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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 1.406 by root, Tue Sep 6 10:56:11 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
494.78 Tue 06 Sep 2022 12:54:43 CEST
50 - add IO::AIO::mount and IO::AIO::umount.
51 - add a bunch of symbols from sys/mount.h.
52
534.77 Mon 05 Sep 2022 02:03:38 CEST
54 - add MFD_HUGETLB_2MB and MFD_HUGETLB_1GB constants.
55 - add fexecve.
56 - add lots of missing functions to @EXPORT_OK.
57
584.76 Tue Jul 27 20:45:01 CEST 2021
59 - add autoconf test for siginfo_t, which is, of course, not
60 available on windows (reported by Peter Petky).
61 - disable syscalls on solaris, as perl seems to provide an
62 incompatible syscall prototype that clashes with sys/syscall.h.
63 - add MAP_FIXED_NOREPLACE, MAP_SHARED_VALIDATE, MAP_SYNC and
64 MAP_UNINITIALIZED.
65
664.75 Wed Dec 30 08:44:55 CET 2020
67 - removed leftover debug output from treescan.
68 - added (but not documented) waitid-P_*, FSPICK_*, FSOPEN_*,
69 FSCONFIG_*, MOUNT_ATTR_* constants.
70
714.74 Tue Dec 29 16:19:28 CET 2020
72 - added pidfd_open, pidfd_getfd and pidfd_send_signal functions.
73 - rework bin/treescan to avoid recursion. This fixes two bugs
74 where a deep directory traversal or a lot of command line
75 arguments could cause it to crash.
76 - added (but not documented) open_tree, AT_* and move_mount flags.
77 - support defining syscall numbers in gendef0.
78
794.73 Fri Dec 4 02:08:37 CET 2020
80 - def0.h was not uptodate, running into musl problems
81 (reported by B Fraser).
82 - IO::AIO::splice and IO::AIO::tee didn't properly return
83 64 bit values.
84 - added IO::AIO::accept4.
85 - add various F_SEAL related fcntl constants.
86 - removed experimental marker for fdlimit functions.
87 - fiemap now includes the last segment even if it overflows
88 the end offset, which is arguably the correct behaviour.
89
904.72 Wed Apr 3 04:56:03 CEST 2019
91 - (libeio) if fd 0 is available do not use it for aio_wd, as it
92 collides with IO::AIO::CWD.
93 - added IO::AIO::memfd_create.
94 - correctly include <sys/uio.h> in the vmsplice test.
95 - reduce codesize by ~7% on amd64 by declaring more functions
96 as noinline.
97 - documentation fixes and updates.
98 - experimental and undocumented preliminary support for synchronous statx.
99
1004.71 Sun Mar 10 13:09:26 CET 2019
101 - due to an error in the linux manpages, the configure tests
102 for readahead, sync_file_range, splice etc. failed. This has been fixed.
103
1044.7 Mon Mar 4 11:28:13 CET 2019
105 - majorly speed up scandir for the very special case of a non-POSIX
106 filesystem that nevertheless reports valid dt_type information.
107 The only known filesystem of this type is currently btrfs, which
108 didn't get it's act together to implement POSIX semantics in all
109 these years, and I am tired of waiting.
110 - add IO::AIO::MCL_ONFAULT for mlockall, add IO::AIO::mlockall.
111 - neither sys/mkdev.h nor sys/sysmacros.h were included, even when they
112 were detected by autoconf.
113
1144.6 Sat Aug 25 21:58:36 CEST 2018
115 - add st_btime, st_btimesec, st_btimensec and st_gen accessors,
116 mostly for bsds which expose birthtime and st_gen members (netbsd, freebsd
117 but only st_gen on openbsd because they compiled their perl without support
118 for birthtimes).
119 - fix madvise and munlock to properly support negative offsets.
120 - allocate fd for the aio_close at boot time, to guarantee it working
121 later, rather than calling abort when it fails. also avoids
122 close-on-exec race issues after module load.
123 - #undef utime on win32, maybe this helps some reports of utime hangs.
124 - minor doc improvements.
125 - minor configure cleanups.
126 - use $Config{perllibs} instead of libs for configure. might help people
127 who didn't install all perl dependencies (might break things as well).
128
1294.54 Tue Aug 14 13:54:48 CEST 2018
130 - include sys/mkdev.h or sys/sysmacros.h if available.
131 - further tweaks to configure invocation for systems requiring --rpath.
132 - no longer rely on custom paths on win32 platforms.
133 - try to work around buggy PAGESIZE macro on solaris.
134
1354.53 Tue Aug 14 11:27:50 CEST 2018
136 - add $Config{libs} to LIBS for configure, to work around systems
137 with broken library dependencies (... openbsd).
138
1394.52 Sun Aug 12 08:09:45 CEST 2018
140 - config.h.in was missing in distribution.
141
1424.51 Sun Aug 12 07:24:14 CEST 2018
143 - complete rework of the autoconf framework: IO::AIO now uses its own
144 config.h, separate from libeio, and tries to test the actual perl
145 environment, not the standard system environment.
146 - provide nanosecond-accracy stat time accessors for both perl and IO::AIO
147 stat functions.
148 - removed non-portable C++ syntax from eio.c.
149 - try to fix readdir tests on cygwin spuriously failing.
150
1514.5 Wed Aug 1 00:23:55 CEST 2018
152 - aio_mtouch touch all pages as requested, not just the first page in most cases.
153 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
154 and MREMAP_FIXED.
155 - add O_ACCMODE.
156 - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants.
157
1584.4 Tue Feb 20 07:54:12 CET 2018
159 - new aio_slurp request.
160 - add (experimental) IO::AIO::eventfd and timerfd* function.
161 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
162 - point out that aio_copy overwrites existing files.
163 - removed filesystem magic number table from aio_statvfs docs as
164 statvfs doesn't actually return this info at all (statfs does).
165 - add a bunch of (mostly linux-specific) constants for use in ioctls
166 (see aio_ioctl docs).
167 - treescan now has a proper manpage and useful --help output.
168 - new option --sync in treescan, to sync everything in a subtree.
169 - changed default for aio_msync flags to MSYNC_SYNC.
170 - document offset/length behaviour of mprotect/madvise.
171 - support linux's renameat2 (via aio_rename2).
172 - add aio_rename2, an aio_rename with flags.
173 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
174 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
175 - (libeio) use posix_close if available.
176 - (libeio) internal close() calls no longer disturb errno.
177 - add IO:AIO::FALLOC_FL_UNSHARE.
178 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
179 and better eventfd detection.
180
1814.34 Sun May 1 19:18:24 CEST 2016
182 - def0.h was not properly generated during previous release, causing
183 compile errors on various platforms.
184 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
185 - removed duplicate definition of MAP_HUGETLB, that was found due to
186 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
187 - added (untested!) aio_fcntl, aio_ioctl requests.
188 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
189 as manpages-dev originally claimed.
190
1914.33 Mon Jan 18 12:50:10 CET 2016
192 - add IO::AIO::pipe2 function.
193 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
194 constants.
195 - added support for O_TMPFILE and O_PATH constants.
196 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
197 consdtants, whether they can be sensibly used or not.
198 - use NO_INIT where applicable.
199 - update libecb.
200 - added stability canary support.
201 - updated linux super magic table to 4.3.3.
202
2034.32 Wed Feb 11 20:32:11 CET 2015
204 - replace off_t by STRLEN where appropriate, should not result in
205 user-visible changes.
206 - update ecb.h for C11 compatibility.
207
2084.31 Tue Jun 3 03:29:27 CEST 2014
209 - work around more 5.20 bugs. backwards compatibility my ass.
210
2114.3 Fri Apr 11 06:22:38 CEST 2014
212 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
213 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
214 in 5.18. What's so attractive about giving a shit about backwards
215 compatibility - I will never understand.
216
2174.2 Sat Jan 25 01:13:14 CET 2014
218 - aio_group could corrupt memory because it didn't restore
219 the stack after req_submit.
220 - be more careful on (e.g. permission) errors in bin/treescan.
221 - work around changes in ExtUtils::MakeMaker.
222 - (libeio) implement aio_realpath for win32.
223 - (xthread) work around compile time bugs in ptw32.
224 - added IO::AIO::pipesize.
225 - (libecb) insignificant update.
226
2274.19 Sun Jan 6 12:47:26 CET 2013
228 - avoid endless loop in fiemap with some XFS files.
229 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
230 and call rename/rmdir instead of renameat/unlinkat.
231
2324.18 Thu Oct 11 07:01:26 CEST 2012
233 - fix unintended xthread_create by intentionalising it :)
234
2354.17 Thu Oct 11 05:19:47 CEST 2012
236 - rename aio_fallocate to aio_allocate, to match documentation.
237 - add list of linux fsid values to aio_statvfs docs.
238 - work around a bug in btrfs' FIEMAP ioctl implementation.
239 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
240 as per unix spec.
241
2424.16 Tue Aug 14 05:39:03 CEST 2012
243 - aio_statvfs was wromgly marked for wd emulation, causing
244 it to malfunction for paths.
245 - fix a crash in aio_fiemap, when used on ranges without any
246 extents.
247 - work around linux kernel bug (at least in 3.2): kernel might
248 trash fiemap input arguments.
249 - work around linux kernel bug (at least in 3.2): kernel does not
250 set FIEMAP_EXTENT_LAST on last segment.
251 - work around linux kernel bug (at least in 3.2): kernel silently
252 truncates segment count if a file.
253 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
254 to quick overview.
255 - splice can corrupt data.
256 - (libeio) remove pread/pwrite emulation.
257 - do not grow mmaped scalars in aio_read.
258 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
259 - provide pread/pwrite for win32, making it link again on native win32.
260
2614.15 Tue Apr 10 06:59:00 CEST 2012
262 - always include linux/types.h for fiemap, for compatibility to
263 ancient systems (Paul Howarth).
264 - experimental support for IO::AIO::splice and ::tee (no aio_...).
265 - provide SEEK_HOLE and SEEK_DATA, if available.
266 - work around (again!) an immensely stupid bug in RHEL, defining
267 autoconf macros in linux system headers (analysed by Paul Howarth).
268
2694.14 Sat Apr 7 02:45:18 CEST 2012
270 - fix stat structure usage on windows, which caused bogus stat results.
271 - (libeio) make readahead emulation behave more like actual readahead by never failing.
272 - new request aio_seek.
273 - new request aio_fiemap.
274 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
275
2764.12 Fri Dec 30 08:51:25 CET 2011
277 - realpath would return a random value if the name was too long,
278 instead of -1.
279 - port to c89.
280
2814.11 Mon Oct 10 00:24:11 CEST 2011
282 - libeio didn't compile on !linux (Paul Howarth).
283
2844.1 Sun Oct 9 10:24:11 CEST 2011
285 - IO::AIO did access uninitialised memory on unsuccessful stats.
286 - (libeio) added syncfs syscall wrapper.
287 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
288 - (libeio) support multiple indepenent working directories.
289 - applied speling corrections by Nicholas Bamber.
290 - tune treescan #threads and #outstanding requests a bit.
291 - reduce the number of file descriptors in use at any one time
292 in treescan, to avoid running out of them (and using too much ram).
293 - take advantage of working directoriy abstractions
294 in aio_scandir and treescan.
295 - reduce compiled size by ~10% by not inlining some key functionality.
296 - added --progress switch to treescan.
297
2984.0 Mon Jul 18 05:01:10 CEST 2011
299 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
300 see FORK BEHAVIOUR in manpage for details.
301 - passes testsuite on win32 now and may actually work
302 (activestate 5.10.1 / MSVC6, YMMV).
303 - (libeio) fix a deadlock where a wakeup signal could be missed when
304 a timeout occured at the same time.
305 - (libeio) added realpath.
306 - (libeio) added fallocate.
307 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
308 - (libeio) do not acquire any locks when forking.
309 - (libeio) use fewer time() syscalls when waiting for new requests.
310
3113.93 Wed Jun 29 23:44:18 CEST 2011
312 - ECB.H WAS MISSING.
313
3143.92 Wed Jun 29 14:45:41 CEST 2011
315 - ecb.h was missing.
316
3173.91 Wed Jun 29 13:24:42 CEST 2011
318 - (libeio) work around a Linux (and likely FreeBSD and other
319 kernels) bug where sendfile would not transfer all the requested
320 bytes on large transfers, using a heuristic.
321 - buggy sendfile caused aio_move/copy to sometimes fail for big
322 files (fortunately it checks that the whole file has been
323 transferred...)
324 - use libecb for higher performance and higher portability.
325 - (libeio) disable sendfile on darwin, it's too broken.
326 - disable fork tests on !linux, as only linux supports mixing
327 pthread and fork in perl.
328 - document the fact that fork doesn't work anymore when using
329 this module, on anything !GNU/Linux.
330 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
331 run on a 0.1MHz cpu. Or so.
332
3333.9 Fri May 27 02:43:47 CEST 2011
334 - (libeio) fix memory corruption in aio_readdirx for the flags
335 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
336 - add lots of newer POSIX and GNU/Linux-specific open
337 flags.
338
3393.8 Sun Mar 27 12:25:33 CEST 2011
340 - use nonstandard but maybe-working-on-bsd fork technique.
341 - support a max_idle value of 0.
342 - support setting of idle timeout value (IO::AIO::idle_timeout).
343
3443.72 Fri Feb 11 04:25:38 CET 2011
345 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
346 - aio_mknod always used a dev_t value of 0.
347 - new treescan option: --grep.
348 - add more S_IF macros, and major/minor/makedev "macros".
349
3503.71 Thu Dec 30 08:18:46 CET 2010
351 - the numerical result value passed to callbacks did not stringify
352 correctly, due to internal reuse and failure to reset the sv flags.
353 - actually test for posix_[mf]advise, as at least uClibc defines
354 _POSIX_ADVISORY_INFO without actually having any of the required
355 funcitonality. ugh.
356
3573.7 Mon Nov 1 23:00:34 CET 2010
358 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
359 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
360 - document the sad state of affairs w.r.t. pthread on many bsds.
361 - do not enable mmap on systems without _POSIX_MAPPED_FILES
362 (openbsd 4.8).
363 - do not leak memory in IO::AIO::mmap when the scalar already
364 had string-data.
365 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
366 them.
367 - cache the result IV, for a minor speedup in the common case.
368 - croak when an mmapped-scalar changes location, to detect
369 user-errors better.
370 - fix aio_readlink prototype.
371
3723.65 Wed Mar 31 02:45:05 CEST 2010
373 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
374 cut off long pathnames in aio_readlink (based on patch by
375 Rasmus Andersson).
376 - a double fork partially killed the event pipe (great testcase
377 by dormando). affects IO::AIO, BDB and Async::Interrupt.
378 - suck steve's dick and rename our symbols to avoid colliding
379 with nonstandard identifier spam on the broken os x pseudo-os.
380 affects IO::AIO and BDB.
381
3823.6 Mon Jan 11 00:43:39 CET 2010
383 - (libeio) more fixes for the freebsd/apple sendfile - broken by
384 manpage standards, but apparently correct accoridng to actual
385 kernel sources.
386 - add IO::AIO::mmap/munmap support.
387 - add IO::AIO::m(un)lockall support.
388 - clean up manpage.
389
3903.5 Thu Jan 7 21:25:04 CET 2010
391 - (liebio) fix freebsd sendfile (Vanilla Hsu).
392 - (libeio) also fix darwin sendfile that suffered from a similar bug.
393 - add aio_statvfs as interface to statvfs/fstatvfs.
394 - work around buggy symlink() on cygwin in the testsuite.
395 - wtf. freebsd-8.0 actually passes the testsuite! I knew
396 they could implement fork and semaphores one day! cheers!
397
3983.4 Sat Jan 2 15:13:04 CET 2010
399 - (libeio) max_poll_time was not properly converted to ticks.
400 - clarify cancel_subs description.
401 - IO::AIO::sendfile did not actually return the return value
402 from the sendfile call.
403 - implement aio_msync, aio_mtouch.
404 - (libeio) tentatively support darwin in sendfile.
405
4063.31 Thu Nov 12 02:14:29 CET 2009
407 - fix result status documentation of aio_copy, aio_move.
408 - speed up object creation considerably by avoiding
409 hash lookups.
410
4113.3 Wed Aug 5 13:52:58 CEST 2009
412 - use common::sense.
413 - use common schmorp.h header.
414 - allow integers (file descriptors) in addition to file handles.
415 - take advantage of linux' eventfd (but it seems slower on smp?).
416 - use poll not select on posix platforms.
417
4183.261 Wed Jul 1 10:11:51 CEST 2009
419 - more 0S X workarounds (patch by Tokuhiro Matsuno).
420
4213.26 Tue Jun 30 09:33:26 CEST 2009
422 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
423 try to work around this horribly broken OS in a somewhat hackish
424 way. might help other os's too.
425
4263.25 Sat Jun 27 05:18:26 CEST 2009
427 - added IO::AIO::fadvise and IO::AIO::sendfile.
428 - (libeio) replaced quicksort+insertion sort by a tuned radix
429 sort + insertion sort, resulting in comparable runtime (usually
430 faster) to the old version, but without any ill side effects on
431 degenerated (for quicksort) data.
432 - (libeio) correctly sort dirs by inodes if we have perfect type
433 knowledge and DIRS_FIRST is used.
434 - (libeio) internally the wrong DT_* constants were used, but no
435 known system has differing EIO_DT_*/DT_* values, so not an issue.
436 - removed a (harmless) assert that was left over on the code
437 but should not have been.
438 - use more correct types (change IO length from IV to VAL64,
439 which makes a difference on systems without 64 bit perls).
440
4413.23 Sat Jun 13 16:57:58 CEST 2009
442 - fix off-by-one bug in aio_readdir that was introduced in the
443 rushed 3.22 release.
8 444
93.22 Sat Jun 13 15:32:40 CEST 2009 4453.22 Sat Jun 13 15:32:40 CEST 2009
10 - speed up readdirx sort algorithm slightly. 446 - speed up readdirx sort algorithm slightly.
11 - bin/treescan was missing from distro tarball. 447 - bin/treescan was missing from distro tarball.
12 448

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