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Comparing IO-AIO/Changes (file contents):
Revision 1.86 by root, Tue Oct 24 17:22:17 2006 UTC vs.
Revision 1.349 by root, Sat Feb 17 15:31:33 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
5TODO: vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
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
4 23
52.0 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
35
36 - new aio_slurp request.
37 - add a bunch of (mostly linux-specific) constants for use in ioctls
38 (see aio_ioctl docs).
39 - treescan now has a proper manpage and useful --help output.
40 - new option --sync in treescan, to sync everything in a subtree.
41 - changed default for aio_msync flags to MSYNC_SYNC.
42 - document offset/length behaviour of mprotect/madvise.
43 - support linux's renameat2 (via aio_rename2).
44 - add aio_rename2, an aio_rename with flags.
45 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
46 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
47 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
48 - point out that aio_copy overwrites existing files.
49 - (libeio) use posix_close if available.
50 - (libeio) internal close() calls no longer disturb errno.
51 - add IO:AIO::FALLOC_FL_UNSHARE.
52 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES.
53
544.34 Sun May 1 19:18:24 CEST 2016
55 - def0.h was not properly generated during previous release, causing
56 compile errors on various platforms.
57 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
58 - removed duplicate definition of MAP_HUGETLB, that was found due to
59 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
60 - added (untested!) aio_fcntl, aio_ioctl requests.
61 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
62 as manpages-dev originally claimed.
63
644.33 Mon Jan 18 12:50:10 CET 2016
65 - add IO::AIO::pipe2 function.
66 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
67 constants.
68 - added support for O_TMPFILE and O_PATH constants.
69 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
70 consdtants, whether they can be sensibly used or not.
71 - use NO_INIT where applicable.
72 - update libecb.
73 - added stability canary support.
74 - updated linux super magic table to 4.3.3.
75
764.32 Wed Feb 11 20:32:11 CET 2015
77 - replace off_t by STRLEN where appropriate, should not result in
78 user-visible changes.
79 - update ecb.h for C11 compatibility.
80
814.31 Tue Jun 3 03:29:27 CEST 2014
82 - work around more 5.20 bugs. backwards compatibility my ass.
83
844.3 Fri Apr 11 06:22:38 CEST 2014
85 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
86 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
87 in 5.18. What's so attractive about giving a shit about backwards
88 compatibility - I will never understand.
89
904.2 Sat Jan 25 01:13:14 CET 2014
91 - aio_group could corrupt memory because it didn't restore
92 the stack after req_submit.
93 - be more careful on (e.g. permission) errors in bin/treescan.
94 - work around changes in ExtUtils::MakeMaker.
95 - (libeio) implement aio_realpath for win32.
96 - (xthread) work around compile time bugs in ptw32.
97 - added IO::AIO::pipesize.
98 - (libecb) insignificant update.
99
1004.19 Sun Jan 6 12:47:26 CET 2013
101 - avoid endless loop in fiemap with some XFS files.
102 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
103 and call rename/rmdir instead of renameat/unlinkat.
104
1054.18 Thu Oct 11 07:01:26 CEST 2012
106 - fix unintended xthread_create by intentionalising it :)
107
1084.17 Thu Oct 11 05:19:47 CEST 2012
109 - rename aio_fallocate to aio_allocate, to match documentation.
110 - add list of linux fsid values to aio_statvfs docs.
111 - work around a bug in btrfs' FIEMAP ioctl implementation.
112 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
113 as per unix spec.
114
1154.16 Tue Aug 14 05:39:03 CEST 2012
116 - aio_statvfs was wromgly marked for wd emulation, causing
117 it to malfunction for paths.
118 - fix a crash in aio_fiemap, when used on ranges without any
119 extents.
120 - work around linux kernel bug (at least in 3.2): kernel might
121 trash fiemap input arguments.
122 - work around linux kernel bug (at least in 3.2): kernel does not
123 set FIEMAP_EXTENT_LAST on last segment.
124 - work around linux kernel bug (at least in 3.2): kernel silently
125 truncates segment count if a file.
126 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
127 to quick overview.
128 - splice can corrupt data.
129 - (libeio) remove pread/pwrite emulation.
130 - do not grow mmaped scalars in aio_read.
131 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
132 - provide pread/pwrite for win32, making it link again on native win32.
133
1344.15 Tue Apr 10 06:59:00 CEST 2012
135 - always include linux/types.h for fiemap, for compatibility to
136 ancient systems (Paul Howarth).
137 - experimental support for IO::AIO::splice and ::tee (no aio_...).
138 - provide SEEK_HOLE and SEEK_DATA, if available.
139 - work around (again!) an immensely stupid bug in RHEL, defining
140 autoconf macros in linux system headers (analysed by Paul Howarth).
141
1424.14 Sat Apr 7 02:45:18 CEST 2012
143 - fix stat structure usage on windows, which caused bogus stat results.
144 - (libeio) make readahead emulation behave more like actual readahead by never failing.
145 - new request aio_seek.
146 - new request aio_fiemap.
147 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
148
1494.12 Fri Dec 30 08:51:25 CET 2011
150 - realpath would return a random value if the name was too long,
151 instead of -1.
152 - port to c89.
153
1544.11 Mon Oct 10 00:24:11 CEST 2011
155 - libeio didn't compile on !linux (Paul Howarth).
156
1574.1 Sun Oct 9 10:24:11 CEST 2011
158 - IO::AIO did access uninitialised memory on unsuccessful stats.
159 - (libeio) added syncfs syscall wrapper.
160 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
161 - (libeio) support multiple indepenent working directories.
162 - applied speling corrections by Nicholas Bamber.
163 - tune treescan #threads and #outstanding requests a bit.
164 - reduce the number of file descriptors in use at any one time
165 in treescan, to avoid running out of them (and using too much ram).
166 - take advantage of working directoriy abstractions
167 in aio_scandir and treescan.
168 - reduce compiled size by ~10% by not inlining some key functionality.
169 - added --progress switch to treescan.
170
1714.0 Mon Jul 18 05:01:10 CEST 2011
172 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
173 see FORK BEHAVIOUR in manpage for details.
174 - passes testsuite on win32 now and may actually work
175 (activestate 5.10.1 / MSVC6, YMMV).
176 - (libeio) fix a deadlock where a wakeup signal could be missed when
177 a timeout occured at the same time.
178 - (libeio) added realpath.
179 - (libeio) added fallocate.
180 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
181 - (libeio) do not acquire any locks when forking.
182 - (libeio) use fewer time() syscalls when waiting for new requests.
183
1843.93 Wed Jun 29 23:44:18 CEST 2011
185 - ECB.H WAS MISSING.
186
1873.92 Wed Jun 29 14:45:41 CEST 2011
188 - ecb.h was missing.
189
1903.91 Wed Jun 29 13:24:42 CEST 2011
191 - (libeio) work around a Linux (and likely FreeBSD and other
192 kernels) bug where sendfile would not transfer all the requested
193 bytes on large transfers, using a heuristic.
194 - buggy sendfile caused aio_move/copy to sometimes fail for big
195 files (fortunately it checks that the whole file has been
196 transferred...)
197 - use libecb for higher performance and higher portability.
198 - (libeio) disable sendfile on darwin, it's too broken.
199 - disable fork tests on !linux, as only linux supports mixing
200 pthread and fork in perl.
201 - document the fact that fork doesn't work anymore when using
202 this module, on anything !GNU/Linux.
203 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
204 run on a 0.1MHz cpu. Or so.
205
2063.9 Fri May 27 02:43:47 CEST 2011
207 - (libeio) fix memory corruption in aio_readdirx for the flags
208 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
209 - add lots of newer POSIX and GNU/Linux-specific open
210 flags.
211
2123.8 Sun Mar 27 12:25:33 CEST 2011
213 - use nonstandard but maybe-working-on-bsd fork technique.
214 - support a max_idle value of 0.
215 - support setting of idle timeout value (IO::AIO::idle_timeout).
216
2173.72 Fri Feb 11 04:25:38 CET 2011
218 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
219 - aio_mknod always used a dev_t value of 0.
220 - new treescan option: --grep.
221 - add more S_IF macros, and major/minor/makedev "macros".
222
2233.71 Thu Dec 30 08:18:46 CET 2010
224 - the numerical result value passed to callbacks did not stringify
225 correctly, due to internal reuse and failure to reset the sv flags.
226 - actually test for posix_[mf]advise, as at least uClibc defines
227 _POSIX_ADVISORY_INFO without actually having any of the required
228 funcitonality. ugh.
229
2303.7 Mon Nov 1 23:00:34 CET 2010
231 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
232 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
233 - document the sad state of affairs w.r.t. pthread on many bsds.
234 - do not enable mmap on systems without _POSIX_MAPPED_FILES
235 (openbsd 4.8).
236 - do not leak memory in IO::AIO::mmap when the scalar already
237 had string-data.
238 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
239 them.
240 - cache the result IV, for a minor speedup in the common case.
241 - croak when an mmapped-scalar changes location, to detect
242 user-errors better.
243 - fix aio_readlink prototype.
244
2453.65 Wed Mar 31 02:45:05 CEST 2010
246 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
247 cut off long pathnames in aio_readlink (based on patch by
248 Rasmus Andersson).
249 - a double fork partially killed the event pipe (great testcase
250 by dormando). affects IO::AIO, BDB and Async::Interrupt.
251 - suck steve's dick and rename our symbols to avoid colliding
252 with nonstandard identifier spam on the broken os x pseudo-os.
253 affects IO::AIO and BDB.
254
2553.6 Mon Jan 11 00:43:39 CET 2010
256 - (libeio) more fixes for the freebsd/apple sendfile - broken by
257 manpage standards, but apparently correct accoridng to actual
258 kernel sources.
259 - add IO::AIO::mmap/munmap support.
260 - add IO::AIO::m(un)lockall support.
261 - clean up manpage.
262
2633.5 Thu Jan 7 21:25:04 CET 2010
264 - (liebio) fix freebsd sendfile (Vanilla Hsu).
265 - (libeio) also fix darwin sendfile that suffered from a similar bug.
266 - add aio_statvfs as interface to statvfs/fstatvfs.
267 - work around buggy symlink() on cygwin in the testsuite.
268 - wtf. freebsd-8.0 actually passes the testsuite! I knew
269 they could implement fork and semaphores one day! cheers!
270
2713.4 Sat Jan 2 15:13:04 CET 2010
272 - (libeio) max_poll_time was not properly converted to ticks.
273 - clarify cancel_subs description.
274 - IO::AIO::sendfile did not actually return the return value
275 from the sendfile call.
276 - implement aio_msync, aio_mtouch.
277 - (libeio) tentatively support darwin in sendfile.
278
2793.31 Thu Nov 12 02:14:29 CET 2009
280 - fix result status documentation of aio_copy, aio_move.
281 - speed up object creation considerably by avoiding
282 hash lookups.
283
2843.3 Wed Aug 5 13:52:58 CEST 2009
285 - use common::sense.
286 - use common schmorp.h header.
287 - allow integers (file descriptors) in addition to file handles.
288 - take advantage of linux' eventfd (but it seems slower on smp?).
289 - use poll not select on posix platforms.
290
2913.261 Wed Jul 1 10:11:51 CEST 2009
292 - more 0S X workarounds (patch by Tokuhiro Matsuno).
293
2943.26 Tue Jun 30 09:33:26 CEST 2009
295 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
296 try to work around this horribly broken OS in a somewhat hackish
297 way. might help other os's too.
298
2993.25 Sat Jun 27 05:18:26 CEST 2009
300 - added IO::AIO::fadvise and IO::AIO::sendfile.
301 - (libeio) replaced quicksort+insertion sort by a tuned radix
302 sort + insertion sort, resulting in comparable runtime (usually
303 faster) to the old version, but without any ill side effects on
304 degenerated (for quicksort) data.
305 - (libeio) correctly sort dirs by inodes if we have perfect type
306 knowledge and DIRS_FIRST is used.
307 - (libeio) internally the wrong DT_* constants were used, but no
308 known system has differing EIO_DT_*/DT_* values, so not an issue.
309 - removed a (harmless) assert that was left over on the code
310 but should not have been.
311 - use more correct types (change IO length from IV to VAL64,
312 which makes a difference on systems without 64 bit perls).
313
3143.23 Sat Jun 13 16:57:58 CEST 2009
315 - fix off-by-one bug in aio_readdir that was introduced in the
316 rushed 3.22 release.
317
3183.22 Sat Jun 13 15:32:40 CEST 2009
319 - speed up readdirx sort algorithm slightly.
320 - bin/treescan was missing from distro tarball.
321
3223.21 Fri Jun 12 18:45:53 CEST 2009
323 - new options --dirs and --files for treescan.
324 - install bin/treescan by default.
325 - (libeio) aio_readdir can now be cancelled while executing.
326 - fix a printf format string for 64 bit systems (could lead
327 to problems on big endian 64 bit systems).
328 - do not use qsort() but our own algorithm: glibc initialises
329 the whole locale and I/O subsystem inside qsort, causing
330 a stack overflow on 32 bit machines. The new sort uses much less
331 stack and is more than twice as fast in typical situations.
332
3333.2 Sun Jun 7 20:30:05 CEST 2009
334 - (libeio) pwrite emulation was even more flawed than intended and did
335 not restore the file offset.
336 - add aio_readdirx, which can return inode and filetype and sort
337 the names in various ways.
338 - unfortunately, utime, chmod, chown on an open file that has just
339 been written can easily block, which caused aio_copy to block the
340 process. no more!
341 - no longer rely on dst path in aio_copy when futime is available.
342
3433.19 Tue Apr 21 22:05:21 CEST 2009
344 - more perl 5.10 workarounds for aio_read and write.
345 - aio_write no longer modifies the sv (if possible).
346 - aio_read now works correctly with magic values.
347
3483.18 Sun Apr 19 21:17:32 CEST 2009
349 - better diagnostics when some aio_* functions get passed an illegal fh.
350 - try to avoid crashes due to incompatible 5.10 API changes. grmbl.
351
3523.17 Thu Nov 20 08:45:36 CET 2008
353 - (libeio) added aio_sync_file_range (untested).
354 - add aio_busy to @IO::AIO::AIO_REQ.
355
3563.16 Wed Oct 22 18:28:01 CEST 2008
357 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
358 part to improve portability to perl 5.8 (reported by szymon).
359
3603.15 Mon Oct 13 00:39:55 CEST 2008
361 - automatic removal of feeders was broken.
362 - (libeio) use a more robust method to detect whether a feeder
363 has added something to the group or not.
364
3653.1 Thu Oct 2 13:34:40 CEST 2008
366 - pre-deref the passed callback object, for increased speed
367 and decreased memory usage.
368 - call on_next_submit callback even for aio_group - impact unknown,
369 but seems more correct.
370 - $req->cb now returns the original callback.
371 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
372 requiring a thread switch.
373 - (libeio) status code of aio_futime and aio_utime was always passed 0.
374 - do some other ยต-optimisations.
375
3763.07 Sat Aug 2 16:06:13 CEST 2008
377 - do not include LIBS in autoconf tests.
378
3793.06 Tue Jul 15 12:41:32 CEST 2008
380 - move preadwritelock definition before it's first reference,
381 to make it compile again on broken platforms (they still exist)
382 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
383
3843.05 Thu Jun 19 23:23:52 CEST 2008
385 - work around perl overriding readdir etc. with thread-unsafe
386 (sic!) versions.
387
3883.04 Wed Jun 18 01:35:38 CEST 2008
389 - (libeio) fix eio_mknod, which confused it's arguments.
390 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
391 is stupid.
392 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
393 - (libeio) fix a bug that could potentially cause IO::AIO
394 not to get initialised properly.
395
3963.03 Thu May 29 05:33:30 CEST 2008
397 - (libeio) correctly call pthread_attr_destroy ().
398 - (libeio) work around broken bsd headers once more.
399 - reduce shared library size again by not including wrappers.
400 - max_outstanding could cause poll to enter a busy-waiting loop.
401 - document the new IO::AIO::poll_cb result value.
402
4033.02 Mon May 12 02:32:02 CEST 2008
404 - fix a memory leak on aio_readlink.
405 - bring back working fchmod.
406 - nop and busy now set result to 0.
407 - set errno to ENOMEM when allocation fails.
408
4093.01 Sun May 11 03:07:03 CEST 2008
410 - (libeio) make it compile on systems without readahead or readdir_r.
411 - (libeio) improve configure check for readahead availability.
412 - do not try to link against -lrt.
413 - use a separate configure script for IO::AIO (not the libeio one).
414
4153.0 Sun May 11 00:57:14 CEST 2008
416 - added bin/treescan to the distribution.
417 - switched to using libeio.
418 - LOTS OF INCOMPATIBLE CHANGES:
419 - remove signal functionality, it is not worth the effort.
420 - max_outstanding no longer returns the previous number of requests.
421 - poll_cb no longer returns number of requests.
422
4232.62 Sat Apr 26 13:59:33 CEST 2008
424 - port to solaris perls configured for old posix
425 (analysed by Jost Krieger).
426 - keep a reference to the perl filehandle object in aio_close,
427 so it doesn't get closed prematurely, leading to ugly races.
428
4292.61 Wed Apr 16 18:45:02 CEST 2008
430 - fix treescan output duplication and improve output ordering.
431 also display files given on the commandline.
432 - use a different algorithm for aio_close that is faster
433 and probably has even lower chances of blocking.
434 - do our own stack memory management for threads - linux
435 allocates outrageous amounts of VM (not so bad unless you
436 use mlockall...), which severely limits the number of threads
437 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
438 and 4096 * sizeof (long) (usually this is 16..64k).
439
4402.6 Sun Mar 30 08:28:11 CEST 2008
441 - added aio_sync.
442 - added aio_pathsync.
443 - fix prototypes of (void) functions.
444
4452.51 Sat Oct 6 16:04:54 CEST 2007
446 - perlio isn't generally threadsafe, so aio_close could not work reliably.
447 aio_close now tries a safe hack that might not be that asynchronous
448 (see the manpage for details).
449 - discard callback return values as to not grow the stack endlessly
450 when poll_cb handles many requests without returning.
451 - minor code cleanups.
452
4532.5 Thu Oct 4 14:49:08 CEST 2007
454 - replaced _fd2fh with faster xs code.
455 - aio_close will now try to do "the right thing" and thus might
456 work sensibly for the very first time.
457
4582.41 Mon Sep 24 21:28:21 CEST 2007
459 - after fork, invest some work to make sure that the poll_fileno
460 stays stable (by dup2'ing the new fd over the old one), to make
461 it easier for programs/libs that don't control their forking
462 behaviour and cannot recreate their watchers.
463
4642.4 Sun Aug 5 18:44:22 CEST 2007
465 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
466 successfully demonstrated that you can block on futimes...).
467 - allow undef as fileoffset for aio_read/write and use read/write(2)
468 internally (useful for sockets or O_APPEND handles).
469 - allow undef for length in aio_write.
470 - negative dataoffsets work as expected now in aio_read/aio_write.
471 - use NV instead of UV for 32 bit perls and file offsets, as NVs
472 have a larger range then.
473 - shared code between BDB and IO::AIO.
474 - aio_busy was completely broken. now fixed.
475 - readahead emulation now returns something.
476 - correctly set errno to ENOSYS on unimplemented functions
477 (should never happen, though).
478 - large changes to make it partially compile and run on win32,
479 but win32 lacks too much functionality, and perl overrides way
480 too many functions with crashing versions.
481
4822.33 Tue Jan 23 23:55:41 CET 2007
483 - fix install path (Andreas J. Koenig).
484
4852.32 Mon Jan 22 16:56:23 CET 2007
486 - added aio_rmtree.
487 - wow, aio_mkdir was missing.
488 - aio_load did return undef on error, not -1.
489 - use prefixexp not prefix in autoconf.pm
490 (suggested by ... rt.cpan.org unreachable).
491 - avoid installing autoconf.pm.
492
4932.31 Sat Jan 6 03:46:02 CET 2007
494 - added aio_load.
495
4962.3 Sat Dec 23 05:48:07 CET 2006
497 - fix off-by-one bug in aio_read, causing memory corruption
498 or crashes.
499
5002.21 Fri Dec 22 05:03:38 CET 2006
501 - minor doc updates.
502 - minor cleanups.
503 - IO::AIO::poll returns request count.
504 - undocumented and unfinished async-signal-reporting.
505
5062.2 Tue Oct 31 00:31:00 CET 2006
507 - minor doc updates.
508 - added aio_readlink.
509 - properly zero-terminate aio_read buffer.
510 - fix aio_read/write with nonzero dataoffset.
511 - reduced size of aio request structure.
512 - better diagnostics when pathnames etc. are not byte-encoded;
513 do not leak request in that case, either.
514
5152.1 Sun Oct 29 02:01:57 CET 2006
516 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by
517 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time.
518 - fix a bug in aio_move where it would fail everytime
519 it would have to copy files manually.
520 - doc updates.
521 - start threads only on (very low) demand.
522 - end superfluous threads automatically after 10s idling.
523 - add IO::AIO::max_idle to control this.
524 - some tuning applied to random places.
525 - add aio_mknod.
526
5272.0 Thu Oct 26 18:27:58 CEST 2006
528 - minor incompatibility: max_outstanding semantics have changed.
6 - major rewrite, consider all functionality EXPERIMENTAL. 529 - major rewrite, consider all functionality EXPERIMENTAL.
7 - aio requests can be cancelled. 530 - aio requests can be cancelled.
8 - callbacks can be (re-)set later. 531 - callbacks can be (re-)set later.
9 - aio requests can have choose 9 priorities. 532 - aio requests can choose between 9 priorities.
10 - add aio_group: aio requests can be grouped 533 - add aio_group: aio requests can be grouped
11 into composite requests. 534 into composite requests.
12 - generator interface for groups. 535 - generator interface for groups.
536 - add IO::AIO::poll_some.
13 - major documentation improvements. 537 - major documentation improvements.
14 - very minor bugfixes. 538 - very minor bugfixes.
15 - add aio_nop for dummy requests. 539 - add aio_nop for dummy requests.
16 - add aio_busy mainly for benchmarking and debugging. 540 - add aio_busy mainly for benchmarking and debugging.
17 - deprecated max_outstanding.
18 - use "fast" mutexes on linux. 541 - use "fast" mutexes on linux.
19 - use dynamic (and larger) buffers instead of 542 - use dynamic (and larger) buffers instead of
20 putting them onto the stack. 543 putting them onto the stack.
21 - optimise x86 and amd64 a bit. 544 - optimise x86 and amd64 a bit.
22 - better error checking when ENOMEM. 545 - better error checking when ENOMEM.
23 - hopefully fix mem and dirp leaks on fork. 546 - hopefully fix mem and dirp leaks on fork.
547 - warn about broken perl malloc.
548 - compiles on cygwin (but pread is broken on cygwin
549 which is not detected by autoconf, so you have to
550 edit autoconf/config.h yourself to enable emulation).
24 551
251.8 Sat Jun 24 22:20:44 CEST 2006 5521.8 Sat Jun 24 22:20:44 CEST 2006
26 - add and/or document aio_rename, aio_link, aio_symlink and aio_move. 553 - add and/or document aio_rename, aio_link, aio_symlink and aio_move.
27 554
281.73 Wed Mar 1 22:49:32 CET 2006 5551.73 Wed Mar 1 22:49:32 CET 2006
… …
62 - somebody nagged about C89 compatibility, so this release should 589 - somebody nagged about C89 compatibility, so this release should
63 be C89 compatible, but no guarantees for future ones. 590 be C89 compatible, but no guarantees for future ones.
64 - abort when the configure script fails. 591 - abort when the configure script fails.
65 592
661.4 Wed Aug 17 08:07:27 CEST 2005 5931.4 Wed Aug 17 08:07:27 CEST 2005
67 - forget to recreate the pipe after forking, this could cause 594 - forgot to recreate the pipe after forking, this could cause
68 deadlocks. 595 deadlocks.
69 596
701.3 Wed Aug 17 07:25:54 CEST 2005 5971.3 Wed Aug 17 07:25:54 CEST 2005
71 - properly propagate exceptions from callbacks, instead of silently 598 - properly propagate exceptions from callbacks, instead of silently
72 eating them. 599 eating them.

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