1 | Revision history for Perl extension Coro. |
1 | Revision history for Perl extension Coro. |
2 | |
2 | |
3 | TODO: should explore PerlIO::coroaio (perl leaks like hell). |
3 | TODO: should explore PerlIO::coroaio (perl leaks like hell). |
4 | TODO: channel->maxsize(newsize)? |
4 | TODO: channel->maxsize(newsize)? |
5 | TODO: http://www.microsoft.com/msj/archive/s2ce.aspx |
5 | TODO: __GCC_HAVE_DWARF2_CFI_ASM |
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6 | TODO: swap_sv, maybe add scope_swap_sv, andallow to unswap by repeat? |
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7 | TODO: swap_sv not undone in pool |
6 | |
8 | |
7 | TODO: tutorial |
9 | - tentative SVt_BIND 5.19 port/fix. |
8 | TODO: in_eval, PL_tained |
10 | |
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11 | 6.32 Tue Nov 5 15:35:35 CET 2013 |
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12 | - use a new algorithm to derive padlists for perl 5.18. The old |
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13 | one could lead to 0-pointer accesses inside perl (reported |
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14 | by Darin McBride). |
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15 | |
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16 | 6.31 Thu May 9 07:39:48 CEST 2013 |
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17 | - Coro::AIO requests would crash if the thread was ready'd |
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18 | while the request was ongoing. |
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19 | |
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20 | 6.29 Wed May 8 02:55:18 CEST 2013 |
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21 | - when an on_destroy handler destructs the coro currently being |
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22 | destructed a perl scalar could be accessed after being freed, |
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23 | likely causing a crash. |
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24 | |
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25 | 6.28 Wed Mar 6 06:58:02 CET 2013 |
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26 | - clean remnants of existing __DIE__ and __WARN__ handlers so |
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27 | they lose their magic and will not cause segfaults later |
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28 | (testcase by Andrey Sagulin). |
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29 | - improved Coro::State documentation a bit. |
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30 | - Coro::Debug::command now flushes the output. |
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31 | - add hack detection code for x32 abi, because the braindead slugs |
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32 | who designed that made it look exactly like x86_64 without |
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33 | providing proper compile time symbols to test for it. as a result, |
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34 | this detection cannot work reliably. |
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35 | - valgrind stack registering was broken. |
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36 | - do not rely on Time::HiRes anymore in Coro::Debug. |
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37 | |
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38 | 6.23 Fri Dec 7 23:36:37 CET 2012 |
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39 | - use experimental fiber implementation on native windows |
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40 | perls. |
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41 | - use sizeof (void *) as multiplication factor for stack sizes, |
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42 | to accomodate the totally braindamaged microsoft 64 bit "os". |
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43 | - changed verifier host from win2k-ap510-32 to win7-sp516-32/64. |
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44 | activeperl 5.16 crashes when PerlIO_define_layer is called due |
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45 | to some bug in the perl dll, strawberry perl at least passes |
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46 | the testsuite. |
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47 | - implement Coro::Handle->peeraddr/host/port, for slightly |
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48 | improved compatibility with LWP. |
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49 | - implement 5.17 compatibility by almost blindly applying a |
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50 | good-looking patch by Father Chrysostomos. |
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51 | - move stack management functions into libcoro 3. |
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52 | - libcoro version 3 "released". |
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53 | - support magic values as timed_io_once args. |
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54 | - recommend AnyEvent 7+ or EV 4+, also require EV |
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55 | version 4 or newer for Coro::EV. |
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56 | |
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57 | 6.10 Tue Oct 9 01:14:27 CEST 2012 |
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58 | - updated ecb.h, it had a typo that caused it to not compile on many |
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59 | big endian systems (reported by many people). |
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60 | - disable memory fences in ecb.h to improve portability. |
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61 | |
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62 | 6.09 Sat Oct 6 23:25:02 CEST 2012 |
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63 | - Coro::EV I/O watchers were not interruptible by exceptions |
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64 | (Coro::State::throw) (testcase by sten). |
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65 | - ->throw now puts threads into the ready queue, as this seems to |
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66 | be expected by existing code, and code that doesn't cope with spurious |
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67 | wakeups needs fixing anyway. |
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68 | - use fd -1 in mmap. |
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69 | - cast I32 to int in error message printf. |
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70 | - warn about broken so-called "hardened" kernels. |
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71 | |
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72 | 6.08 Fri Apr 13 12:05:47 CEST 2012 |
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73 | - be more aggressive about exiting like perl does - formerly, |
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74 | exiting from the non-main thread would not execute END blocks. |
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75 | |
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76 | 6.07 Fri Nov 11 21:21:48 CET 2011 |
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77 | - work around a bug in PerlIO (setting $SIG{__WARN__} to a PVCV). |
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78 | - update ecb.h. |
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79 | |
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80 | 6.06 Mon Aug 8 23:59:48 CEST 2011 |
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81 | - cygwin unfortunately patches the stack at runtime, so we use the pthreads |
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82 | backend, which is an order of magnitude slower. unfortunately, cygwins |
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83 | pthread implementation isn't very complete either, so allocate the stack |
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84 | twice just to be sure. |
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85 | (note: cygwin also enables mymalloc, which is NOT THREADSAFE ON WINDOWS, |
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86 | in its ithreaded perl - best recompile cygwin and use the 'w'indows |
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87 | backend for much better performance. also disable ithreads for |
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88 | even better performance...). |
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89 | |
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90 | 6.05 Thu Aug 4 21:36:36 CEST 2011 |
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91 | - blush, condvar values would not be propagated from send to recv anymore |
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92 | (reported by Chip Salzenberg). |
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93 | - use exponential increase for the readline buffer length in |
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94 | Coro::Handle. also reduce initial allocation to 1020 from 4096 bytes. |
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95 | |
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96 | 6.04 Wed Aug 3 17:15:45 CEST 2011 |
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97 | - use even more efficient and more compatible condvars for |
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98 | compatibility to AnyEvent 6.x :) |
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99 | - more inconsequential ecb.h updates. |
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100 | |
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101 | 6.03 Wed Aug 3 11:41:30 CEST 2011 |
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102 | - change how Coro patches AnyEvent condvars for compatibility to |
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103 | AnyEvent 6.x. |
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104 | - update ecb.h, to no longer include <pthread.h> in case WinNT.h |
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105 | hasn't been included. |
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106 | |
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107 | 6.02 Wed Jul 13 04:35:19 CEST 2011 |
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108 | - "improve portability to Gentoo" - gentoo manages to put perl variables |
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109 | in memory areas that are farther than 2gb apart, which the jit couldn't |
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110 | handle and barfed. now it's just a bit slower on gentoo and similar |
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111 | systems. |
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112 | |
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113 | 6.01 Sun Jul 3 12:31:14 CEST 2011 |
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114 | - workarounds are good, but the test for whether pthreads are used |
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115 | was not good. thisone should be better. |
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116 | - check differently whether gcc generates cfi instructions itself. |
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117 | |
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118 | 6.0 Wed Jun 29 19:43:35 CEST 2011 |
9 | - INCOMPATIBLE CHANGE: unreferenced coro objects will now be |
119 | - INCOMPATIBLE CHANGE: unreferenced coro objects will now be |
10 | destroyed and cleaned up automatically (e.g. async { schedule }). |
120 | destroyed and cleaned up automatically (e.g. async { schedule }). |
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121 | - implement a JIT compiler for part of the thread switch code, |
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122 | which gives a 50% speed improvement on threaded perls, and |
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123 | about 4% on non-thraeded perls (so threaded perls now finally |
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124 | reach about half the speed of non-threaded perls). |
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125 | - slightly modernise Coro::Intro, add section about rouse functions. |
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126 | - avoid DEFSV and ERRSV, giving another 10% improvement |
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127 | in thread switching. |
11 | - Coro::State->is_destroyed is now called is_zombie. |
128 | - Coro::State->is_destroyed is now called is_zombie. |
12 | - implement a Coro->safe_cancel method that might fail, but |
129 | - implement a Coro->safe_cancel method that might fail, but |
13 | cancels in a "safer" way if it succeeds. |
130 | cancels in a "safer" way if it succeeds. |
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131 | - add preliminary support for DEBUGGING perls. |
14 | - get rid of two hash-accesses when initialising a new Coro - this |
132 | - get rid of two hash-accesses when initialising a new Coro - this |
15 | speeds up coro creation by almost a factor of two. |
133 | speeds up coro creation by almost a factor of two. |
16 | - croak when a coro that is being cancelled tries to block |
134 | - croak when a coro that is being cancelled tries to block |
17 | (e.g. while executing a guard block), instead of crashing or |
135 | (e.g. while executing a guard block), instead of crashing or |
18 | deadlocking. |
136 | deadlocking. |
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33 | - get rid if coro refcounting - simply crash in other interpreter |
151 | - get rid if coro refcounting - simply crash in other interpreter |
34 | threads by nulling the pointers on clone. |
152 | threads by nulling the pointers on clone. |
35 | - simplify warn/die hook handling when loading Coro - the convoluted |
153 | - simplify warn/die hook handling when loading Coro - the convoluted |
36 | logic seems to be no longer neccessary. |
154 | logic seems to be no longer neccessary. |
37 | - use libecb instead of our own home-grown gcc hacks. |
155 | - use libecb instead of our own home-grown gcc hacks. |
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156 | - document alternatives to Coro::LWP. Please use them :) |
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157 | - work around another mindless idiotic NEEDLESS bug in openbsd/mirbsds |
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158 | sigaltstack. Really. wine suffers from it, erlang suffers from it, |
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159 | and it's known since at least 2006. |
38 | |
160 | |
39 | 5.372 Wed Feb 23 06:14:30 CET 2011 |
161 | 5.372 Wed Feb 23 06:14:30 CET 2011 |
40 | - apparently mingw doesn't provide a working gettimeofday, try to |
162 | - apparently mingw doesn't provide a working gettimeofday, try to |
41 | work around that by relying on Time::HiRes (indirectly brought to |
163 | work around that by relying on Time::HiRes (indirectly brought to |
42 | my attention by Max Maischein). |
164 | my attention by Max Maischein). |
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360 | - ->throw is now supported on Coro::State objects. |
482 | - ->throw is now supported on Coro::State objects. |
361 | - clean up cctx creation code a bit. |
483 | - clean up cctx creation code a bit. |
362 | - entersub is actually a UNOP, not a LOGOP (not a bugfix). |
484 | - entersub is actually a UNOP, not a LOGOP (not a bugfix). |
363 | |
485 | |
364 | 4.9 Sat Nov 8 17:45:27 CET 2008 |
486 | 4.9 Sat Nov 8 17:45:27 CET 2008 |
365 | - (libcoro) did not preserve rbp with CORO_ASM (we are getting there). |
487 | - (libcoro) did not preserve rbp with CORO_ASM (we are getting there). |
366 | - (libcoro) no longer leak threads in the experimental pthread backend, |
488 | - (libcoro) no longer leak threads in the experimental pthread backend, |
367 | also speed it up considerably. |
489 | also speed it up considerably. |
368 | - (libcoro) do not rely on makecontext passing void *'s unscathed. |
490 | - (libcoro) do not rely on makecontext passing void *'s unscathed. |
369 | - fix compiletime dependencies on libcoro in the Makefile. |
491 | - fix compiletime dependencies on libcoro in the Makefile. |
370 | - cctx_count wasn't always updated properly. |
492 | - cctx_count wasn't always updated properly. |
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432 | - remove debugging code related to MgPV_nolen_const, also try to |
554 | - remove debugging code related to MgPV_nolen_const, also try to |
433 | make it compile with perl 5.8.6 (yes, apple apparently loves |
555 | make it compile with perl 5.8.6 (yes, apple apparently loves |
434 | outdated software). Reported by John S. |
556 | outdated software). Reported by John S. |
435 | |
557 | |
436 | 4.744 Tue Jul 8 22:06:35 CEST 2008 |
558 | 4.744 Tue Jul 8 22:06:35 CEST 2008 |
437 | - correctly provide default DIE/WARN handlers as documented. |
559 | - correctly provide default DIE/WARN handlers as documented. |
438 | - also overwrite PL_vtbl_sigelem.svt_clear, even though current |
560 | - also overwrite PL_vtbl_sigelem.svt_clear, even though current |
439 | implementations inside perl work fine for us. |
561 | implementations inside perl work fine for us. |
440 | |
562 | |
441 | 4.743 Mon Jun 16 00:21:57 CEST 2008 |
563 | 4.743 Mon Jun 16 00:21:57 CEST 2008 |
442 | - when using Coro::EV without running EV::loop it could |
564 | - when using Coro::EV without running EV::loop it could |
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464 | - sprinkle "no warnings" freely over everything, also suppress |
586 | - sprinkle "no warnings" freely over everything, also suppress |
465 | warnings for some other modules. |
587 | warnings for some other modules. |
466 | - fix typo in WSAEWOULDBLOCK. |
588 | - fix typo in WSAEWOULDBLOCK. |
467 | |
589 | |
468 | 4.72 Sun May 25 05:14:36 CEST 2008 |
590 | 4.72 Sun May 25 05:14:36 CEST 2008 |
469 | - tweak META.yaml a bit, unfortunately, there is no documented way |
591 | - tweak META.yaml a bit, unfortunately, there is no documented way |
470 | to have optional dependencies with CPAN. doh :( |
592 | to have optional dependencies with CPAN. doh :( |
471 | - avoid running some tests on windows because they would fail due to |
593 | - avoid running some tests on windows because they would fail due to |
472 | perl bug (broken fork, broken pipes...). |
594 | perl bug (broken fork, broken pipes...). |
473 | - work around perl on windows bugs where perl returns undocumented |
595 | - work around perl on windows bugs where perl returns undocumented |
474 | error codes for sysread, syswrite etc. by taking advantage |
596 | error codes for sysread, syswrite etc. by taking advantage |
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478 | - use unix domain sockets in testsuite to work around |
600 | - use unix domain sockets in testsuite to work around |
479 | common perl implementation bugs on widows (they are emulated by |
601 | common perl implementation bugs on widows (they are emulated by |
480 | tcp sockets on windows. ugh.) |
602 | tcp sockets on windows. ugh.) |
481 | |
603 | |
482 | 4.71 Sat May 24 20:01:27 CEST 2008 |
604 | 4.71 Sat May 24 20:01:27 CEST 2008 |
483 | - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()"). |
605 | - fix a bug in Coro::AnyEvent ("Usage: Coro::AnyEvent::_schedule()"). |
484 | - take advantage of async name resolution of AnyEvent::Util. |
606 | - take advantage of async name resolution of AnyEvent::Util. |
485 | - work around brutal inet_aton override in Coro::LWP. |
607 | - work around brutal inet_aton override in Coro::LWP. |
486 | - take advantage of the readyhook in Coro::EV, for smoother |
608 | - take advantage of the readyhook in Coro::EV, for smoother |
487 | scheduling. |
609 | scheduling. |
488 | |
610 | |
489 | 4.7 Sun May 11 00:32:19 CEST 2008 |
611 | 4.7 Sun May 11 00:32:19 CEST 2008 |
490 | - completely reworked the Coro manpage. |
612 | - completely reworked the Coro manpage. |
491 | - added Coro::AnyEvent, generic event loop integration. |
613 | - added Coro::AnyEvent, generic event loop integration. |
492 | - implement cancel, ready and kill commands in Coro::Debug. |
614 | - implement cancel, ready and kill commands in Coro::Debug. |
493 | - document find_coro in Coro::Debug. |
615 | - document find_coro in Coro::Debug. |
494 | - incompatible change: rename has_stack to has_cctx. |
616 | - incompatible change: rename has_stack to has_cctx. |
495 | - Coro::AIO and Coro::BDB no longer force event model detection, |
617 | - Coro::AIO and Coro::BDB no longer force event model detection, |
496 | use AnyEvent::AIO and AnyEvent::BDB. |
618 | use AnyEvent::AIO and AnyEvent::BDB. |
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620 | |
742 | |
621 | 4.11 Thu Oct 11 02:40:24 CEST 2007 |
743 | 4.11 Thu Oct 11 02:40:24 CEST 2007 |
622 | - port to threaded perls. |
744 | - port to threaded perls. |
623 | |
745 | |
624 | 4.1 Thu Oct 11 02:38:16 CEST 2007 |
746 | 4.1 Thu Oct 11 02:38:16 CEST 2007 |
625 | - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now |
747 | - incompatible change: $SIG{__DIE__} and $SIG{__WARN__} will now |
626 | be local to each coro (see Coro::State). |
748 | be local to each coro (see Coro::State). |
627 | - incompatible change: for very deep reasons, cede and cede_notself |
749 | - incompatible change: for very deep reasons, cede and cede_notself |
628 | cannot return anything, so nothing will be returned. |
750 | cannot return anything, so nothing will be returned. |
629 | - possibly bring back 5.10 compatibility (untested). |
751 | - possibly bring back 5.10 compatibility (untested). |
630 | - work around stupid (and wrong) warning on 5.10 :(. |
752 | - work around stupid (and wrong) warning on 5.10 :(. |
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702 | but stateful semantics. |
824 | but stateful semantics. |
703 | - fixed a lot of typos in Coro.pm (patch submitted by David |
825 | - fixed a lot of typos in Coro.pm (patch submitted by David |
704 | Steinbrunner, which applied flawlessly). |
826 | Steinbrunner, which applied flawlessly). |
705 | |
827 | |
706 | 3.6 Sat Apr 14 17:13:31 CEST 2007 |
828 | 3.6 Sat Apr 14 17:13:31 CEST 2007 |
707 | - added some bugfixes to get eg/myhttpd working again. |
829 | - added some bugfixes to get eg/myhttpd working again. |
708 | - added Coro::Storable for often-cede'ing freeze/thaw. |
830 | - added Coro::Storable for often-cede'ing freeze/thaw. |
709 | - try to do a clean exit when a coroutine calls exit |
831 | - try to do a clean exit when a coroutine calls exit |
710 | (EXPERIMENTAL). |
832 | (EXPERIMENTAL). |
711 | - got rid of indirect call through _coro_init. |
833 | - got rid of indirect call through _coro_init. |
712 | - updated the partly antique examples in eg/ to |
834 | - updated the partly antique examples in eg/ to |