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Comparing IO-AIO/Changes (file contents):
Revision 1.41 by root, Thu Aug 18 16:32:10 2005 UTC vs.
Revision 1.397 by root, Wed Dec 30 07:45:33 2020 UTC

1Revision history for IO::AIO 1Revision history for IO::AIO
2 2
31.5 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: name_to_handle_At + open_by_handle_at = clone fds
20TODO: lchown
21TODO: mount/umount2/MS_* flags
22TODO: fsmount/fspick/fsconfig/fsmount et al. https://lwn.net/Articles/759499/
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: FIDEDUPERANGE, file_ioctl.c
29TODO: mincore
30TODO: SOCK_CLOEXEc etc.
31TODO: unlinkat flags, linkat flags, statat, renameat2 flags
32TODO: https://kernelnewbies.org/Linux_4.11
33TODO: define useful rules for [[$wd, $path], $path] &c and implement them
34TODO: https://github.com/coreutils/coreutils/blob/master/src/stat.c maybe IO::AIO::FSID
35TODO: mlock2, MLOCK_ONFAULT
36TODO: dup3, pipe2, accept4
37TODO: dump config.log when automated testign and configure fails
38TODO: ns time resolution in utime
39TODO: statx
40TODO: pidfd_open/pidfd_send_signal (open/poll /proc?)
41TODO: aio_fchdir/chdir? emulate chdirat?
42TODO: rt-4.0.18-20109-1573826674-1229.126277-5-0@rt.cpan.org
43TODO: aio_splice, aio_tee
44TODO: copy_file_range
45TODO: write more abpout the thread model, maybe bump some defaults?
46TODO: io_uring, but it's so broken :/
47TODO: allow import of fds as aio_wd
48TODO: close_range
49TODO: move_mount, open_tree
50
514.75 Wed Dec 30 08:44:55 CET 2020
52 - removed leftover debug output from treescan.
53 - added (but not documented) waitid-P_*, FSPICK_*, FSOPEN_*,
54 FSCONFIG_*, MOUNT_ATTR_* constants.
55
564.74 Tue Dec 29 16:19:28 CET 2020
57 - added pidfd_open, pidfd_getfd and pidfd_send_signal functions.
58 - rework bin/treescan to avoid recursion. This fixes two bugs
59 where a deep directory traversal or a lot of command line
60 arguments could cause it to crash.
61 - added (but not documented) open_tree, AT_* and move_mount flags.
62 - support defining syscall numbers in gendef0.
63
644.73 Fri Dec 4 02:08:37 CET 2020
65 - def0.h was not uptodate, running into musl problems
66 (reported by B Fraser).
67 - IO::AIO::splice and IO::AIO::tee didn't properly return
68 64 bit values.
69 - added IO::AIO::accept4.
70 - add various F_SEAL related fcntl constants.
71 - removed experimental marker for fdlimit functions.
72 - fiemap now includes the last segment even if it overflows
73 the end offset, which is arguably the correct behaviour.
74
754.72 Wed Apr 3 04:56:03 CEST 2019
76 - (libeio) if fd 0 is available do not use it for aio_wd, as it
77 collides with IO::AIO::CWD.
78 - added IO::AIO::memfd_create.
79 - correctly include <sys/uio.h> in the vmsplice test.
80 - reduce codesize by ~7% on amd64 by declaring more functions
81 as noinline.
82 - documentation fixes and updates.
83 - experimental and undocumented preliminary support for synchronous statx.
84
854.71 Sun Mar 10 13:09:26 CET 2019
86 - due to an error in the linux manpages, the configure tests
87 for readahead, sync_file_range, splice etc. failed. This has been fixed.
88
894.7 Mon Mar 4 11:28:13 CET 2019
90 - majorly speed up scandir for the very special case of a non-POSIX
91 filesystem that nevertheless reports valid dt_type information.
92 The only known filesystem of this type is currently btrfs, which
93 didn't get it's act together to implement POSIX semantics in all
94 these years, and I am tired of waiting.
95 - add IO::AIO::MCL_ONFAULT for mlockall, add IO::AIO::mlockall.
96 - neither sys/mkdev.h nor sys/sysmacros.h were included, even when they
97 were detected by autoconf.
98
994.6 Sat Aug 25 21:58:36 CEST 2018
100 - add st_btime, st_btimesec, st_btimensec and st_gen accessors,
101 mostly for bsds which expose birthtime and st_gen members (netbsd, freebsd
102 but only st_gen on openbsd because they compiled their perl without support
103 for birthtimes).
104 - fix madvise and munlock to properly support negative offsets.
105 - allocate fd for the aio_close at boot time, to guarantee it working
106 later, rather than calling abort when it fails. also avoids
107 close-on-exec race issues after module load.
108 - #undef utime on win32, maybe this helps some reports of utime hangs.
109 - minor doc improvements.
110 - minor configure cleanups.
111 - use $Config{perllibs} instead of libs for configure. might help people
112 who didn't install all perl dependencies (might break things as well).
113
1144.54 Tue Aug 14 13:54:48 CEST 2018
115 - include sys/mkdev.h or sys/sysmacros.h if available.
116 - further tweaks to configure invocation for systems requiring --rpath.
117 - no longer rely on custom paths on win32 platforms.
118 - try to work around buggy PAGESIZE macro on solaris.
119
1204.53 Tue Aug 14 11:27:50 CEST 2018
121 - add $Config{libs} to LIBS for configure, to work around systems
122 with broken library dependencies (... openbsd).
123
1244.52 Sun Aug 12 08:09:45 CEST 2018
125 - config.h.in was missing in distribution.
126
1274.51 Sun Aug 12 07:24:14 CEST 2018
128 - complete rework of the autoconf framework: IO::AIO now uses its own
129 config.h, separate from libeio, and tries to test the actual perl
130 environment, not the standard system environment.
131 - provide nanosecond-accracy stat time accessors for both perl and IO::AIO
132 stat functions.
133 - removed non-portable C++ syntax from eio.c.
134 - try to fix readdir tests on cygwin spuriously failing.
135
1364.5 Wed Aug 1 00:23:55 CEST 2018
137 - aio_mtouch touch all pages as requested, not just the first page in most cases.
138 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
139 and MREMAP_FIXED.
140 - add O_ACCMODE.
141 - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants.
142
1434.4 Tue Feb 20 07:54:12 CET 2018
144 - new aio_slurp request.
145 - add (experimental) IO::AIO::eventfd and timerfd* function.
146 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
147 - point out that aio_copy overwrites existing files.
148 - removed filesystem magic number table from aio_statvfs docs as
149 statvfs doesn't actually return this info at all (statfs does).
150 - add a bunch of (mostly linux-specific) constants for use in ioctls
151 (see aio_ioctl docs).
152 - treescan now has a proper manpage and useful --help output.
153 - new option --sync in treescan, to sync everything in a subtree.
154 - changed default for aio_msync flags to MSYNC_SYNC.
155 - document offset/length behaviour of mprotect/madvise.
156 - support linux's renameat2 (via aio_rename2).
157 - add aio_rename2, an aio_rename with flags.
158 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
159 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
160 - (libeio) use posix_close if available.
161 - (libeio) internal close() calls no longer disturb errno.
162 - add IO:AIO::FALLOC_FL_UNSHARE.
163 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
164 and better eventfd detection.
165
1664.34 Sun May 1 19:18:24 CEST 2016
167 - def0.h was not properly generated during previous release, causing
168 compile errors on various platforms.
169 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
170 - removed duplicate definition of MAP_HUGETLB, that was found due to
171 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
172 - added (untested!) aio_fcntl, aio_ioctl requests.
173 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
174 as manpages-dev originally claimed.
175
1764.33 Mon Jan 18 12:50:10 CET 2016
177 - add IO::AIO::pipe2 function.
178 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
179 constants.
180 - added support for O_TMPFILE and O_PATH constants.
181 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
182 consdtants, whether they can be sensibly used or not.
183 - use NO_INIT where applicable.
184 - update libecb.
185 - added stability canary support.
186 - updated linux super magic table to 4.3.3.
187
1884.32 Wed Feb 11 20:32:11 CET 2015
189 - replace off_t by STRLEN where appropriate, should not result in
190 user-visible changes.
191 - update ecb.h for C11 compatibility.
192
1934.31 Tue Jun 3 03:29:27 CEST 2014
194 - work around more 5.20 bugs. backwards compatibility my ass.
195
1964.3 Fri Apr 11 06:22:38 CEST 2014
197 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
198 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
199 in 5.18. What's so attractive about giving a shit about backwards
200 compatibility - I will never understand.
201
2024.2 Sat Jan 25 01:13:14 CET 2014
203 - aio_group could corrupt memory because it didn't restore
204 the stack after req_submit.
205 - be more careful on (e.g. permission) errors in bin/treescan.
206 - work around changes in ExtUtils::MakeMaker.
207 - (libeio) implement aio_realpath for win32.
208 - (xthread) work around compile time bugs in ptw32.
209 - added IO::AIO::pipesize.
210 - (libecb) insignificant update.
211
2124.19 Sun Jan 6 12:47:26 CET 2013
213 - avoid endless loop in fiemap with some XFS files.
214 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
215 and call rename/rmdir instead of renameat/unlinkat.
216
2174.18 Thu Oct 11 07:01:26 CEST 2012
218 - fix unintended xthread_create by intentionalising it :)
219
2204.17 Thu Oct 11 05:19:47 CEST 2012
221 - rename aio_fallocate to aio_allocate, to match documentation.
222 - add list of linux fsid values to aio_statvfs docs.
223 - work around a bug in btrfs' FIEMAP ioctl implementation.
224 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
225 as per unix spec.
226
2274.16 Tue Aug 14 05:39:03 CEST 2012
228 - aio_statvfs was wromgly marked for wd emulation, causing
229 it to malfunction for paths.
230 - fix a crash in aio_fiemap, when used on ranges without any
231 extents.
232 - work around linux kernel bug (at least in 3.2): kernel might
233 trash fiemap input arguments.
234 - work around linux kernel bug (at least in 3.2): kernel does not
235 set FIEMAP_EXTENT_LAST on last segment.
236 - work around linux kernel bug (at least in 3.2): kernel silently
237 truncates segment count if a file.
238 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
239 to quick overview.
240 - splice can corrupt data.
241 - (libeio) remove pread/pwrite emulation.
242 - do not grow mmaped scalars in aio_read.
243 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
244 - provide pread/pwrite for win32, making it link again on native win32.
245
2464.15 Tue Apr 10 06:59:00 CEST 2012
247 - always include linux/types.h for fiemap, for compatibility to
248 ancient systems (Paul Howarth).
249 - experimental support for IO::AIO::splice and ::tee (no aio_...).
250 - provide SEEK_HOLE and SEEK_DATA, if available.
251 - work around (again!) an immensely stupid bug in RHEL, defining
252 autoconf macros in linux system headers (analysed by Paul Howarth).
253
2544.14 Sat Apr 7 02:45:18 CEST 2012
255 - fix stat structure usage on windows, which caused bogus stat results.
256 - (libeio) make readahead emulation behave more like actual readahead by never failing.
257 - new request aio_seek.
258 - new request aio_fiemap.
259 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
260
2614.12 Fri Dec 30 08:51:25 CET 2011
262 - realpath would return a random value if the name was too long,
263 instead of -1.
264 - port to c89.
265
2664.11 Mon Oct 10 00:24:11 CEST 2011
267 - libeio didn't compile on !linux (Paul Howarth).
268
2694.1 Sun Oct 9 10:24:11 CEST 2011
270 - IO::AIO did access uninitialised memory on unsuccessful stats.
271 - (libeio) added syncfs syscall wrapper.
272 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
273 - (libeio) support multiple indepenent working directories.
274 - applied speling corrections by Nicholas Bamber.
275 - tune treescan #threads and #outstanding requests a bit.
276 - reduce the number of file descriptors in use at any one time
277 in treescan, to avoid running out of them (and using too much ram).
278 - take advantage of working directoriy abstractions
279 in aio_scandir and treescan.
280 - reduce compiled size by ~10% by not inlining some key functionality.
281 - added --progress switch to treescan.
282
2834.0 Mon Jul 18 05:01:10 CEST 2011
284 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
285 see FORK BEHAVIOUR in manpage for details.
286 - passes testsuite on win32 now and may actually work
287 (activestate 5.10.1 / MSVC6, YMMV).
288 - (libeio) fix a deadlock where a wakeup signal could be missed when
289 a timeout occured at the same time.
290 - (libeio) added realpath.
291 - (libeio) added fallocate.
292 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
293 - (libeio) do not acquire any locks when forking.
294 - (libeio) use fewer time() syscalls when waiting for new requests.
295
2963.93 Wed Jun 29 23:44:18 CEST 2011
297 - ECB.H WAS MISSING.
298
2993.92 Wed Jun 29 14:45:41 CEST 2011
300 - ecb.h was missing.
301
3023.91 Wed Jun 29 13:24:42 CEST 2011
303 - (libeio) work around a Linux (and likely FreeBSD and other
304 kernels) bug where sendfile would not transfer all the requested
305 bytes on large transfers, using a heuristic.
306 - buggy sendfile caused aio_move/copy to sometimes fail for big
307 files (fortunately it checks that the whole file has been
308 transferred...)
309 - use libecb for higher performance and higher portability.
310 - (libeio) disable sendfile on darwin, it's too broken.
311 - disable fork tests on !linux, as only linux supports mixing
312 pthread and fork in perl.
313 - document the fact that fork doesn't work anymore when using
314 this module, on anything !GNU/Linux.
315 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
316 run on a 0.1MHz cpu. Or so.
317
3183.9 Fri May 27 02:43:47 CEST 2011
319 - (libeio) fix memory corruption in aio_readdirx for the flags
320 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
321 - add lots of newer POSIX and GNU/Linux-specific open
322 flags.
323
3243.8 Sun Mar 27 12:25:33 CEST 2011
325 - use nonstandard but maybe-working-on-bsd fork technique.
326 - support a max_idle value of 0.
327 - support setting of idle timeout value (IO::AIO::idle_timeout).
328
3293.72 Fri Feb 11 04:25:38 CET 2011
330 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
331 - aio_mknod always used a dev_t value of 0.
332 - new treescan option: --grep.
333 - add more S_IF macros, and major/minor/makedev "macros".
334
3353.71 Thu Dec 30 08:18:46 CET 2010
336 - the numerical result value passed to callbacks did not stringify
337 correctly, due to internal reuse and failure to reset the sv flags.
338 - actually test for posix_[mf]advise, as at least uClibc defines
339 _POSIX_ADVISORY_INFO without actually having any of the required
340 funcitonality. ugh.
341
3423.7 Mon Nov 1 23:00:34 CET 2010
343 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
344 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
345 - document the sad state of affairs w.r.t. pthread on many bsds.
346 - do not enable mmap on systems without _POSIX_MAPPED_FILES
347 (openbsd 4.8).
348 - do not leak memory in IO::AIO::mmap when the scalar already
349 had string-data.
350 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
351 them.
352 - cache the result IV, for a minor speedup in the common case.
353 - croak when an mmapped-scalar changes location, to detect
354 user-errors better.
355 - fix aio_readlink prototype.
356
3573.65 Wed Mar 31 02:45:05 CEST 2010
358 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
359 cut off long pathnames in aio_readlink (based on patch by
360 Rasmus Andersson).
361 - a double fork partially killed the event pipe (great testcase
362 by dormando). affects IO::AIO, BDB and Async::Interrupt.
363 - suck steve's dick and rename our symbols to avoid colliding
364 with nonstandard identifier spam on the broken os x pseudo-os.
365 affects IO::AIO and BDB.
366
3673.6 Mon Jan 11 00:43:39 CET 2010
368 - (libeio) more fixes for the freebsd/apple sendfile - broken by
369 manpage standards, but apparently correct accoridng to actual
370 kernel sources.
371 - add IO::AIO::mmap/munmap support.
372 - add IO::AIO::m(un)lockall support.
373 - clean up manpage.
374
3753.5 Thu Jan 7 21:25:04 CET 2010
376 - (liebio) fix freebsd sendfile (Vanilla Hsu).
377 - (libeio) also fix darwin sendfile that suffered from a similar bug.
378 - add aio_statvfs as interface to statvfs/fstatvfs.
379 - work around buggy symlink() on cygwin in the testsuite.
380 - wtf. freebsd-8.0 actually passes the testsuite! I knew
381 they could implement fork and semaphores one day! cheers!
382
3833.4 Sat Jan 2 15:13:04 CET 2010
384 - (libeio) max_poll_time was not properly converted to ticks.
385 - clarify cancel_subs description.
386 - IO::AIO::sendfile did not actually return the return value
387 from the sendfile call.
388 - implement aio_msync, aio_mtouch.
389 - (libeio) tentatively support darwin in sendfile.
390
3913.31 Thu Nov 12 02:14:29 CET 2009
392 - fix result status documentation of aio_copy, aio_move.
393 - speed up object creation considerably by avoiding
394 hash lookups.
395
3963.3 Wed Aug 5 13:52:58 CEST 2009
397 - use common::sense.
398 - use common schmorp.h header.
399 - allow integers (file descriptors) in addition to file handles.
400 - take advantage of linux' eventfd (but it seems slower on smp?).
401 - use poll not select on posix platforms.
402
4033.261 Wed Jul 1 10:11:51 CEST 2009
404 - more 0S X workarounds (patch by Tokuhiro Matsuno).
405
4063.26 Tue Jun 30 09:33:26 CEST 2009
407 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
408 try to work around this horribly broken OS in a somewhat hackish
409 way. might help other os's too.
410
4113.25 Sat Jun 27 05:18:26 CEST 2009
412 - added IO::AIO::fadvise and IO::AIO::sendfile.
413 - (libeio) replaced quicksort+insertion sort by a tuned radix
414 sort + insertion sort, resulting in comparable runtime (usually
415 faster) to the old version, but without any ill side effects on
416 degenerated (for quicksort) data.
417 - (libeio) correctly sort dirs by inodes if we have perfect type
418 knowledge and DIRS_FIRST is used.
419 - (libeio) internally the wrong DT_* constants were used, but no
420 known system has differing EIO_DT_*/DT_* values, so not an issue.
421 - removed a (harmless) assert that was left over on the code
422 but should not have been.
423 - use more correct types (change IO length from IV to VAL64,
424 which makes a difference on systems without 64 bit perls).
425
4263.23 Sat Jun 13 16:57:58 CEST 2009
427 - fix off-by-one bug in aio_readdir that was introduced in the
428 rushed 3.22 release.
429
4303.22 Sat Jun 13 15:32:40 CEST 2009
431 - speed up readdirx sort algorithm slightly.
432 - bin/treescan was missing from distro tarball.
433
4343.21 Fri Jun 12 18:45:53 CEST 2009
435 - new options --dirs and --files for treescan.
436 - install bin/treescan by default.
437 - (libeio) aio_readdir can now be cancelled while executing.
438 - fix a printf format string for 64 bit systems (could lead
439 to problems on big endian 64 bit systems).
440 - do not use qsort() but our own algorithm: glibc initialises
441 the whole locale and I/O subsystem inside qsort, causing
442 a stack overflow on 32 bit machines. The new sort uses much less
443 stack and is more than twice as fast in typical situations.
444
4453.2 Sun Jun 7 20:30:05 CEST 2009
446 - (libeio) pwrite emulation was even more flawed than intended and did
447 not restore the file offset.
448 - add aio_readdirx, which can return inode and filetype and sort
449 the names in various ways.
450 - unfortunately, utime, chmod, chown on an open file that has just
451 been written can easily block, which caused aio_copy to block the
452 process. no more!
453 - no longer rely on dst path in aio_copy when futime is available.
454
4553.19 Tue Apr 21 22:05:21 CEST 2009
456 - more perl 5.10 workarounds for aio_read and write.
457 - aio_write no longer modifies the sv (if possible).
458 - aio_read now works correctly with magic values.
459
4603.18 Sun Apr 19 21:17:32 CEST 2009
461 - better diagnostics when some aio_* functions get passed an illegal fh.
462 - try to avoid crashes due to incompatible 5.10 API changes. grmbl.
463
4643.17 Thu Nov 20 08:45:36 CET 2008
465 - (libeio) added aio_sync_file_range (untested).
466 - add aio_busy to @IO::AIO::AIO_REQ.
467
4683.16 Wed Oct 22 18:28:01 CEST 2008
469 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
470 part to improve portability to perl 5.8 (reported by szymon).
471
4723.15 Mon Oct 13 00:39:55 CEST 2008
473 - automatic removal of feeders was broken.
474 - (libeio) use a more robust method to detect whether a feeder
475 has added something to the group or not.
476
4773.1 Thu Oct 2 13:34:40 CEST 2008
478 - pre-deref the passed callback object, for increased speed
479 and decreased memory usage.
480 - call on_next_submit callback even for aio_group - impact unknown,
481 but seems more correct.
482 - $req->cb now returns the original callback.
483 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
484 requiring a thread switch.
485 - (libeio) status code of aio_futime and aio_utime was always passed 0.
486 - do some other ยต-optimisations.
487
4883.07 Sat Aug 2 16:06:13 CEST 2008
489 - do not include LIBS in autoconf tests.
490
4913.06 Tue Jul 15 12:41:32 CEST 2008
492 - move preadwritelock definition before it's first reference,
493 to make it compile again on broken platforms (they still exist)
494 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
495
4963.05 Thu Jun 19 23:23:52 CEST 2008
497 - work around perl overriding readdir etc. with thread-unsafe
498 (sic!) versions.
499
5003.04 Wed Jun 18 01:35:38 CEST 2008
501 - (libeio) fix eio_mknod, which confused it's arguments.
502 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
503 is stupid.
504 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
505 - (libeio) fix a bug that could potentially cause IO::AIO
506 not to get initialised properly.
507
5083.03 Thu May 29 05:33:30 CEST 2008
509 - (libeio) correctly call pthread_attr_destroy ().
510 - (libeio) work around broken bsd headers once more.
511 - reduce shared library size again by not including wrappers.
512 - max_outstanding could cause poll to enter a busy-waiting loop.
513 - document the new IO::AIO::poll_cb result value.
514
5153.02 Mon May 12 02:32:02 CEST 2008
516 - fix a memory leak on aio_readlink.
517 - bring back working fchmod.
518 - nop and busy now set result to 0.
519 - set errno to ENOMEM when allocation fails.
520
5213.01 Sun May 11 03:07:03 CEST 2008
522 - (libeio) make it compile on systems without readahead or readdir_r.
523 - (libeio) improve configure check for readahead availability.
524 - do not try to link against -lrt.
525 - use a separate configure script for IO::AIO (not the libeio one).
526
5273.0 Sun May 11 00:57:14 CEST 2008
528 - added bin/treescan to the distribution.
529 - switched to using libeio.
530 - LOTS OF INCOMPATIBLE CHANGES:
531 - remove signal functionality, it is not worth the effort.
532 - max_outstanding no longer returns the previous number of requests.
533 - poll_cb no longer returns number of requests.
534
5352.62 Sat Apr 26 13:59:33 CEST 2008
536 - port to solaris perls configured for old posix
537 (analysed by Jost Krieger).
538 - keep a reference to the perl filehandle object in aio_close,
539 so it doesn't get closed prematurely, leading to ugly races.
540
5412.61 Wed Apr 16 18:45:02 CEST 2008
542 - fix treescan output duplication and improve output ordering.
543 also display files given on the commandline.
544 - use a different algorithm for aio_close that is faster
545 and probably has even lower chances of blocking.
546 - do our own stack memory management for threads - linux
547 allocates outrageous amounts of VM (not so bad unless you
548 use mlockall...), which severely limits the number of threads
549 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
550 and 4096 * sizeof (long) (usually this is 16..64k).
551
5522.6 Sun Mar 30 08:28:11 CEST 2008
553 - added aio_sync.
554 - added aio_pathsync.
555 - fix prototypes of (void) functions.
556
5572.51 Sat Oct 6 16:04:54 CEST 2007
558 - perlio isn't generally threadsafe, so aio_close could not work reliably.
559 aio_close now tries a safe hack that might not be that asynchronous
560 (see the manpage for details).
561 - discard callback return values as to not grow the stack endlessly
562 when poll_cb handles many requests without returning.
563 - minor code cleanups.
564
5652.5 Thu Oct 4 14:49:08 CEST 2007
566 - replaced _fd2fh with faster xs code.
567 - aio_close will now try to do "the right thing" and thus might
568 work sensibly for the very first time.
569
5702.41 Mon Sep 24 21:28:21 CEST 2007
571 - after fork, invest some work to make sure that the poll_fileno
572 stays stable (by dup2'ing the new fd over the old one), to make
573 it easier for programs/libs that don't control their forking
574 behaviour and cannot recreate their watchers.
575
5762.4 Sun Aug 5 18:44:22 CEST 2007
577 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
578 successfully demonstrated that you can block on futimes...).
579 - allow undef as fileoffset for aio_read/write and use read/write(2)
580 internally (useful for sockets or O_APPEND handles).
581 - allow undef for length in aio_write.
582 - negative dataoffsets work as expected now in aio_read/aio_write.
583 - use NV instead of UV for 32 bit perls and file offsets, as NVs
584 have a larger range then.
585 - shared code between BDB and IO::AIO.
586 - aio_busy was completely broken. now fixed.
587 - readahead emulation now returns something.
588 - correctly set errno to ENOSYS on unimplemented functions
589 (should never happen, though).
590 - large changes to make it partially compile and run on win32,
591 but win32 lacks too much functionality, and perl overrides way
592 too many functions with crashing versions.
593
5942.33 Tue Jan 23 23:55:41 CET 2007
595 - fix install path (Andreas J. Koenig).
596
5972.32 Mon Jan 22 16:56:23 CET 2007
598 - added aio_rmtree.
599 - wow, aio_mkdir was missing.
600 - aio_load did return undef on error, not -1.
601 - use prefixexp not prefix in autoconf.pm
602 (suggested by ... rt.cpan.org unreachable).
603 - avoid installing autoconf.pm.
604
6052.31 Sat Jan 6 03:46:02 CET 2007
606 - added aio_load.
607
6082.3 Sat Dec 23 05:48:07 CET 2006
609 - fix off-by-one bug in aio_read, causing memory corruption
610 or crashes.
611
6122.21 Fri Dec 22 05:03:38 CET 2006
613 - minor doc updates.
614 - minor cleanups.
615 - IO::AIO::poll returns request count.
616 - undocumented and unfinished async-signal-reporting.
617
6182.2 Tue Oct 31 00:31:00 CET 2006
619 - minor doc updates.
620 - added aio_readlink.
621 - properly zero-terminate aio_read buffer.
622 - fix aio_read/write with nonzero dataoffset.
623 - reduced size of aio request structure.
624 - better diagnostics when pathnames etc. are not byte-encoded;
625 do not leak request in that case, either.
626
6272.1 Sun Oct 29 02:01:57 CET 2006
628 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by
629 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time.
630 - fix a bug in aio_move where it would fail everytime
631 it would have to copy files manually.
632 - doc updates.
633 - start threads only on (very low) demand.
634 - end superfluous threads automatically after 10s idling.
635 - add IO::AIO::max_idle to control this.
636 - some tuning applied to random places.
637 - add aio_mknod.
638
6392.0 Thu Oct 26 18:27:58 CEST 2006
640 - minor incompatibility: max_outstanding semantics have changed.
641 - major rewrite, consider all functionality EXPERIMENTAL.
642 - aio requests can be cancelled.
643 - callbacks can be (re-)set later.
644 - aio requests can choose between 9 priorities.
645 - add aio_group: aio requests can be grouped
646 into composite requests.
647 - generator interface for groups.
648 - add IO::AIO::poll_some.
649 - major documentation improvements.
650 - very minor bugfixes.
651 - add aio_nop for dummy requests.
652 - add aio_busy mainly for benchmarking and debugging.
653 - use "fast" mutexes on linux.
654 - use dynamic (and larger) buffers instead of
655 putting them onto the stack.
656 - optimise x86 and amd64 a bit.
657 - better error checking when ENOMEM.
658 - hopefully fix mem and dirp leaks on fork.
659 - warn about broken perl malloc.
660 - compiles on cygwin (but pread is broken on cygwin
661 which is not detected by autoconf, so you have to
662 edit autoconf/config.h yourself to enable emulation).
663
6641.8 Sat Jun 24 22:20:44 CEST 2006
665 - add and/or document aio_rename, aio_link, aio_symlink and aio_move.
666
6671.73 Wed Mar 1 22:49:32 CET 2006
668 - codename "jost"
669 - AIX/Solaris(?) aren't being helpful again, hardcode a value
670 for NAME_MAX and drive with your eyes closed (reported by
671 wcooley@nakedape.cc).
672
6731.72 Thu Feb 2 00:40:44 CET 2006
674 - another minor bug in aio_scandir, again, the callback was called
675 twice when the directory can't be stat'ed.
676
6771.71 Mon Dec 26 20:20:03 CET 2005
678 - grr, another minor bug in aio_scandir, this time resulting
679 in a runtime error.
680
6811.7 Mon Dec 26 19:29:48 CET 2005
682 - aio_scandir errornously called callback twice in some cases.
683 - added AnyEvent example.
684
6851.61 Wed Sep 7 19:40:42 CEST 2005
686 - no longer include $Config{libs}, as distros include too much
687 garbage in there that is not installed on typical systems
688 (for example, debian links perl against -lgdbm and many more
689 libraries despite perl not needing it, slowing down startup and
690 wasting memory).
691
6921.6 Tue Aug 30 17:44:44 CEST 2005
693 - added aio_readdir, aio_scandir.
694 - added aio_sendfile, including sendfile emulation when sendfile
695 isn't available. Linux, FreeBSD and HP-UX might work (sendfilev
696 support is unavailable on my solaris 8 machine, but preliminary
697 code is there. What's lacking is configury stuff and testing...).
698
6991.5 Sat Aug 20 02:32:19 CEST 2005
4 - create the aio threads on demand only. 700 - create the aio threads on demand only (good after forking).
5 - somebody nagged about C89 compatibility, so this release should 701 - somebody nagged about C89 compatibility, so this release should
6 be C89 compatible, but no guarentees for future ones. 702 be C89 compatible, but no guarantees for future ones.
703 - abort when the configure script fails.
7 704
81.4 Wed Aug 17 08:07:27 CEST 2005 7051.4 Wed Aug 17 08:07:27 CEST 2005
9 - forget to recreate the pipe after forking, this could cause 706 - forgot to recreate the pipe after forking, this could cause
10 deadlocks. 707 deadlocks.
11 708
121.3 Wed Aug 17 07:25:54 CEST 2005 7091.3 Wed Aug 17 07:25:54 CEST 2005
13 - properly propagate exceptions from callbacks, instead of silently 710 - properly propagate exceptions from callbacks, instead of silently
14 eating them. 711 eating them.

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