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Comparing IO-AIO/Changes (file contents):
Revision 1.112 by root, Sun Dec 31 17:07:32 2006 UTC vs.
Revision 1.357 by root, Sun Jul 22 20:39:19 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/rmtree 4TODO: aio_cptree/mvtree
5TODO: aio_utime, aio_chmod, aio_chown? should simply stat/open first? 5TODO: vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
6TODO: reduce condvar fairness: schedule hot-cache-threads first? 6TODO: getxattr, setxattr, listxattr, removexattr etc.?
7TODO: fix setsig 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
8 23
92.31 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: copy_file_range, copy_file_range
29TODO: FIDEDUPERANGE, file_ioctl.c
30TODO: mincore
31TODO: SOCK_CLOEXEc etc.
32TODO: unlinkat flags, linkat flags, statat flags
33TODO: https://kernelnewbies.org/Linux_4.11
34TODO: define useful rules for [[$wd, $path], $path] &c and implement them
35TODO: https://github.com/coreutils/coreutils/blob/master/src/stat.c maybe IO::AIO::FSID
36TODO: mlock2, MLOCK_ONFAULT
37
38 - aio_mtouch touch all pages as requested, not just the first page in most cases.
39 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
40 and MREMAP_FIXED.
41 - add O_ACCMODE.
42
434.4 Tue Feb 20 07:54:12 CET 2018
44 - new aio_slurp request.
45 - add (experimental) IO::AIO::eventfd and timerfd* function.
46 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
47 - point out that aio_copy overwrites existing files.
48 - removed filesystem magic number table from aio_statvfs docs as
49 statvfs doesn't actually return this info at all (statfs does).
50 - add a bunch of (mostly linux-specific) constants for use in ioctls
51 (see aio_ioctl docs).
52 - treescan now has a proper manpage and useful --help output.
53 - new option --sync in treescan, to sync everything in a subtree.
54 - changed default for aio_msync flags to MSYNC_SYNC.
55 - document offset/length behaviour of mprotect/madvise.
56 - support linux's renameat2 (via aio_rename2).
57 - add aio_rename2, an aio_rename with flags.
58 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
59 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
60 - (libeio) use posix_close if available.
61 - (libeio) internal close() calls no longer disturb errno.
62 - add IO:AIO::FALLOC_FL_UNSHARE.
63 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
64 and better eventfd detection.
65
664.34 Sun May 1 19:18:24 CEST 2016
67 - def0.h was not properly generated during previous release, causing
68 compile errors on various platforms.
69 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
70 - removed duplicate definition of MAP_HUGETLB, that was found due to
71 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
72 - added (untested!) aio_fcntl, aio_ioctl requests.
73 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
74 as manpages-dev originally claimed.
75
764.33 Mon Jan 18 12:50:10 CET 2016
77 - add IO::AIO::pipe2 function.
78 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
79 constants.
80 - added support for O_TMPFILE and O_PATH constants.
81 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
82 consdtants, whether they can be sensibly used or not.
83 - use NO_INIT where applicable.
84 - update libecb.
85 - added stability canary support.
86 - updated linux super magic table to 4.3.3.
87
884.32 Wed Feb 11 20:32:11 CET 2015
89 - replace off_t by STRLEN where appropriate, should not result in
90 user-visible changes.
91 - update ecb.h for C11 compatibility.
92
934.31 Tue Jun 3 03:29:27 CEST 2014
94 - work around more 5.20 bugs. backwards compatibility my ass.
95
964.3 Fri Apr 11 06:22:38 CEST 2014
97 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
98 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
99 in 5.18. What's so attractive about giving a shit about backwards
100 compatibility - I will never understand.
101
1024.2 Sat Jan 25 01:13:14 CET 2014
103 - aio_group could corrupt memory because it didn't restore
104 the stack after req_submit.
105 - be more careful on (e.g. permission) errors in bin/treescan.
106 - work around changes in ExtUtils::MakeMaker.
107 - (libeio) implement aio_realpath for win32.
108 - (xthread) work around compile time bugs in ptw32.
109 - added IO::AIO::pipesize.
110 - (libecb) insignificant update.
111
1124.19 Sun Jan 6 12:47:26 CET 2013
113 - avoid endless loop in fiemap with some XFS files.
114 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
115 and call rename/rmdir instead of renameat/unlinkat.
116
1174.18 Thu Oct 11 07:01:26 CEST 2012
118 - fix unintended xthread_create by intentionalising it :)
119
1204.17 Thu Oct 11 05:19:47 CEST 2012
121 - rename aio_fallocate to aio_allocate, to match documentation.
122 - add list of linux fsid values to aio_statvfs docs.
123 - work around a bug in btrfs' FIEMAP ioctl implementation.
124 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
125 as per unix spec.
126
1274.16 Tue Aug 14 05:39:03 CEST 2012
128 - aio_statvfs was wromgly marked for wd emulation, causing
129 it to malfunction for paths.
130 - fix a crash in aio_fiemap, when used on ranges without any
131 extents.
132 - work around linux kernel bug (at least in 3.2): kernel might
133 trash fiemap input arguments.
134 - work around linux kernel bug (at least in 3.2): kernel does not
135 set FIEMAP_EXTENT_LAST on last segment.
136 - work around linux kernel bug (at least in 3.2): kernel silently
137 truncates segment count if a file.
138 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
139 to quick overview.
140 - splice can corrupt data.
141 - (libeio) remove pread/pwrite emulation.
142 - do not grow mmaped scalars in aio_read.
143 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
144 - provide pread/pwrite for win32, making it link again on native win32.
145
1464.15 Tue Apr 10 06:59:00 CEST 2012
147 - always include linux/types.h for fiemap, for compatibility to
148 ancient systems (Paul Howarth).
149 - experimental support for IO::AIO::splice and ::tee (no aio_...).
150 - provide SEEK_HOLE and SEEK_DATA, if available.
151 - work around (again!) an immensely stupid bug in RHEL, defining
152 autoconf macros in linux system headers (analysed by Paul Howarth).
153
1544.14 Sat Apr 7 02:45:18 CEST 2012
155 - fix stat structure usage on windows, which caused bogus stat results.
156 - (libeio) make readahead emulation behave more like actual readahead by never failing.
157 - new request aio_seek.
158 - new request aio_fiemap.
159 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
160
1614.12 Fri Dec 30 08:51:25 CET 2011
162 - realpath would return a random value if the name was too long,
163 instead of -1.
164 - port to c89.
165
1664.11 Mon Oct 10 00:24:11 CEST 2011
167 - libeio didn't compile on !linux (Paul Howarth).
168
1694.1 Sun Oct 9 10:24:11 CEST 2011
170 - IO::AIO did access uninitialised memory on unsuccessful stats.
171 - (libeio) added syncfs syscall wrapper.
172 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
173 - (libeio) support multiple indepenent working directories.
174 - applied speling corrections by Nicholas Bamber.
175 - tune treescan #threads and #outstanding requests a bit.
176 - reduce the number of file descriptors in use at any one time
177 in treescan, to avoid running out of them (and using too much ram).
178 - take advantage of working directoriy abstractions
179 in aio_scandir and treescan.
180 - reduce compiled size by ~10% by not inlining some key functionality.
181 - added --progress switch to treescan.
182
1834.0 Mon Jul 18 05:01:10 CEST 2011
184 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
185 see FORK BEHAVIOUR in manpage for details.
186 - passes testsuite on win32 now and may actually work
187 (activestate 5.10.1 / MSVC6, YMMV).
188 - (libeio) fix a deadlock where a wakeup signal could be missed when
189 a timeout occured at the same time.
190 - (libeio) added realpath.
191 - (libeio) added fallocate.
192 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
193 - (libeio) do not acquire any locks when forking.
194 - (libeio) use fewer time() syscalls when waiting for new requests.
195
1963.93 Wed Jun 29 23:44:18 CEST 2011
197 - ECB.H WAS MISSING.
198
1993.92 Wed Jun 29 14:45:41 CEST 2011
200 - ecb.h was missing.
201
2023.91 Wed Jun 29 13:24:42 CEST 2011
203 - (libeio) work around a Linux (and likely FreeBSD and other
204 kernels) bug where sendfile would not transfer all the requested
205 bytes on large transfers, using a heuristic.
206 - buggy sendfile caused aio_move/copy to sometimes fail for big
207 files (fortunately it checks that the whole file has been
208 transferred...)
209 - use libecb for higher performance and higher portability.
210 - (libeio) disable sendfile on darwin, it's too broken.
211 - disable fork tests on !linux, as only linux supports mixing
212 pthread and fork in perl.
213 - document the fact that fork doesn't work anymore when using
214 this module, on anything !GNU/Linux.
215 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
216 run on a 0.1MHz cpu. Or so.
217
2183.9 Fri May 27 02:43:47 CEST 2011
219 - (libeio) fix memory corruption in aio_readdirx for the flags
220 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
221 - add lots of newer POSIX and GNU/Linux-specific open
222 flags.
223
2243.8 Sun Mar 27 12:25:33 CEST 2011
225 - use nonstandard but maybe-working-on-bsd fork technique.
226 - support a max_idle value of 0.
227 - support setting of idle timeout value (IO::AIO::idle_timeout).
228
2293.72 Fri Feb 11 04:25:38 CET 2011
230 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
231 - aio_mknod always used a dev_t value of 0.
232 - new treescan option: --grep.
233 - add more S_IF macros, and major/minor/makedev "macros".
234
2353.71 Thu Dec 30 08:18:46 CET 2010
236 - the numerical result value passed to callbacks did not stringify
237 correctly, due to internal reuse and failure to reset the sv flags.
238 - actually test for posix_[mf]advise, as at least uClibc defines
239 _POSIX_ADVISORY_INFO without actually having any of the required
240 funcitonality. ugh.
241
2423.7 Mon Nov 1 23:00:34 CET 2010
243 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
244 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
245 - document the sad state of affairs w.r.t. pthread on many bsds.
246 - do not enable mmap on systems without _POSIX_MAPPED_FILES
247 (openbsd 4.8).
248 - do not leak memory in IO::AIO::mmap when the scalar already
249 had string-data.
250 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
251 them.
252 - cache the result IV, for a minor speedup in the common case.
253 - croak when an mmapped-scalar changes location, to detect
254 user-errors better.
255 - fix aio_readlink prototype.
256
2573.65 Wed Mar 31 02:45:05 CEST 2010
258 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
259 cut off long pathnames in aio_readlink (based on patch by
260 Rasmus Andersson).
261 - a double fork partially killed the event pipe (great testcase
262 by dormando). affects IO::AIO, BDB and Async::Interrupt.
263 - suck steve's dick and rename our symbols to avoid colliding
264 with nonstandard identifier spam on the broken os x pseudo-os.
265 affects IO::AIO and BDB.
266
2673.6 Mon Jan 11 00:43:39 CET 2010
268 - (libeio) more fixes for the freebsd/apple sendfile - broken by
269 manpage standards, but apparently correct accoridng to actual
270 kernel sources.
271 - add IO::AIO::mmap/munmap support.
272 - add IO::AIO::m(un)lockall support.
273 - clean up manpage.
274
2753.5 Thu Jan 7 21:25:04 CET 2010
276 - (liebio) fix freebsd sendfile (Vanilla Hsu).
277 - (libeio) also fix darwin sendfile that suffered from a similar bug.
278 - add aio_statvfs as interface to statvfs/fstatvfs.
279 - work around buggy symlink() on cygwin in the testsuite.
280 - wtf. freebsd-8.0 actually passes the testsuite! I knew
281 they could implement fork and semaphores one day! cheers!
282
2833.4 Sat Jan 2 15:13:04 CET 2010
284 - (libeio) max_poll_time was not properly converted to ticks.
285 - clarify cancel_subs description.
286 - IO::AIO::sendfile did not actually return the return value
287 from the sendfile call.
288 - implement aio_msync, aio_mtouch.
289 - (libeio) tentatively support darwin in sendfile.
290
2913.31 Thu Nov 12 02:14:29 CET 2009
292 - fix result status documentation of aio_copy, aio_move.
293 - speed up object creation considerably by avoiding
294 hash lookups.
295
2963.3 Wed Aug 5 13:52:58 CEST 2009
297 - use common::sense.
298 - use common schmorp.h header.
299 - allow integers (file descriptors) in addition to file handles.
300 - take advantage of linux' eventfd (but it seems slower on smp?).
301 - use poll not select on posix platforms.
302
3033.261 Wed Jul 1 10:11:51 CEST 2009
304 - more 0S X workarounds (patch by Tokuhiro Matsuno).
305
3063.26 Tue Jun 30 09:33:26 CEST 2009
307 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
308 try to work around this horribly broken OS in a somewhat hackish
309 way. might help other os's too.
310
3113.25 Sat Jun 27 05:18:26 CEST 2009
312 - added IO::AIO::fadvise and IO::AIO::sendfile.
313 - (libeio) replaced quicksort+insertion sort by a tuned radix
314 sort + insertion sort, resulting in comparable runtime (usually
315 faster) to the old version, but without any ill side effects on
316 degenerated (for quicksort) data.
317 - (libeio) correctly sort dirs by inodes if we have perfect type
318 knowledge and DIRS_FIRST is used.
319 - (libeio) internally the wrong DT_* constants were used, but no
320 known system has differing EIO_DT_*/DT_* values, so not an issue.
321 - removed a (harmless) assert that was left over on the code
322 but should not have been.
323 - use more correct types (change IO length from IV to VAL64,
324 which makes a difference on systems without 64 bit perls).
325
3263.23 Sat Jun 13 16:57:58 CEST 2009
327 - fix off-by-one bug in aio_readdir that was introduced in the
328 rushed 3.22 release.
329
3303.22 Sat Jun 13 15:32:40 CEST 2009
331 - speed up readdirx sort algorithm slightly.
332 - bin/treescan was missing from distro tarball.
333
3343.21 Fri Jun 12 18:45:53 CEST 2009
335 - new options --dirs and --files for treescan.
336 - install bin/treescan by default.
337 - (libeio) aio_readdir can now be cancelled while executing.
338 - fix a printf format string for 64 bit systems (could lead
339 to problems on big endian 64 bit systems).
340 - do not use qsort() but our own algorithm: glibc initialises
341 the whole locale and I/O subsystem inside qsort, causing
342 a stack overflow on 32 bit machines. The new sort uses much less
343 stack and is more than twice as fast in typical situations.
344
3453.2 Sun Jun 7 20:30:05 CEST 2009
346 - (libeio) pwrite emulation was even more flawed than intended and did
347 not restore the file offset.
348 - add aio_readdirx, which can return inode and filetype and sort
349 the names in various ways.
350 - unfortunately, utime, chmod, chown on an open file that has just
351 been written can easily block, which caused aio_copy to block the
352 process. no more!
353 - no longer rely on dst path in aio_copy when futime is available.
354
3553.19 Tue Apr 21 22:05:21 CEST 2009
356 - more perl 5.10 workarounds for aio_read and write.
357 - aio_write no longer modifies the sv (if possible).
358 - aio_read now works correctly with magic values.
359
3603.18 Sun Apr 19 21:17:32 CEST 2009
361 - better diagnostics when some aio_* functions get passed an illegal fh.
362 - try to avoid crashes due to incompatible 5.10 API changes. grmbl.
363
3643.17 Thu Nov 20 08:45:36 CET 2008
365 - (libeio) added aio_sync_file_range (untested).
366 - add aio_busy to @IO::AIO::AIO_REQ.
367
3683.16 Wed Oct 22 18:28:01 CEST 2008
369 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
370 part to improve portability to perl 5.8 (reported by szymon).
371
3723.15 Mon Oct 13 00:39:55 CEST 2008
373 - automatic removal of feeders was broken.
374 - (libeio) use a more robust method to detect whether a feeder
375 has added something to the group or not.
376
3773.1 Thu Oct 2 13:34:40 CEST 2008
378 - pre-deref the passed callback object, for increased speed
379 and decreased memory usage.
380 - call on_next_submit callback even for aio_group - impact unknown,
381 but seems more correct.
382 - $req->cb now returns the original callback.
383 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
384 requiring a thread switch.
385 - (libeio) status code of aio_futime and aio_utime was always passed 0.
386 - do some other ยต-optimisations.
387
3883.07 Sat Aug 2 16:06:13 CEST 2008
389 - do not include LIBS in autoconf tests.
390
3913.06 Tue Jul 15 12:41:32 CEST 2008
392 - move preadwritelock definition before it's first reference,
393 to make it compile again on broken platforms (they still exist)
394 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
395
3963.05 Thu Jun 19 23:23:52 CEST 2008
397 - work around perl overriding readdir etc. with thread-unsafe
398 (sic!) versions.
399
4003.04 Wed Jun 18 01:35:38 CEST 2008
401 - (libeio) fix eio_mknod, which confused it's arguments.
402 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
403 is stupid.
404 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
405 - (libeio) fix a bug that could potentially cause IO::AIO
406 not to get initialised properly.
407
4083.03 Thu May 29 05:33:30 CEST 2008
409 - (libeio) correctly call pthread_attr_destroy ().
410 - (libeio) work around broken bsd headers once more.
411 - reduce shared library size again by not including wrappers.
412 - max_outstanding could cause poll to enter a busy-waiting loop.
413 - document the new IO::AIO::poll_cb result value.
414
4153.02 Mon May 12 02:32:02 CEST 2008
416 - fix a memory leak on aio_readlink.
417 - bring back working fchmod.
418 - nop and busy now set result to 0.
419 - set errno to ENOMEM when allocation fails.
420
4213.01 Sun May 11 03:07:03 CEST 2008
422 - (libeio) make it compile on systems without readahead or readdir_r.
423 - (libeio) improve configure check for readahead availability.
424 - do not try to link against -lrt.
425 - use a separate configure script for IO::AIO (not the libeio one).
426
4273.0 Sun May 11 00:57:14 CEST 2008
428 - added bin/treescan to the distribution.
429 - switched to using libeio.
430 - LOTS OF INCOMPATIBLE CHANGES:
431 - remove signal functionality, it is not worth the effort.
432 - max_outstanding no longer returns the previous number of requests.
433 - poll_cb no longer returns number of requests.
434
4352.62 Sat Apr 26 13:59:33 CEST 2008
436 - port to solaris perls configured for old posix
437 (analysed by Jost Krieger).
438 - keep a reference to the perl filehandle object in aio_close,
439 so it doesn't get closed prematurely, leading to ugly races.
440
4412.61 Wed Apr 16 18:45:02 CEST 2008
442 - fix treescan output duplication and improve output ordering.
443 also display files given on the commandline.
444 - use a different algorithm for aio_close that is faster
445 and probably has even lower chances of blocking.
446 - do our own stack memory management for threads - linux
447 allocates outrageous amounts of VM (not so bad unless you
448 use mlockall...), which severely limits the number of threads
449 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
450 and 4096 * sizeof (long) (usually this is 16..64k).
451
4522.6 Sun Mar 30 08:28:11 CEST 2008
453 - added aio_sync.
454 - added aio_pathsync.
455 - fix prototypes of (void) functions.
456
4572.51 Sat Oct 6 16:04:54 CEST 2007
458 - perlio isn't generally threadsafe, so aio_close could not work reliably.
459 aio_close now tries a safe hack that might not be that asynchronous
460 (see the manpage for details).
461 - discard callback return values as to not grow the stack endlessly
462 when poll_cb handles many requests without returning.
463 - minor code cleanups.
464
4652.5 Thu Oct 4 14:49:08 CEST 2007
466 - replaced _fd2fh with faster xs code.
467 - aio_close will now try to do "the right thing" and thus might
468 work sensibly for the very first time.
469
4702.41 Mon Sep 24 21:28:21 CEST 2007
471 - after fork, invest some work to make sure that the poll_fileno
472 stays stable (by dup2'ing the new fd over the old one), to make
473 it easier for programs/libs that don't control their forking
474 behaviour and cannot recreate their watchers.
475
4762.4 Sun Aug 5 18:44:22 CEST 2007
477 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
478 successfully demonstrated that you can block on futimes...).
479 - allow undef as fileoffset for aio_read/write and use read/write(2)
480 internally (useful for sockets or O_APPEND handles).
481 - allow undef for length in aio_write.
482 - negative dataoffsets work as expected now in aio_read/aio_write.
483 - use NV instead of UV for 32 bit perls and file offsets, as NVs
484 have a larger range then.
485 - shared code between BDB and IO::AIO.
486 - aio_busy was completely broken. now fixed.
487 - readahead emulation now returns something.
488 - correctly set errno to ENOSYS on unimplemented functions
489 (should never happen, though).
490 - large changes to make it partially compile and run on win32,
491 but win32 lacks too much functionality, and perl overrides way
492 too many functions with crashing versions.
493
4942.33 Tue Jan 23 23:55:41 CET 2007
495 - fix install path (Andreas J. Koenig).
496
4972.32 Mon Jan 22 16:56:23 CET 2007
498 - added aio_rmtree.
499 - wow, aio_mkdir was missing.
500 - aio_load did return undef on error, not -1.
501 - use prefixexp not prefix in autoconf.pm
502 (suggested by ... rt.cpan.org unreachable).
503 - avoid installing autoconf.pm.
504
5052.31 Sat Jan 6 03:46:02 CET 2007
10 - added aio_load. 506 - added aio_load.
11 507
122.3 Sat Dec 23 05:48:07 CET 2006 5082.3 Sat Dec 23 05:48:07 CET 2006
13 - fix off-by-one bug in aio_read, causing memory corruption 509 - fix off-by-one bug in aio_read, causing memory corruption
14 or crashes. 510 or crashes.

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