Revision history for libev, a high-performance and full-featured event loop.
-TODO: ev_loop_wakeup
-TODO: EV_STANDALONE == NO_HASSEL (do not use clock_gettime in ev_standalone)
-
-TODO: document WSA_EV_USE_SOCKET in win32 part
-TODO: ^ OR use WSASend/WSARecv on the handle, which always works
-TODO: assert on fd watcher linked list pointing to itself
-TODO: faq, process a thing in each iteration
-TODO: abuse idle watchers for their side effect
+ - ANDROID => __ANDROID__ (reported by enh@google.com).
+ - disable epoll_create1 on android because it has broken header files
+ and google is unwilling to fix them (reported by enh@google.com).
+
+4.24 Wed Dec 28 05:19:55 CET 2016
+ - bump version to 4.24, as the release tarball inexplicably
+ didn't have the right version in ev.h, even though the cvs-tagged
+ version did have the right one (reported by Ales Teska).
+
+4.23 Wed Nov 16 18:23:41 CET 2016
+ - move some declarations at the beginning to help certain retarded
+ microsoft compilers, even though their documentation claims
+ otherwise (reported by Ruslan Osmanov).
+
+4.22 Sun Dec 20 22:11:50 CET 2015
+ - when epoll detects unremovable fds in the fd set, rebuild
+ only the epoll descriptor, not the signal pipe, to avoid
+ SIGPIPE in ev_async_send. This doesn't solve it on fork,
+ so document what needs to be done in ev_loop_fork
+ (analyzed by Benjamin Mahler).
+ - remove superfluous sys/timeb.h include on win32
+ (analyzed by Jason Madden).
+ - updated libecb.
+
+4.20 Sat Jun 20 13:01:43 CEST 2015
+ - prefer noexcept over throw () with C++ 11.
+ - update ecb.h due to incompatibilities with c11.
+ - fix a potential aliasing issue when reading and writing
+ watcher callbacks.
+
+4.19 Thu Sep 25 08:18:25 CEST 2014
+ - ev.h wasn't valid C++ anymore, which tripped compilers other than
+ clang, msvc or gcc (analyzed by Raphael 'kena' Poss). Unfortunately,
+ C++ doesn't support typedefs for function pointers fully, so the affected
+ declarations have to spell out the types each time.
+ - when not using autoconf, tighten the check for clock_gettime and related
+ functionality.
+
+4.18 Fri Sep 5 17:55:26 CEST 2014
+ - events on files were not always generated properly with the
+ epoll backend (testcase by Assaf Inbal).
+ - mark event pipe fd as cloexec after a fork (analyzed by Sami Farin).
+ - (ecb) support m68k, m88k and sh (patch by Miod Vallat).
+ - use a reasonable fallback for EV_NSIG instead of erroring out
+ when we can't detect the signal set size.
+ - in the absence of autoconf, do not use the clock syscall
+ on glibc >= 2.17 (avoids the syscall AND -lrt on systems
+ doing clock_gettime in userspace).
+ - ensure extern "C" function pointers are used for externally-visible
+ loop callbacks (not watcher callbacks yet).
+ - (ecb) work around memory barriers and volatile apparently both being
+ broken in visual studio 2008 and later (analysed and patch by Nicolas Noble).
+
+4.15 Fri Mar 1 12:04:50 CET 2013
+ - destroying a non-default loop would stop the global waitpid
+ watcher (Denis Bilenko).
+ - queueing pending watchers of higher priority from a watcher now invokes
+ them in a timely fashion (reported by Denis Bilenko).
- add throw() to all libev functions that cannot throw exceptions, for
further code size decrease when compiling for C++.
- add throw () to callbacks that must not throw exceptions (allocator,
syserr, loop acquire/release, periodic reschedule cbs).
- fix event_base_loop return code, add event_get_callback, event_base_new,
event_base_get_method calls to improve libevent 1.x emulation and add
- some libevent 2.x funcitonality (based on a patch by Jeff Davey).
+ some libevent 2.x functionality (based on a patch by Jeff Davey).
- add more memory fences to fix a bug reported by Jeff Davey. Better
be overfenced than underprotected.
- ev_run now returns a boolean status (true meaning watchers are
- (ecb) add memory fence support for gcc-alpha (Christian Weisgerber).
- work around some kernels losing file descriptors by leaking
the kqueue descriptor in the child.
+ - work around linux inotify not reporting IN_ATTRIB changes for directories
+ in many cases.
- include sys/syscall.h instead of plain syscall.h.
+ - check for io watcher loops in ev_verify, check for the most
+ common reported usage bug in ev_io_start.
+ - choose socket vs. WSASocket at compiletime using EV_USE_WSASOCKET.
+ - always use WSASend/WSARecv directly on windows, hoping that this
+ works in all cases (unlike read/write/send/recv...).
+ - try to detect signals around a fork faster (test program by
+ Denis Bilenko).
+ - work around recent glibc versions that leak memory in realloc.
+ - rename ev::embed::set to ev::embed::set_embed to avoid clashing
+ the watcher base set (loop) method.
+ - rewrite the async/signal pipe logic to always keep a valid fd, which
+ simplifies (and hopefully correctifies :) the race checking
+ on fork, at the cost of one extra fd.
+ - add fat, msdos, jffs2, ramfs, ntfs and btrfs to the list of
+ inotify-supporting filesystems.
+ - move orig_CFLAGS assignment to after AC_INIT, as newer autoconf
+ versions ignore it before
+ (https://bugzilla.redhat.com/show_bug.cgi?id=908096).
+ - add some untested android support.
+ - enum expressions must be of type int (reported by Juan Pablo L).
4.11 Sat Feb 4 19:52:39 CET 2012
- INCOMPATIBLE CHANGE: ev_timer_again now clears the pending status, as
- implement ev_suspend and ev_resume.
- new EV_CUSTOM revents flag for use by applications.
- add documentation section about priorities.
- - add a glossary to the dcoumentation.
+ - add a glossary to the documentation.
- extend the ev_fork description slightly.
- optimize a jump out of call_pending.
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