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Comparing IO-AIO/Changes (file contents):
Revision 1.192 by root, Sat Jun 13 13:33:00 2009 UTC vs.
Revision 1.370 by root, Sat Aug 25 19:55:48 2018 UTC

1Revision history for IO::AIO 1Revision history for IO::AIO
2 2
3TODO: better autoconf.pm that can return LIBS etc. 3TODO: scandir - some dirs mostly contain subdirs - invert logic?
4TODO: aio_cptree/mvtree 4TODO: aio_cptree/mvtree
5TODO: reduce condvar fairness: schedule hot-cache-threads first?
6TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/) 5TODO: vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
7TODO: aio_fcntl, at least for file-locking 6TODO: getxattr, setxattr, listxattr, removexattr etc.?
7TODO: emulation for splice?
8TODO: syncfs/sync windows:
9TODO: posix_fallocate when flags=0
10http://stackoverflow.com/questions/65170/how-to-get-name-associated-with-open-handle/5286888#5286888
11http://blogs.msdn.com/b/adioltean/archive/2005/04/16/408947.aspx
12http://msdn.microsoft.com/en-us/library/aa366789%28v=vs.85%29.aspx
13http://msdn.microsoft.com/en-us/library/windows/desktop/aa366789%28v=vs.85%29.aspx
14http://msdn.microsoft.com/en-us/library/windows/desktop/aa364425%28v=vs.85%29.aspx
15http://msdn.microsoft.com/en-us/library/windows/desktop/aa364963%28v=vs.85%29.aspx
16http://msdn.microsoft.com/en-us/library/windows/desktop/aa364996%28v=vs.85%29.aspx
17http://msdn.microsoft.com/en-us/library/windows/desktop/aa364994%28v=vs.85%29.aspx
18TODO: extra socket/tcp constants &c?
19TODO: 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);
20TODO: name_to_handle_At + open_by_handle_at = clone fds
21TODO: lchown
22TODO: mount/umount2/MS_* flags
23
24TODO: rewrite rmtree et al. to support working directories (also speed them up)
25TODO: maybe IO::AIO leaks fds when requests are cancelled? maybe initialise result to -1?
26TODO: 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
28TODO: maybe copy some hacks from PerlIOStdio_invalidate_fileno for faster close on certain platforms
29TODO: copy_file_range, copy_file_range
30TODO: FIDEDUPERANGE, file_ioctl.c
31TODO: mincore
32TODO: SOCK_CLOEXEc etc.
33TODO: unlinkat flags, linkat flags, statat, renameat2 flags
34TODO: https://kernelnewbies.org/Linux_4.11
35TODO: define useful rules for [[$wd, $path], $path] &c and implement them
36TODO: https://github.com/coreutils/coreutils/blob/master/src/stat.c maybe IO::AIO::FSID
37TODO: mlock2, MLOCK_ONFAULT
38TODO: dup3, pipe2, accept4
39TODO: dump config.log when automated testign and configure fails
40
41 - add st_btime, st_btimesec, st_btimensec and st_gen accessors,
42 mostly for bsds which expose birthtime and st_gen members (netbsd, freebsd
43 but only st_gen on openbsd because they compiled their perl without support
44 for birthtimes).
45 - fix madvise and munlock to properly support negative offsets.
46 - allocate fd for the aio_close at boot time, to guarantee it working
47 later, rather than calling abort when it fails. also avoids
48 close-on-exec race issues after module load.
49 - #undef utime on win32, maybe this helps some reports of utime hangs.
50 - minor doc improvements.
51 - minor configure cleanups.
52 - use $Config{perllibs} instead of libs for configure. might help people
53 who didn'T install all perl dependencies (might break things as well).
54
554.54 Tue Aug 14 13:54:48 CEST 2018
56 - include sys/mkdev.h or sys/sysmacros.h if available.
57 - further tweaks to configure invocation for systems requiring --rpath.
58 - no longer rely on custom paths on win32 platforms.
59 - try to work around buggy PAGESIZE macro on solaris.
60
614.53 Tue Aug 14 11:27:50 CEST 2018
62 - add $Config{libs} to LIBS for configure, to work around systems
63 with broken library dependencies (... openbsd).
64
654.52 Sun Aug 12 08:09:45 CEST 2018
66 - config.h.in was missing in distribution.
67
684.51 Sun Aug 12 07:24:14 CEST 2018
69 - complete rework of the autoconf framework: IO::AIO now uses its own
70 config.h, separate from libeio, and tries to test the actual perl
71 environment, not the standard system environment.
72 - provide nanosecond-accracy stat time accessors for both perl and IO::AIO
73 stat functions.
74 - removed non-portable C++ syntax from eio.c.
75 - try to fix readdir tests on cygwin spuriously failing.
76
774.5 Wed Aug 1 00:23:55 CEST 2018
78 - aio_mtouch touch all pages as requested, not just the first page in most cases.
79 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
80 and MREMAP_FIXED.
81 - add O_ACCMODE.
82 - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants.
83
844.4 Tue Feb 20 07:54:12 CET 2018
85 - new aio_slurp request.
86 - add (experimental) IO::AIO::eventfd and timerfd* function.
87 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
88 - point out that aio_copy overwrites existing files.
89 - removed filesystem magic number table from aio_statvfs docs as
90 statvfs doesn't actually return this info at all (statfs does).
91 - add a bunch of (mostly linux-specific) constants for use in ioctls
92 (see aio_ioctl docs).
93 - treescan now has a proper manpage and useful --help output.
94 - new option --sync in treescan, to sync everything in a subtree.
95 - changed default for aio_msync flags to MSYNC_SYNC.
96 - document offset/length behaviour of mprotect/madvise.
97 - support linux's renameat2 (via aio_rename2).
98 - add aio_rename2, an aio_rename with flags.
99 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
100 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
101 - (libeio) use posix_close if available.
102 - (libeio) internal close() calls no longer disturb errno.
103 - add IO:AIO::FALLOC_FL_UNSHARE.
104 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
105 and better eventfd detection.
106
1074.34 Sun May 1 19:18:24 CEST 2016
108 - def0.h was not properly generated during previous release, causing
109 compile errors on various platforms.
110 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
111 - removed duplicate definition of MAP_HUGETLB, that was found due to
112 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
113 - added (untested!) aio_fcntl, aio_ioctl requests.
114 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
115 as manpages-dev originally claimed.
116
1174.33 Mon Jan 18 12:50:10 CET 2016
118 - add IO::AIO::pipe2 function.
119 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
120 constants.
121 - added support for O_TMPFILE and O_PATH constants.
122 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
123 consdtants, whether they can be sensibly used or not.
124 - use NO_INIT where applicable.
125 - update libecb.
126 - added stability canary support.
127 - updated linux super magic table to 4.3.3.
128
1294.32 Wed Feb 11 20:32:11 CET 2015
130 - replace off_t by STRLEN where appropriate, should not result in
131 user-visible changes.
132 - update ecb.h for C11 compatibility.
133
1344.31 Tue Jun 3 03:29:27 CEST 2014
135 - work around more 5.20 bugs. backwards compatibility my ass.
136
1374.3 Fri Apr 11 06:22:38 CEST 2014
138 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
139 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
140 in 5.18. What's so attractive about giving a shit about backwards
141 compatibility - I will never understand.
142
1434.2 Sat Jan 25 01:13:14 CET 2014
144 - aio_group could corrupt memory because it didn't restore
145 the stack after req_submit.
146 - be more careful on (e.g. permission) errors in bin/treescan.
147 - work around changes in ExtUtils::MakeMaker.
148 - (libeio) implement aio_realpath for win32.
149 - (xthread) work around compile time bugs in ptw32.
150 - added IO::AIO::pipesize.
151 - (libecb) insignificant update.
152
1534.19 Sun Jan 6 12:47:26 CET 2013
154 - avoid endless loop in fiemap with some XFS files.
155 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
156 and call rename/rmdir instead of renameat/unlinkat.
157
1584.18 Thu Oct 11 07:01:26 CEST 2012
159 - fix unintended xthread_create by intentionalising it :)
160
1614.17 Thu Oct 11 05:19:47 CEST 2012
162 - rename aio_fallocate to aio_allocate, to match documentation.
163 - add list of linux fsid values to aio_statvfs docs.
164 - work around a bug in btrfs' FIEMAP ioctl implementation.
165 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
166 as per unix spec.
167
1684.16 Tue Aug 14 05:39:03 CEST 2012
169 - aio_statvfs was wromgly marked for wd emulation, causing
170 it to malfunction for paths.
171 - fix a crash in aio_fiemap, when used on ranges without any
172 extents.
173 - work around linux kernel bug (at least in 3.2): kernel might
174 trash fiemap input arguments.
175 - work around linux kernel bug (at least in 3.2): kernel does not
176 set FIEMAP_EXTENT_LAST on last segment.
177 - work around linux kernel bug (at least in 3.2): kernel silently
178 truncates segment count if a file.
179 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
180 to quick overview.
181 - splice can corrupt data.
182 - (libeio) remove pread/pwrite emulation.
183 - do not grow mmaped scalars in aio_read.
184 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
185 - provide pread/pwrite for win32, making it link again on native win32.
186
1874.15 Tue Apr 10 06:59:00 CEST 2012
188 - always include linux/types.h for fiemap, for compatibility to
189 ancient systems (Paul Howarth).
190 - experimental support for IO::AIO::splice and ::tee (no aio_...).
191 - provide SEEK_HOLE and SEEK_DATA, if available.
192 - work around (again!) an immensely stupid bug in RHEL, defining
193 autoconf macros in linux system headers (analysed by Paul Howarth).
194
1954.14 Sat Apr 7 02:45:18 CEST 2012
196 - fix stat structure usage on windows, which caused bogus stat results.
197 - (libeio) make readahead emulation behave more like actual readahead by never failing.
198 - new request aio_seek.
199 - new request aio_fiemap.
200 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
201
2024.12 Fri Dec 30 08:51:25 CET 2011
203 - realpath would return a random value if the name was too long,
204 instead of -1.
205 - port to c89.
206
2074.11 Mon Oct 10 00:24:11 CEST 2011
208 - libeio didn't compile on !linux (Paul Howarth).
209
2104.1 Sun Oct 9 10:24:11 CEST 2011
211 - IO::AIO did access uninitialised memory on unsuccessful stats.
212 - (libeio) added syncfs syscall wrapper.
213 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
214 - (libeio) support multiple indepenent working directories.
215 - applied speling corrections by Nicholas Bamber.
216 - tune treescan #threads and #outstanding requests a bit.
217 - reduce the number of file descriptors in use at any one time
218 in treescan, to avoid running out of them (and using too much ram).
219 - take advantage of working directoriy abstractions
220 in aio_scandir and treescan.
221 - reduce compiled size by ~10% by not inlining some key functionality.
222 - added --progress switch to treescan.
223
2244.0 Mon Jul 18 05:01:10 CEST 2011
225 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
226 see FORK BEHAVIOUR in manpage for details.
227 - passes testsuite on win32 now and may actually work
228 (activestate 5.10.1 / MSVC6, YMMV).
229 - (libeio) fix a deadlock where a wakeup signal could be missed when
230 a timeout occured at the same time.
231 - (libeio) added realpath.
232 - (libeio) added fallocate.
233 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
234 - (libeio) do not acquire any locks when forking.
235 - (libeio) use fewer time() syscalls when waiting for new requests.
236
2373.93 Wed Jun 29 23:44:18 CEST 2011
238 - ECB.H WAS MISSING.
239
2403.92 Wed Jun 29 14:45:41 CEST 2011
241 - ecb.h was missing.
242
2433.91 Wed Jun 29 13:24:42 CEST 2011
244 - (libeio) work around a Linux (and likely FreeBSD and other
245 kernels) bug where sendfile would not transfer all the requested
246 bytes on large transfers, using a heuristic.
247 - buggy sendfile caused aio_move/copy to sometimes fail for big
248 files (fortunately it checks that the whole file has been
249 transferred...)
250 - use libecb for higher performance and higher portability.
251 - (libeio) disable sendfile on darwin, it's too broken.
252 - disable fork tests on !linux, as only linux supports mixing
253 pthread and fork in perl.
254 - document the fact that fork doesn't work anymore when using
255 this module, on anything !GNU/Linux.
256 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
257 run on a 0.1MHz cpu. Or so.
258
2593.9 Fri May 27 02:43:47 CEST 2011
260 - (libeio) fix memory corruption in aio_readdirx for the flags
261 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
262 - add lots of newer POSIX and GNU/Linux-specific open
263 flags.
264
2653.8 Sun Mar 27 12:25:33 CEST 2011
266 - use nonstandard but maybe-working-on-bsd fork technique.
267 - support a max_idle value of 0.
268 - support setting of idle timeout value (IO::AIO::idle_timeout).
269
2703.72 Fri Feb 11 04:25:38 CET 2011
271 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
272 - aio_mknod always used a dev_t value of 0.
273 - new treescan option: --grep.
274 - add more S_IF macros, and major/minor/makedev "macros".
275
2763.71 Thu Dec 30 08:18:46 CET 2010
277 - the numerical result value passed to callbacks did not stringify
278 correctly, due to internal reuse and failure to reset the sv flags.
279 - actually test for posix_[mf]advise, as at least uClibc defines
280 _POSIX_ADVISORY_INFO without actually having any of the required
281 funcitonality. ugh.
282
2833.7 Mon Nov 1 23:00:34 CET 2010
284 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
285 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
286 - document the sad state of affairs w.r.t. pthread on many bsds.
287 - do not enable mmap on systems without _POSIX_MAPPED_FILES
288 (openbsd 4.8).
289 - do not leak memory in IO::AIO::mmap when the scalar already
290 had string-data.
291 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
292 them.
293 - cache the result IV, for a minor speedup in the common case.
294 - croak when an mmapped-scalar changes location, to detect
295 user-errors better.
296 - fix aio_readlink prototype.
297
2983.65 Wed Mar 31 02:45:05 CEST 2010
299 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
300 cut off long pathnames in aio_readlink (based on patch by
301 Rasmus Andersson).
302 - a double fork partially killed the event pipe (great testcase
303 by dormando). affects IO::AIO, BDB and Async::Interrupt.
304 - suck steve's dick and rename our symbols to avoid colliding
305 with nonstandard identifier spam on the broken os x pseudo-os.
306 affects IO::AIO and BDB.
307
3083.6 Mon Jan 11 00:43:39 CET 2010
309 - (libeio) more fixes for the freebsd/apple sendfile - broken by
310 manpage standards, but apparently correct accoridng to actual
311 kernel sources.
312 - add IO::AIO::mmap/munmap support.
313 - add IO::AIO::m(un)lockall support.
314 - clean up manpage.
315
3163.5 Thu Jan 7 21:25:04 CET 2010
317 - (liebio) fix freebsd sendfile (Vanilla Hsu).
318 - (libeio) also fix darwin sendfile that suffered from a similar bug.
319 - add aio_statvfs as interface to statvfs/fstatvfs.
320 - work around buggy symlink() on cygwin in the testsuite.
321 - wtf. freebsd-8.0 actually passes the testsuite! I knew
322 they could implement fork and semaphores one day! cheers!
323
3243.4 Sat Jan 2 15:13:04 CET 2010
325 - (libeio) max_poll_time was not properly converted to ticks.
326 - clarify cancel_subs description.
327 - IO::AIO::sendfile did not actually return the return value
328 from the sendfile call.
329 - implement aio_msync, aio_mtouch.
330 - (libeio) tentatively support darwin in sendfile.
331
3323.31 Thu Nov 12 02:14:29 CET 2009
333 - fix result status documentation of aio_copy, aio_move.
334 - speed up object creation considerably by avoiding
335 hash lookups.
336
3373.3 Wed Aug 5 13:52:58 CEST 2009
338 - use common::sense.
339 - use common schmorp.h header.
340 - allow integers (file descriptors) in addition to file handles.
341 - take advantage of linux' eventfd (but it seems slower on smp?).
342 - use poll not select on posix platforms.
343
3443.261 Wed Jul 1 10:11:51 CEST 2009
345 - more 0S X workarounds (patch by Tokuhiro Matsuno).
346
3473.26 Tue Jun 30 09:33:26 CEST 2009
348 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
349 try to work around this horribly broken OS in a somewhat hackish
350 way. might help other os's too.
351
3523.25 Sat Jun 27 05:18:26 CEST 2009
353 - added IO::AIO::fadvise and IO::AIO::sendfile.
354 - (libeio) replaced quicksort+insertion sort by a tuned radix
355 sort + insertion sort, resulting in comparable runtime (usually
356 faster) to the old version, but without any ill side effects on
357 degenerated (for quicksort) data.
358 - (libeio) correctly sort dirs by inodes if we have perfect type
359 knowledge and DIRS_FIRST is used.
360 - (libeio) internally the wrong DT_* constants were used, but no
361 known system has differing EIO_DT_*/DT_* values, so not an issue.
362 - removed a (harmless) assert that was left over on the code
363 but should not have been.
364 - use more correct types (change IO length from IV to VAL64,
365 which makes a difference on systems without 64 bit perls).
366
3673.23 Sat Jun 13 16:57:58 CEST 2009
368 - fix off-by-one bug in aio_readdir that was introduced in the
369 rushed 3.22 release.
8 370
93.22 Sat Jun 13 15:32:40 CEST 2009 3713.22 Sat Jun 13 15:32:40 CEST 2009
10 - speed up readdirx sort algorithm slightly. 372 - speed up readdirx sort algorithm slightly.
11 - bin/treescan was missing from distro tarball. 373 - bin/treescan was missing from distro tarball.
12 374

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