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Comparing IO-AIO/Changes (file contents):
Revision 1.134 by root, Sun Dec 2 20:54:33 2007 UTC vs.
Revision 1.249 by root, Thu May 19 22:57:05 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: fix setsig
7TODO: 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
8TODO: fallocate, if it wouldn't be so useless.
9TODO: aio_mincore?
10TODO: add? also linux-specific stuff?
8 11
92.6 12 const_iv (O_ASYNC)
13 const_iv (O_DIRECT)
14 const_iv (O_NOATIME)
15
16 const_iv (O_CLOEXEC)
17 const_iv (O_NOCTTY)
18 const_iv (O_NOFOLLOW)
19 const_iv (O_NONBLOCK)
20 const_iv (O_EXEC)
21 const_iv (O_SEARCH)
22 const_iv (O_DIRECTORY)
23 const_iv (O_DSYNC)
24 const_iv (O_RSYNC)
25 const_iv (O_SYNC)
26 const_iv (O_TTY_INIT)
27
28
293.8 Sun Mar 27 12:25:33 CEST 2011
30 - use nonstandard but maybe-working-on-bsd fork technique.
31 - support a max_idle value of 0.
32 - support setting of idle timeout value (IO::AIO::idle_timeout).
33
343.72 Fri Feb 11 04:25:38 CET 2011
35 - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock.
36 - aio_mknod always used a dev_t value of 0.
37 - new treescan option: --grep.
38 - add more S_IF macros, and major/minor/makedev "macros".
39
403.71 Thu Dec 30 08:18:46 CET 2010
41 - the numerical result value passed to callbacks did not stringify
42 correctly, due to internal reuse and failure to reset the sv flags.
43 - actually test for posix_[mf]advise, as at least uClibc defines
44 _POSIX_ADVISORY_INFO without actually having any of the required
45 funcitonality. ugh.
46
473.7 Mon Nov 1 23:00:34 CET 2010
48 - implement/add madvise, mmap, munmap, aio_mlockall, munlockall,
49 aio_mlock, munlock, msync and mtouch to @EXPORT_OK.
50 - document the sad state of affairs w.r.t. pthread on many bsds.
51 - do not enable mmap on systems without _POSIX_MAPPED_FILES
52 (openbsd 4.8).
53 - do not leak memory in IO::AIO::mmap when the scalar already
54 had string-data.
55 - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document
56 them.
57 - cache the result IV, for a minor speedup in the common case.
58 - croak when an mmapped-scalar changes location, to detect
59 user-errors better.
60 - fix aio_readlink prototype.
61
623.65 Wed Mar 31 02:45:05 CEST 2010
63 - actually use PATH_MAX instead of NAME_MAX for readlink, as to not
64 cut off long pathnames in aio_readlink (based on patch by
65 Rasmus Andersson).
66 - a double fork partially killed the event pipe (great testcase
67 by dormando). affects IO::AIO, BDB and Async::Interrupt.
68 - suck steve's dick and rename our symbols to avoid colliding
69 with nonstandard identifier spam on the broken os x pseudo-os.
70 affects IO::AIO and BDB.
71
723.6 Mon Jan 11 00:43:39 CET 2010
73 - (libeio) more fixes for the freebsd/apple sendfile - broken by
74 manpage standards, but apparently correct accoridng to actual
75 kernel sources.
76 - add IO::AIO::mmap/munmap support.
77 - add IO::AIO::m(un)lockall support.
78 - clean up manpage.
79
803.5 Thu Jan 7 21:25:04 CET 2010
81 - (liebio) fix freebsd sendfile (Vanilla Hsu).
82 - (libeio) also fix darwin sendfile that suffered from a similar bug.
83 - add aio_statvfs as interface to statvfs/fstatvfs.
84 - work around buggy symlink() on cygwin in the testsuite.
85 - wtf. freebsd-8.0 actually passes the testsuite! I knew
86 they could implement fork and semaphores one day! cheers!
87
883.4 Sat Jan 2 15:13:04 CET 2010
89 - (libeio) max_poll_time was not properly converted to ticks.
90 - clarify cancel_subs description.
91 - IO::AIO::sendfile did not actually return the return value
92 from the sendfile call.
93 - implement aio_msync, aio_mtouch.
94 - (libeio) tentatively support darwin in sendfile.
95
963.31 Thu Nov 12 02:14:29 CET 2009
97 - fix result status documentation of aio_copy, aio_move.
98 - speed up object creation considerably by avoiding
99 hash lookups.
100
1013.3 Wed Aug 5 13:52:58 CEST 2009
102 - use common::sense.
103 - use common schmorp.h header.
104 - allow integers (file descriptors) in addition to file handles.
105 - take advantage of linux' eventfd (but it seems slower on smp?).
106 - use poll not select on posix platforms.
107
1083.261 Wed Jul 1 10:11:51 CEST 2009
109 - more 0S X workarounds (patch by Tokuhiro Matsuno).
110
1113.26 Tue Jun 30 09:33:26 CEST 2009
112 - 0S X of course claims to be posix 2008 but lacks posix_fadvise.
113 try to work around this horribly broken OS in a somewhat hackish
114 way. might help other os's too.
115
1163.25 Sat Jun 27 05:18:26 CEST 2009
117 - added IO::AIO::fadvise and IO::AIO::sendfile.
118 - (libeio) replaced quicksort+insertion sort by a tuned radix
119 sort + insertion sort, resulting in comparable runtime (usually
120 faster) to the old version, but without any ill side effects on
121 degenerated (for quicksort) data.
122 - (libeio) correctly sort dirs by inodes if we have perfect type
123 knowledge and DIRS_FIRST is used.
124 - (libeio) internally the wrong DT_* constants were used, but no
125 known system has differing EIO_DT_*/DT_* values, so not an issue.
126 - removed a (harmless) assert that was left over on the code
127 but should not have been.
128 - use more correct types (change IO length from IV to VAL64,
129 which makes a difference on systems without 64 bit perls).
130
1313.23 Sat Jun 13 16:57:58 CEST 2009
132 - fix off-by-one bug in aio_readdir that was introduced in the
133 rushed 3.22 release.
134
1353.22 Sat Jun 13 15:32:40 CEST 2009
136 - speed up readdirx sort algorithm slightly.
137 - bin/treescan was missing from distro tarball.
138
1393.21 Fri Jun 12 18:45:53 CEST 2009
140 - new options --dirs and --files for treescan.
141 - install bin/treescan by default.
142 - (libeio) aio_readdir can now be cancelled while executing.
143 - fix a printf format string for 64 bit systems (could lead
144 to problems on big endian 64 bit systems).
145 - do not use qsort() but our own algorithm: glibc initialises
146 the whole locale and I/O subsystem inside qsort, causing
147 a stack overflow on 32 bit machines. The new sort uses much less
148 stack and is more than twice as fast in typical situations.
149
1503.2 Sun Jun 7 20:30:05 CEST 2009
151 - (libeio) pwrite emulation was even more flawed than intended and did
152 not restore the file offset.
153 - add aio_readdirx, which can return inode and filetype and sort
154 the names in various ways.
155 - unfortunately, utime, chmod, chown on an open file that has just
156 been written can easily block, which caused aio_copy to block the
157 process. no more!
158 - no longer rely on dst path in aio_copy when futime is available.
159
1603.19 Tue Apr 21 22:05:21 CEST 2009
161 - more perl 5.10 workarounds for aio_read and write.
162 - aio_write no longer modifies the sv (if possible).
163 - aio_read now works correctly with magic values.
164
1653.18 Sun Apr 19 21:17:32 CEST 2009
166 - better diagnostics when some aio_* functions get passed an illegal fh.
167 - try to avoid crashes due to incompatible 5.10 API changes. grmbl.
168
1693.17 Thu Nov 20 08:45:36 CET 2008
170 - (libeio) added aio_sync_file_range (untested).
171 - add aio_busy to @IO::AIO::AIO_REQ.
172
1733.16 Wed Oct 22 18:28:01 CEST 2008
174 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
175 part to improve portability to perl 5.8 (reported by szymon).
176
1773.15 Mon Oct 13 00:39:55 CEST 2008
178 - automatic removal of feeders was broken.
179 - (libeio) use a more robust method to detect whether a feeder
180 has added something to the group or not.
181
1823.1 Thu Oct 2 13:34:40 CEST 2008
183 - pre-deref the passed callback object, for increased speed
184 and decreased memory usage.
185 - call on_next_submit callback even for aio_group - impact unknown,
186 but seems more correct.
187 - $req->cb now returns the original callback.
188 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
189 requiring a thread switch.
190 - (libeio) status code of aio_futime and aio_utime was always passed 0.
191 - do some other ยต-optimisations.
192
1933.07 Sat Aug 2 16:06:13 CEST 2008
194 - do not include LIBS in autoconf tests.
195
1963.06 Tue Jul 15 12:41:32 CEST 2008
197 - move preadwritelock definition before it's first reference,
198 to make it compile again on broken platforms (they still exist)
199 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
200
2013.05 Thu Jun 19 23:23:52 CEST 2008
202 - work around perl overriding readdir etc. with thread-unsafe
203 (sic!) versions.
204
2053.04 Wed Jun 18 01:35:38 CEST 2008
206 - (libeio) fix eio_mknod, which confused it's arguments.
207 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
208 is stupid.
209 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
210 - (libeio) fix a bug that could potentially cause IO::AIO
211 not to get initialised properly.
212
2133.03 Thu May 29 05:33:30 CEST 2008
214 - (libeio) correctly call pthread_attr_destroy ().
215 - (libeio) work around broken bsd headers once more.
216 - reduce shared library size again by not including wrappers.
217 - max_outstanding could cause poll to enter a busy-waiting loop.
218 - document the new IO::AIO::poll_cb result value.
219
2203.02 Mon May 12 02:32:02 CEST 2008
221 - fix a memory leak on aio_readlink.
222 - bring back working fchmod.
223 - nop and busy now set result to 0.
224 - set errno to ENOMEM when allocation fails.
225
2263.01 Sun May 11 03:07:03 CEST 2008
227 - (libeio) make it compile on systems without readahead or readdir_r.
228 - (libeio) improve configure check for readahead availability.
229 - do not try to link against -lrt.
230 - use a separate configure script for IO::AIO (not the libeio one).
231
2323.0 Sun May 11 00:57:14 CEST 2008
233 - added bin/treescan to the distribution.
234 - switched to using libeio.
235 - LOTS OF INCOMPATIBLE CHANGES:
236 - remove signal functionality, it is not worth the effort.
237 - max_outstanding no longer returns the previous number of requests.
238 - poll_cb no longer returns number of requests.
239
2402.62 Sat Apr 26 13:59:33 CEST 2008
241 - port to solaris perls configured for old posix
242 (analysed by Jost Krieger).
243 - keep a reference to the perl filehandle object in aio_close,
244 so it doesn't get closed prematurely, leading to ugly races.
245
2462.61 Wed Apr 16 18:45:02 CEST 2008
247 - fix treescan output duplication and improve output ordering.
248 also display files given on the commandline.
249 - use a different algorithm for aio_close that is faster
250 and probably has even lower chances of blocking.
251 - do our own stack memory management for threads - linux
252 allocates outrageous amounts of VM (not so bad unless you
253 use mlockall...), which severely limits the number of threads
254 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
255 and 4096 * sizeof (long) (usually this is 16..64k).
256
2572.6 Sun Mar 30 08:28:11 CEST 2008
10 - added aio_sync. 258 - added aio_sync.
259 - added aio_pathsync.
260 - fix prototypes of (void) functions.
11 261
122.51 Sat Oct 6 16:04:54 CEST 2007 2622.51 Sat Oct 6 16:04:54 CEST 2007
13 - perlio isn't generally threadsafe, so aio_close could not work reliably. 263 - perlio isn't generally threadsafe, so aio_close could not work reliably.
14 aio_close now tries a safe hack that might not be that asynchronous 264 aio_close now tries a safe hack that might not be that asynchronous
15 (see the manpage for details). 265 (see the manpage for details).

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