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Comparing IO-AIO/Changes (file contents):
Revision 1.98 by root, Sat Oct 28 23:32:29 2006 UTC vs.
Revision 1.241 by root, Fri Jan 7 21:45:42 2011 UTC

1Revision history for IO::AIO 1Revision history for IO::AIO
2 2
3TODO: better autoconf.pm that can return LIBS etc. 3TODO: better autoconf.pm that can return LIBS etc.
4TODO: aio_cp/mvtree/rmtree 4TODO: aio_cptree/mvtree
5TODO: aio_utime, aio_chmod, aio_chown? 5TODO: reduce condvar fairness: schedule hot-cache-threads first?
6TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
7TODO: aio_fcntl, at least for file-locking
8TODO: fallocate, if it wouldn't be so useless.
9TODO: aio_mincore?
10TODO: add? also linux-specific stuff?
11TODO: O_EXEC O_SEARCH O_CLOEXEC O_DIRECTORY O_DSYNC O_NOCTTY O_NOFOLLOW O_NONBLOCK O_RSYNC O_SYNC O_TTY_INIT O_DIRECT O_LARGEFILE O_NOATIME O_ASYNC
6 12
72.1 13 - use _POSIX_MEMLOCK_RANGE to detetc mlock/munlock.
14
153.71 Thu Dec 30 08:18:46 CET 2010
16 - the numerical result value passed to callbacks did not stringify
17 correctly, due to internal reuse and failure to reset the sv flags.
18 - actually test for posix_[mf]advise, as at least uClibc defines
19 _POSIX_ADVISORY_INFO without actually having any of the required
20 funcitonality. ugh.
21
223.7 Mon Nov 1 23:00:34 CET 2010
23 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
24 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
25 - document the sad state of affairs w.r.t. pthread on many bsds.
26 - do not enable mmap on systems without _POSIX_MAPPED_FILES
27 (openbsd 4.8).
28 - do not leak memory in IO::AIO::mmap when the scalar already
29 had string-data.
30 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
31 them.
32 - cache the result IV, for a minor speedup in the common case.
33 - croak when an mmapped-scalar changes location, to detect
34 user-errors better.
35 - fix aio_readlink prototype.
36
373.65 Wed Mar 31 02:45:05 CEST 2010
38 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
39 cut off long pathnames in aio_readlink (based on patch by
40 Rasmus Andersson).
41 - a double fork partially killed the event pipe (great testcase
42 by dormando). affects IO::AIO, BDB and Async::Interrupt.
43 - suck steve's dick and rename our symbols to avoid colliding
44 with nonstandard identifier spam on the broken os x pseudo-os.
45 affects IO::AIO and BDB.
46
473.6 Mon Jan 11 00:43:39 CET 2010
48 - (libeio) more fixes for the freebsd/apple sendfile - broken by
49 manpage standards, but apparently correct accoridng to actual
50 kernel sources.
51 - add IO::AIO::mmap/munmap support.
52 - add IO::AIO::m(un)lockall support.
53 - clean up manpage.
54
553.5 Thu Jan 7 21:25:04 CET 2010
56 - (liebio) fix freebsd sendfile (Vanilla Hsu).
57 - (libeio) also fix darwin sendfile that suffered from a similar bug.
58 - add aio_statvfs as interface to statvfs/fstatvfs.
59 - work around buggy symlink() on cygwin in the testsuite.
60 - wtf. freebsd-8.0 actually passes the testsuite! I knew
61 they could implement fork and semaphores one day! cheers!
62
633.4 Sat Jan 2 15:13:04 CET 2010
64 - (libeio) max_poll_time was not properly converted to ticks.
65 - clarify cancel_subs description.
66 - IO::AIO::sendfile did not actually return the return value
67 from the sendfile call.
68 - implement aio_msync, aio_mtouch.
69 - (libeio) tentatively support darwin in sendfile.
70
713.31 Thu Nov 12 02:14:29 CET 2009
72 - fix result status documentation of aio_copy, aio_move.
73 - speed up object creation considerably by avoiding
74 hash lookups.
75
763.3 Wed Aug 5 13:52:58 CEST 2009
77 - use common::sense.
78 - use common schmorp.h header.
79 - allow integers (file descriptors) in addition to file handles.
80 - take advantage of linux' eventfd (but it seems slower on smp?).
81 - use poll not select on posix platforms.
82
833.261 Wed Jul 1 10:11:51 CEST 2009
84 - more 0S X workarounds (patch by Tokuhiro Matsuno).
85
863.26 Tue Jun 30 09:33:26 CEST 2009
87 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
88 try to work around this horribly broken OS in a somewhat hackish
89 way. might help other os's too.
90
913.25 Sat Jun 27 05:18:26 CEST 2009
92 - added IO::AIO::fadvise and IO::AIO::sendfile.
93 - (libeio) replaced quicksort+insertion sort by a tuned radix
94 sort + insertion sort, resulting in comparable runtime (usually
95 faster) to the old version, but without any ill side effects on
96 degenerated (for quicksort) data.
97 - (libeio) correctly sort dirs by inodes if we have perfect type
98 knowledge and DIRS_FIRST is used.
99 - (libeio) internally the wrong DT_* constants were used, but no
100 known system has differing EIO_DT_*/DT_* values, so not an issue.
101 - removed a (harmless) assert that was left over on the code
102 but should not have been.
103 - use more correct types (change IO length from IV to VAL64,
104 which makes a difference on systems without 64 bit perls).
105
1063.23 Sat Jun 13 16:57:58 CEST 2009
107 - fix off-by-one bug in aio_readdir that was introduced in the
108 rushed 3.22 release.
109
1103.22 Sat Jun 13 15:32:40 CEST 2009
111 - speed up readdirx sort algorithm slightly.
112 - bin/treescan was missing from distro tarball.
113
1143.21 Fri Jun 12 18:45:53 CEST 2009
115 - new options --dirs and --files for treescan.
116 - install bin/treescan by default.
117 - (libeio) aio_readdir can now be cancelled while executing.
118 - fix a printf format string for 64 bit systems (could lead
119 to problems on big endian 64 bit systems).
120 - do not use qsort() but our own algorithm: glibc initialises
121 the whole locale and I/O subsystem inside qsort, causing
122 a stack overflow on 32 bit machines. The new sort uses much less
123 stack and is more than twice as fast in typical situations.
124
1253.2 Sun Jun 7 20:30:05 CEST 2009
126 - (libeio) pwrite emulation was even more flawed than intended and did
127 not restore the file offset.
128 - add aio_readdirx, which can return inode and filetype and sort
129 the names in various ways.
130 - unfortunately, utime, chmod, chown on an open file that has just
131 been written can easily block, which caused aio_copy to block the
132 process. no more!
133 - no longer rely on dst path in aio_copy when futime is available.
134
1353.19 Tue Apr 21 22:05:21 CEST 2009
136 - more perl 5.10 workarounds for aio_read and write.
137 - aio_write no longer modifies the sv (if possible).
138 - aio_read now works correctly with magic values.
139
1403.18 Sun Apr 19 21:17:32 CEST 2009
141 - better diagnostics when some aio_* functions get passed an illegal fh.
142 - try to avoid crashes due to incompatible 5.10 API changes. grmbl.
143
1443.17 Thu Nov 20 08:45:36 CET 2008
145 - (libeio) added aio_sync_file_range (untested).
146 - add aio_busy to @IO::AIO::AIO_REQ.
147
1483.16 Wed Oct 22 18:28:01 CEST 2008
149 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
150 part to improve portability to perl 5.8 (reported by szymon).
151
1523.15 Mon Oct 13 00:39:55 CEST 2008
153 - automatic removal of feeders was broken.
154 - (libeio) use a more robust method to detect whether a feeder
155 has added something to the group or not.
156
1573.1 Thu Oct 2 13:34:40 CEST 2008
158 - pre-deref the passed callback object, for increased speed
159 and decreased memory usage.
160 - call on_next_submit callback even for aio_group - impact unknown,
161 but seems more correct.
162 - $req->cb now returns the original callback.
163 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
164 requiring a thread switch.
165 - (libeio) status code of aio_futime and aio_utime was always passed 0.
166 - do some other ยต-optimisations.
167
1683.07 Sat Aug 2 16:06:13 CEST 2008
169 - do not include LIBS in autoconf tests.
170
1713.06 Tue Jul 15 12:41:32 CEST 2008
172 - move preadwritelock definition before it's first reference,
173 to make it compile again on broken platforms (they still exist)
174 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
175
1763.05 Thu Jun 19 23:23:52 CEST 2008
177 - work around perl overriding readdir etc. with thread-unsafe
178 (sic!) versions.
179
1803.04 Wed Jun 18 01:35:38 CEST 2008
181 - (libeio) fix eio_mknod, which confused it's arguments.
182 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
183 is stupid.
184 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
185 - (libeio) fix a bug that could potentially cause IO::AIO
186 not to get initialised properly.
187
1883.03 Thu May 29 05:33:30 CEST 2008
189 - (libeio) correctly call pthread_attr_destroy ().
190 - (libeio) work around broken bsd headers once more.
191 - reduce shared library size again by not including wrappers.
192 - max_outstanding could cause poll to enter a busy-waiting loop.
193 - document the new IO::AIO::poll_cb result value.
194
1953.02 Mon May 12 02:32:02 CEST 2008
196 - fix a memory leak on aio_readlink.
197 - bring back working fchmod.
198 - nop and busy now set result to 0.
199 - set errno to ENOMEM when allocation fails.
200
2013.01 Sun May 11 03:07:03 CEST 2008
202 - (libeio) make it compile on systems without readahead or readdir_r.
203 - (libeio) improve configure check for readahead availability.
204 - do not try to link against -lrt.
205 - use a separate configure script for IO::AIO (not the libeio one).
206
2073.0 Sun May 11 00:57:14 CEST 2008
208 - added bin/treescan to the distribution.
209 - switched to using libeio.
210 - LOTS OF INCOMPATIBLE CHANGES:
211 - remove signal functionality, it is not worth the effort.
212 - max_outstanding no longer returns the previous number of requests.
213 - poll_cb no longer returns number of requests.
214
2152.62 Sat Apr 26 13:59:33 CEST 2008
216 - port to solaris perls configured for old posix
217 (analysed by Jost Krieger).
218 - keep a reference to the perl filehandle object in aio_close,
219 so it doesn't get closed prematurely, leading to ugly races.
220
2212.61 Wed Apr 16 18:45:02 CEST 2008
222 - fix treescan output duplication and improve output ordering.
223 also display files given on the commandline.
224 - use a different algorithm for aio_close that is faster
225 and probably has even lower chances of blocking.
226 - do our own stack memory management for threads - linux
227 allocates outrageous amounts of VM (not so bad unless you
228 use mlockall...), which severely limits the number of threads
229 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
230 and 4096 * sizeof (long) (usually this is 16..64k).
231
2322.6 Sun Mar 30 08:28:11 CEST 2008
233 - added aio_sync.
234 - added aio_pathsync.
235 - fix prototypes of (void) functions.
236
2372.51 Sat Oct 6 16:04:54 CEST 2007
238 - perlio isn't generally threadsafe, so aio_close could not work reliably.
239 aio_close now tries a safe hack that might not be that asynchronous
240 (see the manpage for details).
241 - discard callback return values as to not grow the stack endlessly
242 when poll_cb handles many requests without returning.
243 - minor code cleanups.
244
2452.5 Thu Oct 4 14:49:08 CEST 2007
246 - replaced _fd2fh with faster xs code.
247 - aio_close will now try to do "the right thing" and thus might
248 work sensibly for the very first time.
249
2502.41 Mon Sep 24 21:28:21 CEST 2007
251 - after fork, invest some work to make sure that the poll_fileno
252 stays stable (by dup2'ing the new fd over the old one), to make
253 it easier for programs/libs that don't control their forking
254 behaviour and cannot recreate their watchers.
255
2562.4 Sun Aug 5 18:44:22 CEST 2007
257 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
258 successfully demonstrated that you can block on futimes...).
259 - allow undef as fileoffset for aio_read/write and use read/write(2)
260 internally (useful for sockets or O_APPEND handles).
261 - allow undef for length in aio_write.
262 - negative dataoffsets work as expected now in aio_read/aio_write.
263 - use NV instead of UV for 32 bit perls and file offsets, as NVs
264 have a larger range then.
265 - shared code between BDB and IO::AIO.
266 - aio_busy was completely broken. now fixed.
267 - readahead emulation now returns something.
268 - correctly set errno to ENOSYS on unimplemented functions
269 (should never happen, though).
270 - large changes to make it partially compile and run on win32,
271 but win32 lacks too much functionality, and perl overrides way
272 too many functions with crashing versions.
273
2742.33 Tue Jan 23 23:55:41 CET 2007
275 - fix install path (Andreas J. Koenig).
276
2772.32 Mon Jan 22 16:56:23 CET 2007
278 - added aio_rmtree.
279 - wow, aio_mkdir was missing.
280 - aio_load did return undef on error, not -1.
281 - use prefixexp not prefix in autoconf.pm
282 (suggested by ... rt.cpan.org unreachable).
283 - avoid installing autoconf.pm.
284
2852.31 Sat Jan 6 03:46:02 CET 2007
286 - added aio_load.
287
2882.3 Sat Dec 23 05:48:07 CET 2006
289 - fix off-by-one bug in aio_read, causing memory corruption
290 or crashes.
291
2922.21 Fri Dec 22 05:03:38 CET 2006
293 - minor doc updates.
294 - minor cleanups.
295 - IO::AIO::poll returns request count.
296 - undocumented and unfinished async-signal-reporting.
297
2982.2 Tue Oct 31 00:31:00 CET 2006
299 - minor doc updates.
300 - added aio_readlink.
301 - properly zero-terminate aio_read buffer.
302 - fix aio_read/write with nonzero dataoffset.
303 - reduced size of aio request structure.
304 - better diagnostics when pathnames etc. are not byte-encoded;
305 do not leak request in that case, either.
306
3072.1 Sun Oct 29 02:01:57 CET 2006
8 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by 308 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by
9 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time. 309 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time.
10 - fix a bug in aio_move where it would fail everytime 310 - fix a bug in aio_move where it would fail everytime
11 it would have to copy files manually. 311 it would have to copy files manually.
12 - doc updates. 312 - doc updates.

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