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Changes marked with (libev) are changes in libev, and have more
documentation in the libev Changes file.
4.18 Sat Sep 6 20:37:23 CEST 2014
- use slightly better weay to find includes, to support multiarch
on newer perls.
4.17 Fri Apr 11 06:22:38 CEST 2014
- perl5porters broke Async::Interrupt, BDB, EV, IO::AIO, OpenCL
without warning by switching the meaning of USE_SOCKETS_AS_HANDLES
in 5.18. What's so attractive about giving a shit about backwards
compatibility - I will never understand.
4.16 Sat Mar 8 16:49:05 CET 2014
- make sure EV::CHECK is available at all times.
- avoid a spurious warning when perl -w overrides "no warnings".
- use perl's signal implementation on WIN32.
- ensure extern "C" function pointers are used for externally-visible
pointers.
- (libev) mark event pipe fd as cloexec after a fork (analyzed by Sami Farin).
- (ecb) support m68k, m88k and sh (patch by Miod Vallat).
- (libev) 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).
- (ecb) work around memory barriers and volatile apparently both being
broken in visual studio 2008 and later (analysed and patch by Nicolas Noble).
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(drop dependency on libev, not used)
4.15 Fri Mar 1 12:15:53 CET 2013
- (libev) upgrade to 4.15 - too many changes to list.
- EV::run now returns a boolean.
- API version 5:1.
- document that cleanup watchers are not available via perl.
- cast I32 to int in error message printf.
- remove dependencies on librt and libpthreads on GNU/Linux.
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ChangeLog:
4.11 Sat Feb 4 19:56:26 CET 2012
- (libev) implement memory fences for (obsolete) llvm-gcc.
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ChangeLog:
4.10 Thu Jan 19 18:54:23 CET 2012
- (libev) fix a race where the workaround against the epoll fork
bugs caused signals to not be handled anymore.
- (libev) correct backend_fudge for most backends, and implement
a windows specific workaround to avoid looping because we call
both select and Sleep, both with different time resolutions.
- e_new wasn't declared static (causing very minor .so bloat).
- replace more old api names by new ones.
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* do not avoid the clock_gettime call on GNU/Linux anymore, as EV
links against -lpthread anyways - as a result, EV might now take
advantage of fast userspace clock_gettime implementations,
but also links against -lrt.
* (libev) lots of event port bug workarounds.
* (libev) officially support files in I/O watchers.
* (libev) new function ev_feed_signal.
* fix documentation parts still refering to the 3.x API.
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4.00 Mon Oct 25 13:30:09 CEST 2010
- many API changes, see the manual.
- (libev) lots and lots of bugfixes, see the ev documentation.
- fix a bug where inotify usage would parse the same event
multiple times, causing various forms of breakage.
- greatly reduce stack usage for inotify (8kb to <0.5kb).
- expose ev_depth and ev_verify via the XS API.
- implement ev_cleanup watchers.
- (libev) ev_embed_stop did not correctly stop the watcher.
- (libev) disable poll backend on AIX.
- (libev) rename EV_TIMEOUT to EV_TIMER.
- (libev) add section on accept() problems to the manpage.
- (libev) no child watchers on win32.
- make code more aliasing compliant, in case perl is ever
translated to C.
- document the EV::CHECK runtime unavailability.
- ported to minix 3.1.7.
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Upstream changes:
3.9 Thu Dec 31 07:59:59 CET 2009
- disable t/07* under automatic testing.
- increase t/09* timeouts as netbsd has *horribly* broken
select/kevent that *usually* sleep >>0.6s instead of 0.3.
- add constants EV::FLAG_NOSIGFD, EV::FLAG_NOINOTIFY and
EV::BACKEND_ALL.
- (libev) signalfd is no longer used by default.
- (libev) backport inotify code to C89.
- (libev) inotify file descriptors could leak into child processes.
- (libev) ev_stat watchers could keep an errornous extra ref on the loop.
- (libev) take advantage of inotify_init1, if available.
- (libev) the signal handling pipe wasn't always initialised under windows.
- changed minimum glibc requirement from glibc 2.9 to 2.7, for signalfd.
- (libev) only replace ev_stat.prev when we detect an actual difference.
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Upstream changes:
3.8 Sun Aug 9 15:30:10 CEST 2009
- implement $loop->signal/signal_ns.
- (libev) incompatible change: do not necessarily reset signal
handler to SIG_DFL when a sighandler is stopped.
- (libev) ev_default_destroy did not properly free or zero some
members, potentially causing crashes and memory corruption on
repated ev_default_destroy/ev_default_loop calls.
- (libev) take advantage of signalfd on GNU/Linux systems.
- (libev) document that the signal mask might be in an unspecified
state when using libev's signal handling.
- (libev) take advantage of some GNU/Linux calls to set
cloexec/nonblock on fd creation, to avoid race conditions.
- implement internal glue code to interface more efficiently
with AnyEvent.
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This module provides an interface to libev
(http://software.schmorp.de/pkg/libev.html). While the documentation is
comprehensive, one might also consult the documentation of libev itself
(http://pod.tst.eu/http://cvs.schmorp.de/libev/ev.pod or perldoc EV::libev)
for more subtle details on watcher semantics or some discussion on the
available backends, or how to force a specific backend with LIBEV_FLAGS,
or just about in any case because it has much more detailed information.
This module is very fast and scalable. It is actually so fast that you can
use it through the AnyEvent module, stay portable to other event loops (if
you don't rely on any watcher types not available through it) and still be
faster than with any other event loop currently supported in Perl.
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