[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 1.360 by root, Sat Aug 13 22:44:05 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
…		…
933		933
934	Returns C<$AnyEvent::MODEL>, forcing autodetection of the event model	934	Returns C<$AnyEvent::MODEL>, forcing autodetection of the event model
935	if necessary. You should only call this function right before you would	935	if necessary. You should only call this function right before you would
936	have created an AnyEvent watcher anyway, that is, as late as possible at	936	have created an AnyEvent watcher anyway, that is, as late as possible at
937	runtime, and not e.g. during initialisation of your module.	937	runtime, and not e.g. during initialisation of your module.
		938
		939	The effect of calling this function is as if a watcher had been created
		940	(specifically, actions that happen "when the first watcher is created"
		941	happen when calling detetc as well).
938		942
939	If you need to do some initialisation before AnyEvent watchers are	943	If you need to do some initialisation before AnyEvent watchers are
940	created, use C<post_detect>.	944	created, use C<post_detect>.
941		945
942	=item $guard = AnyEvent::post_detect { BLOCK }	946	=item $guard = AnyEvent::post_detect { BLOCK }
…		…
1202		1206
1203	BEGIN { AnyEvent::common_sense }	1207	BEGIN { AnyEvent::common_sense }
1204		1208
1205	use Carp ();	1209	use Carp ();
1206		1210
1207	our $VERSION = '5.34';	1211	our $VERSION = '6.0';
1208	our $MODEL;	1212	our $MODEL;
1209		1213
1210	our $AUTOLOAD;
1211	our @ISA;	1214	our @ISA;
1212		1215
1213	our @REGISTRY;	1216	our @REGISTRY;
1214		1217
1215	our $VERBOSE;	1218	our $VERBOSE;
…		…
1235	$PROTOCOL{$_} = ++$idx	1238	$PROTOCOL{$_} = ++$idx
1236	for reverse split /\s,\s/,	1239	for reverse split /\s,\s/,
1237	$ENV{PERL_ANYEVENT_PROTOCOLS} \|\| "ipv4,ipv6";	1240	$ENV{PERL_ANYEVENT_PROTOCOLS} \|\| "ipv4,ipv6";
1238	}	1241	}
1239		1242
		1243	our @post_detect;
		1244
		1245	sub post_detect(&) {
		1246	my ($cb) = @_;
		1247
		1248	push @post_detect, $cb;
		1249
		1250	defined wantarray
		1251	? bless \$cb, "AnyEvent::Util::postdetect"
		1252	: ()
		1253	}
		1254
		1255	sub AnyEvent::Util::postdetect::DESTROY {
		1256	@post_detect = grep $_ != ${$_[0]}, @post_detect;
		1257	}
		1258
		1259	our $POSTPONE_W;
		1260	our @POSTPONE;
		1261
		1262	sub _postpone_exec {
		1263	undef $POSTPONE_W;
		1264
		1265	&{ shift @POSTPONE }
		1266	while @POSTPONE;
		1267	}
		1268
		1269	sub postpone(&) {
		1270	push @POSTPONE, shift;
		1271
		1272	$POSTPONE_W \|\|= AE::timer (0, 0, \&_postpone_exec);
		1273
		1274	()
		1275	}
		1276
1240	my @models = (	1277	our @models = (
1241	[EV:: => AnyEvent::Impl::EV:: , 1],	1278	[EV:: => AnyEvent::Impl::EV:: , 1],
1242	[AnyEvent::Loop:: => AnyEvent::Impl::Perl:: , 1],	1279	[AnyEvent::Loop:: => AnyEvent::Impl::Perl:: , 1],
1243	# everything below here will not (normally) be autoprobed	1280	# everything below here will not (normally) be autoprobed
1244	# as the pure perl backend should work everywhere	1281	# as the pure perl backend should work everywhere
1245	# and is usually faster	1282	# and is usually faster
…		…
1250	[Tk:: => AnyEvent::Impl::Tk::], # crashes with many handles	1287	[Tk:: => AnyEvent::Impl::Tk::], # crashes with many handles
1251	[Qt:: => AnyEvent::Impl::Qt::], # requires special main program	1288	[Qt:: => AnyEvent::Impl::Qt::], # requires special main program
1252	[POE::Kernel:: => AnyEvent::Impl::POE::], # lasciate ogni speranza	1289	[POE::Kernel:: => AnyEvent::Impl::POE::], # lasciate ogni speranza
1253	[Wx:: => AnyEvent::Impl::POE::],	1290	[Wx:: => AnyEvent::Impl::POE::],
1254	[Prima:: => AnyEvent::Impl::POE::],	1291	[Prima:: => AnyEvent::Impl::POE::],
1255	[IO::Async::Loop:: => AnyEvent::Impl::IOAsync::],	1292	[IO::Async::Loop:: => AnyEvent::Impl::IOAsync::], # a bitch to autodetect
1256	[Cocoa::EventLoop:: => AnyEvent::Impl::Cocoa::],	1293	[Cocoa::EventLoop:: => AnyEvent::Impl::Cocoa::],
1257	[FLTK:: => AnyEvent::Impl::FLTK::],	1294	[FLTK:: => AnyEvent::Impl::FLTK2::],
1258	);	1295	);
1259		1296
1260	our %method = map +($_ => 1),	1297	# all autoloaded methods reserve the complete glob, not just the method slot.
		1298	# due to bugs in perls method cache implementation.
1261	qw(io timer time now now_update signal child idle condvar DESTROY);	1299	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		1300
1279	sub detect() {	1301	sub detect() {
		1302	local $!; # for good measure
		1303	local $SIG{__DIE__}; # we use eval
		1304
1280	# free some memory	1305	# free some memory
1281	*detect = sub () { $MODEL };	1306	*detect = sub () { $MODEL };
		1307	# undef &func doesn't correctly update the method cache. grmbl.
		1308	# so we delete the whole glob. grmbl.
		1309	# otoh, perl doesn't let me undef an active usb, but it lets me free
		1310	# a glob with an active sub. hrm. i hope it works, but perl is
		1311	# usually buggy in this department. sigh.
		1312	delete @{"AnyEvent::"}{@methods};
		1313	undef @methods;
1282		1314
1283	local $!; # for good measure
1284	local $SIG{__DIE__};
1285
1286	if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z]+)$/) {	1315	if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z0-9:]+)$/) {
1287	my $model = "AnyEvent::Impl::$1";	1316	my $model = $1;
		1317	$model = "AnyEvent::Impl::$model" unless $model =~ s/::$//;
1288	if (eval "require $model") {	1318	if (eval "require $model") {
1289	$MODEL = $model;	1319	$MODEL = $model;
1290	warn "AnyEvent: loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it.\n" if $VERBOSE >= 2;	1320	warn "AnyEvent: loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it.\n" if $VERBOSE >= 2;
1291	} else {	1321	} else {
1292	warn "AnyEvent: unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@" if $VERBOSE;	1322	warn "AnyEvent: unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@" if $VERBOSE;
…		…
1325	$MODEL	1355	$MODEL
1326	or die "AnyEvent: backend autodetection failed - did you properly install AnyEvent?\n";	1356	or die "AnyEvent: backend autodetection failed - did you properly install AnyEvent?\n";
1327	}	1357	}
1328	}	1358	}
1329		1359
1330	@models = (); # free probe data	1360	# free memory only needed for probing
		1361	undef @models;
		1362	undef @REGISTRY;
1331		1363
1332	push @{"$MODEL\::ISA"}, "AnyEvent::Base";	1364	push @{"$MODEL\::ISA"}, "AnyEvent::Base";
1333	unshift @ISA, $MODEL;	1365	unshift @ISA, $MODEL;
1334		1366
1335	# now nuke some methods that are overridden by the backend.	1367	# now nuke some methods that are overridden by the backend.
1336	# SUPER is not allowed.	1368	# SUPER usage is not allowed in these.
1337	for (qw(time signal child idle)) {	1369	for (qw(time signal child idle)) {
1338	undef &{"AnyEvent::Base::$_"}	1370	undef &{"AnyEvent::Base::$_"}
1339	if defined &{"$MODEL\::$_"};	1371	if defined &{"$MODEL\::$_"};
1340	}	1372	}
1341		1373
1342	if ($ENV{PERL_ANYEVENT_STRICT}) {	1374	if ($ENV{PERL_ANYEVENT_STRICT}) {
1343	eval { require AnyEvent::Strict };	1375	require AnyEvent::Strict;
1344	warn "AnyEvent: cannot load AnyEvent::Strict: $@"
1345	if $@ && $VERBOSE;
1346	}	1376	}
1347		1377
		1378	if ($ENV{PERL_ANYEVENT_DEBUG_WRAP}) {
		1379	require AnyEvent::Debug;
		1380	AnyEvent::Debug::wrap ($ENV{PERL_ANYEVENT_DEBUG_WRAP});
		1381	}
		1382
		1383	if (exists $ENV{PERL_ANYEVENT_DEBUG_SHELL}) {
		1384	require AnyEvent::Socket;
		1385	require AnyEvent::Debug;
		1386
		1387	my $shell = $ENV{PERL_ANYEVENT_DEBUG_SHELL};
		1388	$shell =~ s/\$\$/$$/g;
		1389
		1390	my ($host, $service) = AnyEvent::Socket::parse_hostport ($shell);
		1391	$AnyEvent::Debug::SHELL = AnyEvent::Debug::shell ($host, $service);
		1392	}
		1393
1348	(shift @post_detect)->() while @post_detect;	1394	(shift @post_detect)->() while @post_detect;
		1395	undef @post_detect;
1349		1396
1350	*post_detect = sub(&) {	1397	*post_detect = sub(&) {
1351	shift->();	1398	shift->();
1352		1399
1353	undef	1400	undef
1354	};	1401	};
1355		1402
1356	$MODEL	1403	$MODEL
1357	}	1404	}
1358		1405
1359	sub AUTOLOAD {	1406	for my $name (@methods) {
1360	(my $func = $AUTOLOAD) =~ s/.*://;	1407	*$name = sub {
1361
1362	$method{$func}
1363	or Carp::croak "$func: not a valid AnyEvent class method";
1364
1365	detect;	1408	detect;
1366		1409	# we use goto because
1367	my $class = shift;	1410	# a) it makes the thunk more transparent
1368	$class->$func (@_);	1411	# b) it allows us to delete the thunk later
1369	}	1412	goto &{ UNIVERSAL::can AnyEvent => "SUPER::$name" }
1370		1413	};
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	}	1414	}
1387		1415
1388	# utility function to dup a filehandle. this is used by many backends	1416	# utility function to dup a filehandle. this is used by many backends
1389	# to support binding more than one watcher per filehandle (they usually	1417	# 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).	1418	# allow only one watcher per fd, so we dup it to get a different one).
…		…
1414		1442
1415	package AE;	1443	package AE;
1416		1444
1417	our $VERSION = $AnyEvent::VERSION;	1445	our $VERSION = $AnyEvent::VERSION;
1418		1446
		1447	sub _reset() {
		1448	eval q{
1419	# fall back to the main API by default - backends and AnyEvent::Base	1449	# fall back to the main API by default - backends and AnyEvent::Base
1420	# implementations can overwrite these.	1450	# implementations can overwrite these.
1421		1451
1422	sub io($$$) {	1452	sub io($$$) {
1423	AnyEvent->io (fh => $_[0], poll => $_[1] ? "w" : "r", cb => $_[2])	1453	AnyEvent->io (fh => $_[0], poll => $_[1] ? "w" : "r", cb => $_[2])
1424	}	1454	}
1425		1455
1426	sub timer($$$) {	1456	sub timer($$$) {
1427	AnyEvent->timer (after => $_[0], interval => $_[1], cb => $_[2])	1457	AnyEvent->timer (after => $_[0], interval => $_[1], cb => $_[2])
1428	}	1458	}
1429		1459
1430	sub signal($$) {	1460	sub signal($$) {
1431	AnyEvent->signal (signal => $_[0], cb => $_[1])	1461	AnyEvent->signal (signal => $_[0], cb => $_[1])
1432	}	1462	}
1433		1463
1434	sub child($$) {	1464	sub child($$) {
1435	AnyEvent->child (pid => $_[0], cb => $_[1])	1465	AnyEvent->child (pid => $_[0], cb => $_[1])
1436	}	1466	}
1437		1467
1438	sub idle($) {	1468	sub idle($) {
1439	AnyEvent->idle (cb => $_[0])	1469	AnyEvent->idle (cb => $_[0]);
1440	}	1470	}
1441		1471
1442	sub cv(;&) {	1472	sub cv(;&) {
1443	AnyEvent->condvar (@_ ? (cb => $_[0]) : ())	1473	AnyEvent->condvar (@_ ? (cb => $_[0]) : ())
1444	}	1474	}
1445		1475
1446	sub now() {	1476	sub now() {
1447	AnyEvent->now	1477	AnyEvent->now
1448	}	1478	}
1449		1479
1450	sub now_update() {	1480	sub now_update() {
1451	AnyEvent->now_update	1481	AnyEvent->now_update
1452	}	1482	}
1453		1483
1454	sub time() {	1484	sub time() {
1455	AnyEvent->time	1485	AnyEvent->time
1456	}	1486	}
1457		1487
1458	*postpone = \&AnyEvent::postpone;	1488	*postpone = \&AnyEvent::postpone;
		1489	};
		1490	die if $@;
		1491	}
		1492
		1493	BEGIN { _reset }
1459		1494
1460	package AnyEvent::Base;	1495	package AnyEvent::Base;
1461		1496
1462	# default implementations for many methods	1497	# default implementations for many methods
1463		1498
…		…
1667	: sysread $SIGPIPE_R, (my $dummy), 9;	1702	: sysread $SIGPIPE_R, (my $dummy), 9;
1668		1703
1669	while (%SIG_EV) {	1704	while (%SIG_EV) {
1670	for (keys %SIG_EV) {	1705	for (keys %SIG_EV) {
1671	delete $SIG_EV{$_};	1706	delete $SIG_EV{$_};
1672	$_->() for values %{ $SIG_CB{$_} \|\| {} };	1707	&$_ for values %{ $SIG_CB{$_} \|\| {} };
1673	}	1708	}
1674	}	1709	}
1675	};	1710	};
1676	};	1711	};
1677	die if $@;	1712	die if $@;
…		…
1744		1779
1745	my ($cb, $w, $rcb) = $arg{cb};	1780	my ($cb, $w, $rcb) = $arg{cb};
1746		1781
1747	$rcb = sub {	1782	$rcb = sub {
1748	if ($cb) {	1783	if ($cb) {
1749	$w = _time;	1784	$w = AE::time;
1750	&$cb;	1785	&$cb;
1751	$w = _time - $w;	1786	$w = AE::time - $w;
1752		1787
1753	# never use more then 50% of the time for the idle watcher,	1788	# never use more then 50% of the time for the idle watcher,
1754	# within some limits	1789	# within some limits
1755	$w = 0.0001 if $w < 0.0001;	1790	$w = 0.0001 if $w < 0.0001;
1756	$w = 5 if $w > 5;	1791	$w = 5 if $w > 5;
…		…
1925	Unlike C<use strict> (or its modern cousin, C<< use L<common::sense>	1960	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	1961	>>, it is definitely recommended to keep it off in production. Keeping
1927	C<PERL_ANYEVENT_STRICT=1> in your environment while developing programs	1962	C<PERL_ANYEVENT_STRICT=1> in your environment while developing programs
1928	can be very useful, however.	1963	can be very useful, however.
1929		1964
		1965	=item C<PERL_ANYEVENT_DEBUG_SHELL>
		1966
		1967	If this env variable is set, then its contents will be interpreted by
		1968	C<AnyEvent::Socket::parse_hostport> (after replacing every occurance of
		1969	C<$$> by the process pid) and an C<AnyEvent::Debug::shell> is bound on
		1970	that port. The shell object is saved in C<$AnyEvent::Debug::SHELL>.
		1971
		1972	This takes place when the first watcher is created.
		1973
		1974	For example, to bind a debug shell on a unix domain socket in
		1975	F<< /tmp/debug<pid>.sock >>, you could use this:
		1976
		1977	PERL_ANYEVENT_DEBUG_SHELL=unix/:/tmp/debug\$\$.sock perlprog
		1978
		1979	Note that creating sockets in F</tmp> is very unsafe on multiuser
		1980	systems.
		1981
		1982	=item C<PERL_ANYEVENT_DEBUG_WRAP>
		1983
		1984	Can be set to C<0>, C<1> or C<2> and enables wrapping of all watchers for
		1985	debugging purposes. See C<AnyEvent::Debug::wrap> for details.
		1986
1930	=item C<PERL_ANYEVENT_MODEL>	1987	=item C<PERL_ANYEVENT_MODEL>
1931		1988
1932	This can be used to specify the event model to be used by AnyEvent, before	1989	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	1990	auto detection and -probing kicks in.
1934	entirely of ASCII letters. The string C<AnyEvent::Impl::> gets prepended	1991
		1992	It normally is a string consisting entirely of ASCII letters (e.g. C<EV>
		1993	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,	1994	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	1995	event model backend. If it fails to load then AnyEvent will proceed with
1937	auto detection and -probing.	1996	auto detection and -probing.
1938		1997
1939	This functionality might change in future versions.	1998	If the string ends with C<::> instead (e.g. C<AnyEvent::Impl::EV::>) then
		1999	nothing gets prepended and the module name is used as-is (hint: C<::> at
		2000	the end of a string designates a module name and quotes it appropriately).
1940		2001
1941	For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you	2002	For example, to force the pure perl model (L<AnyEvent::Loop::Perl>) you
1942	could start your program like this:	2003	could start your program like this:
1943		2004
1944	PERL_ANYEVENT_MODEL=Perl perl ...	2005	PERL_ANYEVENT_MODEL=Perl perl ...

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing AnyEvent/lib/AnyEvent.pm (file contents): Revision 1.354 by root, Thu Aug 11 21:26:39 2011 UTC vs. Revision 1.360 by root, Sat Aug 13 22:44:05 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 1.360 by root, Sat Aug 13 22:44:05 2011 UTC