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Comparing IO-AIO/Changes (file contents):
Revision 1.2 by root, Sun Jul 10 20:07:11 2005 UTC vs.
Revision 1.162 by root, Fri Jul 11 11:27:37 2008 UTC

1Revision history for IO::AIO 1Revision history for IO::AIO
2 2
3TODO: better autoconf.pm that can return LIBS etc.
4TODO: aio_cptree/mvtree
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
3 8
9 - move preadwritelock definition before it's first reference,
10 to make it compile again on broken platforms (they still exist).
11 rreported by Rob Bloodgood.
12
133.05 Thu Jun 19 23:23:52 CEST 2008
14 - work around perl overriding readdir etc. with thread-unsafe
15 (sic!) versions.
16
173.04 Wed Jun 18 01:35:38 CEST 2008
18 - (libeio) fix eio_mknod, which confused it's arguments.
19 - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this
20 is stupid.
21 - (libeio) fix eio__readahead prototype, patch by Jost Krieger.
22 - (libeio) fix a bug that could potentially cause IO::AIO
23 not to get initialised properly.
24
253.03 Thu May 29 05:33:30 CEST 2008
26 - (libeio) correctly call pthread_attr_destroy ().
27 - (libeio) work around broken bsd headers once more.
28 - reduce shared library size again by not including wrappers.
29 - max_outstanding could cause poll to enter a busy-waiting loop.
30 - document the new IO::AIO::poll_cb result value.
31
323.02 Mon May 12 02:32:02 CEST 2008
33 - fix a memory leak on aio_readlink.
34 - bring back working fchmod.
35 - nop and busy now set result to 0.
36 - set errno to ENOMEM when allocation fails.
37
383.01 Sun May 11 03:07:03 CEST 2008
39 - (libeio) make it compile on systems without readahead or readdir_r.
40 - (libeio) improve configure check for readahead availability.
41 - do not try to link against -lrt.
42 - use a separate configure script for IO::AIO (not the libeio one).
43
443.0 Sun May 11 00:57:14 CEST 2008
45 - added bin/treescan to the distribution.
46 - switched to using libeio.
47 - LOTS OF INCOMPATIBLE CHANGES:
48 - remove signal functionality, it is not worth the effort.
49 - max_outstanding no longer returns the previous number of requests.
50 - poll_cb no longer returns number of requests.
51
522.62 Sat Apr 26 13:59:33 CEST 2008
53 - port to solaris perls configured for old posix
54 (analysed by Jost Krieger).
55 - keep a reference to the perl filehandle object in aio_close,
56 so it doesn't get closed prematurely, leading to ugly races.
57
582.61 Wed Apr 16 18:45:02 CEST 2008
59 - fix treescan output duplication and improve output ordering.
60 also display files given on the commandline.
61 - use a different algorithm for aio_close that is faster
62 and probably has even lower chances of blocking.
63 - do our own stack memory management for threads - linux
64 allocates outrageous amounts of VM (not so bad unless you
65 use mlockall...), which severely limits the number of threads
66 on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN
67 and 4096 * sizeof (long) (usually this is 16..64k).
68
692.6 Sun Mar 30 08:28:11 CEST 2008
70 - added aio_sync.
71 - added aio_pathsync.
72 - fix prototypes of (void) functions.
73
742.51 Sat Oct 6 16:04:54 CEST 2007
75 - perlio isn't generally threadsafe, so aio_close could not work reliably.
76 aio_close now tries a safe hack that might not be that asynchronous
77 (see the manpage for details).
78 - discard callback return values as to not grow the stack endlessly
79 when poll_cb handles many requests without returning.
80 - minor code cleanups.
81
822.5 Thu Oct 4 14:49:08 CEST 2007
83 - replaced _fd2fh with faster xs code.
84 - aio_close will now try to do "the right thing" and thus might
85 work sensibly for the very first time.
86
872.41 Mon Sep 24 21:28:21 CEST 2007
88 - after fork, invest some work to make sure that the poll_fileno
89 stays stable (by dup2'ing the new fd over the old one), to make
90 it easier for programs/libs that don't control their forking
91 behaviour and cannot recreate their watchers.
92
932.4 Sun Aug 5 18:44:22 CEST 2007
94 - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux
95 successfully demonstrated that you can block on futimes...).
96 - allow undef as fileoffset for aio_read/write and use read/write(2)
97 internally (useful for sockets or O_APPEND handles).
98 - allow undef for length in aio_write.
99 - negative dataoffsets work as expected now in aio_read/aio_write.
100 - use NV instead of UV for 32 bit perls and file offsets, as NVs
101 have a larger range then.
102 - shared code between BDB and IO::AIO.
103 - aio_busy was completely broken. now fixed.
104 - readahead emulation now returns something.
105 - correctly set errno to ENOSYS on unimplemented functions
106 (should never happen, though).
107 - large changes to make it partially compile and run on win32,
108 but win32 lacks too much functionality, and perl overrides way
109 too many functions with crashing versions.
110
1112.33 Tue Jan 23 23:55:41 CET 2007
112 - fix install path (Andreas J. Koenig).
113
1142.32 Mon Jan 22 16:56:23 CET 2007
115 - added aio_rmtree.
116 - wow, aio_mkdir was missing.
117 - aio_load did return undef on error, not -1.
118 - use prefixexp not prefix in autoconf.pm
119 (suggested by ... rt.cpan.org unreachable).
120 - avoid installing autoconf.pm.
121
1222.31 Sat Jan 6 03:46:02 CET 2007
123 - added aio_load.
124
1252.3 Sat Dec 23 05:48:07 CET 2006
126 - fix off-by-one bug in aio_read, causing memory corruption
127 or crashes.
128
1292.21 Fri Dec 22 05:03:38 CET 2006
130 - minor doc updates.
131 - minor cleanups.
132 - IO::AIO::poll returns request count.
133 - undocumented and unfinished async-signal-reporting.
134
1352.2 Tue Oct 31 00:31:00 CET 2006
136 - minor doc updates.
137 - added aio_readlink.
138 - properly zero-terminate aio_read buffer.
139 - fix aio_read/write with nonzero dataoffset.
140 - reduced size of aio request structure.
141 - better diagnostics when pathnames etc. are not byte-encoded;
142 do not leak request in that case, either.
143
1442.1 Sun Oct 29 02:01:57 CET 2006
145 - INCOMPATIBLE CHANGE: replace IO::AIO::poll_some by
146 IO::AIO::max_poll_reqs and IO::AIO::max_poll_time.
147 - fix a bug in aio_move where it would fail everytime
148 it would have to copy files manually.
149 - doc updates.
150 - start threads only on (very low) demand.
151 - end superfluous threads automatically after 10s idling.
152 - add IO::AIO::max_idle to control this.
153 - some tuning applied to random places.
154 - add aio_mknod.
155
1562.0 Thu Oct 26 18:27:58 CEST 2006
157 - minor incompatibility: max_outstanding semantics have changed.
158 - major rewrite, consider all functionality EXPERIMENTAL.
159 - aio requests can be cancelled.
160 - callbacks can be (re-)set later.
161 - aio requests can choose between 9 priorities.
162 - add aio_group: aio requests can be grouped
163 into composite requests.
164 - generator interface for groups.
165 - add IO::AIO::poll_some.
166 - major documentation improvements.
167 - very minor bugfixes.
168 - add aio_nop for dummy requests.
169 - add aio_busy mainly for benchmarking and debugging.
170 - use "fast" mutexes on linux.
171 - use dynamic (and larger) buffers instead of
172 putting them onto the stack.
173 - optimise x86 and amd64 a bit.
174 - better error checking when ENOMEM.
175 - hopefully fix mem and dirp leaks on fork.
176 - warn about broken perl malloc.
177 - compiles on cygwin (but pread is broken on cygwin
178 which is not detected by autoconf, so you have to
179 edit autoconf/config.h yourself to enable emulation).
180
1811.8 Sat Jun 24 22:20:44 CEST 2006
182 - add and/or document aio_rename, aio_link, aio_symlink and aio_move.
183
1841.73 Wed Mar 1 22:49:32 CET 2006
185 - codename "jost"
186 - AIX/Solaris(?) aren't being helpful again, hardcode a value
187 for NAME_MAX and drive with your eyes closed (reported by
188 wcooley@nakedape.cc).
189
1901.72 Thu Feb 2 00:40:44 CET 2006
191 - another minor bug in aio_scandir, again, the callback was called
192 twice when the directory can't be stat'ed.
193
1941.71 Mon Dec 26 20:20:03 CET 2005
195 - grr, another minor bug in aio_scandir, this time resulting
196 in a runtime error.
197
1981.7 Mon Dec 26 19:29:48 CET 2005
199 - aio_scandir errornously called callback twice in some cases.
200 - added AnyEvent example.
201
2021.61 Wed Sep 7 19:40:42 CEST 2005
203 - no longer include $Config{libs}, as distros include too much
204 garbage in there that is not installed on typical systems
205 (for example, debian links perl against -lgdbm and many more
206 libraries despite perl not needing it, slowing down startup and
207 wasting memory).
208
2091.6 Tue Aug 30 17:44:44 CEST 2005
210 - added aio_readdir, aio_scandir.
211 - added aio_sendfile, including sendfile emulation when sendfile
212 isn't available. Linux, FreeBSD and HP-UX might work (sendfilev
213 support is unavailable on my solaris 8 machine, but preliminary
214 code is there. What's lacking is configury stuff and testing...).
215
2161.5 Sat Aug 20 02:32:19 CEST 2005
217 - create the aio threads on demand only (good after forking).
218 - somebody nagged about C89 compatibility, so this release should
219 be C89 compatible, but no guarantees for future ones.
220 - abort when the configure script fails.
221
2221.4 Wed Aug 17 08:07:27 CEST 2005
223 - forgot to recreate the pipe after forking, this could cause
224 deadlocks.
225
2261.3 Wed Aug 17 07:25:54 CEST 2005
227 - properly propagate exceptions from callbacks, instead of silently
228 eating them.
229 - use a different fork algorithm that avoids recursive callback
230 invocations and reduces fork latency in busy processes.
231 - fix a bug where the buffer scalar in aio_read got assigned the wrong
232 length after reading.
233 - fix a bug where the child would process some outstanding requests
234 from the parent.
235 - make a copy of the callback scalar, to avoid some very uncommon
236 (but valid) usages where the callback scalar changes.
237 - the callback was never freed in aio_read/aio_write.
238 - aio_read/aio_write will now set the readonly flag on the data
239 scalar for better error reporting.
240
2411.2 Wed Aug 17 01:22:58 CEST 2005
242 - verified on cygwin, linux/amd64+ia32+alpha, solaris.
243 - use SvPVbyte for filenames now. You *need* to encode your strings to
244 the external filename encoding first.
245 - fix the bug where filehandles could leak (again).
246 - clarify freebsd situation: make it work and tell me how, or go away
247 with your underdocumented, broken and outdated OS.
248 - fork'ing should now be officially supported (where linux and
249 posix contradict each other, I followed posix).
250 - only call read() once per poll, not twice (speedup).
251 - new functions: aio_rmdir, aio_symlink.
252 - force callback arguments to be undef or a reference, for better
253 error catching.
254
2551.1 Sun Aug 7 05:27:23 CEST 2005
256 - added configure script to detect availability of some calls.
257 (imperfect, as we cannot detect things like -lrt due to missing
258 feedback yet).
259 - emulate fdatasync via fsync, pread/pwrite via unsafe read/write
260 and readahead via manual reading on platforms lacking those.
261 - ported t/03_errors.t+framework by Brad Fitzpatrick
262 from Linux::AIO.
263 - removed XOPEN_SOURCE because stupid solaris 9 doesn't
264 compile with it enabled. Probably breaks others. Oh well.
265 - try to be more careful with errno on non-threaded perls.
266 - cygwins perl insisted on a matching open mode when morphing
267 the fd to an fh.
268 - convert sv's to "byte" encoding in aio_read/aio_write. Might
269 do that for pathnames, too, in the future, so make sure you
270 properly encode your pathnames.
271
2721.0 Fri Jul 22 10:43:30 CEST 2005
273 - aio_open did not reliably deliver (open) filehandles.
274 - all aio_*-functions keep a reference to the filehandle so
275 it doesn't go away while the aio requests is working on it.
276 - disable warnings in AIO.pm.
277
2780.9 Wed Jul 20 23:55:04 CEST 2005
279 - allow recursive calls to poll_cb, use less locking calls, too.
280 - fix the Gtk2-example in the SYNOPSIS.
281 - use pread/pwrite not pread64/pwrite64. this was simply a leftover
282 from Linux::AIO.
283 (found by compiling on cygwin. Unfortunately, cygwin declares but
284 does not implement pread/pwrite).
285 - only include <sys/syscall.h> on linux.
286
2870.5 Tue Jul 12 13:03:09 CEST 2005
288 - removed #include <endian.h>, it's not portable, and we don't
289 need it anyway.
290 - link against -lrt, as it might contain goodies such as fdatasync,
291 and often aio_read, which we do not use yet, but it shouldn't hurt.
292
2930.4 Mon Jul 11 05:28:25 CEST 2005
294 - added IO::AIO::flush, IO::AIO::poll.
295 - make callback argument optional for all calls.
296
2970.3 Mon Jul 11 01:42:37 CEST 2005
298 - restructured manpage.
299 - added SYNOPSIS with examples for Event, Glib, Tk.
300 - remove explicit context support so I don't have to maintain
301 it for threaded perls (i.e. it should work now :).
302
3030.2 Sun Jul 10 22:57:12 CEST 2005
4 - return immediately from poll_wait if nreqs==0. 304 - return immediately from poll_wait if nreqs==0.
5 - get rid of the request pipe and use faster thread-thread 305 - get rid of the request pipe and use faster thread-thread
6 communications. 306 communications for most requests and responses.
7 307
80.1 3080.1
9 - cloned from Linux::AIO, which is very similar. 309 - cloned from Linux::AIO, which is very similar.
10 310

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