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Revision: 1.112
Committed: Sat Apr 25 14:12:48 2009 UTC (15 years ago) by root
Branch: MAIN
Changes since 1.111: +1 -0 lines
Log Message:
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File Contents

# User Rev Content
1 root 1.14 Revision history for libev, a high-performance and full-featured event loop.
2 root 1.1
3 root 1.103 TODO: ev_walk
4 root 1.104 TODO: fix signal handling(?) under win32
5 root 1.106 3.54
6 root 1.107 - multiple timers becoming ready within an event loop iteration
7     will be invoked in the "correct" order now.
8 root 1.105 - do not leave the event loop early just because we have no active
9     watchers, fixing a problem when embedding a kqueue loop
10     that has active kernel events but no registered watchers
11     (reported by blacksand blacksand).
12 root 1.102 - correctly zero the idx values for arrays, so destroying and
13     reinitialising the default loop actually works (patch by
14     Malek Hadj-Ali).
15 root 1.108 - implement ev_suspend and ev_resume.
16 root 1.106 - new EV_CUSTOM revents flag for use by applications.
17 root 1.109 - add documentation section about priorites.
18     - add a glossary to the dcoumentation.
19 root 1.111 - extend the ev_fork description slightly.
20 root 1.112 - optimize a jump out of call_pending.
21 root 1.102
22 root 1.101 3.53 Sun Feb 15 02:38:20 CET 2009
23     - fix a bug in event pipe creation on win32 that would cause a
24     failed assertion on event loop creation (patch by Malek Hadj-Ali).
25 root 1.100 - probe for CLOCK_REALTIME support at runtime as well and fall
26     back to gettimeofday if there is an error, to support older
27     operating systems with newer header files/libraries.
28     - prefer gettimeofday over clock_gettime with USE_CLOCK_SYSCALL
29     (default most everywhere), otherwise not.
30    
31 root 1.99 3.52 Wed Jan 7 21:43:02 CET 2009
32 root 1.97 - fix compilation of select backend in fd_set mode when NFDBITS is
33     missing (to get it to compile on QNX, reported by Rodrigo Campos).
34     - better select-nfds handling when select backend is in fd_set mode.
35     - diagnose fd_set overruns when select backend is in fd_set mode.
36     - due to a thinko, instead of disabling everything but
37     select on the borked OS X platform, everything but select was
38     allowed (reported by Emanuele Giaquinta).
39 root 1.95 - actually verify that local and remote port are matching in
40     libev's socketpair emulation, which makes denial-of-service
41     attacks harder (but not impossible - it's windows). Make sure
42 root 1.96 it even works under vista, which thinks that getpeer/sockname
43     should return fantasy port numbers.
44 root 1.100 - include "libev" in all assertion messages for potentially
45 root 1.97 clearer diagnostics.
46 root 1.98 - event_get_version (libevent compatibility) returned
47     a useless string instead of the expected version string
48     (patch by W.C.A. Wijngaards).
49 root 1.95
50 root 1.94 3.51 Wed Dec 24 23:00:11 CET 2008
51 root 1.91 - fix a bug where an inotify watcher was added twice, causing
52 root 1.92 freezes on hash collisions (reported and analysed by Graham Leggett).
53 root 1.87 - new config symbol, EV_USE_CLOCK_SYSCALL, to make libev use
54     a direct syscall - slower, but no dependency on librt et al.
55 root 1.88 - assume negative return values != -1 signals success of port_getn
56     (http://cvs.epicsol.org/cgi/viewcvs.cgi/epic5/source/newio.c?rev=1.52)
57     (no known failure reports, but it doesn't hurt).
58 root 1.93 - fork detection in ev_embed now stops and restarts the watcher
59     automatically.
60 root 1.89 - EXPERIMENTAL: default the method to operator () in ev++.h,
61     to make it nicer to use functors (requested by Benedek László).
62     - fixed const object callbacks in ev++.h.
63 root 1.90 - replaced loop_ref argument of watcher.set (loop) by a direct
64     ev_loop * in ev++.h, to avoid clashes with functor patch.
65 root 1.91 - do not try to watch the empty string via inotify.
66 root 1.92 - inotify watchers could be leaked under certain circumstances.
67     - OS X 10.5 is actually even more broken than earlier versions,
68     so fall back to select on that piece of garbage.
69 root 1.93 - fixed some weirdness in the ev_embed documentation.
70 root 1.87
71 root 1.86 3.49 Wed Nov 19 11:26:53 CET 2008
72 root 1.83 - ev_stat watchers will now use inotify as a mere hint on
73     kernels <2.6.25, or if the filesystem is not in the
74     "known to be good" list.
75 root 1.84 - better mingw32 compatibility (it's not as borked as native win32)
76     (analysed by Roger Pack).
77 root 1.85 - include stdio.h in the example program, as too many people are
78     confused by the weird C language otherwise. I guess the next thing
79     I get told is that the "..." ellipses in the examples don't compile
80     with their C compiler.
81 root 1.83
82 root 1.80 3.48 Thu Oct 30 09:02:37 CET 2008
83 root 1.71 - further optimise away the EPOLL_CTL_ADD/MOD combo in the epoll
84     backend by assuming the kernel event mask hasn't changed if
85     ADD fails with EEXIST.
86 root 1.75 - work around spurious event notification bugs in epoll by using
87 root 1.77 a 32-bit generation counter. recreate kernel state if we receive
88 root 1.78 spurious notifications or unwanted events. this is very costly,
89     but I didn't come up with this horrible design.
90 root 1.71 - use memset to initialise most arrays now and do away with the
91     init functions.
92 root 1.72 - expand time-out strategies into a "Be smart about timeouts" section.
93     - drop the "struct" from all ev_watcher declarations in the
94 root 1.73 documentation and did other clarifications (yeah, it was a mistake
95     to have a struct AND a function called ev_loop).
96 root 1.74 - fix a bug where ev_default would not initialise the default
97     loop again after it was destroyed with ev_default_destroy.
98 root 1.79 - rename syserr to ev_syserr to avoid name clashes when embedding,
99     do similar changes for event.c.
100 root 1.71
101 root 1.69 3.45 Tue Oct 21 21:59:26 CEST 2008
102 root 1.67 - disable inotify usage on linux <2.6.25, as it is broken
103     (reported by Yoann Vandoorselaere).
104     - ev_stat errornously would try to add inotify watchers
105 root 1.68 even when inotify wasn't available (this should only
106 root 1.67 have a performance impact).
107 root 1.65 - ev_once now passes both timeout and io to the callback if both
108     occur concurrently, instead of giving timeouts precedence.
109 root 1.66 - disable EV_USE_INOTIFY when sys/inotify.h is too old.
110 root 1.65
111 root 1.62 3.44 Mon Sep 29 05:18:39 CEST 2008
112     - embed watchers now automatically invoke ev_loop_fork on the
113     embedded loop when the parent loop forks.
114 root 1.58 - new function: ev_now_update (loop).
115 root 1.57 - verify_watcher was not marked static.
116 root 1.59 - improve the "associating..." manpage section.
117 root 1.60 - documentation tweaks here and there.
118 root 1.57
119 root 1.56 3.43 Sun Jul 6 05:34:41 CEST 2008
120 root 1.54 - include more include files on windows to get struct _stati64
121 root 1.56 (reported by Chris Hulbert, but doesn't quite fix his issue).
122 root 1.53 - add missing #include <io.h> in ev.c on windows (reported by
123     Matt Tolton).
124    
125 root 1.52 3.42 Tue Jun 17 12:12:07 CEST 2008
126 root 1.50 - work around yet another windows bug: FD_SET actually adds fd's
127     multiple times to the fd_*SET*, despite official MSN docs claiming
128 root 1.51 otherwise. Reported and well-analysed by Matt Tolton.
129     - define NFDBITS to 0 when EV_SELECT_IS_WINSOCKET to make it compile
130 root 1.48 (reported any analysed by Chris Hulbert).
131 root 1.49 - fix a bug in ev_ebadf (this function is only used to catch
132     programming errors in the libev user). reported by Matt Tolton.
133     - fix a bug in fd_intern on win32 (could lead to compile errors
134     under some circumstances, but would work correctly if it compiles).
135     reported by Matt Tolton.
136 root 1.50 - (try to) work around missing lstat on windows.
137 root 1.45 - pass in the write fd set as except fd set under windows. windows
138 root 1.46 is so uncontrollably lame that it requires this. this means that
139     switching off oobinline is not supported (but tcp/ip doesn't
140     have oob, so that would be stupid anyways.
141 root 1.47 - use posix module symbol to auto-detect monotonic clock presence
142     and some other default values.
143 root 1.45
144 root 1.44 3.41 Fri May 23 18:42:54 CEST 2008
145 root 1.46 - work around an obscure bug in winsocket select: if you
146 root 1.40 provide only empty fd sets then select returns WSAEINVAL. how sucky.
147 root 1.41 - improve timer scheduling stability and reduce use of time_epsilon.
148 root 1.36 - use 1-based 2-heap for EV_MINIMAL, simplifies code, reduces
149     codesize and makes for better cache-efficiency.
150     - use 3-based 4-heap for !EV_MINIMAL. this makes better use
151     of cpu cache lines and gives better growth behaviour than
152     2-based heaps.
153 root 1.38 - cache timestamp within heap for !EV_MINIMAL, to avoid random
154     memory accesses.
155     - document/add EV_USE_4HEAP and EV_HEAP_CACHE_AT.
156 root 1.33 - fix a potential aliasing issue in ev_timer_again.
157 root 1.35 - add/document ev_periodic_at, retract direct access to ->at.
158     - improve ev_stat docs.
159     - add portability requirements section.
160 root 1.39 - fix manpage headers etc.
161 root 1.40 - normalise WSA error codes to lower range on windows.
162 root 1.43 - add consistency check code that can be called automatically
163     or on demand to check for internal structures (ev_loop_verify).
164 root 1.31
165 root 1.30 3.31 Wed Apr 16 20:45:04 CEST 2008
166     - added last minute fix for ev_poll.c by Brandon Black.
167 root 1.29
168 root 1.28 3.3 Wed Apr 16 19:04:10 CEST 2008
169 root 1.23 - event_base_loopexit should return 0 on success
170     (W.C.A. Wijngaards).
171 root 1.20 - added linux eventfd support.
172     - try to autodetect epoll and inotify support
173     by libc header version if not using autoconf.
174 root 1.21 - new symbols: EV_DEFAULT_UC and EV_DEFAULT_UC_.
175     - declare functions defined in ev.h as inline if
176     C99 or gcc are available.
177     - enable inlining with gcc versions 2 and 3.
178 root 1.25 - work around broken poll implementations potentially
179     not clearing revents field in ev_poll (Brandon Black)
180     (no such systems are known at this time).
181 root 1.23 - work around a bug in realloc on openbsd and darwin,
182     also makes the errornous valgrind complaints
183     go away (noted by various people).
184 root 1.26 - fix ev_async_pending, add c++ wrapper for ev_async
185     (based on patch sent by Johannes Deisenhofer.
186     - add sensible set method to ev::embed.
187 root 1.27 - made integer constants type int in ev.h.
188 root 1.20
189 root 1.19 3.2 Wed Apr 2 17:11:19 CEST 2008
190 root 1.15 - fix a 64 bit overflow issue in the select backend,
191     by using fd_mask instead of int for the mask.
192 root 1.16 - rename internal sighandler to avoid clash with very old perls.
193 root 1.18 - entering ev_loop will not clear the ONESHOT or NONBLOCKING
194     flags of any outer loops anymore.
195 root 1.17 - add ev_async_pending.
196 root 1.15
197 root 1.14 3.1 Thu Mar 13 13:45:22 CET 2008
198 root 1.12 - implement ev_async watchers.
199 root 1.10 - only initialise signal pipe on demand.
200     - make use of sig_atomic_t configurable.
201 root 1.14 - improved documentation.
202 root 1.10
203 root 1.9 3.0 Mon Jan 28 13:14:47 CET 2008
204 root 1.6 - API/ABI bump to version 3.0.
205 root 1.4 - ev++.h includes "ev.h" by default now, not <ev.h>.
206     - slightly improved documentation.
207 root 1.5 - speed up signal detection after a fork.
208 root 1.6 - only optionally return trace status changed in ev_child
209     watchers.
210 root 1.8 - experimental (and undocumented) loop wrappers for ev++.h.
211 root 1.4
212 root 1.2 2.01 Tue Dec 25 08:04:41 CET 2007
213 root 1.3 - separate Changes file.
214 root 1.2 - fix ev_path_set => ev_stat_set typo.
215     - remove event_compat.h from the libev tarball.
216     - change how include files are found.
217     - doc updates.
218     - update licenses, explicitly allow for GPL relicensing.
219    
220     2.0 Sat Dec 22 17:47:03 CET 2007
221     - new ev_sleep, ev_set_(io|timeout)_collect_interval.
222     - removed epoll from embeddable fd set.
223     - fix embed watchers.
224     - renamed ev_embed.loop to other.
225     - added exported Symbol tables.
226     - undefine member wrapper macros at the end of ev.c.
227     - respect EV_H in ev++.h.
228    
229     1.86 Tue Dec 18 02:36:57 CET 2007
230     - fix memleak on loop destroy (not relevant for perl).
231    
232     1.85 Fri Dec 14 20:32:40 CET 2007
233     - fix some aliasing issues w.r.t. timers and periodics
234     (not relevant for perl).
235    
236     (for historic versions refer to EV/Changes, found in the Perl interface)
237    
238 root 1.1 0.1 Wed Oct 31 21:31:48 CET 2007
239     - original version; hacked together in <24h.
240