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Comparing IO-AIO/Changes (file contents):
Revision 1.161 by root, Thu Jun 19 21:25:30 2008 UTC vs.
Revision 1.275 by root, Mon Sep 26 20:19:08 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_cptree/mvtree 4TODO: aio_cptree/mvtree
5TODO: reduce condvar fairness: schedule hot-cache-threads first? 5TODO: reduce condvar fairness: schedule hot-cache-threads first?
6TODO: splice/tee/vmsplice/sync_file_range? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/) 6TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
7TODO: aio_fcntl, at least for file-locking 7TODO: aio_fcntl, at least for file-locking
8TODO: aio_mincore?
9TODO: getxattr etc.?
10TODO: F_DUPFD_CLOEXEC
11
12 - (libeio) added syncfs syscall wrapper.
13 - (libeio) set thread name on linux (ps -L/Hcx, top, gdb).
14 - applied speling corrections by Nicholas Bamber.
15
164.0 Mon Jul 18 05:01:10 CEST 2011
17 - INCOMPATIBLE CHANGE: fork is no longer supported (indeed, it never was),
18 see FORK BEHAVIOUR in manpage for details.
19 - passes testsuite on win32 now and may actually work
20 (activestate 5.10.1 / MSVC6, YMMV).
21 - (libeio) fix a deadlock where a wakeup signal could be missed when
22 a timeout occured at the same time.
23 - (libeio) added realpath.
24 - (libeio) added fallocate.
25 - (libeio) disabling sendfile on darwin unfortunately broke the emulation.
26 - (libeio) do not acquire any locks when forking.
27 - (libeio) use fewer time() syscalls when waiting for new requests.
28
293.93 Wed Jun 29 23:44:18 CEST 2011
30 - ECB.H WAS MISSING.
31
323.92 Wed Jun 29 14:45:41 CEST 2011
33 - ecb.h was missing.
34
353.91 Wed Jun 29 13:24:42 CEST 2011
36 - (libeio) work around a Linux (and likely FreeBSD and other
37 kernels) bug where sendfile would not transfer all the requested
38 bytes on large transfers, using a heuristic.
39 - buggy sendfile caused aio_move/copy to sometimes fail for big
40 files (fortunately it checks that the whole file has been
41 transferred...)
42 - use libecb for higher performance and higher portability.
43 - (libeio) disable sendfile on darwin, it's too broken.
44 - disable fork tests on !linux, as only linux supports mixing
45 pthread and fork in perl.
46 - document the fact that fork doesn't work anymore when using
47 this module, on anything !GNU/Linux.
48 - increase timeout in t/04_fork.t, as too many CPAN-tester setups
49 run on a 0.1MHz cpu. Or so.
50
513.9 Fri May 27 02:43:47 CEST 2011
52 - (libeio) fix memory corruption in aio_readdirx for the flags
53 combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST.
54 - add lots of newer POSIX and GNU/Linux-specific open
55 flags.
56
573.8 Sun Mar 27 12:25:33 CEST 2011
58 - use nonstandard but maybe-working-on-bsd fork technique.
59 - support a max_idle value of 0.
60 - support setting of idle timeout value (IO::AIO::idle_timeout).
61
623.72 Fri Feb 11 04:25:38 CET 2011
63 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
64 - aio_mknod always used a dev_t value of 0.
65 - new treescan option: --grep.
66 - add more S_IF macros, and major/minor/makedev "macros".
67
683.71 Thu Dec 30 08:18:46 CET 2010
69 - the numerical result value passed to callbacks did not stringify
70 correctly, due to internal reuse and failure to reset the sv flags.
71 - actually test for posix_[mf]advise, as at least uClibc defines
72 _POSIX_ADVISORY_INFO without actually having any of the required
73 funcitonality. ugh.
74
753.7 Mon Nov 1 23:00:34 CET 2010
76 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
77 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
78 - document the sad state of affairs w.r.t. pthread on many bsds.
79 - do not enable mmap on systems without _POSIX_MAPPED_FILES
80 (openbsd 4.8).
81 - do not leak memory in IO::AIO::mmap when the scalar already
82 had string-data.
83 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
84 them.
85 - cache the result IV, for a minor speedup in the common case.
86 - croak when an mmapped-scalar changes location, to detect
87 user-errors better.
88 - fix aio_readlink prototype.
89
903.65 Wed Mar 31 02:45:05 CEST 2010
91 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
92 cut off long pathnames in aio_readlink (based on patch by
93 Rasmus Andersson).
94 - a double fork partially killed the event pipe (great testcase
95 by dormando). affects IO::AIO, BDB and Async::Interrupt.
96 - suck steve's dick and rename our symbols to avoid colliding
97 with nonstandard identifier spam on the broken os x pseudo-os.
98 affects IO::AIO and BDB.
99
1003.6 Mon Jan 11 00:43:39 CET 2010
101 - (libeio) more fixes for the freebsd/apple sendfile - broken by
102 manpage standards, but apparently correct accoridng to actual
103 kernel sources.
104 - add IO::AIO::mmap/munmap support.
105 - add IO::AIO::m(un)lockall support.
106 - clean up manpage.
107
1083.5 Thu Jan 7 21:25:04 CET 2010
109 - (liebio) fix freebsd sendfile (Vanilla Hsu).
110 - (libeio) also fix darwin sendfile that suffered from a similar bug.
111 - add aio_statvfs as interface to statvfs/fstatvfs.
112 - work around buggy symlink() on cygwin in the testsuite.
113 - wtf. freebsd-8.0 actually passes the testsuite! I knew
114 they could implement fork and semaphores one day! cheers!
115
1163.4 Sat Jan 2 15:13:04 CET 2010
117 - (libeio) max_poll_time was not properly converted to ticks.
118 - clarify cancel_subs description.
119 - IO::AIO::sendfile did not actually return the return value
120 from the sendfile call.
121 - implement aio_msync, aio_mtouch.
122 - (libeio) tentatively support darwin in sendfile.
123
1243.31 Thu Nov 12 02:14:29 CET 2009
125 - fix result status documentation of aio_copy, aio_move.
126 - speed up object creation considerably by avoiding
127 hash lookups.
128
1293.3 Wed Aug 5 13:52:58 CEST 2009
130 - use common::sense.
131 - use common schmorp.h header.
132 - allow integers (file descriptors) in addition to file handles.
133 - take advantage of linux' eventfd (but it seems slower on smp?).
134 - use poll not select on posix platforms.
135
1363.261 Wed Jul 1 10:11:51 CEST 2009
137 - more 0S X workarounds (patch by Tokuhiro Matsuno).
138
1393.26 Tue Jun 30 09:33:26 CEST 2009
140 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
141 try to work around this horribly broken OS in a somewhat hackish
142 way. might help other os's too.
143
1443.25 Sat Jun 27 05:18:26 CEST 2009
145 - added IO::AIO::fadvise and IO::AIO::sendfile.
146 - (libeio) replaced quicksort+insertion sort by a tuned radix
147 sort + insertion sort, resulting in comparable runtime (usually
148 faster) to the old version, but without any ill side effects on
149 degenerated (for quicksort) data.
150 - (libeio) correctly sort dirs by inodes if we have perfect type
151 knowledge and DIRS_FIRST is used.
152 - (libeio) internally the wrong DT_* constants were used, but no
153 known system has differing EIO_DT_*/DT_* values, so not an issue.
154 - removed a (harmless) assert that was left over on the code
155 but should not have been.
156 - use more correct types (change IO length from IV to VAL64,
157 which makes a difference on systems without 64 bit perls).
158
1593.23 Sat Jun 13 16:57:58 CEST 2009
160 - fix off-by-one bug in aio_readdir that was introduced in the
161 rushed 3.22 release.
162
1633.22 Sat Jun 13 15:32:40 CEST 2009
164 - speed up readdirx sort algorithm slightly.
165 - bin/treescan was missing from distro tarball.
166
1673.21 Fri Jun 12 18:45:53 CEST 2009
168 - new options --dirs and --files for treescan.
169 - install bin/treescan by default.
170 - (libeio) aio_readdir can now be cancelled while executing.
171 - fix a printf format string for 64 bit systems (could lead
172 to problems on big endian 64 bit systems).
173 - do not use qsort() but our own algorithm: glibc initialises
174 the whole locale and I/O subsystem inside qsort, causing
175 a stack overflow on 32 bit machines. The new sort uses much less
176 stack and is more than twice as fast in typical situations.
177
1783.2 Sun Jun 7 20:30:05 CEST 2009
179 - (libeio) pwrite emulation was even more flawed than intended and did
180 not restore the file offset.
181 - add aio_readdirx, which can return inode and filetype and sort
182 the names in various ways.
183 - unfortunately, utime, chmod, chown on an open file that has just
184 been written can easily block, which caused aio_copy to block the
185 process. no more!
186 - no longer rely on dst path in aio_copy when futime is available.
187
1883.19 Tue Apr 21 22:05:21 CEST 2009
189 - more perl 5.10 workarounds for aio_read and write.
190 - aio_write no longer modifies the sv (if possible).
191 - aio_read now works correctly with magic values.
192
1933.18 Sun Apr 19 21:17:32 CEST 2009
194 - better diagnostics when some aio_* functions get passed an illegal fh.
195 - try to avoid crashes due to incompatible 5.10 API changes. grmbl.
196
1973.17 Thu Nov 20 08:45:36 CET 2008
198 - (libeio) added aio_sync_file_range (untested).
199 - add aio_busy to @IO::AIO::AIO_REQ.
200
2013.16 Wed Oct 22 18:28:01 CEST 2008
202 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
203 part to improve portability to perl 5.8 (reported by szymon).
204
2053.15 Mon Oct 13 00:39:55 CEST 2008
206 - automatic removal of feeders was broken.
207 - (libeio) use a more robust method to detect whether a feeder
208 has added something to the group or not.
209
2103.1 Thu Oct 2 13:34:40 CEST 2008
211 - pre-deref the passed callback object, for increased speed
212 and decreased memory usage.
213 - call on_next_submit callback even for aio_group - impact unknown,
214 but seems more correct.
215 - $req->cb now returns the original callback.
216 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
217 requiring a thread switch.
218 - (libeio) status code of aio_futime and aio_utime was always passed 0.
219 - do some other ยต-optimisations.
220
2213.07 Sat Aug 2 16:06:13 CEST 2008
222 - do not include LIBS in autoconf tests.
223
2243.06 Tue Jul 15 12:41:32 CEST 2008
225 - move preadwritelock definition before it's first reference,
226 to make it compile again on broken platforms (they still exist)
227 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
8 228
93.05 Thu Jun 19 23:23:52 CEST 2008 2293.05 Thu Jun 19 23:23:52 CEST 2008
10 - work around perl overriding readdir etc. with thread-unsafe 230 - work around perl overriding readdir etc. with thread-unsafe
11 (sic!) versions. 231 (sic!) versions.
12 232

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