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Comparing IO-AIO/Changes (file contents):
Revision 1.194 by root, Sun Jun 14 20:36:59 2009 UTC vs.
Revision 1.388 by root, Wed Feb 26 15:32:59 2020 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.?
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/
8 23
9 - avoid some degenerate sorting cases on systems without d_ino, 24TODO: rewrite rmtree et al. to support working directories (also speed them up)
10 or when the dentries are mostly sorted by inode already (common 25TODO: maybe IO::AIO leaks fds when requests are cancelled? maybe initialise result to -1?
11 with freshly unpacked tarfiles for example). 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: rt-4.0.18-20109-1573826674-1229.126277-5-0@rt.cpan.org
43TODO: aio_splice, aio_tee
44TODO: copy_file_range
45 - IO::AIO::splice and IO::AIO::tee didn't properly return
46 64 bit values.
47 - added IO::AIO::accept4.
48 - add various F_SEAL related fcntl constants.
49 - removed experimentla marker for fdlimit functions.
50
514.72 Wed Apr 3 04:56:03 CEST 2019
52 - (libeio) if fd 0 is available do not use it for aio_wd, as it
53 collides with IO::AIO::CWD.
54 - added IO::AIO::memfd_create.
55 - correctly include <sys/uio.h> in the vmsplice test.
56 - reduce codesize by ~7% on amd64 by declaring more functions
57 as noinline.
58 - documentation fixes and updates.
59 - experimental and undocumented preliminary support for synchronous statx.
60
614.71 Sun Mar 10 13:09:26 CET 2019
62 - due to an error in the linux manpages, the configure tests
63 for readahead, sync_file_range, splice etc. failed. This has been fixed.
64
654.7 Mon Mar 4 11:28:13 CET 2019
66 - majorly speed up scandir for the very special case of a non-POSIX
67 filesystem that nevertheless reports valid dt_type information.
68 The only known filesystem of this type is currently btrfs, which
69 didn't get it's act together to implement POSIX semantics in all
70 these years, and I am tired of waiting.
71 - add IO::AIO::MCL_ONFAULT for mlockall, add IO::AIO::mlockall.
72 - neither sys/mkdev.h nor sys/sysmacros.h were included, even when they
73 were detected by autoconf.
74
754.6 Sat Aug 25 21:58:36 CEST 2018
76 - add st_btime, st_btimesec, st_btimensec and st_gen accessors,
77 mostly for bsds which expose birthtime and st_gen members (netbsd, freebsd
78 but only st_gen on openbsd because they compiled their perl without support
79 for birthtimes).
80 - fix madvise and munlock to properly support negative offsets.
81 - allocate fd for the aio_close at boot time, to guarantee it working
82 later, rather than calling abort when it fails. also avoids
83 close-on-exec race issues after module load.
84 - #undef utime on win32, maybe this helps some reports of utime hangs.
85 - minor doc improvements.
86 - minor configure cleanups.
87 - use $Config{perllibs} instead of libs for configure. might help people
88 who didn't install all perl dependencies (might break things as well).
89
904.54 Tue Aug 14 13:54:48 CEST 2018
91 - include sys/mkdev.h or sys/sysmacros.h if available.
92 - further tweaks to configure invocation for systems requiring --rpath.
93 - no longer rely on custom paths on win32 platforms.
94 - try to work around buggy PAGESIZE macro on solaris.
95
964.53 Tue Aug 14 11:27:50 CEST 2018
97 - add $Config{libs} to LIBS for configure, to work around systems
98 with broken library dependencies (... openbsd).
99
1004.52 Sun Aug 12 08:09:45 CEST 2018
101 - config.h.in was missing in distribution.
102
1034.51 Sun Aug 12 07:24:14 CEST 2018
104 - complete rework of the autoconf framework: IO::AIO now uses its own
105 config.h, separate from libeio, and tries to test the actual perl
106 environment, not the standard system environment.
107 - provide nanosecond-accracy stat time accessors for both perl and IO::AIO
108 stat functions.
109 - removed non-portable C++ syntax from eio.c.
110 - try to fix readdir tests on cygwin spuriously failing.
111
1124.5 Wed Aug 1 00:23:55 CEST 2018
113 - aio_mtouch touch all pages as requested, not just the first page in most cases.
114 - new function: IO::AIO::mremap, linux-specific mremap, with constants MREMAP_MAYMOVE
115 and MREMAP_FIXED.
116 - add O_ACCMODE.
117 - add (undocumented) MSG_CMSG_CLOEXEC and SOCK_CLOEXEC constants.
118
1194.4 Tue Feb 20 07:54:12 CET 2018
120 - new aio_slurp request.
121 - add (experimental) IO::AIO::eventfd and timerfd* function.
122 - add (experimental) IO::AIO::get_fdlimit and IO::AIO::min_fdlimit.
123 - point out that aio_copy overwrites existing files.
124 - removed filesystem magic number table from aio_statvfs docs as
125 statvfs doesn't actually return this info at all (statfs does).
126 - add a bunch of (mostly linux-specific) constants for use in ioctls
127 (see aio_ioctl docs).
128 - treescan now has a proper manpage and useful --help output.
129 - new option --sync in treescan, to sync everything in a subtree.
130 - changed default for aio_msync flags to MSYNC_SYNC.
131 - document offset/length behaviour of mprotect/madvise.
132 - support linux's renameat2 (via aio_rename2).
133 - add aio_rename2, an aio_rename with flags.
134 - add F_DUPPFD_CLOEXEC, F_OFD_[SG]ETLKW? constants.
135 - add FALLOC_FL_INSERT_RANGE, FALLOC_FL_UNSHARE_RANGE.
136 - (libeio) use posix_close if available.
137 - (libeio) internal close() calls no longer disturb errno.
138 - add IO:AIO::FALLOC_FL_UNSHARE.
139 - update schmorp.h for removal of USE_SOCKETS_AS_HANDLES
140 and better eventfd detection.
141
1424.34 Sun May 1 19:18:24 CEST 2016
143 - def0.h was not properly generated during previous release, causing
144 compile errors on various platforms.
145 - major/minor were accidentally switched (reported by Alexander Lishenyuk).
146 - removed duplicate definition of MAP_HUGETLB, that was found due to
147 a bug in Perl::Tidy (testcase by alaska332@gmail.com).
148 - added (untested!) aio_fcntl, aio_ioctl requests.
149 - (libeio) names set via prctl are truncated to 15 chars + nul, not 16,
150 as manpages-dev originally claimed.
151
1524.33 Mon Jan 18 12:50:10 CET 2016
153 - add IO::AIO::pipe2 function.
154 - added support for FALLOC_FL_COLLAPSE_RANGE and FALLOC_FL_ZERO_RANGE
155 constants.
156 - added support for O_TMPFILE and O_PATH constants.
157 - added support for MAP_FIXED, MAP_GROWSDOWN,MAP_32BIT, MAP_HUGETLB, MAP_STACK
158 consdtants, whether they can be sensibly used or not.
159 - use NO_INIT where applicable.
160 - update libecb.
161 - added stability canary support.
162 - updated linux super magic table to 4.3.3.
163
1644.32 Wed Feb 11 20:32:11 CET 2015
165 - replace off_t by STRLEN where appropriate, should not result in
166 user-visible changes.
167 - update ecb.h for C11 compatibility.
168
1694.31 Tue Jun 3 03:29:27 CEST 2014
170 - work around more 5.20 bugs. backwards compatibility my ass.
171
1724.3 Fri Apr 11 06:22:38 CEST 2014
173 - perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
174 without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
175 in 5.18. What's so attractive about giving a shit about backwards
176 compatibility - I will never understand.
177
1784.2 Sat Jan 25 01:13:14 CET 2014
179 - aio_group could corrupt memory because it didn't restore
180 the stack after req_submit.
181 - be more careful on (e.g. permission) errors in bin/treescan.
182 - work around changes in ExtUtils::MakeMaker.
183 - (libeio) implement aio_realpath for win32.
184 - (xthread) work around compile time bugs in ptw32.
185 - added IO::AIO::pipesize.
186 - (libecb) insignificant update.
187
1884.19 Sun Jan 6 12:47:26 CET 2013
189 - avoid endless loop in fiemap with some XFS files.
190 - in aio_rename and aio_rmdir, specialcase the case of [$wd, "."]
191 and call rename/rmdir instead of renameat/unlinkat.
192
1934.18 Thu Oct 11 07:01:26 CEST 2012
194 - fix unintended xthread_create by intentionalising it :)
195
1964.17 Thu Oct 11 05:19:47 CEST 2012
197 - rename aio_fallocate to aio_allocate, to match documentation.
198 - add list of linux fsid values to aio_statvfs docs.
199 - work around a bug in btrfs' FIEMAP ioctl implementation.
200 - work around AIX bug: statvfs.f_fsid is a struct, not unsigned long
201 as per unix spec.
202
2034.16 Tue Aug 14 05:39:03 CEST 2012
204 - aio_statvfs was wromgly marked for wd emulation, causing
205 it to malfunction for paths.
206 - fix a crash in aio_fiemap, when used on ranges without any
207 extents.
208 - work around linux kernel bug (at least in 3.2): kernel might
209 trash fiemap input arguments.
210 - work around linux kernel bug (at least in 3.2): kernel does not
211 set FIEMAP_EXTENT_LAST on last segment.
212 - work around linux kernel bug (at least in 3.2): kernel silently
213 truncates segment count if a file.
214 - make fh argument of IO::AIO::mmap optional, also add mmap/munmap
215 to quick overview.
216 - splice can corrupt data.
217 - (libeio) remove pread/pwrite emulation.
218 - do not grow mmaped scalars in aio_read.
219 - add FALLOC_FL_PUNCH_HOLE and document fallocate.
220 - provide pread/pwrite for win32, making it link again on native win32.
221
2224.15 Tue Apr 10 06:59:00 CEST 2012
223 - always include linux/types.h for fiemap, for compatibility to
224 ancient systems (Paul Howarth).
225 - experimental support for IO::AIO::splice and ::tee (no aio_...).
226 - provide SEEK_HOLE and SEEK_DATA, if available.
227 - work around (again!) an immensely stupid bug in RHEL, defining
228 autoconf macros in linux system headers (analysed by Paul Howarth).
229
2304.14 Sat Apr 7 02:45:18 CEST 2012
231 - fix stat structure usage on windows, which caused bogus stat results.
232 - (libeio) make readahead emulation behave more like actual readahead by never failing.
233 - new request aio_seek.
234 - new request aio_fiemap.
235 - autogenerate the #ifdef/#define 0 blocks for symbols we export.
236
2374.12 Fri Dec 30 08:51:25 CET 2011
238 - realpath would return a random value if the name was too long,
239 instead of -1.
240 - port to c89.
241
2424.11 Mon Oct 10 00:24:11 CEST 2011
243 - libeio didn't compile on !linux (Paul Howarth).
244
2454.1 Sun Oct 9 10:24:11 CEST 2011
246 - IO::AIO did access uninitialised memory on unsuccessful stats.
247 - (libeio) added syncfs syscall wrapper.
248 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
249 - (libeio) support multiple indepenent working directories.
250 - applied speling corrections by Nicholas Bamber.
251 - tune treescan #threads and #outstanding requests a bit.
252 - reduce the number of file descriptors in use at any one time
253 in treescan, to avoid running out of them (and using too much ram).
254 - take advantage of working directoriy abstractions
255 in aio_scandir and treescan.
256 - reduce compiled size by ~10% by not inlining some key functionality.
257 - added --progress switch to treescan.
258
2594.0 Mon Jul 18 05:01:10 CEST 2011
260 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
261 see FORK BEHAVIOUR in manpage for details.
262 - passes testsuite on win32 now and may actually work
263 (activestate 5.10.1 / MSVC6, YMMV).
264 - (libeio) fix a deadlock where a wakeup signal could be missed when
265 a timeout occured at the same time.
266 - (libeio) added realpath.
267 - (libeio) added fallocate.
268 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
269 - (libeio) do not acquire any locks when forking.
270 - (libeio) use fewer time() syscalls when waiting for new requests.
271
2723.93 Wed Jun 29 23:44:18 CEST 2011
273 - ECB.H WAS MISSING.
274
2753.92 Wed Jun 29 14:45:41 CEST 2011
276 - ecb.h was missing.
277
2783.91 Wed Jun 29 13:24:42 CEST 2011
279 - (libeio) work around a Linux (and likely FreeBSD and other
280 kernels) bug where sendfile would not transfer all the requested
281 bytes on large transfers, using a heuristic.
282 - buggy sendfile caused aio_move/copy to sometimes fail for big
283 files (fortunately it checks that the whole file has been
284 transferred...)
285 - use libecb for higher performance and higher portability.
286 - (libeio) disable sendfile on darwin, it's too broken.
287 - disable fork tests on !linux, as only linux supports mixing
288 pthread and fork in perl.
289 - document the fact that fork doesn't work anymore when using
290 this module, on anything !GNU/Linux.
291 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
292 run on a 0.1MHz cpu. Or so.
293
2943.9 Fri May 27 02:43:47 CEST 2011
295 - (libeio) fix memory corruption in aio_readdirx for the flags
296 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
297 - add lots of newer POSIX and GNU/Linux-specific open
298 flags.
299
3003.8 Sun Mar 27 12:25:33 CEST 2011
301 - use nonstandard but maybe-working-on-bsd fork technique.
302 - support a max_idle value of 0.
303 - support setting of idle timeout value (IO::AIO::idle_timeout).
304
3053.72 Fri Feb 11 04:25:38 CET 2011
306 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
307 - aio_mknod always used a dev_t value of 0.
308 - new treescan option: --grep.
309 - add more S_IF macros, and major/minor/makedev "macros".
310
3113.71 Thu Dec 30 08:18:46 CET 2010
312 - the numerical result value passed to callbacks did not stringify
313 correctly, due to internal reuse and failure to reset the sv flags.
314 - actually test for posix_[mf]advise, as at least uClibc defines
315 _POSIX_ADVISORY_INFO without actually having any of the required
316 funcitonality. ugh.
317
3183.7 Mon Nov 1 23:00:34 CET 2010
319 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
320 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
321 - document the sad state of affairs w.r.t. pthread on many bsds.
322 - do not enable mmap on systems without _POSIX_MAPPED_FILES
323 (openbsd 4.8).
324 - do not leak memory in IO::AIO::mmap when the scalar already
325 had string-data.
326 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
327 them.
328 - cache the result IV, for a minor speedup in the common case.
329 - croak when an mmapped-scalar changes location, to detect
330 user-errors better.
331 - fix aio_readlink prototype.
332
3333.65 Wed Mar 31 02:45:05 CEST 2010
334 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
335 cut off long pathnames in aio_readlink (based on patch by
336 Rasmus Andersson).
337 - a double fork partially killed the event pipe (great testcase
338 by dormando). affects IO::AIO, BDB and Async::Interrupt.
339 - suck steve's dick and rename our symbols to avoid colliding
340 with nonstandard identifier spam on the broken os x pseudo-os.
341 affects IO::AIO and BDB.
342
3433.6 Mon Jan 11 00:43:39 CET 2010
344 - (libeio) more fixes for the freebsd/apple sendfile - broken by
345 manpage standards, but apparently correct accoridng to actual
346 kernel sources.
347 - add IO::AIO::mmap/munmap support.
348 - add IO::AIO::m(un)lockall support.
349 - clean up manpage.
350
3513.5 Thu Jan 7 21:25:04 CET 2010
352 - (liebio) fix freebsd sendfile (Vanilla Hsu).
353 - (libeio) also fix darwin sendfile that suffered from a similar bug.
354 - add aio_statvfs as interface to statvfs/fstatvfs.
355 - work around buggy symlink() on cygwin in the testsuite.
356 - wtf. freebsd-8.0 actually passes the testsuite! I knew
357 they could implement fork and semaphores one day! cheers!
358
3593.4 Sat Jan 2 15:13:04 CET 2010
360 - (libeio) max_poll_time was not properly converted to ticks.
361 - clarify cancel_subs description.
362 - IO::AIO::sendfile did not actually return the return value
363 from the sendfile call.
364 - implement aio_msync, aio_mtouch.
365 - (libeio) tentatively support darwin in sendfile.
366
3673.31 Thu Nov 12 02:14:29 CET 2009
368 - fix result status documentation of aio_copy, aio_move.
369 - speed up object creation considerably by avoiding
370 hash lookups.
371
3723.3 Wed Aug 5 13:52:58 CEST 2009
373 - use common::sense.
374 - use common schmorp.h header.
375 - allow integers (file descriptors) in addition to file handles.
376 - take advantage of linux' eventfd (but it seems slower on smp?).
377 - use poll not select on posix platforms.
378
3793.261 Wed Jul 1 10:11:51 CEST 2009
380 - more 0S X workarounds (patch by Tokuhiro Matsuno).
381
3823.26 Tue Jun 30 09:33:26 CEST 2009
383 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
384 try to work around this horribly broken OS in a somewhat hackish
385 way. might help other os's too.
386
3873.25 Sat Jun 27 05:18:26 CEST 2009
388 - added IO::AIO::fadvise and IO::AIO::sendfile.
389 - (libeio) replaced quicksort+insertion sort by a tuned radix
390 sort + insertion sort, resulting in comparable runtime (usually
391 faster) to the old version, but without any ill side effects on
392 degenerated (for quicksort) data.
12 - correctly sort dirs by inodes only if we have perfect type 393 - (libeio) correctly sort dirs by inodes if we have perfect type
13 knowledge and DIRS_FIRST is used. 394 knowledge and DIRS_FIRST is used.
14 - speed up directory entry sorting further by some 20%. 395 - (libeio) internally the wrong DT_* constants were used, but no
396 known system has differing EIO_DT_*/DT_* values, so not an issue.
397 - removed a (harmless) assert that was left over on the code
398 but should not have been.
399 - use more correct types (change IO length from IV to VAL64,
400 which makes a difference on systems without 64 bit perls).
15 401
163.23 Sat Jun 13 16:57:58 CEST 2009 4023.23 Sat Jun 13 16:57:58 CEST 2009
17 - fix off-by-one bug in aio_readdir that was introduced in the 403 - fix off-by-one bug in aio_readdir that was introduced in the
18 rushed 3.22 release. 404 rushed 3.22 release.
19 405

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