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Comparing IO-AIO/Changes (file contents):
Revision 1.197 by root, Wed Jun 17 06:33:07 2009 UTC vs.
Revision 1.387 by root, Wed Oct 16 09:11:35 2019 UTC

1Revision history for IO::AIO 1Revision history for IO::AIO
2 2
3TODO: better autoconf.pm that can return LIBS etc. 3TODO: scandir - some dirs mostly contain subdirs - invert logic?
4TODO: aio_cptree/mvtree 4TODO: aio_cptree/mvtree
5TODO: reduce condvar fairness: schedule hot-cache-threads first?
6TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/) 5TODO: vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
7TODO: aio_fcntl, at least for file-locking 6TODO: getxattr, setxattr, listxattr, removexattr etc.?
8TODO: fallocate, if it wouldn't be so useless. 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/fsconfig et al. https://lwn.net/Articles/759499/
9 23
103.25 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?)
41
42TODO: aio_splice, aio_tee
43TODO: copy_file_range
44 - IO::AIO::splice and IO::AIO::tee didn't properly return
45 64 bit values.
46 - added IO::AIO::accept4.
47 - add various F_SEAL related fcntl constants.
48
494.72 Wed Apr 3 04:56:03 CEST 2019
50 - (libeio) if fd 0 is available do not use it for aio_wd, as it
51 collides with IO::AIO::CWD.
52 - added IO::AIO::memfd_create.
53 - correctly include <sys/uio.h> in the vmsplice test.
54 - reduce codesize by ~7% on amd64 by declaring more functions
55 as noinline.
56 - documentation fixes and updates.
57 - experimental and undocumented preliminary support for synchronous statx.
58
594.71 Sun Mar 10 13:09:26 CET 2019
60 - due to an error in the linux manpages, the configure tests
61 for readahead, sync_file_range, splice etc. failed. This has been fixed.
62
634.7 Mon Mar 4 11:28:13 CET 2019
64 - majorly speed up scandir for the very special case of a non-POSIX
65 filesystem that nevertheless reports valid dt_type information.
66 The only known filesystem of this type is currently btrfs, which
67 didn't get it's act together to implement POSIX semantics in all
68 these years, and I am tired of waiting.
69 - add IO::AIO::MCL_ONFAULT for mlockall, add IO::AIO::mlockall.
70 - neither sys/mkdev.h nor sys/sysmacros.h were included, even when they
71 were detected by autoconf.
72
734.6 Sat Aug 25 21:58:36 CEST 2018
74 - add st_btime, st_btimesec, st_btimensec and st_gen accessors,
75 mostly for bsds which expose birthtime and st_gen members (netbsd, freebsd
76 but only st_gen on openbsd because they compiled their perl without support
77 for birthtimes).
78 - fix madvise and munlock to properly support negative offsets.
79 - allocate fd for the aio_close at boot time, to guarantee it working
80 later, rather than calling abort when it fails. also avoids
81 close-on-exec race issues after module load.
82 - #undef utime on win32, maybe this helps some reports of utime hangs.
83 - minor doc improvements.
84 - minor configure cleanups.
85 - use $Config{perllibs} instead of libs for configure. might help people
86 who didn't install all perl dependencies (might break things as well).
87
884.54 Tue Aug 14 13:54:48 CEST 2018
89 - include sys/mkdev.h or sys/sysmacros.h if available.
90 - further tweaks to configure invocation for systems requiring --rpath.
91 - no longer rely on custom paths on win32 platforms.
92 - try to work around buggy PAGESIZE macro on solaris.
93
944.53 Tue Aug 14 11:27:50 CEST 2018
95 - add $Config{libs} to LIBS for configure, to work around systems
96 with broken library dependencies (... openbsd).
97
984.52 Sun Aug 12 08:09:45 CEST 2018
99 - config.h.in was missing in distribution.
100
1014.51 Sun Aug 12 07:24:14 CEST 2018
102 - complete rework of the autoconf framework: IO::AIO now uses its own
103 config.h, separate from libeio, and tries to test the actual perl
104 environment, not the standard system environment.
105 - provide nanosecond-accracy stat time accessors for both perl and IO::AIO
106 stat functions.
107 - removed non-portable C++ syntax from eio.c.
108 - try to fix readdir tests on cygwin spuriously failing.
109
1104.5 Wed Aug 1 00:23:55 CEST 2018
111 - aio_mtouch touch all pages as requested, not just the first page in most cases.
112 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
113 and MREMAP_FIXED.
114 - add O_ACCMODE.
115 - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants.
116
1174.4 Tue Feb 20 07:54:12 CET 2018
118 - new aio_slurp request.
119 - add (experimental) IO::AIO::eventfd and timerfd* function.
120 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
121 - point out that aio_copy overwrites existing files.
122 - removed filesystem magic number table from aio_statvfs docs as
123 statvfs doesn't actually return this info at all (statfs does).
124 - add a bunch of (mostly linux-specific) constants for use in ioctls
125 (see aio_ioctl docs).
126 - treescan now has a proper manpage and useful --help output.
127 - new option --sync in treescan, to sync everything in a subtree.
128 - changed default for aio_msync flags to MSYNC_SYNC.
129 - document offset/length behaviour of mprotect/madvise.
130 - support linux's renameat2 (via aio_rename2).
131 - add aio_rename2, an aio_rename with flags.
132 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
133 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
134 - (libeio) use posix_close if available.
135 - (libeio) internal close() calls no longer disturb errno.
136 - add IO:AIO::FALLOC_FL_UNSHARE.
137 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
138 and better eventfd detection.
139
1404.34 Sun May 1 19:18:24 CEST 2016
141 - def0.h was not properly generated during previous release, causing
142 compile errors on various platforms.
143 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
144 - removed duplicate definition of MAP_HUGETLB, that was found due to
145 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
146 - added (untested!) aio_fcntl, aio_ioctl requests.
147 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
148 as manpages-dev originally claimed.
149
1504.33 Mon Jan 18 12:50:10 CET 2016
151 - add IO::AIO::pipe2 function.
152 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
153 constants.
154 - added support for O_TMPFILE and O_PATH constants.
155 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
156 consdtants, whether they can be sensibly used or not.
157 - use NO_INIT where applicable.
158 - update libecb.
159 - added stability canary support.
160 - updated linux super magic table to 4.3.3.
161
1624.32 Wed Feb 11 20:32:11 CET 2015
163 - replace off_t by STRLEN where appropriate, should not result in
164 user-visible changes.
165 - update ecb.h for C11 compatibility.
166
1674.31 Tue Jun 3 03:29:27 CEST 2014
168 - work around more 5.20 bugs. backwards compatibility my ass.
169
1704.3 Fri Apr 11 06:22:38 CEST 2014
171 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
172 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
173 in 5.18. What's so attractive about giving a shit about backwards
174 compatibility - I will never understand.
175
1764.2 Sat Jan 25 01:13:14 CET 2014
177 - aio_group could corrupt memory because it didn't restore
178 the stack after req_submit.
179 - be more careful on (e.g. permission) errors in bin/treescan.
180 - work around changes in ExtUtils::MakeMaker.
181 - (libeio) implement aio_realpath for win32.
182 - (xthread) work around compile time bugs in ptw32.
183 - added IO::AIO::pipesize.
184 - (libecb) insignificant update.
185
1864.19 Sun Jan 6 12:47:26 CET 2013
187 - avoid endless loop in fiemap with some XFS files.
188 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
189 and call rename/rmdir instead of renameat/unlinkat.
190
1914.18 Thu Oct 11 07:01:26 CEST 2012
192 - fix unintended xthread_create by intentionalising it :)
193
1944.17 Thu Oct 11 05:19:47 CEST 2012
195 - rename aio_fallocate to aio_allocate, to match documentation.
196 - add list of linux fsid values to aio_statvfs docs.
197 - work around a bug in btrfs' FIEMAP ioctl implementation.
198 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
199 as per unix spec.
200
2014.16 Tue Aug 14 05:39:03 CEST 2012
202 - aio_statvfs was wromgly marked for wd emulation, causing
203 it to malfunction for paths.
204 - fix a crash in aio_fiemap, when used on ranges without any
205 extents.
206 - work around linux kernel bug (at least in 3.2): kernel might
207 trash fiemap input arguments.
208 - work around linux kernel bug (at least in 3.2): kernel does not
209 set FIEMAP_EXTENT_LAST on last segment.
210 - work around linux kernel bug (at least in 3.2): kernel silently
211 truncates segment count if a file.
212 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
213 to quick overview.
214 - splice can corrupt data.
215 - (libeio) remove pread/pwrite emulation.
216 - do not grow mmaped scalars in aio_read.
217 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
218 - provide pread/pwrite for win32, making it link again on native win32.
219
2204.15 Tue Apr 10 06:59:00 CEST 2012
221 - always include linux/types.h for fiemap, for compatibility to
222 ancient systems (Paul Howarth).
223 - experimental support for IO::AIO::splice and ::tee (no aio_...).
224 - provide SEEK_HOLE and SEEK_DATA, if available.
225 - work around (again!) an immensely stupid bug in RHEL, defining
226 autoconf macros in linux system headers (analysed by Paul Howarth).
227
2284.14 Sat Apr 7 02:45:18 CEST 2012
229 - fix stat structure usage on windows, which caused bogus stat results.
230 - (libeio) make readahead emulation behave more like actual readahead by never failing.
231 - new request aio_seek.
232 - new request aio_fiemap.
233 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
234
2354.12 Fri Dec 30 08:51:25 CET 2011
236 - realpath would return a random value if the name was too long,
237 instead of -1.
238 - port to c89.
239
2404.11 Mon Oct 10 00:24:11 CEST 2011
241 - libeio didn't compile on !linux (Paul Howarth).
242
2434.1 Sun Oct 9 10:24:11 CEST 2011
244 - IO::AIO did access uninitialised memory on unsuccessful stats.
245 - (libeio) added syncfs syscall wrapper.
246 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
247 - (libeio) support multiple indepenent working directories.
248 - applied speling corrections by Nicholas Bamber.
249 - tune treescan #threads and #outstanding requests a bit.
250 - reduce the number of file descriptors in use at any one time
251 in treescan, to avoid running out of them (and using too much ram).
252 - take advantage of working directoriy abstractions
253 in aio_scandir and treescan.
254 - reduce compiled size by ~10% by not inlining some key functionality.
255 - added --progress switch to treescan.
256
2574.0 Mon Jul 18 05:01:10 CEST 2011
258 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
259 see FORK BEHAVIOUR in manpage for details.
260 - passes testsuite on win32 now and may actually work
261 (activestate 5.10.1 / MSVC6, YMMV).
262 - (libeio) fix a deadlock where a wakeup signal could be missed when
263 a timeout occured at the same time.
264 - (libeio) added realpath.
265 - (libeio) added fallocate.
266 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
267 - (libeio) do not acquire any locks when forking.
268 - (libeio) use fewer time() syscalls when waiting for new requests.
269
2703.93 Wed Jun 29 23:44:18 CEST 2011
271 - ECB.H WAS MISSING.
272
2733.92 Wed Jun 29 14:45:41 CEST 2011
274 - ecb.h was missing.
275
2763.91 Wed Jun 29 13:24:42 CEST 2011
277 - (libeio) work around a Linux (and likely FreeBSD and other
278 kernels) bug where sendfile would not transfer all the requested
279 bytes on large transfers, using a heuristic.
280 - buggy sendfile caused aio_move/copy to sometimes fail for big
281 files (fortunately it checks that the whole file has been
282 transferred...)
283 - use libecb for higher performance and higher portability.
284 - (libeio) disable sendfile on darwin, it's too broken.
285 - disable fork tests on !linux, as only linux supports mixing
286 pthread and fork in perl.
287 - document the fact that fork doesn't work anymore when using
288 this module, on anything !GNU/Linux.
289 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
290 run on a 0.1MHz cpu. Or so.
291
2923.9 Fri May 27 02:43:47 CEST 2011
293 - (libeio) fix memory corruption in aio_readdirx for the flags
294 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
295 - add lots of newer POSIX and GNU/Linux-specific open
296 flags.
297
2983.8 Sun Mar 27 12:25:33 CEST 2011
299 - use nonstandard but maybe-working-on-bsd fork technique.
300 - support a max_idle value of 0.
301 - support setting of idle timeout value (IO::AIO::idle_timeout).
302
3033.72 Fri Feb 11 04:25:38 CET 2011
304 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
305 - aio_mknod always used a dev_t value of 0.
306 - new treescan option: --grep.
307 - add more S_IF macros, and major/minor/makedev "macros".
308
3093.71 Thu Dec 30 08:18:46 CET 2010
310 - the numerical result value passed to callbacks did not stringify
311 correctly, due to internal reuse and failure to reset the sv flags.
312 - actually test for posix_[mf]advise, as at least uClibc defines
313 _POSIX_ADVISORY_INFO without actually having any of the required
314 funcitonality. ugh.
315
3163.7 Mon Nov 1 23:00:34 CET 2010
317 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
318 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
319 - document the sad state of affairs w.r.t. pthread on many bsds.
320 - do not enable mmap on systems without _POSIX_MAPPED_FILES
321 (openbsd 4.8).
322 - do not leak memory in IO::AIO::mmap when the scalar already
323 had string-data.
324 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
325 them.
326 - cache the result IV, for a minor speedup in the common case.
327 - croak when an mmapped-scalar changes location, to detect
328 user-errors better.
329 - fix aio_readlink prototype.
330
3313.65 Wed Mar 31 02:45:05 CEST 2010
332 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
333 cut off long pathnames in aio_readlink (based on patch by
334 Rasmus Andersson).
335 - a double fork partially killed the event pipe (great testcase
336 by dormando). affects IO::AIO, BDB and Async::Interrupt.
337 - suck steve's dick and rename our symbols to avoid colliding
338 with nonstandard identifier spam on the broken os x pseudo-os.
339 affects IO::AIO and BDB.
340
3413.6 Mon Jan 11 00:43:39 CET 2010
342 - (libeio) more fixes for the freebsd/apple sendfile - broken by
343 manpage standards, but apparently correct accoridng to actual
344 kernel sources.
345 - add IO::AIO::mmap/munmap support.
346 - add IO::AIO::m(un)lockall support.
347 - clean up manpage.
348
3493.5 Thu Jan 7 21:25:04 CET 2010
350 - (liebio) fix freebsd sendfile (Vanilla Hsu).
351 - (libeio) also fix darwin sendfile that suffered from a similar bug.
352 - add aio_statvfs as interface to statvfs/fstatvfs.
353 - work around buggy symlink() on cygwin in the testsuite.
354 - wtf. freebsd-8.0 actually passes the testsuite! I knew
355 they could implement fork and semaphores one day! cheers!
356
3573.4 Sat Jan 2 15:13:04 CET 2010
358 - (libeio) max_poll_time was not properly converted to ticks.
359 - clarify cancel_subs description.
360 - IO::AIO::sendfile did not actually return the return value
361 from the sendfile call.
362 - implement aio_msync, aio_mtouch.
363 - (libeio) tentatively support darwin in sendfile.
364
3653.31 Thu Nov 12 02:14:29 CET 2009
366 - fix result status documentation of aio_copy, aio_move.
367 - speed up object creation considerably by avoiding
368 hash lookups.
369
3703.3 Wed Aug 5 13:52:58 CEST 2009
371 - use common::sense.
372 - use common schmorp.h header.
373 - allow integers (file descriptors) in addition to file handles.
374 - take advantage of linux' eventfd (but it seems slower on smp?).
375 - use poll not select on posix platforms.
376
3773.261 Wed Jul 1 10:11:51 CEST 2009
378 - more 0S X workarounds (patch by Tokuhiro Matsuno).
379
3803.26 Tue Jun 30 09:33:26 CEST 2009
381 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
382 try to work around this horribly broken OS in a somewhat hackish
383 way. might help other os's too.
384
3853.25 Sat Jun 27 05:18:26 CEST 2009
11 - added IO::AIO::fadvise and IO::AIO::sendfile. 386 - added IO::AIO::fadvise and IO::AIO::sendfile.
12 - (libeio) replaced quicksort+insertion sort by a tuned radix 387 - (libeio) replaced quicksort+insertion sort by a tuned radix
13 sort + insertion sort, resulting in comparable runtime (usually 388 sort + insertion sort, resulting in comparable runtime (usually
14 faster) to the old version, but without any ill side effects on 389 faster) to the old version, but without any ill side effects on
15 degenerated (for quicksort) data. 390 degenerated (for quicksort) data.

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