[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 1.357 by root, Sat Aug 13 02:20:29 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::Debug;
		1381	#d#
		1382	}
		1383
1348	(shift @post_detect)->() while @post_detect;	1384	(shift @post_detect)->() while @post_detect;
		1385	undef @post_detect;
1349		1386
1350	*post_detect = sub(&) {	1387	*post_detect = sub(&) {
1351	shift->();	1388	shift->();
1352		1389
1353	undef	1390	undef
1354	};	1391	};
1355		1392
1356	$MODEL	1393	$MODEL
1357	}	1394	}
1358		1395
1359	sub AUTOLOAD {	1396	for my $name (@methods) {
1360	(my $func = $AUTOLOAD) =~ s/.*://;	1397	*$name = sub {
1361
1362	$method{$func}
1363	or Carp::croak "$func: not a valid AnyEvent class method";
1364
1365	detect;	1398	detect;
1366		1399	# we use goto because
1367	my $class = shift;	1400	# a) it makes the thunk more transparent
1368	$class->$func (@_);	1401	# b) it allows us to delete the thunk later
1369	}	1402	goto &{ UNIVERSAL::can AnyEvent => "SUPER::$name" }
1370		1403	};
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	}	1404	}
1387		1405
1388	# utility function to dup a filehandle. this is used by many backends	1406	# utility function to dup a filehandle. this is used by many backends
1389	# to support binding more than one watcher per filehandle (they usually	1407	# 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).	1408	# allow only one watcher per fd, so we dup it to get a different one).
…		…
1414		1432
1415	package AE;	1433	package AE;
1416		1434
1417	our $VERSION = $AnyEvent::VERSION;	1435	our $VERSION = $AnyEvent::VERSION;
1418		1436
		1437	sub _reset() {
		1438	eval q{
1419	# fall back to the main API by default - backends and AnyEvent::Base	1439	# fall back to the main API by default - backends and AnyEvent::Base
1420	# implementations can overwrite these.	1440	# implementations can overwrite these.
1421		1441
1422	sub io($$$) {	1442	sub io($$$) {
1423	AnyEvent->io (fh => $_[0], poll => $_[1] ? "w" : "r", cb => $_[2])	1443	AnyEvent->io (fh => $_[0], poll => $_[1] ? "w" : "r", cb => $_[2])
1424	}	1444	}
1425		1445
1426	sub timer($$$) {	1446	sub timer($$$) {
1427	AnyEvent->timer (after => $_[0], interval => $_[1], cb => $_[2])	1447	AnyEvent->timer (after => $_[0], interval => $_[1], cb => $_[2])
1428	}	1448	}
1429		1449
1430	sub signal($$) {	1450	sub signal($$) {
1431	AnyEvent->signal (signal => $_[0], cb => $_[1])	1451	AnyEvent->signal (signal => $_[0], cb => $_[1])
1432	}	1452	}
1433		1453
1434	sub child($$) {	1454	sub child($$) {
1435	AnyEvent->child (pid => $_[0], cb => $_[1])	1455	AnyEvent->child (pid => $_[0], cb => $_[1])
1436	}	1456	}
1437		1457
1438	sub idle($) {	1458	sub idle($) {
1439	AnyEvent->idle (cb => $_[0])	1459	AnyEvent->idle (cb => $_[0]);
1440	}	1460	}
1441		1461
1442	sub cv(;&) {	1462	sub cv(;&) {
1443	AnyEvent->condvar (@_ ? (cb => $_[0]) : ())	1463	AnyEvent->condvar (@_ ? (cb => $_[0]) : ())
1444	}	1464	}
1445		1465
1446	sub now() {	1466	sub now() {
1447	AnyEvent->now	1467	AnyEvent->now
1448	}	1468	}
1449		1469
1450	sub now_update() {	1470	sub now_update() {
1451	AnyEvent->now_update	1471	AnyEvent->now_update
1452	}	1472	}
1453		1473
1454	sub time() {	1474	sub time() {
1455	AnyEvent->time	1475	AnyEvent->time
1456	}	1476	}
1457		1477
1458	*postpone = \&AnyEvent::postpone;	1478	*postpone = \&AnyEvent::postpone;
		1479	};
		1480	die if $@;
		1481	}
		1482
		1483	BEGIN { _reset }
1459		1484
1460	package AnyEvent::Base;	1485	package AnyEvent::Base;
1461		1486
1462	# default implementations for many methods	1487	# default implementations for many methods
1463		1488
…		…
1667	: sysread $SIGPIPE_R, (my $dummy), 9;	1692	: sysread $SIGPIPE_R, (my $dummy), 9;
1668		1693
1669	while (%SIG_EV) {	1694	while (%SIG_EV) {
1670	for (keys %SIG_EV) {	1695	for (keys %SIG_EV) {
1671	delete $SIG_EV{$_};	1696	delete $SIG_EV{$_};
1672	$_->() for values %{ $SIG_CB{$_} \|\| {} };	1697	&$_ for values %{ $SIG_CB{$_} \|\| {} };
1673	}	1698	}
1674	}	1699	}
1675	};	1700	};
1676	};	1701	};
1677	die if $@;	1702	die if $@;
…		…
1744		1769
1745	my ($cb, $w, $rcb) = $arg{cb};	1770	my ($cb, $w, $rcb) = $arg{cb};
1746		1771
1747	$rcb = sub {	1772	$rcb = sub {
1748	if ($cb) {	1773	if ($cb) {
1749	$w = _time;	1774	$w = AE::time;
1750	&$cb;	1775	&$cb;
1751	$w = _time - $w;	1776	$w = AE::time - $w;
1752		1777
1753	# never use more then 50% of the time for the idle watcher,	1778	# never use more then 50% of the time for the idle watcher,
1754	# within some limits	1779	# within some limits
1755	$w = 0.0001 if $w < 0.0001;	1780	$w = 0.0001 if $w < 0.0001;
1756	$w = 5 if $w > 5;	1781	$w = 5 if $w > 5;
…		…
1928	can be very useful, however.	1953	can be very useful, however.
1929		1954
1930	=item C<PERL_ANYEVENT_MODEL>	1955	=item C<PERL_ANYEVENT_MODEL>
1931		1956
1932	This can be used to specify the event model to be used by AnyEvent, before	1957	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	1958	auto detection and -probing kicks in.
1934	entirely of ASCII letters. The string C<AnyEvent::Impl::> gets prepended	1959
		1960	It normally is a string consisting entirely of ASCII letters (e.g. C<EV>
		1961	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,	1962	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	1963	event model backend. If it fails to load then AnyEvent will proceed with
1937	auto detection and -probing.	1964	auto detection and -probing.
1938		1965
1939	This functionality might change in future versions.	1966	If the string ends with C<::> instead (e.g. C<AnyEvent::Impl::EV::>) then
		1967	nothing gets prepended and the module name is used as-is (hint: C<::> at
		1968	the end of a string designates a module name and quotes it appropriately).
1940		1969
1941	For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you	1970	For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you
1942	could start your program like this:	1971	could start your program like this:
1943		1972
1944	PERL_ANYEVENT_MODEL=Perl perl ...	1973	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 1.357 by root, Sat Aug 13 02:20:29 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 1.357 by root, Sat Aug 13 02:20:29 2011 UTC