--- AnyEvent/Changes 2008/05/24 23:56:26 1.99 +++ AnyEvent/Changes 2009/08/21 11:59:24 1.339 @@ -1,11 +1,544 @@ Revision history for Perl extension AnyEvent. +5.112 Fri Aug 21 13:59:04 CEST 2009 + - AnyEvent::Handle could cause hard crashes in Net::SSLeay when + using starttls with an illegal/uncreatable tls context. + - port to broken win32 perls. + +5.111 Sun Aug 16 18:44:36 CEST 2009 + - perl errornously requires sockaddr_un structures returned by the + kernel to have a specific length. work around this bug by padding + sockaddr_un structures (found to fail on OS X, as perl only uses + the correct code for GNU/Linux, but likely to fail on other + OSes as well). + +5.11 Wed Aug 12 17:49:37 CEST 2009 + - fixed a bug in run_cmd with input from filename. + - create a json coder object when none is given in write direction + to reduce dependency on JSON. + +5.1 Tue Aug 11 03:17:32 CEST 2009 + - tcp_connect now reports the correct error in $!, not an unrelated + one (was broken since 4.91). + - AE::Handle did not properly clear rtimeout/wtimeout watchers + when retrying a tcp_connect. + - new functions: AnyEvent::Util::run_cmd and close_all_fds_except. + - fixed wrong documentation in AE::Socket. + +5.01 Mon Aug 10 03:16:32 CEST 2009 + - last release broke EV child watchers :/. + +5.0 Sun Aug 9 17:32:09 CEST 2009 + - officially introduce and document the AE API. + - lowering the timeout at runtime did not have immediate effect + in AnyEvent::Handle. + - AE::Handle now has separate and independent read and write timeout + settings. + - probe for Guard module when AnyEvent::Util is loaded, not at + runtime (Event doesn't like eval "use" from callbacks, and it avoids + exporting the probe function). + - Impl::IOAsync's io watchers did not use the filehandle emulation + code to work around it's watcher limits. + - work around IO::Async's problems with overloaded objects. + - try to disable wearnings inside IO::Async, it's just too buggy. + - do no longer use Event by default, only EV or Perl, Event is too buggy. + - hackishly provide fast AE:: interface when EV or Perl is the backend. + - inherit VERSION from AnyEvent::VERSION in most modules. + +4.91 Thu Aug 6 15:42:45 CEST 2009 + - AE::Handle::starttls could get out of sync when the read buffer + already contains some TLS handshake. + - AE::Handle did not properly free the TLS session, causing bigger + memory leaks in Net::SSLeay than expected (reported by toaster). + - AE::Socket::tcp_connect will now artificially delay invoking + the callback to avoid returning after invoking the callback. + - convert many internal watcher uses to AE API. + +4.9 Sat Aug 1 11:07:01 CEST 2009 + - Glib silently fails when registering a timeout with + a negative value, so avoid that. + - call condvar callback immediately when it is set + after the condition is already signalled. + - check rbuf_max condition only after trying to consume + data. + - normalise signal numbers to names when using the ae's + signal handling, but do not document this (yet). + - pure perl signal emulation did not properly set nonblocking + mode on the signal pipe on win32 (this is unlikely to have caused + any issues). + - new module: AnyEvent::Debug. + - AnyEvent::Strict now checks that a signal was specified + by name (not name or number). + - reduce memory footprint in typical cases by ~50kb by + only compiling signal code when necessary. + - add AnyEvent::Handle->rbuf_max. + - grab the AE namespace for future new API, implement stubs for + said future/alternative API. + - new function: AnyEvent::Socket::format_hostport. + +4.881 Tue Jul 28 12:51:53 CEST 2009 + - work around a bug in local in pre-5.10 perls, causing + AnyEvent::Handle to recurse when it should not + (analyzed by elmex). + +4.88 Tue Jul 28 04:04:37 CEST 2009 + - re-bless the handle into a dummy package after calling + AnyEvent::Handle::destroy, so the user does not need to check + for errors after every push_write etc. + - do not attempt to run t/02_signals.t on obviously broken + platforms. + +4.87 Sun Jul 26 02:06:16 CEST 2009 + - do not attempt to linger when there is no longer a valid fh. + - enforce tls mode to be either accept or connect, do not simply + segfault in Net::SSLeay. + - AnyEvent::Handle can now call tcp_connect itself (new parameters + connect, on_prepare, on_connect and on_connect_error). Updated + tutorial accordingly. + - add AnyEvent::Impl::Irssi backend. + +4.86 Mon Jul 20 23:52:29 CEST 2009 + - since the verbose warning is not enough, explicitly document + that versions before 1.33 of Net::SSLeay are not secure. + - work around signal handling races in Event and (...) Event::Lib. + - try to align signal-race timer to full-second boundaries. + - work around Tk not liking negative timeouts. + - don't complain of different grades of environmental unfriendlyness + in IO::Async. + +4.85 Sat Jul 18 06:16:14 CEST 2009 + - nail the signal race problem in perl once and for all + (see $AnyEvent::MAX_SIGNAL_LATENCY). + - take advantage of Async::Interrupt if it is available. + - load Time::HiRes and Guard modules on demand only. + - add optional/recommended modules section to AnyEvent + documentation. + - reduce memory usage considerably (and reduce startup penalty) + by not using "strict", "warnings" and "overload" modules. + - work around buggy windows/openbsd perls and provide EBADMSG + and EPROTO ourselves when missing. + - improve perl 5.6 compatibility of the core event loop. + - made Net::SSLeay version 1.33 a soft requirement. + +4.83 Fri Jul 17 16:56:26 CEST 2009 + - implement AnyEvent::Socket::getprotobyname. + - AnyEvent::CondVar's will now detect recursive blocking + waits and will croak, as too many people fall into + this trap. + - AnyEvent::Handle will now call ->destroy on itself after + executing the on_error callback, instead of doing some + half-baked internal shutdown, for fatal errors. + - clarify on_eof behaviour w.r.t. the read queue and + on_read callbacks. + - ignore some possible spurious wake-ups in tcp_connect. + +4.82 Sat Jul 11 00:34:55 CEST 2009 + - POE and Event backends didn't accept some callable objects as + callbacks. + - use Config module instead of POSIX module to detect signal names + in AnyEvent::Strict and AnyEvent::Impl::EventLib, as the POSIX + module doesn't even have all POSIX signals :/. + - use more workarounds around the many refcnt/corruption bugs in + Event::Lib. + - work around a race condition in perl's select, causing t/03_child.t + to rarely fail. + +4.81 Thu Jul 9 10:30:30 CEST 2009 + - AnyEvent::Handle didn't properly diagnose write errors + (it expected -1 from syswrite, how lame... :). + - support file descriptors in addition to file handles + in AnyEvent->io. + - new env variables: PERL_ANYEVENT_RESOLV_CONF, + PERL_ANYEVENT_MAX_OUTSTANDING_DNS, PERL_ANYEVENT_CA_FILE + and PERL_ANYEVENT_CA_PATH. + - provide a sensible synopsis section for AnyEvent::TLS. + - add a "supported backends" section to the manpage. + - added simple io watcher test to testsuite, using a + portable_socketpair. + - tried to improve the stability of the Event::Lib backend, + YMMV. + +4.8 Mon Jul 6 23:45:16 CEST 2009 + - AnyEvent::DNS did not properly follow CNAME records with + uppercase targets. + - AnyEvent::DNS would errornously return AAAA records + with v4 mapped addresses (a faulty record) as ipv4 addresses, + causing AnyEvent::Socket to throw an exception. + - added new module AnyEvent::TLS for easier SSL/TLS context + creation, with many options including hostname verification, + secure default configuration, lots of documentation and, + predefined diffie-hellman keys for perfect forward security + and much more. get it while it's still fresh! + - use AnyEvent::TLS in AnyEvent::Handle for context management. + - load AnyEvent::Handle only on demand in AnyEvent::DNS, + so AnyEvent::Socket users have smaller memory footprint + in the common case. + - add AnyEvent::Handle->push_shutdown method. + - add an additional error message parameter to AnyEvent::Handle's + on_error callback (for TLS, $! is still available). + - add AnyEvent::Handle on_starttls/on_stoptls callbacks. + - make AnyEvent::Handle more robust against early conenction + failures (during new), and return C in that case + from the constructor. + - AnyEvent::Handle will now try to load only JSON::XS first, + then fall back to JSON. + - format_ipv4/format_ipv6 are now exported by default, for symmetry, + and because it was documented that way. + +4.451 Fri Jul 3 00:28:58 CEST 2009 + - do not clear rbuf when shutting down an AnyEvent::Handle + object - doing so breaks AnyEvent::HTTP. + +4.45 Mon Jun 29 22:59:26 CEST 2009 + - a write error could cause AnyEvent::Handle to create + an I/O watcher with an undefined $fh. + - special-case mapped ipv4 addresses in both + AnyEvent::Socket::format_address and parse_address, + to treat them just like ipv4 addresses. + - updated and overhauled the AnyEvent::Intro doc. + - implement AnyEvent::Socket::format_ipv4/ipv6. + - slightly speed up portable_pipe/socketpair. + - expand condvar begin/end documentation. + +4.42 Fri Jun 26 08:32:18 CEST 2009 + - preliminary and neccesarily incomplete support for IO::Async. + - reset SIGCHLD to DEFAULT when AnyEvent is loaded, in + case it was set to IGNORE, to ensure we can catch child statuses + even when the calling env acts stupidly. + - updated benchmarks with IO::Async, which performs very well. + +4.412 Wed Jun 24 01:35:57 CEST 2009 + - support an "untaint" attribute for AnyEvent::DNS + and set it on the default resolver. + - implement and document AnyEvent::Impl::Perl::loop. + - remove all anyevent-env variables from %ENV + when running in tainted mode. + - mention and extend the IO::Lambda benchmark. + +4.411 Sun Jun 7 18:48:02 CEST 2009 + - do not try to use F_SETFD on windows. + +4.41 Thu May 14 06:40:11 CEST 2009 + - work around issues in older perls (5.8.0?) when + a signal handler is deleted from the %SIG hash. + - use POSIX::_exit in child test, to avoid running + destructors. + - speed up CHLD handling by relying on SIGCHLD being + synchronously delivered, even when we roll our own + implementation. + - AnyEvent::DNS: add the "dname" resource record name + for cosmetic reasons. + +4.4 Sun Apr 26 20:12:33 CEST 2009 + - implemented idle watchers, where applicable. + - AnyEvent->time died when Event backend was in use. + - fix a memleak in the Tk backend. + - sped up Tk timer handling. + - clip negative "after" values to 0 in AnyEvent::Impl::Event + to avoid spamming out warning messages. + - fix Qt timers without interval. + - avoid Qt zero-timeout special case, in old libqt's. + +4.352 Mon Apr 20 16:31:11 CEST 2009 + - fix AnyEvent::Strict error messages for child watchers. + - fix/update Makefile.PL "recommends" versions. + - add AnyEvent->now_update. + +4.351 Sat Apr 11 07:56:14 CEST 2009 + - actually make the signal pipe work under win32. + - localise $! in signal handler to avoid changing $!, although + perl itself does not seem to save/restore errno either. + - set the cloexec flag on the signal pipe (normally set by perl too). + +4.35 Fri Mar 27 11:48:20 CET 2009 + - event models relying on AnyEvent's signal watcher emulation did + invoke the callback asynchronously, contradicting documentation + and causing signals to get lost (this includes AnyEvent's own + event loop). AnyEvent now uses the standard pipe trick to make + callback execution synchronous to the event loop. + - AnyEvent::Handle didn't free TLS context data on DESTROY + (patch by Pavel Shaydo). + - work around the ever-incompatibly-changing API of MakeMaker. + - document that changing global variables without restoring them + is a bad idea in Perl (noted by Adam Rosenstein). + - AnyEvent::Strict now barfs if ->io is passed a file. + +4.34 Thu Feb 12 18:32:45 CET 2009 + - separately buffer TLS read data, as otherwise the read queue could + deadlock as receiving data is not expected while draining the + read queue (which cna only happen with TLS). + - raise EBADMSG error on JSON decoding errors. + - fix some minor manpage bugs (reported by Maximilian Gaß). + - speed up select bitmask parsing quite a bit in the pure perl + backend. + - use CORE::select instead of just select in AnyEvent::Impl::Perl. + +4.331 Tue Jan 6 21:07:25 CET 2009 + - socketpair fails on many vista machines because vista has + completely broken accept/getpeername and getsockname functions, + so we provide our own socketpair emulation that kind of works + (AnyEvent::Util::portable_pipe). + - new function: AnyEvent::Util::portable_socketpair. + - take advantage of the Guard module if it exists. + +4.33 Fri Nov 21 02:35:40 CET 2008 + - AnyEvent::Strict did errornously flag a fileno of 0 as + illegal. + - reduce memory usage and slightly speed up the pure perl backend + by only storing the file descriptor, not the file handle. + - add missing autocork method to AnyEvent::Handle (reported + by Adam Rosenstein). + - AnyEvent::DNS->resolve errornously documented an $rcode result + argument, but there isn't (spotted by Henrik Krohns). + - the naked truth about Tk - it's basically unmaintained. + +4.32 Mon Nov 3 22:46:32 CET 2008 + - fix AnyEvent::Socket::resolve_sockaddr to properly support + unix sockets again and choose a proper default for + the socket type. + - fix call to resolve_sockaddr in tcp_connect. + +4.31 Thu Oct 30 04:41:48 CET 2008 + - implemented AnyEvent::Handle->destroy method. + - hint about unexpected effects in TLS mode. + - speed up AnyEvent::Impl::Perl by using more arrays + instead of hashes without the slightest loss of readability :) + - work around a perl argument refcounting bug. + - with some perl patches applied, AnyEvent now seems leak-free. + +4.3 Fri Oct 3 09:18:43 CEST 2008 + - AnyEvent will now install a no-op signal handler for SIGPIPE, + unless one has been installed already. + - warn about not loaidng AnyEvent::Impl::POE early enough + (patch by Adam Rosenstein). + - fixed a great number of bugs and corner cases in AnyEvent::Handle: + - fix a bug in where in SSL connect mode, the + client would first wait for some data by the server and + otherwise hang. (reported and analyzed in an absolutely + exemplary manner by Adam Rosenstein). + - fix a bug in where SSL EOF would not be treated + as stream EOF, putting the connection into a hung state. + (reported and analyzed in an absolutely exemplary manner by Adam + Rosenstein). + - fix a potential segfault when the TLS context + would go missing in a read callback (e.g. due to stoptls) - + Net::SSLeay of course makes no type checking whatsoever. + - AnyEvent::Handle will not stop the read watcher in TLS mode. + - AnyEvent::Handle->stoptls will send a TLS close notify + instead of simply destroying the stream now. + - fix a bug where large blocks of data written in TLS mode + would not be sent unless triggered by receives. + - on_drain will now take the tls write buffer into account. + - SSL operations have been streamlined a bit and should be faster + now, more to come, though. + - added a FAQ section, will document nontrivial issues in there. + +4.234 Mon Sep 29 04:08:13 CEST 2008 + - fix child watcher documentation: only child exits will be reported, + no trace events. + - mention SIGPIPE in AnyEvent::Handle. + - perl backend will now use POSIX::times as monotonic clock + when available and the monotonic clock option is not. + - run even without Time::HiRes in some cases now, but do not + provide sub-second accuracy (all *supported* perl versions have + Time::HiRes). + +4.233 Fri Aug 22 01:48:05 CEST 2008 + - fix a bug in the testsuite, causing a hang. + - clarified lots of AnyEvent::Handle constructor arguments. + +4.232 Thu Aug 21 20:44:25 CEST 2008 + - fix a bug in AnyEvent::Handle that could cause two fatal error + callbacks on EOF, which caused AnyEvent::HTTP to signal success twice + (testcase by Leon Brocard). + - clarified on_eof/on_error documentation a bit. + +4.231 Tue Jul 29 13:12:15 CEST 2008 + - remove some debugging code left in AnyEvent::Util::fork_call + (and no, it's impossible to implement with the broken windows + perls without resource leaks or worse). + +4.23 Tue Jul 29 12:19:59 CEST 2008 + - document the first parameter passed to condvar callbacks to be + the callback. + - add AnyEvent::Socket::{ntoa,aton} aliases. + - optimize the AE::Handle->push_read (line) for the default + eol marker. + - optimize push_read (packstring|storable) for small packets. + - invoke on_error callback when no on_eof callback is set. + - fix a bug in push_read (storable) of unknown impact. + +4.22 Sun Jul 20 16:34:13 CEST 2008 + - new function AnyEvent::Socket::parse_hostport. + - as the bulkheads at microsoft can't even get getprotobyname reliably + working on their shitty fucking broken os we need to hardcode + some common protocol numbers in AnyEvent::Socket. How can + people even bother with such a pile of shit as windows. + +4.21 Thu Jul 17 14:40:05 CEST 2008 + - INCOMPATIBLE CHANGE: AnyEvent::Util::fork_call now has a prototype + which is incompatible to previous invocation syntax. + - work around more windows perl bugs in fork_call. I cannot imagine + why anybody would bother implementing fork in such an obviously + unusable way. + - avoid calling $do_retry if the request has already finished in + AnyEvent::DNS, thus avoiding an exception (reported by Anatoly + K. Sharifulin). + +4.2 Sat Jul 12 22:42:11 CEST 2008 + - support an "interval" argument for repeating timers. + - fix a bug in the pure perl event loop that caused timers to + be delayed under some circumstances. + - implement optional argument checking via PERL_ANYEVENT_STRICT. + - not importing anything from Event causes it to malfunction + and not use Time::HiRes, work around this bug. + - more bug workarounds against the endlessly broken Tk module, + seems to work now on 32 bit machines, but less so on 64 bit. + - minor optimisations applied to most backends. + +4.161 Fri Jul 4 14:24:48 CEST 2008 + - fixed the t/handle/02_write.t, it read after write, with the + assumption that all data could be written before read + (reported by Jim Razmus). + +4.160 Thu Jul 3 04:02:21 CEST 2008 + - re-registering signal watchers after unregistering one did + not work if a backend falls back on AnyEvent's default + implementation (also affected child watchers). + - new AnyEvent::Handle options: autocork and no_delay. + +4.152 Sun Jun 22 14:15:44 CEST 2008 + - allow for 32-bit perls that implement shifts differently + on different architectures in parse_ipv4 (reported and + analysed by Keiichi DAIBA). + +4.151 Fri Jun 6 17:34:24 CEST 2008 + - make sure specifying _only_ on_read and never pushing reads + works. + +4.15 Fri Jun 6 13:00:46 CEST 2008 + - the pure perl backend would keep some watchers alive when more than + one watcher was registered for the same fd. + - new "packstring" and "storable" read and write types + for AnyEvent::Handle. + - allow on_eof handler to be called after on_error with EPIPE returns. + - do not immediately call on_read callback in handle constructor. + +4.14 Thu Jun 5 20:29:31 CEST 2008 + - Fixed a bug in DNS SRV priority sorting. + - AnyEvent::Util::guard now reports runtime errors while + executing the guard block as warnings. + - handle 0-byte-reads just before EOF correctly in AnyEvent::Handle. + +4.13 Thu Jun 5 00:47:59 CEST 2008 + - AnyEvent::DNS only followed cname chains with length 2, + contrary to documentation. bumped it up to 10, thanks to + microsoft, the current broken-dns-config-king. + - AnyEvent::DNS didn't check for socket return status + but instead relied on perl not creating filehandles in that + case - too bad it gives you a bogus file handle (reported + and analysed by Vladimir Timofeev). + - fix queue management logic in AnyEvent::Handle: + when on_read was registered, the queue was empty + and no progress could be made AnyEvent::Handle would + enter an endless loop. + - correctly start reading again when the handle became + busy again after idling. + - correctly treat tls shut-downs as EOF condition + (for the time being, would be nice to have a callback for that). + - correctly call eof callback under all conditions + (hopefully). + - the timeout callback did not expect that $self can go + away any time. + +4.12 Tue Jun 3 10:58:04 CEST 2008 + - include AnyEvent::Intro, a tutorial for anyevent, + anyevent::socket and anyevent::handle. + - allow more options in on_error. + +4.11 Fri May 30 23:42:25 CEST 2008 + - INCOMPATIBLE CHANGE: replace ptr by real PTR lookup, provide + reverse_lookup and reverse_verify to replace it, support + v4mapped and v4compat addresses. + - provide more documentation for the resolver class. + - really replace longest run of :0: by :: in format_address, + also properly convert :: and ::1 again. + - support NAPTR record name and decode it. + - implement random weight sampling for SRV records, as per + rfc 2782. + - correctly abort on srv-record targets of ".". + - added AnyEvent::DNS::wait_for_slot. + - in the unlikely event of a virtual circuit connection + being invalidated by a delayed udp reply, AnyEvent::DNS + could die. this has been fixed. + - plug a probable memleak in the DNS vc code. + - use configured timeout also for VC request phase. + - implement timeout and max_outstanding methods + for resolver class. + - update version numbers in all modules. + +4.1 Thu May 29 05:45:40 CEST 2008 + - INCOMPATIBLE CHANGE: renamed xxx_ip functions to xxx_address + which mirrors their purpose better (old names still available + for a while). Also moved AnyEvent::DNS::addr to + AnyEvent::Socket::resolve_sockaddr. + - implement AnyEvent->time and AnyEvent->now. + - fix IPv6 support in pack_sockaddr. + - officially un-experimentalise all newly introduced code. + - support unix domain sockets everywhere by specifying + a host of "unix/" and the pathname as service. + - implement an activity timeout in AnyEvent::Handle. + - added a regex read type to AnyEvent::Handle. + - added a json read/write type to AnyEvent::Handle. + - always croak in on_error in AnyEvent::Handle. + - document how to subclass AnyEvent::Handle. + - implement AnyEvent::Util::fork_call. + - add support for IPv6 nameservers and nameserver statements. + - work around _yet_ _another_ windows perl bug in where empty + select masks cause errors in the pure perl backend (this + workaround cannot be implemented for the other event loops, + but EV also works around this). + - supply AnyEvent::Socket::address_type and make good use of it. + - clarify and fix the Handle documentation w.r.t $self vs. $handle + vs. callback arguments. + - add some recommends to the META.yml. + +4.05 Mon May 26 19:44:06 CEST 2008 + - some platforms ignore the rfc and prepend an extra sa_len member to + the sockaddr structure, cater for those. also use sockaddr_family, + didn't know it was there, but comes in handy for the workaround. + - undo the import WIN32 hack. + +4.04 Mon May 26 08:03:31 CEST 2008 + - try to work around yet another windows bug: failed connects are reported + as if it were out-of-band data. windows users: you suck. Only + EV, Glib, Event and the pure perl backend can handle this condition. + - optimize write algorithm in AnyEvent::Handle. + - properly parse PERL_ANYEVENT_PROTOCOLS and use the info correctly. + - tcp_connect now properly iterates through all targets. + - check wether IPv6 sockets can actually be created, otherwise, disable ipv6 + support entirely. also hardcode some AF_INET6 constants for the + sake of perl 5.8. + - vastly improved nameserver/suffix detection algorithm for windows + (still a hack...) + - try to use a fallback dns server if no dns servers could be found. + - splatter around some local $SIG{__DIE__}'s to work around bad + die handlers. + +4.03 Sun May 25 05:05:57 CEST 2008 + - work around perl bugs on windows, where perl returns undocumented + error codes for sysread, syswrite etc. - fix AnyEvent::Handle::unshift_read to really unshift and not push. - AnyEvent::Handle could sometimes stumble over 0-byte writes. - - croak, not die, in AnyEvent::Handle; + - fix unpack_sockaddr, now works for AF_INET6 sockaddr's. + - updated documentation. + - lots of workarounds for perl 5.8 quirks. - implement a more flexible type system for both reads and writes in AnyEvent::Handle. + - support IPv6 in tcp_server. + - pass local hostname and port to the prepare callback in tcp_server. - make types extendable in AnyEvent::Handle. + - croak, not die, in AnyEvent::Handle; 4.0 Sat May 24 19:58:08 CEST 2008 - added (experimental) AnyEvent::DNS module. @@ -21,10 +554,10 @@ - make on_eof optional in AnyEvent::Handle. - support service names in tcp_connect and tcp_server. - work around netbsd/openbsd bug causing unix sockets not to - become writable untill empty. + become writable until empty. - only make a dummy read for error detection when getpeername returns ENOTCONN. - - defend AnyEvent::Util::inet_aton against Coro::LWP brutal + - defend AnyEvent::Util::inet_aton against Coro::LWP's brutal override. - new AnyEvent::Guard::cancel. @@ -48,7 +581,7 @@ - work around a bug in perl 5.8.8's local. Reported by Yi Ma Mao. 3.4 Sun May 11 00:29:25 CEST 2008 - - complete re-implementation of condvars with a hopefully much mroe useful + - complete re-implementation of condvars with a hopefully much more useful API (backward compatible functions exist but are undocumented). - AnyEvent::Handle fully rewritten with a hopefully more powerful API (still subject to change).