| 1 | Revision history for IO::AIO |
1 | Revision history for IO::AIO |
| 2 | |
2 | |
| 3 | TODO: better autoconf.pm that can return LIBS etc. |
3 | TODO: scandir - some dirs mostly contain subdirs - invert logic? |
| 4 | TODO: aio_cptree/mvtree |
4 | TODO: aio_cptree/mvtree |
| 5 | TODO: reduce condvar fairness: schedule hot-cache-threads first? |
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| 6 | TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/) |
5 | TODO: vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/) |
| 7 | TODO: aio_fcntl, at least for file-locking |
6 | TODO: getxattr, setxattr, listxattr, removexattr etc.? |
| 8 | TODO: fallocate, if it wouldn't be so useless. |
7 | TODO: emulation for splice? |
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8 | TODO: syncfs/sync windows: |
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9 | TODO: posix_fallocate when flags=0 |
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10 | http://stackoverflow.com/questions/65170/how-to-get-name-associated-with-open-handle/5286888#5286888 |
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11 | http://blogs.msdn.com/b/adioltean/archive/2005/04/16/408947.aspx |
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12 | http://msdn.microsoft.com/en-us/library/aa366789%28v=vs.85%29.aspx |
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13 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa366789%28v=vs.85%29.aspx |
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14 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364425%28v=vs.85%29.aspx |
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15 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364963%28v=vs.85%29.aspx |
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16 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364996%28v=vs.85%29.aspx |
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17 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364994%28v=vs.85%29.aspx |
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18 | TODO: extra socket/tcp constants &c? |
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19 | TODO: http://lwn.net/Articles/593918/ SHMEM_SET_SEALS, SHMEM_GET_SEALS, SEAL_SHRINK, SEAL_GROW, SEAL_WRITE, int memfd_create(const char *name, u64 size, u64 flags);, MFD_CLOEXEC, int fd = open("/tmp", O_RDWR | O_TMPFILE | O_EXCL, S_IRWXU); |
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20 | TODO: name_to_handle_At + open_by_handle_at = clone fds |
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21 | TODO: lchown |
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22 | TODO: mount/umount2/MS_* flags |
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23 | |
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24 | TODO: rewrite rmtree et al. to support working directories (also speed them up) |
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25 | TODO: maybe IO::AIO leaks fds when requests are cancelled? maybe initialise result to -1? |
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26 | TODO: aio_wd should use O_PATH on linux, due to lacking O_SEARCH (http://comments.gmane.org/gmane.linux.file-systems/33611) |
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27 | http://www.openwall.com/lists/musl/2013/02/23/4 |
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28 | TODO: copy_file_range, copy_file_range |
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29 | TODO: FIDEDUPERANGE, file_ioctl.c |
| 9 | TODO: aio_mincore? |
30 | TODO: mincore |
| 10 | TODO: getxattr etc.? |
31 | TODO: SOCK_CLOEXEc etc. |
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32 | TODO: unlinkat flags, linkat flags, statat flags |
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33 | TODO: https://kernelnewbies.org/Linux_4.11 |
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34 | TODO: define useful rules for [[$wd, $path], $path] &c and implement them |
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35 | TODO: https://github.com/coreutils/coreutils/blob/master/src/stat.c maybe IO::AIO::FSID |
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36 | TODO: mlock2, MLOCK_ONFAULT |
| 11 | |
37 | |
| 12 | TODO: MS_xxx, posix_fadvise, posix_madvise |
38 | - aio_mtouch touch all pages as requested, not just the first page in most cases. |
| 13 | TODO: realpath |
39 | - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE |
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40 | and MREMAP_FIXED. |
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41 | - add O_ACCMODE. |
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42 | |
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43 | 4.4 Tue Feb 20 07:54:12 CET 2018 |
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44 | - new aio_slurp request. |
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45 | - add (experimental) IO::AIO::eventfd and timerfd* function. |
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46 | - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit. |
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47 | - point out that aio_copy overwrites existing files. |
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48 | - removed filesystem magic number table from aio_statvfs docs as |
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49 | statvfs doesn't actually return this info at all (statfs does). |
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50 | - add a bunch of (mostly linux-specific) constants for use in ioctls |
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51 | (see aio_ioctl docs). |
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52 | - treescan now has a proper manpage and useful --help output. |
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53 | - new option --sync in treescan, to sync everything in a subtree. |
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54 | - changed default for aio_msync flags to MSYNC_SYNC. |
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55 | - document offset/length behaviour of mprotect/madvise. |
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56 | - support linux's renameat2 (via aio_rename2). |
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57 | - add aio_rename2, an aio_rename with flags. |
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58 | - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants. |
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59 | - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE. |
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60 | - (libeio) use posix_close if available. |
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61 | - (libeio) internal close() calls no longer disturb errno. |
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62 | - add IO:AIO::FALLOC_FL_UNSHARE. |
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63 | - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES |
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64 | and better eventfd detection. |
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65 | |
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66 | 4.34 Sun May 1 19:18:24 CEST 2016 |
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67 | - def0.h was not properly generated during previous release, causing |
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68 | compile errors on various platforms. |
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69 | - major/minor were accidentally switched (reported by Alexander Lishenyuk). |
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70 | - removed duplicate definition of MAP_HUGETLB, that was found due to |
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71 | a bug in Perl::Tidy (testcase by alaska332@gmail.com). |
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72 | - added (untested!) aio_fcntl, aio_ioctl requests. |
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73 | - (libeio) names set via prctl are truncated to 15 chars + nul, not 16, |
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74 | as manpages-dev originally claimed. |
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75 | |
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76 | 4.33 Mon Jan 18 12:50:10 CET 2016 |
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77 | - add IO::AIO::pipe2 function. |
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78 | - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE |
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79 | constants. |
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80 | - added support for O_TMPFILE and O_PATH constants. |
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81 | - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK |
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82 | consdtants, whether they can be sensibly used or not. |
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83 | - use NO_INIT where applicable. |
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84 | - update libecb. |
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85 | - added stability canary support. |
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86 | - updated linux super magic table to 4.3.3. |
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87 | |
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88 | 4.32 Wed Feb 11 20:32:11 CET 2015 |
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89 | - replace off_t by STRLEN where appropriate, should not result in |
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90 | user-visible changes. |
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91 | - update ecb.h for C11 compatibility. |
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92 | |
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93 | 4.31 Tue Jun 3 03:29:27 CEST 2014 |
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94 | - work around more 5.20 bugs. backwards compatibility my ass. |
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95 | |
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96 | 4.3 Fri Apr 11 06:22:38 CEST 2014 |
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97 | - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL |
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98 | without warning by switching the meaning of USE_SOCKETS_AS_HANDLES |
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99 | in 5.18. What's so attractive about giving a shit about backwards |
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100 | compatibility - I will never understand. |
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101 | |
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102 | 4.2 Sat Jan 25 01:13:14 CET 2014 |
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103 | - aio_group could corrupt memory because it didn't restore |
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104 | the stack after req_submit. |
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105 | - be more careful on (e.g. permission) errors in bin/treescan. |
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106 | - work around changes in ExtUtils::MakeMaker. |
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107 | - (libeio) implement aio_realpath for win32. |
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108 | - (xthread) work around compile time bugs in ptw32. |
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109 | - added IO::AIO::pipesize. |
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110 | - (libecb) insignificant update. |
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111 | |
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112 | 4.19 Sun Jan 6 12:47:26 CET 2013 |
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113 | - avoid endless loop in fiemap with some XFS files. |
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114 | - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."] |
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115 | and call rename/rmdir instead of renameat/unlinkat. |
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116 | |
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117 | 4.18 Thu Oct 11 07:01:26 CEST 2012 |
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118 | - fix unintended xthread_create by intentionalising it :) |
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119 | |
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120 | 4.17 Thu Oct 11 05:19:47 CEST 2012 |
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121 | - rename aio_fallocate to aio_allocate, to match documentation. |
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122 | - add list of linux fsid values to aio_statvfs docs. |
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123 | - work around a bug in btrfs' FIEMAP ioctl implementation. |
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124 | - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long |
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125 | as per unix spec. |
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126 | |
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127 | 4.16 Tue Aug 14 05:39:03 CEST 2012 |
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128 | - aio_statvfs was wromgly marked for wd emulation, causing |
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129 | it to malfunction for paths. |
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130 | - fix a crash in aio_fiemap, when used on ranges without any |
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131 | extents. |
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132 | - work around linux kernel bug (at least in 3.2): kernel might |
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133 | trash fiemap input arguments. |
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134 | - work around linux kernel bug (at least in 3.2): kernel does not |
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135 | set FIEMAP_EXTENT_LAST on last segment. |
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136 | - work around linux kernel bug (at least in 3.2): kernel silently |
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137 | truncates segment count if a file. |
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138 | - make fh argument of IO::AIO::mmap optional, also add mmap/munmap |
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139 | to quick overview. |
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140 | - splice can corrupt data. |
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141 | - (libeio) remove pread/pwrite emulation. |
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142 | - do not grow mmaped scalars in aio_read. |
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143 | - add FALLOC_FL_PUNCH_HOLE and document fallocate. |
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144 | - provide pread/pwrite for win32, making it link again on native win32. |
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145 | |
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146 | 4.15 Tue Apr 10 06:59:00 CEST 2012 |
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147 | - always include linux/types.h for fiemap, for compatibility to |
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148 | ancient systems (Paul Howarth). |
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149 | - experimental support for IO::AIO::splice and ::tee (no aio_...). |
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150 | - provide SEEK_HOLE and SEEK_DATA, if available. |
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151 | - work around (again!) an immensely stupid bug in RHEL, defining |
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152 | autoconf macros in linux system headers (analysed by Paul Howarth). |
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153 | |
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154 | 4.14 Sat Apr 7 02:45:18 CEST 2012 |
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155 | - fix stat structure usage on windows, which caused bogus stat results. |
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156 | - (libeio) make readahead emulation behave more like actual readahead by never failing. |
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157 | - new request aio_seek. |
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158 | - new request aio_fiemap. |
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159 | - autogenerate the #ifdef/#define 0 blocks for symbols we export. |
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160 | |
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161 | 4.12 Fri Dec 30 08:51:25 CET 2011 |
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162 | - realpath would return a random value if the name was too long, |
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163 | instead of -1. |
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164 | - port to c89. |
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165 | |
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166 | 4.11 Mon Oct 10 00:24:11 CEST 2011 |
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167 | - libeio didn't compile on !linux (Paul Howarth). |
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168 | |
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169 | 4.1 Sun Oct 9 10:24:11 CEST 2011 |
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170 | - IO::AIO did access uninitialised memory on unsuccessful stats. |
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171 | - (libeio) added syncfs syscall wrapper. |
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172 | - (libeio) set thread name on linux (ps -L/Hcx, top, gdb). |
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173 | - (libeio) support multiple indepenent working directories. |
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174 | - applied speling corrections by Nicholas Bamber. |
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175 | - tune treescan #threads and #outstanding requests a bit. |
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176 | - reduce the number of file descriptors in use at any one time |
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177 | in treescan, to avoid running out of them (and using too much ram). |
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178 | - take advantage of working directoriy abstractions |
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179 | in aio_scandir and treescan. |
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180 | - reduce compiled size by ~10% by not inlining some key functionality. |
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181 | - added --progress switch to treescan. |
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182 | |
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183 | 4.0 Mon Jul 18 05:01:10 CEST 2011 |
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184 | - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was), |
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185 | see FORK BEHAVIOUR in manpage for details. |
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186 | - passes testsuite on win32 now and may actually work |
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187 | (activestate 5.10.1 / MSVC6, YMMV). |
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188 | - (libeio) fix a deadlock where a wakeup signal could be missed when |
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189 | a timeout occured at the same time. |
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190 | - (libeio) added realpath. |
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191 | - (libeio) added fallocate. |
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192 | - (libeio) disabling sendfile on darwin unfortunately broke the emulation. |
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193 | - (libeio) do not acquire any locks when forking. |
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194 | - (libeio) use fewer time() syscalls when waiting for new requests. |
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195 | |
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196 | 3.93 Wed Jun 29 23:44:18 CEST 2011 |
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197 | - ECB.H WAS MISSING. |
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198 | |
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199 | 3.92 Wed Jun 29 14:45:41 CEST 2011 |
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200 | - ecb.h was missing. |
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201 | |
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202 | 3.91 Wed Jun 29 13:24:42 CEST 2011 |
| 14 | - (libeio) work around a Linux (and likely FreeBSD and other |
203 | - (libeio) work around a Linux (and likely FreeBSD and other |
| 15 | kernels) bug where sendfile would not transfer all the requested |
204 | kernels) bug where sendfile would not transfer all the requested |
| 16 | bytes on large transfers, using a heuristic. |
205 | bytes on large transfers, using a heuristic. |
| 17 | - buggy sendfile caused aio_move/copy to sometimes fail for big |
206 | - buggy sendfile caused aio_move/copy to sometimes fail for big |
| 18 | files (fortunately it vchecks that the whole file has been |
207 | files (fortunately it checks that the whole file has been |
| 19 | transferred...) |
208 | transferred...) |
| 20 | - use libecb for higher performance and higher portability. |
209 | - use libecb for higher performance and higher portability. |
| 21 | - (libeio) disable sendfile on darwin, it's too broken. |
210 | - (libeio) disable sendfile on darwin, it's too broken. |
| 22 | - disable fork tests on !linux, as only linux supports mixing |
211 | - disable fork tests on !linux, as only linux supports mixing |
| 23 | pthread and fork in perl. |
212 | pthread and fork in perl. |
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| 27 | run on a 0.1MHz cpu. Or so. |
216 | run on a 0.1MHz cpu. Or so. |
| 28 | |
217 | |
| 29 | 3.9 Fri May 27 02:43:47 CEST 2011 |
218 | 3.9 Fri May 27 02:43:47 CEST 2011 |
| 30 | - (libeio) fix memory corruption in aio_readdirx for the flags |
219 | - (libeio) fix memory corruption in aio_readdirx for the flags |
| 31 | combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST. |
220 | combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST. |
| 32 | - add lots of newre POSIX and GNU/Linux-specific open |
221 | - add lots of newer POSIX and GNU/Linux-specific open |
| 33 | flags. |
222 | flags. |
| 34 | |
223 | |
| 35 | 3.8 Sun Mar 27 12:25:33 CEST 2011 |
224 | 3.8 Sun Mar 27 12:25:33 CEST 2011 |
| 36 | - use nonstandard but maybe-working-on-bsd fork technique. |
225 | - use nonstandard but maybe-working-on-bsd fork technique. |
| 37 | - support a max_idle value of 0. |
226 | - support a max_idle value of 0. |
