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Comparing IO-AIO/Changes (file contents):
Revision 1.99 by root, Sun Oct 29 01:03:13 2006 UTC vs.
Revision 1.371 by root, Sat Aug 25 19:59:18 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_cp/mvtree/rmtree 4TODO: aio_cptree/mvtree
5TODO: aio_utime, aio_chmod, aio_chown? 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
23
24TODO: rewrite rmtree et al. to support working directories (also speed them up)
25TODO: maybe IO::AIO leaks fds when requests are cancelled? maybe initialise result to -1?
26TODO: aio_wd should use O_PATH on linux, due to lacking O_SEARCH (http://comments.gmane.org/gmane.linux.file-systems/33611)
27 http://www.openwall.com/lists/musl/2013/02/23/4
28TODO: maybe copy some hacks from PerlIOStdio_invalidate_fileno for faster close on certain platforms
29TODO: copy_file_range, copy_file_range
30TODO: FIDEDUPERANGE, file_ioctl.c
31TODO: mincore
32TODO: SOCK_CLOEXEc etc.
33TODO: unlinkat flags, linkat flags, statat, renameat2 flags
34TODO: https://kernelnewbies.org/Linux_4.11
35TODO: define useful rules for [[$wd, $path], $path] &c and implement them
36TODO: https://github.com/coreutils/coreutils/blob/master/src/stat.c maybe IO::AIO::FSID
37TODO: mlock2, MLOCK_ONFAULT
38TODO: dup3, pipe2, accept4
39TODO: dump config.log when automated testign and configure fails
40
414.6 Sat Aug 25 21:58:36 CEST 2018
42 - add st_btime, st_btimesec, st_btimensec and st_gen accessors,
43 mostly for bsds which expose birthtime and st_gen members (netbsd, freebsd
44 but only st_gen on openbsd because they compiled their perl without support
45 for birthtimes).
46 - fix madvise and munlock to properly support negative offsets.
47 - allocate fd for the aio_close at boot time, to guarantee it working
48 later, rather than calling abort when it fails. also avoids
49 close-on-exec race issues after module load.
50 - #undef utime on win32, maybe this helps some reports of utime hangs.
51 - minor doc improvements.
52 - minor configure cleanups.
53 - use $Config{perllibs} instead of libs for configure. might help people
54 who didn'T install all perl dependencies (might break things as well).
55
564.54 Tue Aug 14 13:54:48 CEST 2018
57 - include sys/mkdev.h or sys/sysmacros.h if available.
58 - further tweaks to configure invocation for systems requiring --rpath.
59 - no longer rely on custom paths on win32 platforms.
60 - try to work around buggy PAGESIZE macro on solaris.
61
624.53 Tue Aug 14 11:27:50 CEST 2018
63 - add $Config{libs} to LIBS for configure, to work around systems
64 with broken library dependencies (... openbsd).
65
664.52 Sun Aug 12 08:09:45 CEST 2018
67 - config.h.in was missing in distribution.
68
694.51 Sun Aug 12 07:24:14 CEST 2018
70 - complete rework of the autoconf framework: IO::AIO now uses its own
71 config.h, separate from libeio, and tries to test the actual perl
72 environment, not the standard system environment.
73 - provide nanosecond-accracy stat time accessors for both perl and IO::AIO
74 stat functions.
75 - removed non-portable C++ syntax from eio.c.
76 - try to fix readdir tests on cygwin spuriously failing.
77
784.5 Wed Aug 1 00:23:55 CEST 2018
79 - aio_mtouch touch all pages as requested, not just the first page in most cases.
80 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
81 and MREMAP_FIXED.
82 - add O_ACCMODE.
83 - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants.
84
854.4 Tue Feb 20 07:54:12 CET 2018
86 - new aio_slurp request.
87 - add (experimental) IO::AIO::eventfd and timerfd* function.
88 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
89 - point out that aio_copy overwrites existing files.
90 - removed filesystem magic number table from aio_statvfs docs as
91 statvfs doesn't actually return this info at all (statfs does).
92 - add a bunch of (mostly linux-specific) constants for use in ioctls
93 (see aio_ioctl docs).
94 - treescan now has a proper manpage and useful --help output.
95 - new option --sync in treescan, to sync everything in a subtree.
96 - changed default for aio_msync flags to MSYNC_SYNC.
97 - document offset/length behaviour of mprotect/madvise.
98 - support linux's renameat2 (via aio_rename2).
99 - add aio_rename2, an aio_rename with flags.
100 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
101 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
102 - (libeio) use posix_close if available.
103 - (libeio) internal close() calls no longer disturb errno.
104 - add IO:AIO::FALLOC_FL_UNSHARE.
105 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
106 and better eventfd detection.
107
1084.34 Sun May 1 19:18:24 CEST 2016
109 - def0.h was not properly generated during previous release, causing
110 compile errors on various platforms.
111 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
112 - removed duplicate definition of MAP_HUGETLB, that was found due to
113 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
114 - added (untested!) aio_fcntl, aio_ioctl requests.
115 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
116 as manpages-dev originally claimed.
117
1184.33 Mon Jan 18 12:50:10 CET 2016
119 - add IO::AIO::pipe2 function.
120 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
121 constants.
122 - added support for O_TMPFILE and O_PATH constants.
123 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
124 consdtants, whether they can be sensibly used or not.
125 - use NO_INIT where applicable.
126 - update libecb.
127 - added stability canary support.
128 - updated linux super magic table to 4.3.3.
129
1304.32 Wed Feb 11 20:32:11 CET 2015
131 - replace off_t by STRLEN where appropriate, should not result in
132 user-visible changes.
133 - update ecb.h for C11 compatibility.
134
1354.31 Tue Jun 3 03:29:27 CEST 2014
136 - work around more 5.20 bugs. backwards compatibility my ass.
137
1384.3 Fri Apr 11 06:22:38 CEST 2014
139 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
140 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
141 in 5.18. What's so attractive about giving a shit about backwards
142 compatibility - I will never understand.
143
1444.2 Sat Jan 25 01:13:14 CET 2014
145 - aio_group could corrupt memory because it didn't restore
146 the stack after req_submit.
147 - be more careful on (e.g. permission) errors in bin/treescan.
148 - work around changes in ExtUtils::MakeMaker.
149 - (libeio) implement aio_realpath for win32.
150 - (xthread) work around compile time bugs in ptw32.
151 - added IO::AIO::pipesize.
152 - (libecb) insignificant update.
153
1544.19 Sun Jan 6 12:47:26 CET 2013
155 - avoid endless loop in fiemap with some XFS files.
156 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
157 and call rename/rmdir instead of renameat/unlinkat.
158
1594.18 Thu Oct 11 07:01:26 CEST 2012
160 - fix unintended xthread_create by intentionalising it :)
161
1624.17 Thu Oct 11 05:19:47 CEST 2012
163 - rename aio_fallocate to aio_allocate, to match documentation.
164 - add list of linux fsid values to aio_statvfs docs.
165 - work around a bug in btrfs' FIEMAP ioctl implementation.
166 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
167 as per unix spec.
168
1694.16 Tue Aug 14 05:39:03 CEST 2012
170 - aio_statvfs was wromgly marked for wd emulation, causing
171 it to malfunction for paths.
172 - fix a crash in aio_fiemap, when used on ranges without any
173 extents.
174 - work around linux kernel bug (at least in 3.2): kernel might
175 trash fiemap input arguments.
176 - work around linux kernel bug (at least in 3.2): kernel does not
177 set FIEMAP_EXTENT_LAST on last segment.
178 - work around linux kernel bug (at least in 3.2): kernel silently
179 truncates segment count if a file.
180 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
181 to quick overview.
182 - splice can corrupt data.
183 - (libeio) remove pread/pwrite emulation.
184 - do not grow mmaped scalars in aio_read.
185 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
186 - provide pread/pwrite for win32, making it link again on native win32.
187
1884.15 Tue Apr 10 06:59:00 CEST 2012
189 - always include linux/types.h for fiemap, for compatibility to
190 ancient systems (Paul Howarth).
191 - experimental support for IO::AIO::splice and ::tee (no aio_...).
192 - provide SEEK_HOLE and SEEK_DATA, if available.
193 - work around (again!) an immensely stupid bug in RHEL, defining
194 autoconf macros in linux system headers (analysed by Paul Howarth).
195
1964.14 Sat Apr 7 02:45:18 CEST 2012
197 - fix stat structure usage on windows, which caused bogus stat results.
198 - (libeio) make readahead emulation behave more like actual readahead by never failing.
199 - new request aio_seek.
200 - new request aio_fiemap.
201 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
202
2034.12 Fri Dec 30 08:51:25 CET 2011
204 - realpath would return a random value if the name was too long,
205 instead of -1.
206 - port to c89.
207
2084.11 Mon Oct 10 00:24:11 CEST 2011
209 - libeio didn't compile on !linux (Paul Howarth).
210
2114.1 Sun Oct 9 10:24:11 CEST 2011
212 - IO::AIO did access uninitialised memory on unsuccessful stats.
213 - (libeio) added syncfs syscall wrapper.
214 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
215 - (libeio) support multiple indepenent working directories.
216 - applied speling corrections by Nicholas Bamber.
217 - tune treescan #threads and #outstanding requests a bit.
218 - reduce the number of file descriptors in use at any one time
219 in treescan, to avoid running out of them (and using too much ram).
220 - take advantage of working directoriy abstractions
221 in aio_scandir and treescan.
222 - reduce compiled size by ~10% by not inlining some key functionality.
223 - added --progress switch to treescan.
224
2254.0 Mon Jul 18 05:01:10 CEST 2011
226 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
227 see FORK BEHAVIOUR in manpage for details.
228 - passes testsuite on win32 now and may actually work
229 (activestate 5.10.1 / MSVC6, YMMV).
230 - (libeio) fix a deadlock where a wakeup signal could be missed when
231 a timeout occured at the same time.
232 - (libeio) added realpath.
233 - (libeio) added fallocate.
234 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
235 - (libeio) do not acquire any locks when forking.
236 - (libeio) use fewer time() syscalls when waiting for new requests.
237
2383.93 Wed Jun 29 23:44:18 CEST 2011
239 - ECB.H WAS MISSING.
240
2413.92 Wed Jun 29 14:45:41 CEST 2011
242 - ecb.h was missing.
243
2443.91 Wed Jun 29 13:24:42 CEST 2011
245 - (libeio) work around a Linux (and likely FreeBSD and other
246 kernels) bug where sendfile would not transfer all the requested
247 bytes on large transfers, using a heuristic.
248 - buggy sendfile caused aio_move/copy to sometimes fail for big
249 files (fortunately it checks that the whole file has been
250 transferred...)
251 - use libecb for higher performance and higher portability.
252 - (libeio) disable sendfile on darwin, it's too broken.
253 - disable fork tests on !linux, as only linux supports mixing
254 pthread and fork in perl.
255 - document the fact that fork doesn't work anymore when using
256 this module, on anything !GNU/Linux.
257 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
258 run on a 0.1MHz cpu. Or so.
259
2603.9 Fri May 27 02:43:47 CEST 2011
261 - (libeio) fix memory corruption in aio_readdirx for the flags
262 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
263 - add lots of newer POSIX and GNU/Linux-specific open
264 flags.
265
2663.8 Sun Mar 27 12:25:33 CEST 2011
267 - use nonstandard but maybe-working-on-bsd fork technique.
268 - support a max_idle value of 0.
269 - support setting of idle timeout value (IO::AIO::idle_timeout).
270
2713.72 Fri Feb 11 04:25:38 CET 2011
272 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
273 - aio_mknod always used a dev_t value of 0.
274 - new treescan option: --grep.
275 - add more S_IF macros, and major/minor/makedev "macros".
276
2773.71 Thu Dec 30 08:18:46 CET 2010
278 - the numerical result value passed to callbacks did not stringify
279 correctly, due to internal reuse and failure to reset the sv flags.
280 - actually test for posix_[mf]advise, as at least uClibc defines
281 _POSIX_ADVISORY_INFO without actually having any of the required
282 funcitonality. ugh.
283
2843.7 Mon Nov 1 23:00:34 CET 2010
285 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
286 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
287 - document the sad state of affairs w.r.t. pthread on many bsds.
288 - do not enable mmap on systems without _POSIX_MAPPED_FILES
289 (openbsd 4.8).
290 - do not leak memory in IO::AIO::mmap when the scalar already
291 had string-data.
292 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
293 them.
294 - cache the result IV, for a minor speedup in the common case.
295 - croak when an mmapped-scalar changes location, to detect
296 user-errors better.
297 - fix aio_readlink prototype.
298
2993.65 Wed Mar 31 02:45:05 CEST 2010
300 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
301 cut off long pathnames in aio_readlink (based on patch by
302 Rasmus Andersson).
303 - a double fork partially killed the event pipe (great testcase
304 by dormando). affects IO::AIO, BDB and Async::Interrupt.
305 - suck steve's dick and rename our symbols to avoid colliding
306 with nonstandard identifier spam on the broken os x pseudo-os.
307 affects IO::AIO and BDB.
308
3093.6 Mon Jan 11 00:43:39 CET 2010
310 - (libeio) more fixes for the freebsd/apple sendfile - broken by
311 manpage standards, but apparently correct accoridng to actual
312 kernel sources.
313 - add IO::AIO::mmap/munmap support.
314 - add IO::AIO::m(un)lockall support.
315 - clean up manpage.
316
3173.5 Thu Jan 7 21:25:04 CET 2010
318 - (liebio) fix freebsd sendfile (Vanilla Hsu).
319 - (libeio) also fix darwin sendfile that suffered from a similar bug.
320 - add aio_statvfs as interface to statvfs/fstatvfs.
321 - work around buggy symlink() on cygwin in the testsuite.
322 - wtf. freebsd-8.0 actually passes the testsuite! I knew
323 they could implement fork and semaphores one day! cheers!
324
3253.4 Sat Jan 2 15:13:04 CET 2010
326 - (libeio) max_poll_time was not properly converted to ticks.
327 - clarify cancel_subs description.
328 - IO::AIO::sendfile did not actually return the return value
329 from the sendfile call.
330 - implement aio_msync, aio_mtouch.
331 - (libeio) tentatively support darwin in sendfile.
332
3333.31 Thu Nov 12 02:14:29 CET 2009
334 - fix result status documentation of aio_copy, aio_move.
335 - speed up object creation considerably by avoiding
336 hash lookups.
337
3383.3 Wed Aug 5 13:52:58 CEST 2009
339 - use common::sense.
340 - use common schmorp.h header.
341 - allow integers (file descriptors) in addition to file handles.
342 - take advantage of linux' eventfd (but it seems slower on smp?).
343 - use poll not select on posix platforms.
344
3453.261 Wed Jul 1 10:11:51 CEST 2009
346 - more 0S X workarounds (patch by Tokuhiro Matsuno).
347
3483.26 Tue Jun 30 09:33:26 CEST 2009
349 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
350 try to work around this horribly broken OS in a somewhat hackish
351 way. might help other os's too.
352
3533.25 Sat Jun 27 05:18:26 CEST 2009
354 - added IO::AIO::fadvise and IO::AIO::sendfile.
355 - (libeio) replaced quicksort+insertion sort by a tuned radix
356 sort + insertion sort, resulting in comparable runtime (usually
357 faster) to the old version, but without any ill side effects on
358 degenerated (for quicksort) data.
359 - (libeio) correctly sort dirs by inodes if we have perfect type
360 knowledge and DIRS_FIRST is used.
361 - (libeio) internally the wrong DT_* constants were used, but no
362 known system has differing EIO_DT_*/DT_* values, so not an issue.
363 - removed a (harmless) assert that was left over on the code
364 but should not have been.
365 - use more correct types (change IO length from IV to VAL64,
366 which makes a difference on systems without 64 bit perls).
367
3683.23 Sat Jun 13 16:57:58 CEST 2009
369 - fix off-by-one bug in aio_readdir that was introduced in the
370 rushed 3.22 release.
371
3723.22 Sat Jun 13 15:32:40 CEST 2009
373 - speed up readdirx sort algorithm slightly.
374 - bin/treescan was missing from distro tarball.
375
3763.21 Fri Jun 12 18:45:53 CEST 2009
377 - new options --dirs and --files for treescan.
378 - install bin/treescan by default.
379 - (libeio) aio_readdir can now be cancelled while executing.
380 - fix a printf format string for 64 bit systems (could lead
381 to problems on big endian 64 bit systems).
382 - do not use qsort() but our own algorithm: glibc initialises
383 the whole locale and I/O subsystem inside qsort, causing
384 a stack overflow on 32 bit machines. The new sort uses much less
385 stack and is more than twice as fast in typical situations.
386
3873.2 Sun Jun 7 20:30:05 CEST 2009
388 - (libeio) pwrite emulation was even more flawed than intended and did
389 not restore the file offset.
390 - add aio_readdirx, which can return inode and filetype and sort
391 the names in various ways.
392 - unfortunately, utime, chmod, chown on an open file that has just
393 been written can easily block, which caused aio_copy to block the
394 process. no more!
395 - no longer rely on dst path in aio_copy when futime is available.
396
3973.19 Tue Apr 21 22:05:21 CEST 2009
398 - more perl 5.10 workarounds for aio_read and write.
399 - aio_write no longer modifies the sv (if possible).
400 - aio_read now works correctly with magic values.
401
4023.18 Sun Apr 19 21:17:32 CEST 2009
403 - better diagnostics when some aio_* functions get passed an illegal fh.
404 - try to avoid crashes due to incompatible 5.10 API changes. grmbl.
405
4063.17 Thu Nov 20 08:45:36 CET 2008
407 - (libeio) added aio_sync_file_range (untested).
408 - add aio_busy to @IO::AIO::AIO_REQ.
409
4103.16 Wed Oct 22 18:28:01 CEST 2008
411 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
412 part to improve portability to perl 5.8 (reported by szymon).
413
4143.15 Mon Oct 13 00:39:55 CEST 2008
415 - automatic removal of feeders was broken.
416 - (libeio) use a more robust method to detect whether a feeder
417 has added something to the group or not.
418
4193.1 Thu Oct 2 13:34:40 CEST 2008
420 - pre-deref the passed callback object, for increased speed
421 and decreased memory usage.
422 - call on_next_submit callback even for aio_group - impact unknown,
423 but seems more correct.
424 - $req->cb now returns the original callback.
425 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
426 requiring a thread switch.
427 - (libeio) status code of aio_futime and aio_utime was always passed 0.
428 - do some other ยต-optimisations.
429
4303.07 Sat Aug 2 16:06:13 CEST 2008
431 - do not include LIBS in autoconf tests.
432
4333.06 Tue Jul 15 12:41:32 CEST 2008
434 - move preadwritelock definition before it's first reference,
435 to make it compile again on broken platforms (they still exist)
436 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
437
4383.05 Thu Jun 19 23:23:52 CEST 2008
439 - work around perl overriding readdir etc. with thread-unsafe
440 (sic!) versions.
441
4423.04 Wed Jun 18 01:35:38 CEST 2008
443 - (libeio) fix eio_mknod, which confused it's arguments.
444 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
445 is stupid.
446 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
447 - (libeio) fix a bug that could potentially cause IO::AIO
448 not to get initialised properly.
449
4503.03 Thu May 29 05:33:30 CEST 2008
451 - (libeio) correctly call pthread_attr_destroy ().
452 - (libeio) work around broken bsd headers once more.
453 - reduce shared library size again by not including wrappers.
454 - max_outstanding could cause poll to enter a busy-waiting loop.
455 - document the new IO::AIO::poll_cb result value.
456
4573.02 Mon May 12 02:32:02 CEST 2008
458 - fix a memory leak on aio_readlink.
459 - bring back working fchmod.
460 - nop and busy now set result to 0.
461 - set errno to ENOMEM when allocation fails.
462
4633.01 Sun May 11 03:07:03 CEST 2008
464 - (libeio) make it compile on systems without readahead or readdir_r.
465 - (libeio) improve configure check for readahead availability.
466 - do not try to link against -lrt.
467 - use a separate configure script for IO::AIO (not the libeio one).
468
4693.0 Sun May 11 00:57:14 CEST 2008
470 - added bin/treescan to the distribution.
471 - switched to using libeio.
472 - LOTS OF INCOMPATIBLE CHANGES:
473 - remove signal functionality, it is not worth the effort.
474 - max_outstanding no longer returns the previous number of requests.
475 - poll_cb no longer returns number of requests.
476
4772.62 Sat Apr 26 13:59:33 CEST 2008
478 - port to solaris perls configured for old posix
479 (analysed by Jost Krieger).
480 - keep a reference to the perl filehandle object in aio_close,
481 so it doesn't get closed prematurely, leading to ugly races.
482
4832.61 Wed Apr 16 18:45:02 CEST 2008
484 - fix treescan output duplication and improve output ordering.
485 also display files given on the commandline.
486 - use a different algorithm for aio_close that is faster
487 and probably has even lower chances of blocking.
488 - do our own stack memory management for threads - linux
489 allocates outrageous amounts of VM (not so bad unless you
490 use mlockall...), which severely limits the number of threads
491 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
492 and 4096 * sizeof (long) (usually this is 16..64k).
493
4942.6 Sun Mar 30 08:28:11 CEST 2008
495 - added aio_sync.
496 - added aio_pathsync.
497 - fix prototypes of (void) functions.
498
4992.51 Sat Oct 6 16:04:54 CEST 2007
500 - perlio isn't generally threadsafe, so aio_close could not work reliably.
501 aio_close now tries a safe hack that might not be that asynchronous
502 (see the manpage for details).
503 - discard callback return values as to not grow the stack endlessly
504 when poll_cb handles many requests without returning.
505 - minor code cleanups.
506
5072.5 Thu Oct 4 14:49:08 CEST 2007
508 - replaced _fd2fh with faster xs code.
509 - aio_close will now try to do "the right thing" and thus might
510 work sensibly for the very first time.
511
5122.41 Mon Sep 24 21:28:21 CEST 2007
513 - after fork, invest some work to make sure that the poll_fileno
514 stays stable (by dup2'ing the new fd over the old one), to make
515 it easier for programs/libs that don't control their forking
516 behaviour and cannot recreate their watchers.
517
5182.4 Sun Aug 5 18:44:22 CEST 2007
519 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
520 successfully demonstrated that you can block on futimes...).
521 - allow undef as fileoffset for aio_read/write and use read/write(2)
522 internally (useful for sockets or O_APPEND handles).
523 - allow undef for length in aio_write.
524 - negative dataoffsets work as expected now in aio_read/aio_write.
525 - use NV instead of UV for 32 bit perls and file offsets, as NVs
526 have a larger range then.
527 - shared code between BDB and IO::AIO.
528 - aio_busy was completely broken. now fixed.
529 - readahead emulation now returns something.
530 - correctly set errno to ENOSYS on unimplemented functions
531 (should never happen, though).
532 - large changes to make it partially compile and run on win32,
533 but win32 lacks too much functionality, and perl overrides way
534 too many functions with crashing versions.
535
5362.33 Tue Jan 23 23:55:41 CET 2007
537 - fix install path (Andreas J. Koenig).
538
5392.32 Mon Jan 22 16:56:23 CET 2007
540 - added aio_rmtree.
541 - wow, aio_mkdir was missing.
542 - aio_load did return undef on error, not -1.
543 - use prefixexp not prefix in autoconf.pm
544 (suggested by ... rt.cpan.org unreachable).
545 - avoid installing autoconf.pm.
546
5472.31 Sat Jan 6 03:46:02 CET 2007
548 - added aio_load.
549
5502.3 Sat Dec 23 05:48:07 CET 2006
551 - fix off-by-one bug in aio_read, causing memory corruption
552 or crashes.
553
5542.21 Fri Dec 22 05:03:38 CET 2006
555 - minor doc updates.
556 - minor cleanups.
557 - IO::AIO::poll returns request count.
558 - undocumented and unfinished async-signal-reporting.
559
5602.2 Tue Oct 31 00:31:00 CET 2006
561 - minor doc updates.
562 - added aio_readlink.
563 - properly zero-terminate aio_read buffer.
564 - fix aio_read/write with nonzero dataoffset.
565 - reduced size of aio request structure.
566 - better diagnostics when pathnames etc. are not byte-encoded;
567 do not leak request in that case, either.
6 568
72.1 Sun Oct 29 02:01:57 CET 2006 5692.1 Sun Oct 29 02:01:57 CET 2006
8 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by 570 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by
9 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time. 571 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time.
10 - fix a bug in aio_move where it would fail everytime 572 - fix a bug in aio_move where it would fail everytime

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