| 1 | Revision history for IO::AIO |
1 | Revision history for IO::AIO |
| 2 | |
2 | |
| 3 | TODO: better autoconf.pm that can return LIBS etc. |
3 | TODO: better autoconf.pm that can return LIBS etc. |
| 4 | TODO: aio_cptree/mvtree/rmtree |
4 | TODO: aio_cptree/mvtree |
| 5 | TODO: aio_utime, aio_chmod, aio_chown? should simply stat/open first? |
|
|
| 6 | TODO: reduce condvar fairness: schedule hot-cache-threads first? |
5 | TODO: reduce condvar fairness: schedule hot-cache-threads first? |
|
|
6 | TODO: splice/tee/vmsplice? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/) |
|
|
7 | TODO: aio_fcntl, at least for file-locking |
|
|
8 | TODO: fallocate, if it wouldn't be so useless. |
|
|
9 | TODO: aio_mincore? |
|
|
10 | TODO: getxattr etc.? |
| 7 | |
11 | |
|
|
12 | TODO: MS_xxx, posix_fadvise, posix_madvise |
|
|
13 | TODO: realpath |
|
|
14 | - (libeio) work around a Linux (and likely FreeBSD and other |
|
|
15 | kernels) bug where sendfile would not transfer all the requested |
|
|
16 | bytes on large transfers, using a heuristic. |
|
|
17 | - buggy sendfile caused aio_move/copy to sometimes fail for big |
|
|
18 | files (fortunately it vchecks that the whole file has been |
|
|
19 | transferred...) |
|
|
20 | - use libecb for higher performance and higher portability. |
|
|
21 | - (libeio) disable sendfile on darwin, it's too broken. |
|
|
22 | - disable fork tests on !linux, as only linux supports mixing |
|
|
23 | pthread and fork in perl. |
|
|
24 | - document the fact that fork doesn't work anymore when using |
|
|
25 | this module, on anything !GNU/Linux. |
|
|
26 | |
|
|
27 | 3.9 Fri May 27 02:43:47 CEST 2011 |
|
|
28 | - (libeio) fix memory corruption in aio_readdirx for the flags |
|
|
29 | combination READDIR_STAT_ORDER | READDIR_DIRS_FIRST. |
|
|
30 | - add lots of newre POSIX and GNU/Linux-specific open |
|
|
31 | flags. |
|
|
32 | |
|
|
33 | 3.8 Sun Mar 27 12:25:33 CEST 2011 |
|
|
34 | - use nonstandard but maybe-working-on-bsd fork technique. |
|
|
35 | - support a max_idle value of 0. |
|
|
36 | - support setting of idle timeout value (IO::AIO::idle_timeout). |
|
|
37 | |
|
|
38 | 3.72 Fri Feb 11 04:25:38 CET 2011 |
|
|
39 | - use _POSIX_MEMLOCK_RANGE to detect mlock/munlock. |
|
|
40 | - aio_mknod always used a dev_t value of 0. |
|
|
41 | - new treescan option: --grep. |
|
|
42 | - add more S_IF macros, and major/minor/makedev "macros". |
|
|
43 | |
|
|
44 | 3.71 Thu Dec 30 08:18:46 CET 2010 |
|
|
45 | - the numerical result value passed to callbacks did not stringify |
|
|
46 | correctly, due to internal reuse and failure to reset the sv flags. |
|
|
47 | - actually test for posix_[mf]advise, as at least uClibc defines |
|
|
48 | _POSIX_ADVISORY_INFO without actually having any of the required |
|
|
49 | funcitonality. ugh. |
|
|
50 | |
|
|
51 | 3.7 Mon Nov 1 23:00:34 CET 2010 |
|
|
52 | - implement/add madvise, mmap, munmap, aio_mlockall, munlockall, |
|
|
53 | aio_mlock, munlock, msync and mtouch to @EXPORT_OK. |
|
|
54 | - document the sad state of affairs w.r.t. pthread on many bsds. |
|
|
55 | - do not enable mmap on systems without _POSIX_MAPPED_FILES |
|
|
56 | (openbsd 4.8). |
|
|
57 | - do not leak memory in IO::AIO::mmap when the scalar already |
|
|
58 | had string-data. |
|
|
59 | - add O_RDWR, O_APPEND and O_EXCL symbols and semi-document |
|
|
60 | them. |
|
|
61 | - cache the result IV, for a minor speedup in the common case. |
|
|
62 | - croak when an mmapped-scalar changes location, to detect |
|
|
63 | user-errors better. |
|
|
64 | - fix aio_readlink prototype. |
|
|
65 | |
|
|
66 | 3.65 Wed Mar 31 02:45:05 CEST 2010 |
|
|
67 | - actually use PATH_MAX instead of NAME_MAX for readlink, as to not |
|
|
68 | cut off long pathnames in aio_readlink (based on patch by |
|
|
69 | Rasmus Andersson). |
|
|
70 | - a double fork partially killed the event pipe (great testcase |
|
|
71 | by dormando). affects IO::AIO, BDB and Async::Interrupt. |
|
|
72 | - suck steve's dick and rename our symbols to avoid colliding |
|
|
73 | with nonstandard identifier spam on the broken os x pseudo-os. |
|
|
74 | affects IO::AIO and BDB. |
|
|
75 | |
|
|
76 | 3.6 Mon Jan 11 00:43:39 CET 2010 |
|
|
77 | - (libeio) more fixes for the freebsd/apple sendfile - broken by |
|
|
78 | manpage standards, but apparently correct accoridng to actual |
|
|
79 | kernel sources. |
|
|
80 | - add IO::AIO::mmap/munmap support. |
|
|
81 | - add IO::AIO::m(un)lockall support. |
|
|
82 | - clean up manpage. |
|
|
83 | |
|
|
84 | 3.5 Thu Jan 7 21:25:04 CET 2010 |
|
|
85 | - (liebio) fix freebsd sendfile (Vanilla Hsu). |
|
|
86 | - (libeio) also fix darwin sendfile that suffered from a similar bug. |
|
|
87 | - add aio_statvfs as interface to statvfs/fstatvfs. |
|
|
88 | - work around buggy symlink() on cygwin in the testsuite. |
|
|
89 | - wtf. freebsd-8.0 actually passes the testsuite! I knew |
|
|
90 | they could implement fork and semaphores one day! cheers! |
|
|
91 | |
|
|
92 | 3.4 Sat Jan 2 15:13:04 CET 2010 |
|
|
93 | - (libeio) max_poll_time was not properly converted to ticks. |
|
|
94 | - clarify cancel_subs description. |
|
|
95 | - IO::AIO::sendfile did not actually return the return value |
|
|
96 | from the sendfile call. |
|
|
97 | - implement aio_msync, aio_mtouch. |
|
|
98 | - (libeio) tentatively support darwin in sendfile. |
|
|
99 | |
|
|
100 | 3.31 Thu Nov 12 02:14:29 CET 2009 |
|
|
101 | - fix result status documentation of aio_copy, aio_move. |
|
|
102 | - speed up object creation considerably by avoiding |
|
|
103 | hash lookups. |
|
|
104 | |
|
|
105 | 3.3 Wed Aug 5 13:52:58 CEST 2009 |
|
|
106 | - use common::sense. |
|
|
107 | - use common schmorp.h header. |
|
|
108 | - allow integers (file descriptors) in addition to file handles. |
|
|
109 | - take advantage of linux' eventfd (but it seems slower on smp?). |
|
|
110 | - use poll not select on posix platforms. |
|
|
111 | |
|
|
112 | 3.261 Wed Jul 1 10:11:51 CEST 2009 |
|
|
113 | - more 0S X workarounds (patch by Tokuhiro Matsuno). |
|
|
114 | |
|
|
115 | 3.26 Tue Jun 30 09:33:26 CEST 2009 |
|
|
116 | - 0S X of course claims to be posix 2008 but lacks posix_fadvise. |
|
|
117 | try to work around this horribly broken OS in a somewhat hackish |
|
|
118 | way. might help other os's too. |
|
|
119 | |
|
|
120 | 3.25 Sat Jun 27 05:18:26 CEST 2009 |
|
|
121 | - added IO::AIO::fadvise and IO::AIO::sendfile. |
|
|
122 | - (libeio) replaced quicksort+insertion sort by a tuned radix |
|
|
123 | sort + insertion sort, resulting in comparable runtime (usually |
|
|
124 | faster) to the old version, but without any ill side effects on |
|
|
125 | degenerated (for quicksort) data. |
|
|
126 | - (libeio) correctly sort dirs by inodes if we have perfect type |
|
|
127 | knowledge and DIRS_FIRST is used. |
|
|
128 | - (libeio) internally the wrong DT_* constants were used, but no |
|
|
129 | known system has differing EIO_DT_*/DT_* values, so not an issue. |
|
|
130 | - removed a (harmless) assert that was left over on the code |
|
|
131 | but should not have been. |
|
|
132 | - use more correct types (change IO length from IV to VAL64, |
|
|
133 | which makes a difference on systems without 64 bit perls). |
|
|
134 | |
|
|
135 | 3.23 Sat Jun 13 16:57:58 CEST 2009 |
|
|
136 | - fix off-by-one bug in aio_readdir that was introduced in the |
|
|
137 | rushed 3.22 release. |
|
|
138 | |
|
|
139 | 3.22 Sat Jun 13 15:32:40 CEST 2009 |
|
|
140 | - speed up readdirx sort algorithm slightly. |
|
|
141 | - bin/treescan was missing from distro tarball. |
|
|
142 | |
|
|
143 | 3.21 Fri Jun 12 18:45:53 CEST 2009 |
|
|
144 | - new options --dirs and --files for treescan. |
|
|
145 | - install bin/treescan by default. |
|
|
146 | - (libeio) aio_readdir can now be cancelled while executing. |
|
|
147 | - fix a printf format string for 64 bit systems (could lead |
|
|
148 | to problems on big endian 64 bit systems). |
|
|
149 | - do not use qsort() but our own algorithm: glibc initialises |
|
|
150 | the whole locale and I/O subsystem inside qsort, causing |
|
|
151 | a stack overflow on 32 bit machines. The new sort uses much less |
|
|
152 | stack and is more than twice as fast in typical situations. |
|
|
153 | |
|
|
154 | 3.2 Sun Jun 7 20:30:05 CEST 2009 |
|
|
155 | - (libeio) pwrite emulation was even more flawed than intended and did |
|
|
156 | not restore the file offset. |
|
|
157 | - add aio_readdirx, which can return inode and filetype and sort |
|
|
158 | the names in various ways. |
|
|
159 | - unfortunately, utime, chmod, chown on an open file that has just |
|
|
160 | been written can easily block, which caused aio_copy to block the |
|
|
161 | process. no more! |
|
|
162 | - no longer rely on dst path in aio_copy when futime is available. |
|
|
163 | |
|
|
164 | 3.19 Tue Apr 21 22:05:21 CEST 2009 |
|
|
165 | - more perl 5.10 workarounds for aio_read and write. |
|
|
166 | - aio_write no longer modifies the sv (if possible). |
|
|
167 | - aio_read now works correctly with magic values. |
|
|
168 | |
|
|
169 | 3.18 Sun Apr 19 21:17:32 CEST 2009 |
|
|
170 | - better diagnostics when some aio_* functions get passed an illegal fh. |
|
|
171 | - try to avoid crashes due to incompatible 5.10 API changes. grmbl. |
|
|
172 | |
|
|
173 | 3.17 Thu Nov 20 08:45:36 CET 2008 |
|
|
174 | - (libeio) added aio_sync_file_range (untested). |
|
|
175 | - add aio_busy to @IO::AIO::AIO_REQ. |
|
|
176 | |
|
|
177 | 3.16 Wed Oct 22 18:28:01 CEST 2008 |
|
|
178 | - use SvREFCNT_inc instead of SvREFCNT_inc_NN in a non-speed critical |
|
|
179 | part to improve portability to perl 5.8 (reported by szymon). |
|
|
180 | |
|
|
181 | 3.15 Mon Oct 13 00:39:55 CEST 2008 |
|
|
182 | - automatic removal of feeders was broken. |
|
|
183 | - (libeio) use a more robust method to detect whether a feeder |
|
|
184 | has added something to the group or not. |
|
|
185 | |
|
|
186 | 3.1 Thu Oct 2 13:34:40 CEST 2008 |
|
|
187 | - pre-deref the passed callback object, for increased speed |
|
|
188 | and decreased memory usage. |
|
|
189 | - call on_next_submit callback even for aio_group - impact unknown, |
|
|
190 | but seems more correct. |
|
|
191 | - $req->cb now returns the original callback. |
|
|
192 | - (libeio) pass EIO_GROUP/aio_group requests through the queue without |
|
|
193 | requiring a thread switch. |
|
|
194 | - (libeio) status code of aio_futime and aio_utime was always passed 0. |
|
|
195 | - do some other ยต-optimisations. |
|
|
196 | |
|
|
197 | 3.07 Sat Aug 2 16:06:13 CEST 2008 |
|
|
198 | - do not include LIBS in autoconf tests. |
|
|
199 | |
|
|
200 | 3.06 Tue Jul 15 12:41:32 CEST 2008 |
|
|
201 | - move preadwritelock definition before it's first reference, |
|
|
202 | to make it compile again on broken platforms (they still exist) |
|
|
203 | or badly cofngiured perls (redhat...), reported by Rob Bloodgood. |
|
|
204 | |
|
|
205 | 3.05 Thu Jun 19 23:23:52 CEST 2008 |
|
|
206 | - work around perl overriding readdir etc. with thread-unsafe |
|
|
207 | (sic!) versions. |
|
|
208 | |
|
|
209 | 3.04 Wed Jun 18 01:35:38 CEST 2008 |
|
|
210 | - (libeio) fix eio_mknod, which confused it's arguments. |
|
|
211 | - (libeio) do not use readdir_r, as Ulrich Drepper pointed out that this |
|
|
212 | is stupid. |
|
|
213 | - (libeio) fix eio__readahead prototype, patch by Jost Krieger. |
|
|
214 | - (libeio) fix a bug that could potentially cause IO::AIO |
|
|
215 | not to get initialised properly. |
|
|
216 | |
|
|
217 | 3.03 Thu May 29 05:33:30 CEST 2008 |
|
|
218 | - (libeio) correctly call pthread_attr_destroy (). |
|
|
219 | - (libeio) work around broken bsd headers once more. |
|
|
220 | - reduce shared library size again by not including wrappers. |
|
|
221 | - max_outstanding could cause poll to enter a busy-waiting loop. |
|
|
222 | - document the new IO::AIO::poll_cb result value. |
|
|
223 | |
|
|
224 | 3.02 Mon May 12 02:32:02 CEST 2008 |
|
|
225 | - fix a memory leak on aio_readlink. |
|
|
226 | - bring back working fchmod. |
|
|
227 | - nop and busy now set result to 0. |
|
|
228 | - set errno to ENOMEM when allocation fails. |
|
|
229 | |
|
|
230 | 3.01 Sun May 11 03:07:03 CEST 2008 |
|
|
231 | - (libeio) make it compile on systems without readahead or readdir_r. |
|
|
232 | - (libeio) improve configure check for readahead availability. |
|
|
233 | - do not try to link against -lrt. |
|
|
234 | - use a separate configure script for IO::AIO (not the libeio one). |
|
|
235 | |
|
|
236 | 3.0 Sun May 11 00:57:14 CEST 2008 |
|
|
237 | - added bin/treescan to the distribution. |
|
|
238 | - switched to using libeio. |
|
|
239 | - LOTS OF INCOMPATIBLE CHANGES: |
|
|
240 | - remove signal functionality, it is not worth the effort. |
|
|
241 | - max_outstanding no longer returns the previous number of requests. |
|
|
242 | - poll_cb no longer returns number of requests. |
|
|
243 | |
|
|
244 | 2.62 Sat Apr 26 13:59:33 CEST 2008 |
|
|
245 | - port to solaris perls configured for old posix |
|
|
246 | (analysed by Jost Krieger). |
|
|
247 | - keep a reference to the perl filehandle object in aio_close, |
|
|
248 | so it doesn't get closed prematurely, leading to ugly races. |
|
|
249 | |
|
|
250 | 2.61 Wed Apr 16 18:45:02 CEST 2008 |
|
|
251 | - fix treescan output duplication and improve output ordering. |
|
|
252 | also display files given on the commandline. |
|
|
253 | - use a different algorithm for aio_close that is faster |
|
|
254 | and probably has even lower chances of blocking. |
|
|
255 | - do our own stack memory management for threads - linux |
|
|
256 | allocates outrageous amounts of VM (not so bad unless you |
|
|
257 | use mlockall...), which severely limits the number of threads |
|
|
258 | on 32-bit arches: stack size is the larger of PTHREAD_STACK_MIN |
|
|
259 | and 4096 * sizeof (long) (usually this is 16..64k). |
|
|
260 | |
|
|
261 | 2.6 Sun Mar 30 08:28:11 CEST 2008 |
|
|
262 | - added aio_sync. |
|
|
263 | - added aio_pathsync. |
|
|
264 | - fix prototypes of (void) functions. |
|
|
265 | |
|
|
266 | 2.51 Sat Oct 6 16:04:54 CEST 2007 |
|
|
267 | - perlio isn't generally threadsafe, so aio_close could not work reliably. |
|
|
268 | aio_close now tries a safe hack that might not be that asynchronous |
|
|
269 | (see the manpage for details). |
|
|
270 | - discard callback return values as to not grow the stack endlessly |
|
|
271 | when poll_cb handles many requests without returning. |
|
|
272 | - minor code cleanups. |
|
|
273 | |
|
|
274 | 2.5 Thu Oct 4 14:49:08 CEST 2007 |
|
|
275 | - replaced _fd2fh with faster xs code. |
|
|
276 | - aio_close will now try to do "the right thing" and thus might |
|
|
277 | work sensibly for the very first time. |
|
|
278 | |
|
|
279 | 2.41 Mon Sep 24 21:28:21 CEST 2007 |
|
|
280 | - after fork, invest some work to make sure that the poll_fileno |
|
|
281 | stays stable (by dup2'ing the new fd over the old one), to make |
|
|
282 | it easier for programs/libs that don't control their forking |
|
|
283 | behaviour and cannot recreate their watchers. |
|
|
284 | |
|
|
285 | 2.4 Sun Aug 5 18:44:22 CEST 2007 |
|
|
286 | - add aio_truncate, aio_chmod, aio_chown, aio_utime (linux |
|
|
287 | successfully demonstrated that you can block on futimes...). |
|
|
288 | - allow undef as fileoffset for aio_read/write and use read/write(2) |
|
|
289 | internally (useful for sockets or O_APPEND handles). |
|
|
290 | - allow undef for length in aio_write. |
|
|
291 | - negative dataoffsets work as expected now in aio_read/aio_write. |
|
|
292 | - use NV instead of UV for 32 bit perls and file offsets, as NVs |
|
|
293 | have a larger range then. |
|
|
294 | - shared code between BDB and IO::AIO. |
|
|
295 | - aio_busy was completely broken. now fixed. |
|
|
296 | - readahead emulation now returns something. |
|
|
297 | - correctly set errno to ENOSYS on unimplemented functions |
|
|
298 | (should never happen, though). |
|
|
299 | - large changes to make it partially compile and run on win32, |
|
|
300 | but win32 lacks too much functionality, and perl overrides way |
|
|
301 | too many functions with crashing versions. |
|
|
302 | |
|
|
303 | 2.33 Tue Jan 23 23:55:41 CET 2007 |
|
|
304 | - fix install path (Andreas J. Koenig). |
|
|
305 | |
|
|
306 | 2.32 Mon Jan 22 16:56:23 CET 2007 |
|
|
307 | - added aio_rmtree. |
|
|
308 | - wow, aio_mkdir was missing. |
|
|
309 | - aio_load did return undef on error, not -1. |
|
|
310 | - use prefixexp not prefix in autoconf.pm |
|
|
311 | (suggested by ... rt.cpan.org unreachable). |
|
|
312 | - avoid installing autoconf.pm. |
|
|
313 | |
|
|
314 | 2.31 Sat Jan 6 03:46:02 CET 2007 |
|
|
315 | - added aio_load. |
|
|
316 | |
|
|
317 | 2.3 Sat Dec 23 05:48:07 CET 2006 |
|
|
318 | - fix off-by-one bug in aio_read, causing memory corruption |
|
|
319 | or crashes. |
|
|
320 | |
|
|
321 | 2.21 Fri Dec 22 05:03:38 CET 2006 |
|
|
322 | - minor doc updates. |
| 8 | - minor cleanups. |
323 | - minor cleanups. |
| 9 | - IO::AIO::poll returns request count. |
324 | - IO::AIO::poll returns request count. |
|
|
325 | - undocumented and unfinished async-signal-reporting. |
| 10 | |
326 | |
| 11 | 2.2 Tue Oct 31 00:31:00 CET 2006 |
327 | 2.2 Tue Oct 31 00:31:00 CET 2006 |
| 12 | - minor doc updates. |
328 | - minor doc updates. |
| 13 | - added aio_readlink. |
329 | - added aio_readlink. |
| 14 | - properly zero-terminate aio_read buffer. |
330 | - properly zero-terminate aio_read buffer. |
