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Comparing IO-AIO/Changes (file contents):
Revision 1.77 by root, Mon Oct 23 00:50:10 2006 UTC vs.
Revision 1.159 by root, Tue Jun 17 23:38:10 2008 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: use feeder for aio_scandir. 4TODO: aio_cptree/mvtree
5TODO: -lock/unlock, +callback/etc. 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/)
7TODO: aio_fcntl, at least for file-locking
6 8
72.0 93.04 Wed Jun 18 01:35:38 CEST 2008
10 - (libeio) fix eio_mknod, which confused it's arguments.
11 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
12 is stupid.
13 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
14 - (libeio) fix a bug that could potentially cause IO::AIO
15 not to get initialised properly.
16
173.03 Thu May 29 05:33:30 CEST 2008
18 - (libeio) correctly call pthread_attr_destroy ().
19 - (libeio) work around broken bsd headers once more.
20 - reduce shared library size again by not including wrappers.
21 - max_outstanding could cause poll to enter a busy-waiting loop.
22 - document the new IO::AIO::poll_cb result value.
23
243.02 Mon May 12 02:32:02 CEST 2008
25 - fix a memory leak on aio_readlink.
26 - bring back working fchmod.
27 - nop and busy now set result to 0.
28 - set errno to ENOMEM when allocation fails.
29
303.01 Sun May 11 03:07:03 CEST 2008
31 - (libeio) make it compile on systems without readahead or readdir_r.
32 - (libeio) improve configure check for readahead availability.
33 - do not try to link against -lrt.
34 - use a separate configure script for IO::AIO (not the libeio one).
35
363.0 Sun May 11 00:57:14 CEST 2008
37 - added bin/treescan to the distribution.
38 - switched to using libeio.
39 - LOTS OF INCOMPATIBLE CHANGES:
40 - remove signal functionality, it is not worth the effort.
41 - max_outstanding no longer returns the previous number of requests.
42 - poll_cb no longer returns number of requests.
43
442.62 Sat Apr 26 13:59:33 CEST 2008
45 - port to solaris perls configured for old posix
46 (analysed by Jost Krieger).
47 - keep a reference to the perl filehandle object in aio_close,
48 so it doesn't get closed prematurely, leading to ugly races.
49
502.61 Wed Apr 16 18:45:02 CEST 2008
51 - fix treescan output duplication and improve output ordering.
52 also display files given on the commandline.
53 - use a different algorithm for aio_close that is faster
54 and probably has even lower chances of blocking.
55 - do our own stack memory management for threads - linux
56 allocates outrageous amounts of VM (not so bad unless you
57 use mlockall...), which severely limits the number of threads
58 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
59 and 4096 * sizeof (long) (usually this is 16..64k).
60
612.6 Sun Mar 30 08:28:11 CEST 2008
62 - added aio_sync.
63 - added aio_pathsync.
64 - fix prototypes of (void) functions.
65
662.51 Sat Oct 6 16:04:54 CEST 2007
67 - perlio isn't generally threadsafe, so aio_close could not work reliably.
68 aio_close now tries a safe hack that might not be that asynchronous
69 (see the manpage for details).
70 - discard callback return values as to not grow the stack endlessly
71 when poll_cb handles many requests without returning.
72 - minor code cleanups.
73
742.5 Thu Oct 4 14:49:08 CEST 2007
75 - replaced _fd2fh with faster xs code.
76 - aio_close will now try to do "the right thing" and thus might
77 work sensibly for the very first time.
78
792.41 Mon Sep 24 21:28:21 CEST 2007
80 - after fork, invest some work to make sure that the poll_fileno
81 stays stable (by dup2'ing the new fd over the old one), to make
82 it easier for programs/libs that don't control their forking
83 behaviour and cannot recreate their watchers.
84
852.4 Sun Aug 5 18:44:22 CEST 2007
86 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
87 successfully demonstrated that you can block on futimes...).
88 - allow undef as fileoffset for aio_read/write and use read/write(2)
89 internally (useful for sockets or O_APPEND handles).
90 - allow undef for length in aio_write.
91 - negative dataoffsets work as expected now in aio_read/aio_write.
92 - use NV instead of UV for 32 bit perls and file offsets, as NVs
93 have a larger range then.
94 - shared code between BDB and IO::AIO.
95 - aio_busy was completely broken. now fixed.
96 - readahead emulation now returns something.
97 - correctly set errno to ENOSYS on unimplemented functions
98 (should never happen, though).
99 - large changes to make it partially compile and run on win32,
100 but win32 lacks too much functionality, and perl overrides way
101 too many functions with crashing versions.
102
1032.33 Tue Jan 23 23:55:41 CET 2007
104 - fix install path (Andreas J. Koenig).
105
1062.32 Mon Jan 22 16:56:23 CET 2007
107 - added aio_rmtree.
108 - wow, aio_mkdir was missing.
109 - aio_load did return undef on error, not -1.
110 - use prefixexp not prefix in autoconf.pm
111 (suggested by ... rt.cpan.org unreachable).
112 - avoid installing autoconf.pm.
113
1142.31 Sat Jan 6 03:46:02 CET 2007
115 - added aio_load.
116
1172.3 Sat Dec 23 05:48:07 CET 2006
118 - fix off-by-one bug in aio_read, causing memory corruption
119 or crashes.
120
1212.21 Fri Dec 22 05:03:38 CET 2006
122 - minor doc updates.
123 - minor cleanups.
124 - IO::AIO::poll returns request count.
125 - undocumented and unfinished async-signal-reporting.
126
1272.2 Tue Oct 31 00:31:00 CET 2006
128 - minor doc updates.
129 - added aio_readlink.
130 - properly zero-terminate aio_read buffer.
131 - fix aio_read/write with nonzero dataoffset.
132 - reduced size of aio request structure.
133 - better diagnostics when pathnames etc. are not byte-encoded;
134 do not leak request in that case, either.
135
1362.1 Sun Oct 29 02:01:57 CET 2006
137 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by
138 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time.
139 - fix a bug in aio_move where it would fail everytime
140 it would have to copy files manually.
141 - doc updates.
142 - start threads only on (very low) demand.
143 - end superfluous threads automatically after 10s idling.
144 - add IO::AIO::max_idle to control this.
145 - some tuning applied to random places.
146 - add aio_mknod.
147
1482.0 Thu Oct 26 18:27:58 CEST 2006
149 - minor incompatibility: max_outstanding semantics have changed.
150 - major rewrite, consider all functionality EXPERIMENTAL.
8 - aio requests can be cancelled. 151 - aio requests can be cancelled.
152 - callbacks can be (re-)set later.
153 - aio requests can choose between 9 priorities.
9 - add aio_group: aio requests can be grouped. 154 - add aio_group: aio requests can be grouped
155 into composite requests.
10 - implement generator interface for groups. 156 - generator interface for groups.
157 - add IO::AIO::poll_some.
11 - major documentation improvements. 158 - major documentation improvements.
12 - very minor bugfixes. 159 - very minor bugfixes.
13 - add aio_nop for dummy requests. 160 - add aio_nop for dummy requests.
14 - add aio_sleep mainly for benchmarking and debugging. 161 - add aio_busy mainly for benchmarking and debugging.
15 - deprecated max_outstanding. 162 - use "fast" mutexes on linux.
163 - use dynamic (and larger) buffers instead of
164 putting them onto the stack.
165 - optimise x86 and amd64 a bit.
166 - better error checking when ENOMEM.
167 - hopefully fix mem and dirp leaks on fork.
168 - warn about broken perl malloc.
169 - compiles on cygwin (but pread is broken on cygwin
170 which is not detected by autoconf, so you have to
171 edit autoconf/config.h yourself to enable emulation).
16 172
171.8 Sat Jun 24 22:20:44 CEST 2006 1731.8 Sat Jun 24 22:20:44 CEST 2006
18 - add and/or document aio_rename, aio_link, aio_symlink and aio_move. 174 - add and/or document aio_rename, aio_link, aio_symlink and aio_move.
19 175
201.73 Wed Mar 1 22:49:32 CET 2006 1761.73 Wed Mar 1 22:49:32 CET 2006
… …
54 - somebody nagged about C89 compatibility, so this release should 210 - somebody nagged about C89 compatibility, so this release should
55 be C89 compatible, but no guarantees for future ones. 211 be C89 compatible, but no guarantees for future ones.
56 - abort when the configure script fails. 212 - abort when the configure script fails.
57 213
581.4 Wed Aug 17 08:07:27 CEST 2005 2141.4 Wed Aug 17 08:07:27 CEST 2005
59 - forget to recreate the pipe after forking, this could cause 215 - forgot to recreate the pipe after forking, this could cause
60 deadlocks. 216 deadlocks.
61 217
621.3 Wed Aug 17 07:25:54 CEST 2005 2181.3 Wed Aug 17 07:25:54 CEST 2005
63 - properly propagate exceptions from callbacks, instead of silently 219 - properly propagate exceptions from callbacks, instead of silently
64 eating them. 220 eating them.

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