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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 1.408 by root, Sun Sep 25 16:35:51 2022 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: name_to_handle_At + open_by_handle_at = clone fds
20TODO: lchown
21TODO: ioprio_get/set
22
23TODO: rewrite rmtree et al. to support working directories (also speed them up)
24TODO: maybe IO::AIO leaks fds when requests are cancelled? maybe initialise result to -1?
25TODO: aio_wd should use O_PATH on linux, due to lacking O_SEARCH (http://comments.gmane.org/gmane.linux.file-systems/33611)
26 http://www.openwall.com/lists/musl/2013/02/23/4
27TODO: FIDEDUPERANGE, file_ioctl.c
28TODO: mincore
29TODO: SOCK_CLOEXEc etc.
30TODO: unlinkat flags, linkat flags, statat, renameat2 flags
31TODO: https://kernelnewbies.org/Linux_4.11
32TODO: define useful rules for [[$wd, $path], $path] &c and implement them
33TODO: https://github.com/coreutils/coreutils/blob/master/src/stat.c maybe IO::AIO::FSID
34TODO: mlock2, MLOCK_ONFAULT
35TODO: dup3, pipe2, accept4
36TODO: dump config.log when automated testign and configure fails
37TODO: ns time resolution in utime
38TODO: statx
39TODO: aio_fchdir/chdir? emulate chdirat?
40TODO: rt-4.0.18-20109-1573826674-1229.126277-5-0@rt.cpan.org
41TODO: aio_splice, aio_tee
42TODO: copy_file_range
43TODO: write more abpout the thread model, maybe bump some defaults?
44TODO: io_uring, but it's so broken :/
45TODO: allow import of fds as aio_wd
46TODO: close_range
47TODO: move_mount, open_tree, fsmount, fspick, fsconfig, fsopen https://lwn.net/Articles/759499/
48
49 - test for umount seperately, as it is more portable.
50
514.79 Sun 25 Sep 2022 18:25:53 CEST
52 - the autoconf result of the mount check was not used, so it failed to
53 compile on most systems (reported by crackoff@tutanota.com).
54 - work around fedora not having a working C compiler setup by design
55 (reported by Paul Howarth).
56
574.78 Tue 06 Sep 2022 12:54:43 CEST
58 - add IO::AIO::mount and IO::AIO::umount.
59 - add a bunch of symbols from sys/mount.h.
60
614.77 Mon 05 Sep 2022 02:03:38 CEST
62 - add MFD_HUGETLB_2MB and MFD_HUGETLB_1GB constants.
63 - add fexecve.
64 - add lots of missing functions to @EXPORT_OK.
65
664.76 Tue Jul 27 20:45:01 CEST 2021
67 - add autoconf test for siginfo_t, which is, of course, not
68 available on windows (reported by Peter Petky).
69 - disable syscalls on solaris, as perl seems to provide an
70 incompatible syscall prototype that clashes with sys/syscall.h.
71 - add MAP_FIXED_NOREPLACE, MAP_SHARED_VALIDATE, MAP_SYNC and
72 MAP_UNINITIALIZED.
73
744.75 Wed Dec 30 08:44:55 CET 2020
75 - removed leftover debug output from treescan.
76 - added (but not documented) waitid-P_*, FSPICK_*, FSOPEN_*,
77 FSCONFIG_*, MOUNT_ATTR_* constants.
78
794.74 Tue Dec 29 16:19:28 CET 2020
80 - added pidfd_open, pidfd_getfd and pidfd_send_signal functions.
81 - rework bin/treescan to avoid recursion. This fixes two bugs
82 where a deep directory traversal or a lot of command line
83 arguments could cause it to crash.
84 - added (but not documented) open_tree, AT_* and move_mount flags.
85 - support defining syscall numbers in gendef0.
86
874.73 Fri Dec 4 02:08:37 CET 2020
88 - def0.h was not uptodate, running into musl problems
89 (reported by B Fraser).
90 - IO::AIO::splice and IO::AIO::tee didn't properly return
91 64 bit values.
92 - added IO::AIO::accept4.
93 - add various F_SEAL related fcntl constants.
94 - removed experimental marker for fdlimit functions.
95 - fiemap now includes the last segment even if it overflows
96 the end offset, which is arguably the correct behaviour.
97
984.72 Wed Apr 3 04:56:03 CEST 2019
99 - (libeio) if fd 0 is available do not use it for aio_wd, as it
100 collides with IO::AIO::CWD.
101 - added IO::AIO::memfd_create.
102 - correctly include <sys/uio.h> in the vmsplice test.
103 - reduce codesize by ~7% on amd64 by declaring more functions
104 as noinline.
105 - documentation fixes and updates.
106 - experimental and undocumented preliminary support for synchronous statx.
107
1084.71 Sun Mar 10 13:09:26 CET 2019
109 - due to an error in the linux manpages, the configure tests
110 for readahead, sync_file_range, splice etc. failed. This has been fixed.
111
1124.7 Mon Mar 4 11:28:13 CET 2019
113 - majorly speed up scandir for the very special case of a non-POSIX
114 filesystem that nevertheless reports valid dt_type information.
115 The only known filesystem of this type is currently btrfs, which
116 didn't get it's act together to implement POSIX semantics in all
117 these years, and I am tired of waiting.
118 - add IO::AIO::MCL_ONFAULT for mlockall, add IO::AIO::mlockall.
119 - neither sys/mkdev.h nor sys/sysmacros.h were included, even when they
120 were detected by autoconf.
121
1224.6 Sat Aug 25 21:58:36 CEST 2018
123 - add st_btime, st_btimesec, st_btimensec and st_gen accessors,
124 mostly for bsds which expose birthtime and st_gen members (netbsd, freebsd
125 but only st_gen on openbsd because they compiled their perl without support
126 for birthtimes).
127 - fix madvise and munlock to properly support negative offsets.
128 - allocate fd for the aio_close at boot time, to guarantee it working
129 later, rather than calling abort when it fails. also avoids
130 close-on-exec race issues after module load.
131 - #undef utime on win32, maybe this helps some reports of utime hangs.
132 - minor doc improvements.
133 - minor configure cleanups.
134 - use $Config{perllibs} instead of libs for configure. might help people
135 who didn't install all perl dependencies (might break things as well).
136
1374.54 Tue Aug 14 13:54:48 CEST 2018
138 - include sys/mkdev.h or sys/sysmacros.h if available.
139 - further tweaks to configure invocation for systems requiring --rpath.
140 - no longer rely on custom paths on win32 platforms.
141 - try to work around buggy PAGESIZE macro on solaris.
142
1434.53 Tue Aug 14 11:27:50 CEST 2018
144 - add $Config{libs} to LIBS for configure, to work around systems
145 with broken library dependencies (... openbsd).
146
1474.52 Sun Aug 12 08:09:45 CEST 2018
148 - config.h.in was missing in distribution.
149
1504.51 Sun Aug 12 07:24:14 CEST 2018
151 - complete rework of the autoconf framework: IO::AIO now uses its own
152 config.h, separate from libeio, and tries to test the actual perl
153 environment, not the standard system environment.
154 - provide nanosecond-accracy stat time accessors for both perl and IO::AIO
155 stat functions.
156 - removed non-portable C++ syntax from eio.c.
157 - try to fix readdir tests on cygwin spuriously failing.
158
1594.5 Wed Aug 1 00:23:55 CEST 2018
160 - aio_mtouch touch all pages as requested, not just the first page in most cases.
161 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
162 and MREMAP_FIXED.
163 - add O_ACCMODE.
164 - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants.
165
1664.4 Tue Feb 20 07:54:12 CET 2018
167 - new aio_slurp request.
168 - add (experimental) IO::AIO::eventfd and timerfd* function.
169 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
170 - point out that aio_copy overwrites existing files.
171 - removed filesystem magic number table from aio_statvfs docs as
172 statvfs doesn't actually return this info at all (statfs does).
173 - add a bunch of (mostly linux-specific) constants for use in ioctls
174 (see aio_ioctl docs).
175 - treescan now has a proper manpage and useful --help output.
176 - new option --sync in treescan, to sync everything in a subtree.
177 - changed default for aio_msync flags to MSYNC_SYNC.
178 - document offset/length behaviour of mprotect/madvise.
179 - support linux's renameat2 (via aio_rename2).
180 - add aio_rename2, an aio_rename with flags.
181 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
182 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
183 - (libeio) use posix_close if available.
184 - (libeio) internal close() calls no longer disturb errno.
185 - add IO:AIO::FALLOC_FL_UNSHARE.
186 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
187 and better eventfd detection.
188
1894.34 Sun May 1 19:18:24 CEST 2016
190 - def0.h was not properly generated during previous release, causing
191 compile errors on various platforms.
192 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
193 - removed duplicate definition of MAP_HUGETLB, that was found due to
194 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
195 - added (untested!) aio_fcntl, aio_ioctl requests.
196 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
197 as manpages-dev originally claimed.
198
1994.33 Mon Jan 18 12:50:10 CET 2016
200 - add IO::AIO::pipe2 function.
201 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
202 constants.
203 - added support for O_TMPFILE and O_PATH constants.
204 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
205 consdtants, whether they can be sensibly used or not.
206 - use NO_INIT where applicable.
207 - update libecb.
208 - added stability canary support.
209 - updated linux super magic table to 4.3.3.
210
2114.32 Wed Feb 11 20:32:11 CET 2015
212 - replace off_t by STRLEN where appropriate, should not result in
213 user-visible changes.
214 - update ecb.h for C11 compatibility.
215
2164.31 Tue Jun 3 03:29:27 CEST 2014
217 - work around more 5.20 bugs. backwards compatibility my ass.
218
2194.3 Fri Apr 11 06:22:38 CEST 2014
220 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
221 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
222 in 5.18. What's so attractive about giving a shit about backwards
223 compatibility - I will never understand.
224
2254.2 Sat Jan 25 01:13:14 CET 2014
226 - aio_group could corrupt memory because it didn't restore
227 the stack after req_submit.
228 - be more careful on (e.g. permission) errors in bin/treescan.
229 - work around changes in ExtUtils::MakeMaker.
230 - (libeio) implement aio_realpath for win32.
231 - (xthread) work around compile time bugs in ptw32.
232 - added IO::AIO::pipesize.
233 - (libecb) insignificant update.
234
2354.19 Sun Jan 6 12:47:26 CET 2013
236 - avoid endless loop in fiemap with some XFS files.
237 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
238 and call rename/rmdir instead of renameat/unlinkat.
239
2404.18 Thu Oct 11 07:01:26 CEST 2012
241 - fix unintended xthread_create by intentionalising it :)
242
2434.17 Thu Oct 11 05:19:47 CEST 2012
244 - rename aio_fallocate to aio_allocate, to match documentation.
245 - add list of linux fsid values to aio_statvfs docs.
246 - work around a bug in btrfs' FIEMAP ioctl implementation.
247 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
248 as per unix spec.
249
2504.16 Tue Aug 14 05:39:03 CEST 2012
251 - aio_statvfs was wromgly marked for wd emulation, causing
252 it to malfunction for paths.
253 - fix a crash in aio_fiemap, when used on ranges without any
254 extents.
255 - work around linux kernel bug (at least in 3.2): kernel might
256 trash fiemap input arguments.
257 - work around linux kernel bug (at least in 3.2): kernel does not
258 set FIEMAP_EXTENT_LAST on last segment.
259 - work around linux kernel bug (at least in 3.2): kernel silently
260 truncates segment count if a file.
261 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
262 to quick overview.
263 - splice can corrupt data.
264 - (libeio) remove pread/pwrite emulation.
265 - do not grow mmaped scalars in aio_read.
266 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
267 - provide pread/pwrite for win32, making it link again on native win32.
268
2694.15 Tue Apr 10 06:59:00 CEST 2012
270 - always include linux/types.h for fiemap, for compatibility to
271 ancient systems (Paul Howarth).
272 - experimental support for IO::AIO::splice and ::tee (no aio_...).
273 - provide SEEK_HOLE and SEEK_DATA, if available.
274 - work around (again!) an immensely stupid bug in RHEL, defining
275 autoconf macros in linux system headers (analysed by Paul Howarth).
276
2774.14 Sat Apr 7 02:45:18 CEST 2012
278 - fix stat structure usage on windows, which caused bogus stat results.
279 - (libeio) make readahead emulation behave more like actual readahead by never failing.
280 - new request aio_seek.
281 - new request aio_fiemap.
282 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
283
2844.12 Fri Dec 30 08:51:25 CET 2011
285 - realpath would return a random value if the name was too long,
286 instead of -1.
287 - port to c89.
288
2894.11 Mon Oct 10 00:24:11 CEST 2011
290 - libeio didn't compile on !linux (Paul Howarth).
291
2924.1 Sun Oct 9 10:24:11 CEST 2011
293 - IO::AIO did access uninitialised memory on unsuccessful stats.
294 - (libeio) added syncfs syscall wrapper.
295 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
296 - (libeio) support multiple indepenent working directories.
297 - applied speling corrections by Nicholas Bamber.
298 - tune treescan #threads and #outstanding requests a bit.
299 - reduce the number of file descriptors in use at any one time
300 in treescan, to avoid running out of them (and using too much ram).
301 - take advantage of working directoriy abstractions
302 in aio_scandir and treescan.
303 - reduce compiled size by ~10% by not inlining some key functionality.
304 - added --progress switch to treescan.
305
3064.0 Mon Jul 18 05:01:10 CEST 2011
307 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
308 see FORK BEHAVIOUR in manpage for details.
309 - passes testsuite on win32 now and may actually work
310 (activestate 5.10.1 / MSVC6, YMMV).
311 - (libeio) fix a deadlock where a wakeup signal could be missed when
312 a timeout occured at the same time.
313 - (libeio) added realpath.
314 - (libeio) added fallocate.
315 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
316 - (libeio) do not acquire any locks when forking.
317 - (libeio) use fewer time() syscalls when waiting for new requests.
318
3193.93 Wed Jun 29 23:44:18 CEST 2011
320 - ECB.H WAS MISSING.
321
3223.92 Wed Jun 29 14:45:41 CEST 2011
323 - ecb.h was missing.
324
3253.91 Wed Jun 29 13:24:42 CEST 2011
326 - (libeio) work around a Linux (and likely FreeBSD and other
327 kernels) bug where sendfile would not transfer all the requested
328 bytes on large transfers, using a heuristic.
329 - buggy sendfile caused aio_move/copy to sometimes fail for big
330 files (fortunately it checks that the whole file has been
331 transferred...)
332 - use libecb for higher performance and higher portability.
333 - (libeio) disable sendfile on darwin, it's too broken.
334 - disable fork tests on !linux, as only linux supports mixing
335 pthread and fork in perl.
336 - document the fact that fork doesn't work anymore when using
337 this module, on anything !GNU/Linux.
338 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
339 run on a 0.1MHz cpu. Or so.
340
3413.9 Fri May 27 02:43:47 CEST 2011
342 - (libeio) fix memory corruption in aio_readdirx for the flags
343 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
344 - add lots of newer POSIX and GNU/Linux-specific open
345 flags.
346
3473.8 Sun Mar 27 12:25:33 CEST 2011
348 - use nonstandard but maybe-working-on-bsd fork technique.
349 - support a max_idle value of 0.
350 - support setting of idle timeout value (IO::AIO::idle_timeout).
351
3523.72 Fri Feb 11 04:25:38 CET 2011
353 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
354 - aio_mknod always used a dev_t value of 0.
355 - new treescan option: --grep.
356 - add more S_IF macros, and major/minor/makedev "macros".
357
3583.71 Thu Dec 30 08:18:46 CET 2010
359 - the numerical result value passed to callbacks did not stringify
360 correctly, due to internal reuse and failure to reset the sv flags.
361 - actually test for posix_[mf]advise, as at least uClibc defines
362 _POSIX_ADVISORY_INFO without actually having any of the required
363 funcitonality. ugh.
364
3653.7 Mon Nov 1 23:00:34 CET 2010
366 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
367 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
368 - document the sad state of affairs w.r.t. pthread on many bsds.
369 - do not enable mmap on systems without _POSIX_MAPPED_FILES
370 (openbsd 4.8).
371 - do not leak memory in IO::AIO::mmap when the scalar already
372 had string-data.
373 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
374 them.
375 - cache the result IV, for a minor speedup in the common case.
376 - croak when an mmapped-scalar changes location, to detect
377 user-errors better.
378 - fix aio_readlink prototype.
379
3803.65 Wed Mar 31 02:45:05 CEST 2010
381 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
382 cut off long pathnames in aio_readlink (based on patch by
383 Rasmus Andersson).
384 - a double fork partially killed the event pipe (great testcase
385 by dormando). affects IO::AIO, BDB and Async::Interrupt.
386 - suck steve's dick and rename our symbols to avoid colliding
387 with nonstandard identifier spam on the broken os x pseudo-os.
388 affects IO::AIO and BDB.
389
3903.6 Mon Jan 11 00:43:39 CET 2010
391 - (libeio) more fixes for the freebsd/apple sendfile - broken by
392 manpage standards, but apparently correct accoridng to actual
393 kernel sources.
394 - add IO::AIO::mmap/munmap support.
395 - add IO::AIO::m(un)lockall support.
396 - clean up manpage.
397
3983.5 Thu Jan 7 21:25:04 CET 2010
399 - (liebio) fix freebsd sendfile (Vanilla Hsu).
400 - (libeio) also fix darwin sendfile that suffered from a similar bug.
401 - add aio_statvfs as interface to statvfs/fstatvfs.
402 - work around buggy symlink() on cygwin in the testsuite.
403 - wtf. freebsd-8.0 actually passes the testsuite! I knew
404 they could implement fork and semaphores one day! cheers!
405
4063.4 Sat Jan 2 15:13:04 CET 2010
407 - (libeio) max_poll_time was not properly converted to ticks.
408 - clarify cancel_subs description.
409 - IO::AIO::sendfile did not actually return the return value
410 from the sendfile call.
411 - implement aio_msync, aio_mtouch.
412 - (libeio) tentatively support darwin in sendfile.
413
4143.31 Thu Nov 12 02:14:29 CET 2009
415 - fix result status documentation of aio_copy, aio_move.
416 - speed up object creation considerably by avoiding
417 hash lookups.
418
4193.3 Wed Aug 5 13:52:58 CEST 2009
420 - use common::sense.
421 - use common schmorp.h header.
422 - allow integers (file descriptors) in addition to file handles.
423 - take advantage of linux' eventfd (but it seems slower on smp?).
424 - use poll not select on posix platforms.
425
4263.261 Wed Jul 1 10:11:51 CEST 2009
427 - more 0S X workarounds (patch by Tokuhiro Matsuno).
428
4293.26 Tue Jun 30 09:33:26 CEST 2009
430 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
431 try to work around this horribly broken OS in a somewhat hackish
432 way. might help other os's too.
433
4343.25 Sat Jun 27 05:18:26 CEST 2009
435 - added IO::AIO::fadvise and IO::AIO::sendfile.
436 - (libeio) replaced quicksort+insertion sort by a tuned radix
437 sort + insertion sort, resulting in comparable runtime (usually
438 faster) to the old version, but without any ill side effects on
439 degenerated (for quicksort) data.
440 - (libeio) correctly sort dirs by inodes if we have perfect type
441 knowledge and DIRS_FIRST is used.
442 - (libeio) internally the wrong DT_* constants were used, but no
443 known system has differing EIO_DT_*/DT_* values, so not an issue.
444 - removed a (harmless) assert that was left over on the code
445 but should not have been.
446 - use more correct types (change IO length from IV to VAL64,
447 which makes a difference on systems without 64 bit perls).
448
4493.23 Sat Jun 13 16:57:58 CEST 2009
450 - fix off-by-one bug in aio_readdir that was introduced in the
451 rushed 3.22 release.
8 452
93.22 Sat Jun 13 15:32:40 CEST 2009 4533.22 Sat Jun 13 15:32:40 CEST 2009
10 - speed up readdirx sort algorithm slightly. 454 - speed up readdirx sort algorithm slightly.
11 - bin/treescan was missing from distro tarball. 455 - bin/treescan was missing from distro tarball.
12 456

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