| 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? |
|
|
| 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.? |
|
|
7 | TODO: emulation for splice? |
|
|
8 | TODO: syncfs/sync windows: |
|
|
9 | TODO: posix_fallocate when flags=0 |
|
|
10 | http://stackoverflow.com/questions/65170/how-to-get-name-associated-with-open-handle/5286888#5286888 |
|
|
11 | http://blogs.msdn.com/b/adioltean/archive/2005/04/16/408947.aspx |
|
|
12 | http://msdn.microsoft.com/en-us/library/aa366789%28v=vs.85%29.aspx |
|
|
13 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa366789%28v=vs.85%29.aspx |
|
|
14 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364425%28v=vs.85%29.aspx |
|
|
15 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364963%28v=vs.85%29.aspx |
|
|
16 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364996%28v=vs.85%29.aspx |
|
|
17 | http://msdn.microsoft.com/en-us/library/windows/desktop/aa364994%28v=vs.85%29.aspx |
|
|
18 | TODO: extra socket/tcp constants &c? |
|
|
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); |
|
|
20 | TODO: name_to_handle_At + open_by_handle_at = clone fds |
|
|
21 | TODO: lchown |
|
|
22 | TODO: mount/umount2/MS_* flags |
|
|
23 | |
|
|
24 | TODO: rewrite rmtree et al. to support working directories (also speed them up) |
|
|
25 | TODO: maybe IO::AIO leaks fds when requests are cancelled? maybe initialise result to -1? |
|
|
26 | TODO: aio_wd should use O_PATH on linux, due to lacking O_SEARCH (http://comments.gmane.org/gmane.linux.file-systems/33611) |
|
|
27 | http://www.openwall.com/lists/musl/2013/02/23/4 |
|
|
28 | TODO: maybe copy some hacks from PerlIOStdio_invalidate_fileno for faster close on certain platforms |
|
|
29 | TODO: copy_file_range, copy_file_range |
|
|
30 | TODO: FIDEDUPERANGE, file_ioctl.c |
| 8 | TODO: aio_mincore? |
31 | TODO: mincore |
| 9 | TODO: getxattr etc.? |
32 | TODO: SOCK_CLOEXEc etc. |
| 10 | TODO: F_DUPFD_CLOEXEC |
33 | TODO: unlinkat flags, linkat flags, statat flags |
|
|
34 | TODO: https://kernelnewbies.org/Linux_4.11 |
|
|
35 | TODO: define useful rules for [[$wd, $path], $path] &c and implement them |
|
|
36 | TODO: https://github.com/coreutils/coreutils/blob/master/src/stat.c maybe IO::AIO::FSID |
|
|
37 | TODO: mlock2, MLOCK_ONFAULT |
|
|
38 | TODO: dup3, pipe2, accept4 |
| 11 | |
39 | |
| 12 | TODO: rewrite scandir etc. to take avdantage of IO::AIO::WD |
40 | - aio_mtouch touch all pages as requested, not just the first page in most cases. |
| 13 | TODO: slowdown!!!! perl -Mblib bin/treescan -sq /root/src |
41 | - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE |
| 14 | TODO: treescan using extra fds |
42 | and MREMAP_FIXED. |
|
|
43 | - add O_ACCMODE. |
|
|
44 | - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants. |
|
|
45 | |
|
|
46 | 4.4 Tue Feb 20 07:54:12 CET 2018 |
|
|
47 | - new aio_slurp request. |
|
|
48 | - add (experimental) IO::AIO::eventfd and timerfd* function. |
|
|
49 | - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit. |
|
|
50 | - point out that aio_copy overwrites existing files. |
|
|
51 | - removed filesystem magic number table from aio_statvfs docs as |
|
|
52 | statvfs doesn't actually return this info at all (statfs does). |
|
|
53 | - add a bunch of (mostly linux-specific) constants for use in ioctls |
|
|
54 | (see aio_ioctl docs). |
|
|
55 | - treescan now has a proper manpage and useful --help output. |
|
|
56 | - new option --sync in treescan, to sync everything in a subtree. |
|
|
57 | - changed default for aio_msync flags to MSYNC_SYNC. |
|
|
58 | - document offset/length behaviour of mprotect/madvise. |
|
|
59 | - support linux's renameat2 (via aio_rename2). |
|
|
60 | - add aio_rename2, an aio_rename with flags. |
|
|
61 | - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants. |
|
|
62 | - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE. |
|
|
63 | - (libeio) use posix_close if available. |
|
|
64 | - (libeio) internal close() calls no longer disturb errno. |
|
|
65 | - add IO:AIO::FALLOC_FL_UNSHARE. |
|
|
66 | - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES |
|
|
67 | and better eventfd detection. |
|
|
68 | |
|
|
69 | 4.34 Sun May 1 19:18:24 CEST 2016 |
|
|
70 | - def0.h was not properly generated during previous release, causing |
|
|
71 | compile errors on various platforms. |
|
|
72 | - major/minor were accidentally switched (reported by Alexander Lishenyuk). |
|
|
73 | - removed duplicate definition of MAP_HUGETLB, that was found due to |
|
|
74 | a bug in Perl::Tidy (testcase by alaska332@gmail.com). |
|
|
75 | - added (untested!) aio_fcntl, aio_ioctl requests. |
|
|
76 | - (libeio) names set via prctl are truncated to 15 chars + nul, not 16, |
|
|
77 | as manpages-dev originally claimed. |
|
|
78 | |
|
|
79 | 4.33 Mon Jan 18 12:50:10 CET 2016 |
|
|
80 | - add IO::AIO::pipe2 function. |
|
|
81 | - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE |
|
|
82 | constants. |
|
|
83 | - added support for O_TMPFILE and O_PATH constants. |
|
|
84 | - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK |
|
|
85 | consdtants, whether they can be sensibly used or not. |
|
|
86 | - use NO_INIT where applicable. |
|
|
87 | - update libecb. |
|
|
88 | - added stability canary support. |
|
|
89 | - updated linux super magic table to 4.3.3. |
|
|
90 | |
|
|
91 | 4.32 Wed Feb 11 20:32:11 CET 2015 |
|
|
92 | - replace off_t by STRLEN where appropriate, should not result in |
|
|
93 | user-visible changes. |
|
|
94 | - update ecb.h for C11 compatibility. |
|
|
95 | |
|
|
96 | 4.31 Tue Jun 3 03:29:27 CEST 2014 |
|
|
97 | - work around more 5.20 bugs. backwards compatibility my ass. |
|
|
98 | |
|
|
99 | 4.3 Fri Apr 11 06:22:38 CEST 2014 |
|
|
100 | - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL |
|
|
101 | without warning by switching the meaning of USE_SOCKETS_AS_HANDLES |
|
|
102 | in 5.18. What's so attractive about giving a shit about backwards |
|
|
103 | compatibility - I will never understand. |
|
|
104 | |
|
|
105 | 4.2 Sat Jan 25 01:13:14 CET 2014 |
|
|
106 | - aio_group could corrupt memory because it didn't restore |
|
|
107 | the stack after req_submit. |
|
|
108 | - be more careful on (e.g. permission) errors in bin/treescan. |
|
|
109 | - work around changes in ExtUtils::MakeMaker. |
|
|
110 | - (libeio) implement aio_realpath for win32. |
|
|
111 | - (xthread) work around compile time bugs in ptw32. |
|
|
112 | - added IO::AIO::pipesize. |
|
|
113 | - (libecb) insignificant update. |
|
|
114 | |
|
|
115 | 4.19 Sun Jan 6 12:47:26 CET 2013 |
|
|
116 | - avoid endless loop in fiemap with some XFS files. |
|
|
117 | - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."] |
|
|
118 | and call rename/rmdir instead of renameat/unlinkat. |
|
|
119 | |
|
|
120 | 4.18 Thu Oct 11 07:01:26 CEST 2012 |
|
|
121 | - fix unintended xthread_create by intentionalising it :) |
|
|
122 | |
|
|
123 | 4.17 Thu Oct 11 05:19:47 CEST 2012 |
|
|
124 | - rename aio_fallocate to aio_allocate, to match documentation. |
|
|
125 | - add list of linux fsid values to aio_statvfs docs. |
|
|
126 | - work around a bug in btrfs' FIEMAP ioctl implementation. |
|
|
127 | - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long |
|
|
128 | as per unix spec. |
|
|
129 | |
|
|
130 | 4.16 Tue Aug 14 05:39:03 CEST 2012 |
|
|
131 | - aio_statvfs was wromgly marked for wd emulation, causing |
|
|
132 | it to malfunction for paths. |
|
|
133 | - fix a crash in aio_fiemap, when used on ranges without any |
|
|
134 | extents. |
|
|
135 | - work around linux kernel bug (at least in 3.2): kernel might |
|
|
136 | trash fiemap input arguments. |
|
|
137 | - work around linux kernel bug (at least in 3.2): kernel does not |
|
|
138 | set FIEMAP_EXTENT_LAST on last segment. |
|
|
139 | - work around linux kernel bug (at least in 3.2): kernel silently |
|
|
140 | truncates segment count if a file. |
|
|
141 | - make fh argument of IO::AIO::mmap optional, also add mmap/munmap |
|
|
142 | to quick overview. |
|
|
143 | - splice can corrupt data. |
|
|
144 | - (libeio) remove pread/pwrite emulation. |
|
|
145 | - do not grow mmaped scalars in aio_read. |
|
|
146 | - add FALLOC_FL_PUNCH_HOLE and document fallocate. |
|
|
147 | - provide pread/pwrite for win32, making it link again on native win32. |
|
|
148 | |
|
|
149 | 4.15 Tue Apr 10 06:59:00 CEST 2012 |
|
|
150 | - always include linux/types.h for fiemap, for compatibility to |
|
|
151 | ancient systems (Paul Howarth). |
|
|
152 | - experimental support for IO::AIO::splice and ::tee (no aio_...). |
|
|
153 | - provide SEEK_HOLE and SEEK_DATA, if available. |
|
|
154 | - work around (again!) an immensely stupid bug in RHEL, defining |
|
|
155 | autoconf macros in linux system headers (analysed by Paul Howarth). |
|
|
156 | |
|
|
157 | 4.14 Sat Apr 7 02:45:18 CEST 2012 |
|
|
158 | - fix stat structure usage on windows, which caused bogus stat results. |
|
|
159 | - (libeio) make readahead emulation behave more like actual readahead by never failing. |
|
|
160 | - new request aio_seek. |
|
|
161 | - new request aio_fiemap. |
|
|
162 | - autogenerate the #ifdef/#define 0 blocks for symbols we export. |
|
|
163 | |
|
|
164 | 4.12 Fri Dec 30 08:51:25 CET 2011 |
|
|
165 | - realpath would return a random value if the name was too long, |
|
|
166 | instead of -1. |
|
|
167 | - port to c89. |
|
|
168 | |
|
|
169 | 4.11 Mon Oct 10 00:24:11 CEST 2011 |
|
|
170 | - libeio didn't compile on !linux (Paul Howarth). |
|
|
171 | |
|
|
172 | 4.1 Sun Oct 9 10:24:11 CEST 2011 |
| 15 | - IO::AIO did access uninitialised memory on unsuccessful stats. |
173 | - IO::AIO did access uninitialised memory on unsuccessful stats. |
| 16 | - (libeio) added syncfs syscall wrapper. |
174 | - (libeio) added syncfs syscall wrapper. |
| 17 | - (libeio) set thread name on linux (ps -L/Hcx, top, gdb). |
175 | - (libeio) set thread name on linux (ps -L/Hcx, top, gdb). |
| 18 | - (libeio) support multiple indepenent working directories. |
176 | - (libeio) support multiple indepenent working directories. |
| 19 | - applied speling corrections by Nicholas Bamber. |
177 | - applied speling corrections by Nicholas Bamber. |
| … | |
… | |
| 21 | - reduce the number of file descriptors in use at any one time |
179 | - reduce the number of file descriptors in use at any one time |
| 22 | in treescan, to avoid running out of them (and using too much ram). |
180 | in treescan, to avoid running out of them (and using too much ram). |
| 23 | - take advantage of working directoriy abstractions |
181 | - take advantage of working directoriy abstractions |
| 24 | in aio_scandir and treescan. |
182 | in aio_scandir and treescan. |
| 25 | - reduce compiled size by ~10% by not inlining some key functionality. |
183 | - reduce compiled size by ~10% by not inlining some key functionality. |
|
|
184 | - added --progress switch to treescan. |
| 26 | |
185 | |
| 27 | 4.0 Mon Jul 18 05:01:10 CEST 2011 |
186 | 4.0 Mon Jul 18 05:01:10 CEST 2011 |
| 28 | - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was), |
187 | - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was), |
| 29 | see FORK BEHAVIOUR in manpage for details. |
188 | see FORK BEHAVIOUR in manpage for details. |
| 30 | - passes testsuite on win32 now and may actually work |
189 | - passes testsuite on win32 now and may actually work |
