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Comparing IO-AIO/Changes (file contents):
Revision 1.112 by root, Sun Dec 31 17:07:32 2006 UTC vs.
Revision 1.178 by root, Sun Apr 19 13:05:06 2009 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/rmtree 4TODO: aio_cptree/mvtree
5TODO: aio_utime, aio_chmod, aio_chown? should simply stat/open first?
6TODO: reduce condvar fairness: schedule hot-cache-threads first? 5TODO: reduce condvar fairness: schedule hot-cache-threads first?
7TODO: fix setsig 6TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
7TODO: aio_fcntl, at least for file-locking
8 8
92.31 9# when apssing a ref as data buffer with dreaded perl 5.10
10perl: AIO.xs:662: XS_IO__AIO_aio_read: Assertion `!((data)->sv_flags & 0x00000800) || !((data)->sv_u.svu_rv)' failed.
11
123.17 Thu Nov 20 08:45:36 CET 2008
13 - (libeio) added aio_sync_file_range (untested).
14 - add aio_busy to @IO::AIO::AIO_REQ.
15
163.16 Wed Oct 22 18:28:01 CEST 2008
17 - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical
18 part to improve portability to perl 5.8 (reported by szymon).
19
203.15 Mon Oct 13 00:39:55 CEST 2008
21 - automatic removal of feeders was broken.
22 - (libeio) use a more robust method to detect whether a feeder
23 has added something to the group or not.
24
253.1 Thu Oct 2 13:34:40 CEST 2008
26 - pre-deref the passed callback object, for increased speed
27 and decreased memory usage.
28 - call on_next_submit callback even for aio_group - impact unknown,
29 but seems more correct.
30 - $req->cb now returns the original callback.
31 - (libeio) pass EIO_GROUP/aio_group requests through the queue without
32 requiring a thread switch.
33 - (libeio) status code of aio_futime and aio_utime was always passed 0.
34 - do some other ยต-optimisations.
35
363.07 Sat Aug 2 16:06:13 CEST 2008
37 - do not include LIBS in autoconf tests.
38
393.06 Tue Jul 15 12:41:32 CEST 2008
40 - move preadwritelock definition before it's first reference,
41 to make it compile again on broken platforms (they still exist)
42 or badly cofngiured perls (redhat...), reported by Rob Bloodgood.
43
443.05 Thu Jun 19 23:23:52 CEST 2008
45 - work around perl overriding readdir etc. with thread-unsafe
46 (sic!) versions.
47
483.04 Wed Jun 18 01:35:38 CEST 2008
49 - (libeio) fix eio_mknod, which confused it's arguments.
50 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
51 is stupid.
52 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
53 - (libeio) fix a bug that could potentially cause IO::AIO
54 not to get initialised properly.
55
563.03 Thu May 29 05:33:30 CEST 2008
57 - (libeio) correctly call pthread_attr_destroy ().
58 - (libeio) work around broken bsd headers once more.
59 - reduce shared library size again by not including wrappers.
60 - max_outstanding could cause poll to enter a busy-waiting loop.
61 - document the new IO::AIO::poll_cb result value.
62
633.02 Mon May 12 02:32:02 CEST 2008
64 - fix a memory leak on aio_readlink.
65 - bring back working fchmod.
66 - nop and busy now set result to 0.
67 - set errno to ENOMEM when allocation fails.
68
693.01 Sun May 11 03:07:03 CEST 2008
70 - (libeio) make it compile on systems without readahead or readdir_r.
71 - (libeio) improve configure check for readahead availability.
72 - do not try to link against -lrt.
73 - use a separate configure script for IO::AIO (not the libeio one).
74
753.0 Sun May 11 00:57:14 CEST 2008
76 - added bin/treescan to the distribution.
77 - switched to using libeio.
78 - LOTS OF INCOMPATIBLE CHANGES:
79 - remove signal functionality, it is not worth the effort.
80 - max_outstanding no longer returns the previous number of requests.
81 - poll_cb no longer returns number of requests.
82
832.62 Sat Apr 26 13:59:33 CEST 2008
84 - port to solaris perls configured for old posix
85 (analysed by Jost Krieger).
86 - keep a reference to the perl filehandle object in aio_close,
87 so it doesn't get closed prematurely, leading to ugly races.
88
892.61 Wed Apr 16 18:45:02 CEST 2008
90 - fix treescan output duplication and improve output ordering.
91 also display files given on the commandline.
92 - use a different algorithm for aio_close that is faster
93 and probably has even lower chances of blocking.
94 - do our own stack memory management for threads - linux
95 allocates outrageous amounts of VM (not so bad unless you
96 use mlockall...), which severely limits the number of threads
97 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
98 and 4096 * sizeof (long) (usually this is 16..64k).
99
1002.6 Sun Mar 30 08:28:11 CEST 2008
101 - added aio_sync.
102 - added aio_pathsync.
103 - fix prototypes of (void) functions.
104
1052.51 Sat Oct 6 16:04:54 CEST 2007
106 - perlio isn't generally threadsafe, so aio_close could not work reliably.
107 aio_close now tries a safe hack that might not be that asynchronous
108 (see the manpage for details).
109 - discard callback return values as to not grow the stack endlessly
110 when poll_cb handles many requests without returning.
111 - minor code cleanups.
112
1132.5 Thu Oct 4 14:49:08 CEST 2007
114 - replaced _fd2fh with faster xs code.
115 - aio_close will now try to do "the right thing" and thus might
116 work sensibly for the very first time.
117
1182.41 Mon Sep 24 21:28:21 CEST 2007
119 - after fork, invest some work to make sure that the poll_fileno
120 stays stable (by dup2'ing the new fd over the old one), to make
121 it easier for programs/libs that don't control their forking
122 behaviour and cannot recreate their watchers.
123
1242.4 Sun Aug 5 18:44:22 CEST 2007
125 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
126 successfully demonstrated that you can block on futimes...).
127 - allow undef as fileoffset for aio_read/write and use read/write(2)
128 internally (useful for sockets or O_APPEND handles).
129 - allow undef for length in aio_write.
130 - negative dataoffsets work as expected now in aio_read/aio_write.
131 - use NV instead of UV for 32 bit perls and file offsets, as NVs
132 have a larger range then.
133 - shared code between BDB and IO::AIO.
134 - aio_busy was completely broken. now fixed.
135 - readahead emulation now returns something.
136 - correctly set errno to ENOSYS on unimplemented functions
137 (should never happen, though).
138 - large changes to make it partially compile and run on win32,
139 but win32 lacks too much functionality, and perl overrides way
140 too many functions with crashing versions.
141
1422.33 Tue Jan 23 23:55:41 CET 2007
143 - fix install path (Andreas J. Koenig).
144
1452.32 Mon Jan 22 16:56:23 CET 2007
146 - added aio_rmtree.
147 - wow, aio_mkdir was missing.
148 - aio_load did return undef on error, not -1.
149 - use prefixexp not prefix in autoconf.pm
150 (suggested by ... rt.cpan.org unreachable).
151 - avoid installing autoconf.pm.
152
1532.31 Sat Jan 6 03:46:02 CET 2007
10 - added aio_load. 154 - added aio_load.
11 155
122.3 Sat Dec 23 05:48:07 CET 2006 1562.3 Sat Dec 23 05:48:07 CET 2006
13 - fix off-by-one bug in aio_read, causing memory corruption 157 - fix off-by-one bug in aio_read, causing memory corruption
14 or crashes. 158 or crashes.

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