--- libev/Changes 2008/09/07 18:15:12 1.57 +++ libev/Changes 2009/01/07 20:45:52 1.99 @@ -1,7 +1,92 @@ Revision history for libev, a high-performance and full-featured event loop. -WISH? monotonic clocks times/GetTickCount for coarse corrections? +3.52 Wed Jan 7 21:43:02 CET 2009 + - fix compilation of select backend in fd_set mode when NFDBITS is + missing (to get it to compile on QNX, reported by Rodrigo Campos). + - better select-nfds handling when select backend is in fd_set mode. + - diagnose fd_set overruns when select backend is in fd_set mode. + - due to a thinko, instead of disabling everything but + select on the borked OS X platform, everything but select was + allowed (reported by Emanuele Giaquinta). + - actually verify that local and remote port are matching in + libev's socketpair emulation, which makes denial-of-service + attacks harder (but not impossible - it's windows). Make sure + it even works under vista, which thinks that getpeer/sockname + should return fantasy port numbers. + - include "libev" all assertion messages for potentially + clearer diagnostics. + - event_get_version (libevent compatibility) returned + a useless string instead of the expected version string + (patch by W.C.A. Wijngaards). + +3.51 Wed Dec 24 23:00:11 CET 2008 + - fix a bug where an inotify watcher was added twice, causing + freezes on hash collisions (reported and analysed by Graham Leggett). + - new config symbol, EV_USE_CLOCK_SYSCALL, to make libev use + a direct syscall - slower, but no dependency on librt et al. + - assume negative return values != -1 signals success of port_getn + (http://cvs.epicsol.org/cgi/viewcvs.cgi/epic5/source/newio.c?rev=1.52) + (no known failure reports, but it doesn't hurt). + - fork detection in ev_embed now stops and restarts the watcher + automatically. + - EXPERIMENTAL: default the method to operator () in ev++.h, + to make it nicer to use functors (requested by Benedek László). + - fixed const object callbacks in ev++.h. + - replaced loop_ref argument of watcher.set (loop) by a direct + ev_loop * in ev++.h, to avoid clashes with functor patch. + - do not try to watch the empty string via inotify. + - inotify watchers could be leaked under certain circumstances. + - OS X 10.5 is actually even more broken than earlier versions, + so fall back to select on that piece of garbage. + - fixed some weirdness in the ev_embed documentation. + +3.49 Wed Nov 19 11:26:53 CET 2008 + - ev_stat watchers will now use inotify as a mere hint on + kernels <2.6.25, or if the filesystem is not in the + "known to be good" list. + - better mingw32 compatibility (it's not as borked as native win32) + (analysed by Roger Pack). + - include stdio.h in the example program, as too many people are + confused by the weird C language otherwise. I guess the next thing + I get told is that the "..." ellipses in the examples don't compile + with their C compiler. + +3.48 Thu Oct 30 09:02:37 CET 2008 + - further optimise away the EPOLL_CTL_ADD/MOD combo in the epoll + backend by assuming the kernel event mask hasn't changed if + ADD fails with EEXIST. + - work around spurious event notification bugs in epoll by using + a 32-bit generation counter. recreate kernel state if we receive + spurious notifications or unwanted events. this is very costly, + but I didn't come up with this horrible design. + - use memset to initialise most arrays now and do away with the + init functions. + - expand time-out strategies into a "Be smart about timeouts" section. + - drop the "struct" from all ev_watcher declarations in the + documentation and did other clarifications (yeah, it was a mistake + to have a struct AND a function called ev_loop). + - fix a bug where ev_default would not initialise the default + loop again after it was destroyed with ev_default_destroy. + - rename syserr to ev_syserr to avoid name clashes when embedding, + do similar changes for event.c. + +3.45 Tue Oct 21 21:59:26 CEST 2008 + - disable inotify usage on linux <2.6.25, as it is broken + (reported by Yoann Vandoorselaere). + - ev_stat errornously would try to add inotify watchers + even when inotify wasn't available (this should only + have a performance impact). + - ev_once now passes both timeout and io to the callback if both + occur concurrently, instead of giving timeouts precedence. + - disable EV_USE_INOTIFY when sys/inotify.h is too old. + +3.44 Mon Sep 29 05:18:39 CEST 2008 + - embed watchers now automatically invoke ev_loop_fork on the + embedded loop when the parent loop forks. + - new function: ev_now_update (loop). - verify_watcher was not marked static. + - improve the "associating..." manpage section. + - documentation tweaks here and there. 3.43 Sun Jul 6 05:34:41 CEST 2008 - include more include files on windows to get struct _stati64