[ViewVC] Diff of: cvs/AnyEvent/lib/AnyEvent.pm

Comparing AnyEvent/lib/AnyEvent.pm (file contents):
Revision 1.354 by root, Thu Aug 11 21:26:39 2011 UTC vs.
Revision 1.358 by root, Sat Aug 13 02:35:32 2011 UTC

…		…
878	AnyEvent::Impl::EventLib based on Event::Lib, leaks memory and worse.	878	AnyEvent::Impl::EventLib based on Event::Lib, leaks memory and worse.
879	AnyEvent::Impl::POE based on POE, very slow, some limitations.	879	AnyEvent::Impl::POE based on POE, very slow, some limitations.
880	AnyEvent::Impl::Irssi used when running within irssi.	880	AnyEvent::Impl::Irssi used when running within irssi.
881	AnyEvent::Impl::IOAsync based on IO::Async.	881	AnyEvent::Impl::IOAsync based on IO::Async.
882	AnyEvent::Impl::Cocoa based on Cocoa::EventLoop.	882	AnyEvent::Impl::Cocoa based on Cocoa::EventLoop.
883	AnyEvent::Impl::FLTK based on FLTK.	883	AnyEvent::Impl::FLTK2 based on FLTK (fltk 2 binding).
884		884
885	=item Backends with special needs.	885	=item Backends with special needs.
886		886
887	Qt requires the Qt::Application to be instantiated first, but will	887	Qt requires the Qt::Application to be instantiated first, but will
888	otherwise be picked up automatically. As long as the main program	888	otherwise be picked up automatically. As long as the main program
…		…
1205	use Carp ();	1205	use Carp ();
1206		1206
1207	our $VERSION = '5.34';	1207	our $VERSION = '5.34';
1208	our $MODEL;	1208	our $MODEL;
1209		1209
1210	our $AUTOLOAD;
1211	our @ISA;	1210	our @ISA;
1212		1211
1213	our @REGISTRY;	1212	our @REGISTRY;
1214		1213
1215	our $VERBOSE;	1214	our $VERBOSE;
…		…
1235	$PROTOCOL{$_} = ++$idx	1234	$PROTOCOL{$_} = ++$idx
1236	for reverse split /\s,\s/,	1235	for reverse split /\s,\s/,
1237	$ENV{PERL_ANYEVENT_PROTOCOLS} \|\| "ipv4,ipv6";	1236	$ENV{PERL_ANYEVENT_PROTOCOLS} \|\| "ipv4,ipv6";
1238	}	1237	}
1239		1238
		1239	our @post_detect;
		1240
		1241	sub post_detect(&) {
		1242	my ($cb) = @_;
		1243
		1244	push @post_detect, $cb;
		1245
		1246	defined wantarray
		1247	? bless \$cb, "AnyEvent::Util::postdetect"
		1248	: ()
		1249	}
		1250
		1251	sub AnyEvent::Util::postdetect::DESTROY {
		1252	@post_detect = grep $_ != ${$_[0]}, @post_detect;
		1253	}
		1254
		1255	our $POSTPONE_W;
		1256	our @POSTPONE;
		1257
		1258	sub _postpone_exec {
		1259	undef $POSTPONE_W;
		1260
		1261	&{ shift @POSTPONE }
		1262	while @POSTPONE;
		1263	}
		1264
		1265	sub postpone(&) {
		1266	push @POSTPONE, shift;
		1267
		1268	$POSTPONE_W \|\|= AE::timer (0, 0, \&_postpone_exec);
		1269
		1270	()
		1271	}
		1272
1240	my @models = (	1273	our @models = (
1241	[EV:: => AnyEvent::Impl::EV:: , 1],	1274	[EV:: => AnyEvent::Impl::EV:: , 1],
1242	[AnyEvent::Loop:: => AnyEvent::Impl::Perl:: , 1],	1275	[AnyEvent::Loop:: => AnyEvent::Impl::Perl:: , 1],
1243	# everything below here will not (normally) be autoprobed	1276	# everything below here will not (normally) be autoprobed
1244	# as the pure perl backend should work everywhere	1277	# as the pure perl backend should work everywhere
1245	# and is usually faster	1278	# and is usually faster
…		…
1250	[Tk:: => AnyEvent::Impl::Tk::], # crashes with many handles	1283	[Tk:: => AnyEvent::Impl::Tk::], # crashes with many handles
1251	[Qt:: => AnyEvent::Impl::Qt::], # requires special main program	1284	[Qt:: => AnyEvent::Impl::Qt::], # requires special main program
1252	[POE::Kernel:: => AnyEvent::Impl::POE::], # lasciate ogni speranza	1285	[POE::Kernel:: => AnyEvent::Impl::POE::], # lasciate ogni speranza
1253	[Wx:: => AnyEvent::Impl::POE::],	1286	[Wx:: => AnyEvent::Impl::POE::],
1254	[Prima:: => AnyEvent::Impl::POE::],	1287	[Prima:: => AnyEvent::Impl::POE::],
1255	[IO::Async::Loop:: => AnyEvent::Impl::IOAsync::],	1288	[IO::Async::Loop:: => AnyEvent::Impl::IOAsync::], # a bitch to autodetect
1256	[Cocoa::EventLoop:: => AnyEvent::Impl::Cocoa::],	1289	[Cocoa::EventLoop:: => AnyEvent::Impl::Cocoa::],
1257	[FLTK:: => AnyEvent::Impl::FLTK::],	1290	[FLTK:: => AnyEvent::Impl::FLTK2::],
1258	);	1291	);
1259		1292
1260	our %method = map +($_ => 1),	1293	# all autoloaded methods reserve the complete glob, not just the method slot.
		1294	# due to bugs in perls method cache implementation.
1261	qw(io timer time now now_update signal child idle condvar DESTROY);	1295	our @methods = qw(io timer time now now_update signal child idle condvar);
1262
1263	our @post_detect;
1264
1265	sub post_detect(&) {
1266	my ($cb) = @_;
1267
1268	push @post_detect, $cb;
1269
1270	defined wantarray
1271	? bless \$cb, "AnyEvent::Util::postdetect"
1272	: ()
1273	}
1274
1275	sub AnyEvent::Util::postdetect::DESTROY {
1276	@post_detect = grep $_ != ${$_[0]}, @post_detect;
1277	}
1278		1296
1279	sub detect() {	1297	sub detect() {
		1298	local $!; # for good measure
		1299	local $SIG{__DIE__}; # we use eval
		1300
1280	# free some memory	1301	# free some memory
1281	*detect = sub () { $MODEL };	1302	*detect = sub () { $MODEL };
		1303	# undef &func doesn't correctly update the method cache. grmbl.
		1304	# so we delete the whole glob. grmbl.
		1305	# otoh, perl doesn't let me undef an active usb, but it lets me free
		1306	# a glob with an active sub. hrm. i hope it works, but perl is
		1307	# usually buggy in this department. sigh.
		1308	delete @{"AnyEvent::"}{@methods};
		1309	undef @methods;
1282		1310
1283	local $!; # for good measure
1284	local $SIG{__DIE__};
1285
1286	if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z]+)$/) {	1311	if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z0-9:]+)$/) {
1287	my $model = "AnyEvent::Impl::$1";	1312	my $model = $1;
		1313	$model = "AnyEvent::Impl::$model" unless $model =~ s/::$//;
1288	if (eval "require $model") {	1314	if (eval "require $model") {
1289	$MODEL = $model;	1315	$MODEL = $model;
1290	warn "AnyEvent: loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it.\n" if $VERBOSE >= 2;	1316	warn "AnyEvent: loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it.\n" if $VERBOSE >= 2;
1291	} else {	1317	} else {
1292	warn "AnyEvent: unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@" if $VERBOSE;	1318	warn "AnyEvent: unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@" if $VERBOSE;
…		…
1325	$MODEL	1351	$MODEL
1326	or die "AnyEvent: backend autodetection failed - did you properly install AnyEvent?\n";	1352	or die "AnyEvent: backend autodetection failed - did you properly install AnyEvent?\n";
1327	}	1353	}
1328	}	1354	}
1329		1355
1330	@models = (); # free probe data	1356	# free memory only needed for probing
		1357	undef @models;
		1358	undef @REGISTRY;
1331		1359
1332	push @{"$MODEL\::ISA"}, "AnyEvent::Base";	1360	push @{"$MODEL\::ISA"}, "AnyEvent::Base";
1333	unshift @ISA, $MODEL;	1361	unshift @ISA, $MODEL;
1334		1362
1335	# now nuke some methods that are overridden by the backend.	1363	# now nuke some methods that are overridden by the backend.
1336	# SUPER is not allowed.	1364	# SUPER usage is not allowed in these.
1337	for (qw(time signal child idle)) {	1365	for (qw(time signal child idle)) {
1338	undef &{"AnyEvent::Base::$_"}	1366	undef &{"AnyEvent::Base::$_"}
1339	if defined &{"$MODEL\::$_"};	1367	if defined &{"$MODEL\::$_"};
1340	}	1368	}
1341		1369
1342	if ($ENV{PERL_ANYEVENT_STRICT}) {	1370	if ($ENV{PERL_ANYEVENT_STRICT}) {
1343	eval { require AnyEvent::Strict };	1371	require AnyEvent::Strict;
1344	warn "AnyEvent: cannot load AnyEvent::Strict: $@"
1345	if $@ && $VERBOSE;
1346	}	1372	}
1347		1373
		1374	if ($ENV{PERL_ANYEVENT_DEBUG_WRAP}) {
		1375	require AnyEvent::Debug;
		1376	AnyEvent::Debug::wrap ($ENV{PERL_ANYEVENT_DEBUG_WRAP});
		1377	}
		1378
		1379	if (exists $ENV{PERL_ANYEVENT_DEBUG_SHELL}) {
		1380	require AnyEvent::Socket;
		1381	require AnyEvent::Debug;
		1382
		1383	my ($host, $service) = AnyEvent::Socket::parse_hostport ($ENV{PERL_ANYEVENT_DEBUG_SHELL});
		1384	$AnyEvent::Debug::SHELL = AnyEvent::Debug::shell ($host, $service);
		1385	}
		1386
1348	(shift @post_detect)->() while @post_detect;	1387	(shift @post_detect)->() while @post_detect;
		1388	undef @post_detect;
1349		1389
1350	*post_detect = sub(&) {	1390	*post_detect = sub(&) {
1351	shift->();	1391	shift->();
1352		1392
1353	undef	1393	undef
1354	};	1394	};
1355		1395
1356	$MODEL	1396	$MODEL
1357	}	1397	}
1358		1398
1359	sub AUTOLOAD {	1399	for my $name (@methods) {
1360	(my $func = $AUTOLOAD) =~ s/.*://;	1400	*$name = sub {
1361
1362	$method{$func}
1363	or Carp::croak "$func: not a valid AnyEvent class method";
1364
1365	detect;	1401	detect;
1366		1402	# we use goto because
1367	my $class = shift;	1403	# a) it makes the thunk more transparent
1368	$class->$func (@_);	1404	# b) it allows us to delete the thunk later
1369	}	1405	goto &{ UNIVERSAL::can AnyEvent => "SUPER::$name" }
1370		1406	};
1371	our $POSTPONE_W;
1372	our @POSTPONE;
1373
1374	sub _postpone_exec {
1375	undef $POSTPONE_W;
1376	(pop @POSTPONE)->()
1377	while @POSTPONE;
1378	}
1379
1380	sub postpone(&) {
1381	push @POSTPONE, shift;
1382
1383	$POSTPONE_W \|\|= AE::timer (0, 0, \&_postpone_exec);
1384
1385	()
1386	}	1407	}
1387		1408
1388	# utility function to dup a filehandle. this is used by many backends	1409	# utility function to dup a filehandle. this is used by many backends
1389	# to support binding more than one watcher per filehandle (they usually	1410	# to support binding more than one watcher per filehandle (they usually
1390	# allow only one watcher per fd, so we dup it to get a different one).	1411	# allow only one watcher per fd, so we dup it to get a different one).
…		…
1414		1435
1415	package AE;	1436	package AE;
1416		1437
1417	our $VERSION = $AnyEvent::VERSION;	1438	our $VERSION = $AnyEvent::VERSION;
1418		1439
		1440	sub _reset() {
		1441	eval q{
1419	# fall back to the main API by default - backends and AnyEvent::Base	1442	# fall back to the main API by default - backends and AnyEvent::Base
1420	# implementations can overwrite these.	1443	# implementations can overwrite these.
1421		1444
1422	sub io($$$) {	1445	sub io($$$) {
1423	AnyEvent->io (fh => $_[0], poll => $_[1] ? "w" : "r", cb => $_[2])	1446	AnyEvent->io (fh => $_[0], poll => $_[1] ? "w" : "r", cb => $_[2])
1424	}	1447	}
1425		1448
1426	sub timer($$$) {	1449	sub timer($$$) {
1427	AnyEvent->timer (after => $_[0], interval => $_[1], cb => $_[2])	1450	AnyEvent->timer (after => $_[0], interval => $_[1], cb => $_[2])
1428	}	1451	}
1429		1452
1430	sub signal($$) {	1453	sub signal($$) {
1431	AnyEvent->signal (signal => $_[0], cb => $_[1])	1454	AnyEvent->signal (signal => $_[0], cb => $_[1])
1432	}	1455	}
1433		1456
1434	sub child($$) {	1457	sub child($$) {
1435	AnyEvent->child (pid => $_[0], cb => $_[1])	1458	AnyEvent->child (pid => $_[0], cb => $_[1])
1436	}	1459	}
1437		1460
1438	sub idle($) {	1461	sub idle($) {
1439	AnyEvent->idle (cb => $_[0])	1462	AnyEvent->idle (cb => $_[0]);
1440	}	1463	}
1441		1464
1442	sub cv(;&) {	1465	sub cv(;&) {
1443	AnyEvent->condvar (@_ ? (cb => $_[0]) : ())	1466	AnyEvent->condvar (@_ ? (cb => $_[0]) : ())
1444	}	1467	}
1445		1468
1446	sub now() {	1469	sub now() {
1447	AnyEvent->now	1470	AnyEvent->now
1448	}	1471	}
1449		1472
1450	sub now_update() {	1473	sub now_update() {
1451	AnyEvent->now_update	1474	AnyEvent->now_update
1452	}	1475	}
1453		1476
1454	sub time() {	1477	sub time() {
1455	AnyEvent->time	1478	AnyEvent->time
1456	}	1479	}
1457		1480
1458	*postpone = \&AnyEvent::postpone;	1481	*postpone = \&AnyEvent::postpone;
		1482	};
		1483	die if $@;
		1484	}
		1485
		1486	BEGIN { _reset }
1459		1487
1460	package AnyEvent::Base;	1488	package AnyEvent::Base;
1461		1489
1462	# default implementations for many methods	1490	# default implementations for many methods
1463		1491
…		…
1667	: sysread $SIGPIPE_R, (my $dummy), 9;	1695	: sysread $SIGPIPE_R, (my $dummy), 9;
1668		1696
1669	while (%SIG_EV) {	1697	while (%SIG_EV) {
1670	for (keys %SIG_EV) {	1698	for (keys %SIG_EV) {
1671	delete $SIG_EV{$_};	1699	delete $SIG_EV{$_};
1672	$_->() for values %{ $SIG_CB{$_} \|\| {} };	1700	&$_ for values %{ $SIG_CB{$_} \|\| {} };
1673	}	1701	}
1674	}	1702	}
1675	};	1703	};
1676	};	1704	};
1677	die if $@;	1705	die if $@;
…		…
1744		1772
1745	my ($cb, $w, $rcb) = $arg{cb};	1773	my ($cb, $w, $rcb) = $arg{cb};
1746		1774
1747	$rcb = sub {	1775	$rcb = sub {
1748	if ($cb) {	1776	if ($cb) {
1749	$w = _time;	1777	$w = AE::time;
1750	&$cb;	1778	&$cb;
1751	$w = _time - $w;	1779	$w = AE::time - $w;
1752		1780
1753	# never use more then 50% of the time for the idle watcher,	1781	# never use more then 50% of the time for the idle watcher,
1754	# within some limits	1782	# within some limits
1755	$w = 0.0001 if $w < 0.0001;	1783	$w = 0.0001 if $w < 0.0001;
1756	$w = 5 if $w > 5;	1784	$w = 5 if $w > 5;
…		…
1925	Unlike C<use strict> (or its modern cousin, C<< use L<common::sense>	1953	Unlike C<use strict> (or its modern cousin, C<< use L<common::sense>
1926	>>, it is definitely recommended to keep it off in production. Keeping	1954	>>, it is definitely recommended to keep it off in production. Keeping
1927	C<PERL_ANYEVENT_STRICT=1> in your environment while developing programs	1955	C<PERL_ANYEVENT_STRICT=1> in your environment while developing programs
1928	can be very useful, however.	1956	can be very useful, however.
1929		1957
		1958	=item C<PERL_ANYEVENT_DEBUG_SHELL>
		1959
		1960	If this env variable is set, then its contents will be
		1961	interpreted by C<AnyEvent::Socket::parse_hostport> and an
		1962	C<AnyEvent::Debug::shell> is bound on that port. The shell object is saved
		1963	in C<$AnyEvent::Debug::SHELL>.
		1964
		1965	For example, to bind a debug shell on a unix domain socket in
		1966	F</tmp/debug.sock>, you could use this:
		1967
		1968	PERL_ANYEVENT_DEBUG_SHELL=unix/:/tmp/debug.sock perlprog
		1969
		1970	=item C<PERL_ANYEVENT_DEBUG_WRAP>
		1971
		1972	Can be set to C<0>, C<1> or C<2> and enables wrapping of all watchers for
		1973	debugging purposes. See C<AnyEvent::Debug::wrap> for details.
		1974
1930	=item C<PERL_ANYEVENT_MODEL>	1975	=item C<PERL_ANYEVENT_MODEL>
1931		1976
1932	This can be used to specify the event model to be used by AnyEvent, before	1977	This can be used to specify the event model to be used by AnyEvent, before
1933	auto detection and -probing kicks in. It must be a string consisting	1978	auto detection and -probing kicks in.
1934	entirely of ASCII letters. The string C<AnyEvent::Impl::> gets prepended	1979
		1980	It normally is a string consisting entirely of ASCII letters (e.g. C<EV>
		1981	or C<IOAsync>). The string C<AnyEvent::Impl::> gets prepended and the
1935	and the resulting module name is loaded and if the load was successful,	1982	resulting module name is loaded and - if the load was successful - used as
1936	used as event model. If it fails to load AnyEvent will proceed with	1983	event model backend. If it fails to load then AnyEvent will proceed with
1937	auto detection and -probing.	1984	auto detection and -probing.
1938		1985
1939	This functionality might change in future versions.	1986	If the string ends with C<::> instead (e.g. C<AnyEvent::Impl::EV::>) then
		1987	nothing gets prepended and the module name is used as-is (hint: C<::> at
		1988	the end of a string designates a module name and quotes it appropriately).
1940		1989
1941	For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you	1990	For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you
1942	could start your program like this:	1991	could start your program like this:
1943		1992
1944	PERL_ANYEVENT_MODEL=Perl perl ...	1993	PERL_ANYEVENT_MODEL=Perl perl ...

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Comparing AnyEvent/lib/AnyEvent.pm (file contents): Revision 1.354 by root, Thu Aug 11 21:26:39 2011 UTC vs. Revision 1.358 by root, Sat Aug 13 02:35:32 2011 UTC

Diff Legend

Comparing AnyEvent/lib/AnyEvent.pm (file contents):
Revision 1.354 by root, Thu Aug 11 21:26:39 2011 UTC vs.
Revision 1.358 by root, Sat Aug 13 02:35:32 2011 UTC