--- libev/Changes 2010/10/21 14:50:58 1.188 +++ libev/Changes 2011/01/11 13:48:56 1.220 @@ -1,12 +1,33 @@ Revision history for libev, a high-performance and full-featured event loop. -TODO: include ev_xyz_start in each example? -TODO: section watcher states/lifetime -TODO: use enums //TODO: enum? +4.03 Tue Jan 11 14:37:25 CET 2011 + - officially support polling files with all backends. + - support files, /dev/zero etc. the same way as select in the epoll + backend, by generating events on our own. + - ports backend: work around solaris bug 6874410 and many related ones + (EINTR, maybe more), with no performance loss (note that the solaris + bug report is actually wrong, reality is far more bizarre and broken + than that). + - define EV_READ/EV_WRITE as macros in event.h, as some programs use + #ifdef to test for them. + - new (experimental) function: ev_feed_signal. + - new (to become default) EVFLAG_NOSIGMASK flag. + - new EVBACKEND_MASK symbol. + - updated COMMON IDIOMS SECTION. + +4.01 Fri Nov 5 21:51:29 CET 2010 + - automake fucked it up, apparently, --add-missing -f is not quite enough + to make it update its files, so 4.00 didn't install ev++.h and + event.h on make install. grrr. + - ev_loop(count|depth) didn't return anything (Robin Haberkorn). + - change EV_UNDEF to 0xffffffff to silence some overzealous compilers. + - use "(libev) " prefix for all libev error messages now. + +4.00 Mon Oct 25 12:32:12 CEST 2010 - "PORTING FROM LIBEV 3.X TO 4.X" (in ev.pod) is recommended reading. - ev_embed_stop did not correctly stop the watcher (very good testcase by Vladimir Timofeev). - - ev_run will now always update the current loop time - it errornously + - ev_run will now always update the current loop time - it erroneously didn't when idle watchers were active, causing timers not to fire. - fix a bug where a timeout of zero caused the timer not to fire in the libevent emulation (testcase by Péter Szabó). @@ -14,6 +35,8 @@ - replace EV_MINIMAL by EV_FEATURES. - prefer EPOLL_CTL_ADD over EPOLL_CTL_MOD in some more cases, as it seems the former is *much* faster than the latter. + - linux kernel version detection (for inotify bug workarounds) + did not work properly. - reduce the number of spurious wake-ups with the ports backend. - remove dependency on sys/queue.h on freebsd (patch by Vanilla Hsu). - do async init within ev_async_start, not ev_async_set, which avoids @@ -24,9 +47,11 @@ not to need it (helpfully pointed out by Tilghman Lesher). - do not use poll by default on freebsd, it's broken (what isn't on freebsd...). + - allow to embed epoll on kernels >= 2.6.32. - configure now prepends -O3, not appends it, so one can still override it. - - greatly expanded the portability section. + - ev.pod: greatly expanded the portability section, added a porting + section, a description of watcher states and made lots of minor fixes. - disable poll backend on AIX, the poll header spams the namespace and it's not worth working around dead platforms (reported and analyzed by Aivars Kalvans). @@ -39,12 +64,18 @@ - update libev.m4 HAVE_CLOCK_SYSCALL test for newer glibcs. - add section on accept() problems to the manpage. - rename EV_TIMEOUT to EV_TIMER. - - rename ev_loop_count/depth/verify. + - rename ev_loop_count/depth/verify/loop/unloop. + - remove ev_default_destroy and ev_default_fork. - switch to two-digit minor version. - work around an apparent gentoo compiler bug. - define _DARWIN_UNLIMITED_SELECT. just so. - use enum instead of #define for most constants. - improve compatibility to older C++ compilers. + - (experimental) ev_run/ev_default_loop/ev_break/ev_loop_new have now + default arguments when compiled as C++. + - enable automake dependency tracking. + - ev_loop_new no longer leaks memory when loop creation failed. + - new ev_cleanup watcher type. 3.9 Thu Dec 31 07:59:59 CET 2009 - signalfd is no longer used by default and has to be requested @@ -70,14 +101,14 @@ - add missing string.h include (Denis F. Latypoff). - only replace ev_stat.prev when we detect an actual difference, so prev is (almost) always different to attr. this might - have caused the probems with 04_stat.t. + have caused the problems with 04_stat.t. - add ev::timer->remaining () method to C++ API. 3.8 Sun Aug 9 14:30:45 CEST 2009 - incompatible change: do not necessarily reset signal handler to SIG_DFL when a sighandler is stopped. - ev_default_destroy did not properly free or zero some members, - potentially causing crashes and memory corruption on repated + potentially causing crashes and memory corruption on repeated ev_default_destroy/ev_default_loop calls. - take advantage of signalfd on GNU/Linux systems. - document that the signal mask might be in an unspecified @@ -209,7 +240,7 @@ 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 + - ev_stat erroneously 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 @@ -287,10 +318,10 @@ not clearing revents field in ev_poll (Brandon Black) (no such systems are known at this time). - work around a bug in realloc on openbsd and darwin, - also makes the errornous valgrind complaints + also makes the erroneous valgrind complaints go away (noted by various people). - fix ev_async_pending, add c++ wrapper for ev_async - (based on patch sent by Johannes Deisenhofer. + (based on patch sent by Johannes Deisenhofer). - add sensible set method to ev::embed. - made integer constants type int in ev.h.