and portability improvements. |
|
|
558 | |
|
|
559 | 4.914 Wed Nov 19 12:54:18 CET 2008 |
|
|
560 | - fix a disastrous bug in the readline optimisation |
|
|
561 | introduced in 4.801. |
|
|
562 | |
|
|
563 | 4.913 Sat Nov 15 07:58:28 CET 2008 |
|
|
564 | - async_pool did free a scalar value twice |
|
|
565 | ("Attempt to unreference..."). |
|
|
566 | |
|
|
567 | 4.912 Thu Nov 13 18:31:23 CET 2008 |
|
|
568 | - minor cleanups. |
|
|
569 | - use much larger stacks on linux and perl < 5.8.8. |
|
|
570 | - Coro::Debug::new_unix_server did not unlink the socket |
|
|
571 | when destroyed. |
|
|
572 | |
|
|
573 | 4.911 Tue Nov 11 04:26:17 CET 2008 |
|
|
574 | - "port" to threaded perls. |
|
|
575 | |
|
|
576 | 4.91 Mon Nov 10 05:36:38 CET 2008 |
|
|
577 | - the ->throw exception object no longer leaks. |
|
|
578 | - creating a new cctx leaked a scopestack entry (memleak). |
|
|
579 | - new coroutines didn't get created with a zero flags field |
|
|
580 | (unknown impact). |
|
|
581 | - calling ->throw on a not-yet-started coroutine should now work |
|
|
582 | instead of being ignored. |
|
|
583 | - ->throw is now supported on Coro::State objects. |
|
|
584 | - clean up cctx creation code a bit. |
|
|
585 | - entersub is actually a UNOP, not a LOGOP (not a bugfix). |
|
|
586 | |
|
|
587 | 4.9 Sat Nov 8 17:45:27 CET 2008 |
|
|
588 | - (libcoro) did not preserve rbp with CORO_ASM (we are getting there). |
|
|
589 | - (libcoro) no longer leak threads in the experimental pthread backend, |
|
|
590 | also speed it up considerably. |
|
|
591 | - (libcoro) do not rely on makecontext passing void *'s unscathed. |
|
|
592 | - fix compiletime dependencies on libcoro in the Makefile. |
|
|
593 | - cctx_count wasn't always updated properly. |
|
|
594 | - Coro::State::cctx_stacksize wasn't applied correctly. |
|
|
595 | - new function Coro::State::cctx_max_idle. |
|
|
596 | - the default max number of idle C contexts is now 4. |
|
|
597 | - (libcoro) try harder to get _setjmp/_longjmp. |
|
|
598 | - (libcoro) cleanup and extend the libcoro API to officially |
|
|
599 | allow the creation of empty source contexts. |
|
|
600 | - very experimental workaround for the totally broken netbsd platform. |
|
|
601 | - tried to hack around openbsd bugs. |
|
|
602 | |
|
|
603 | 4.804 Wed Nov 5 16:36:00 CET 2008 |
|
|
604 | - Coro::Debug::new_unix_server would not create a non-blocking listening |
|
|
605 | socket, sometimes causing freezes. |
|
|
606 | - (libcoro) fix misaligned stack points for setjmp and assembly |
|
|
607 | methods, which can cause crashes on x86/x86_64 with a sufficiently |
|
|
608 | aggressive compiler. |
|
|
609 | - new function: Coro::Debug::new_tcp_server. |
|
|
610 | - move ->throw into the Coro class because it only works on coro objects. |
|
|
611 | |
|
|
612 | 4.803 Mon Nov 3 17:16:12 CET 2008 |
|
|
613 | - (libcoro) use a global asm statement to become independent of gcc |
|
|
614 | otpimisations for CORO_ASM (thanks to pippijn for the idea). |
|
|
615 | - try to workaround yet another broken bsd, this time dragonfly. |
|
|
616 | |
|
|
617 | 4.802 Thu Oct 30 10:56:12 CET 2008 |
|
|
618 | - support -fno-omit-frame-pointer on x86 with the assembly method. |
|
|
619 | - tune 01_unblock.t tests a bit. |
|
|
620 | |
|
|
621 | 4.801 Wed Oct 22 18:33:37 CEST 2008 |
|
|
622 | - improve readline speed for very long "lines". |
|
|
623 | - backport to 5.8.8. |
|
|
624 | |
|
|
625 | 4.8 Thu Oct 2 13:34:40 CEST 2008 |
|
|
626 | - new function Coro::AIO::aio_wait. |
|
|
627 | - Coro.:AIO and Coro::BDB now "use Coro::AnyEvent". |
|
|
628 | - greatly speed up and reduce memory usage of Coro::AIO requests. |
|
|
629 | - implement some other µ-optimisations. |
|
|
630 | |
|
|
631 | 4.749 Mon Sep 29 14:40:12 CEST 2008 |
|
|
632 | - port to slow and broken pseudo-threaded perls. (courtesy pippijn). |
|
|
633 | |
|
|
634 | 4.748 Sat Sep 27 14:03:19 CEST 2008 |
|
|
635 | - implement, but do not document, PerlIO::cede(granularity). |
|
|
636 | - Coro::Storable forgot to wrap Storable::pstore. |
|
|
637 | - work around the multitude of leaks and memory corruption |
|
|
638 | bugs in PerlIO::via by using our own C-level perliol. As a side |
|
|
639 | effect, Coro::Storable is now much, much, much faster. |
|
|
640 | |
|
|
641 | 4.747 Tue Sep 23 01:59:41 CEST 2008 |
|
|
642 | - fix a per-cv memleak (one empty array was leaked per |
|
|
643 | code reference). |
|
|
644 | - avoid a crash in coro->call|rss when the coroutine was already |
|
|
645 | destroyed (most noticably when using Coro::Debug::ps :) |
|
|
646 | - also protect *Storable::FILE. |
|
|
647 | - push up default storable granularity to 20ms. |
|
|
648 | |
|
|
649 | 4.746 Sun Sep 21 03:22:20 CEST 2008 |
|
|
650 | - be more insistent on locking Storable against reentrancy |
|
|
651 | in Coro::Storable. |
|
|
652 | - move swap_def?v and throw to Coro::State, as documented. |
|
|
653 | |
|
|
654 | 4.745 Thu Jul 24 00:14:38 CEST 2008 |
|
|
655 | - remove debugging code related to MgPV_nolen_const, also try to |
|
|
656 | make it compile with perl 5.8.6 (yes, apple apparently loves |
|
|
657 | outdated software). Reported by John S. |
|
|
658 | |
|
|
659 | 4.744 Tue Jul 8 22:06:35 CEST 2008 |
|
|
660 | - correctly provide default DIE/WARN handlers as documented. |
|
|
661 | - also overwrite PL_vtbl_sigelem.svt_clear, even though current |
|
|
662 | implementations inside perl work fine for us. |
|
|
663 | |
|
|
664 | 4.743 Mon Jun 16 00:21:57 CEST 2008 |
|
|
665 | - when using Coro::EV without running EV::loop it could |
|
|
666 | result in busy-waiting for events, this has been fixed. |
|
|
667 | - reduce codesize and improve performance by using EV_DEFAULT_UC. |
|
|
668 | |
|
|
669 | 4.742 Sat May 31 14:10:21 CEST 2008 |
|
|
670 | - implement a workaround for (some) perl <5.8.8 versions. |
|
|
671 | - require EV 3.3+. |
|
|
672 | |
|
|
673 | 4.741 Fri May 30 23:33:09 CEST 2008 |
|
|
674 | - tell netbsd how utterly broken their imitation of an OS is |
|
|
675 | and refuse to build by default if pthreads are in use. |
|
|
676 | - switch to "s" method on all bsd's by default, as their ucontext |
|
|
677 | stuff seems just too broken. |
|
|
678 | - fix a bug in Coro::Select. |
|
|
679 | |
|
|
680 | 4.74 Thu May 29 20:05:31 CEST 2008 |
|
|
681 | - do not test Coro::LWP for lack of dependencies. |
|
|
682 | - do not test Coro::Select for lack of working perls. |
|
|
683 | |
|
|
684 | 4.73 Thu May 29 2008 |
|
|
685 | - fix a bug in Coro::EV which would cause it to block despite |
|
|
686 | there being runnable coroutines. |
|
|
687 | - sprinkle "no warnings" freely over everything, also suppress |
|
|
688 | warnings for some other modules. |
|
|
689 | - fix typo in WSAEWOULDBLOCK. |
|
|
690 | |
|
|
691 | 4.72 Sun May 25 05:14:36 CEST 2008 |
|
|
692 | - tweak META.yaml a bit, unfortunately, there is no documented way |
|
|
693 | to have optional dependencies with CPAN. doh :( |
|
|
694 | - avoid running some tests on windows because they would fail due to |
|
|
695 | perl bug (broken fork, broken pipes...). |
|
|
696 | - work around perl on windows bugs where perl returns undocumented |
|
|
697 | error codes for sysread, syswrite etc. by taking advantage |
|
|
698 | of AnyEvent's workaround for that problem. |
|
|
699 | - use AnyEvent::Util::fh_nonblocking in Coro::Handle to work around |
|
|
700 | a common perl implementation bug on windows. |
|
|
701 | - use unix domain sockets in testsuite to work around |
|
|
702 | common perl implementation bugs on widows (they are emulated by |
|
|
703 | tcp sockets on windows. ugh.) |
|
|
704 | |
|
|
705 | 4.71 Sat May 24 20:01:27 CEST 2008 |
|
|
706 | - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()"). |
|
|
707 | - take advantage of async name resolution of AnyEvent::Util. |
|
|
708 | - work around brutal inet_aton override in Coro::LWP. |
|
|
709 | - take advantage of the readyhook in Coro::EV, for smoother |
|
|
710 | scheduling. |
|
|
711 | |
|
|
712 | 4.7 Sun May 11 00:32:19 CEST 2008 |
|
|
713 | - completely reworked the Coro manpage. |
|
|
714 | - added Coro::AnyEvent, generic event loop integration. |
|
|
715 | - implement cancel, ready and kill commands in Coro::Debug. |
|
|
716 | - document find_coro in Coro::Debug. |
|
|
717 | - incompatible change: rename has_stack to has_cctx. |
|
|
718 | - Coro::AIO and Coro::BDB no longer force event model detection, |
|
|
719 | use AnyEvent::AIO and AnyEvent::BDB. |
|
|
720 | |
|
|
721 | 4.6 Sat Apr 26 10:05:14 CEST 2008 |
|
|
722 | - INCOMPATIBLE CHANGE: sub/code attributes are no longer supported |
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|
723 | by the Coro module. It was a mistake to have it in the first place. |
|
|
724 | - (experimental) support for activestate perl 5.10 (method "w"). |
|
|
725 | - (experimental) support for strawberry perl (method "a"). |
|
|
726 | - coro_sigelem_set did not return a value although it had to, |
|
|
727 | actual impact unknown. |
|
|
728 | |
|
|
729 | 4.51 Mon Apr 14 13:28:27 CEST 2008 |
|
|
730 | - make it compile again on 5.8. |
|
|
731 | |
|
|
732 | 4.50 Thu Apr 10 09:43:17 CEST 2008 |
|
|
733 | - I did it twice! (see 4.49). |
| 7 | |
734 | |
| 8 | 4.49 Sun Apr 6 21:23:31 CEST 2008 |
735 | 4.49 Sun Apr 6 21:23:31 CEST 2008 |
| 9 | - grr, instead of compiling the recent changes on 5.10 only they |
736 | - grr, instead of compiling the recent changes on 5.10 only they |
| 10 | were compiled on 5.8 only. |
737 | were compiled on 5.8 only. |
| 11 | |
738 | |
| … | |
… | |
| 116 | |
843 | |
| 117 | 4.11 Thu Oct 11 02:40:24 CEST 2007 |
844 | 4.11 Thu Oct 11 02:40:24 CEST 2007 |
| 118 | - port to threaded perls. |
845 | - port to threaded perls. |
| 119 | |
846 | |
| 120 | 4.1 Thu Oct 11 02:38:16 CEST 2007 |
847 | 4.1 Thu Oct 11 02:38:16 CEST 2007 |
| 121 | - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now |
848 | - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now |
| 122 | be local to each coro (see Coro::State). |
849 | be local to each coro (see Coro::State). |
| 123 | - incompatible change: for very deep reasons, cede and cede_notself |
850 | - incompatible change: for very deep reasons, cede and cede_notself |
| 124 | cannot return anything, so nothing will be returned. |
851 | cannot return anything, so nothing will be returned. |
| 125 | - possibly bring back 5.10 compatibility (untested). |
852 | - possibly bring back 5.10 compatibility (untested). |
| 126 | - work around stupid (and wrong) warning on 5.10 :(. |
853 | - work around stupid (and wrong) warning on 5.10 :(. |
| … | |
… | |
| 198 | but stateful semantics. |
925 | but stateful semantics. |
| 199 | - fixed a lot of typos in Coro.pm (patch submitted by David |
926 | - fixed a lot of typos in Coro.pm (patch submitted by David |
| 200 | Steinbrunner, which applied flawlessly). |
927 | Steinbrunner, which applied flawlessly). |
| 201 | |
928 | |
| 202 | 3.6 Sat Apr 14 17:13:31 CEST 2007 |
929 | 3.6 Sat Apr 14 17:13:31 CEST 2007 |
| 203 | - added some bugfixes to get eg/myhttpd working again. |
930 | - added some bugfixes to get eg/myhttpd working again. |
| 204 | - added Coro::Storable for often-cede'ing freeze/thaw. |
931 | - added Coro::Storable for often-cede'ing freeze/thaw. |
| 205 | - try to do a clean exit when a coroutine calls exit |
932 | - try to do a clean exit when a coroutine calls exit |
| 206 | (EXPERIMENTAL). |
933 | (EXPERIMENTAL). |
| 207 | - got rid of indirect call through _coro_init. |
934 | - got rid of indirect call through _coro_init. |
| 208 | - updated the partly antique examples in eg/ to |
935 | - updated the partly antique examples in eg/ to |
