… | |
… | |
1240 | sub AnyEvent::Util::postdetect::DESTROY { |
1240 | sub AnyEvent::Util::postdetect::DESTROY { |
1241 | @post_detect = grep $_ != ${$_[0]}, @post_detect; |
1241 | @post_detect = grep $_ != ${$_[0]}, @post_detect; |
1242 | } |
1242 | } |
1243 | |
1243 | |
1244 | sub detect() { |
1244 | sub detect() { |
|
|
1245 | # free some memory |
|
|
1246 | *detect = sub () { $MODEL }; |
|
|
1247 | |
|
|
1248 | local $!; # for good measure |
|
|
1249 | local $SIG{__DIE__}; |
|
|
1250 | |
|
|
1251 | if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z]+)$/) { |
|
|
1252 | my $model = "AnyEvent::Impl::$1"; |
|
|
1253 | if (eval "require $model") { |
|
|
1254 | $MODEL = $model; |
|
|
1255 | warn "AnyEvent: loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it.\n" if $VERBOSE >= 2; |
|
|
1256 | } else { |
|
|
1257 | warn "AnyEvent: unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@" if $VERBOSE; |
|
|
1258 | } |
|
|
1259 | } |
|
|
1260 | |
|
|
1261 | # check for already loaded models |
1245 | unless ($MODEL) { |
1262 | unless ($MODEL) { |
1246 | local $SIG{__DIE__}; |
1263 | for (@REGISTRY, @models) { |
1247 | |
1264 | my ($package, $model) = @$_; |
1248 | if ($ENV{PERL_ANYEVENT_MODEL} =~ /^([a-zA-Z]+)$/) { |
1265 | if (${"$package\::VERSION"} > 0) { |
1249 | my $model = "AnyEvent::Impl::$1"; |
|
|
1250 | if (eval "require $model") { |
1266 | if (eval "require $model") { |
1251 | $MODEL = $model; |
1267 | $MODEL = $model; |
1252 | warn "AnyEvent: loaded model '$model' (forced by \$ENV{PERL_ANYEVENT_MODEL}), using it.\n" if $VERBOSE >= 2; |
1268 | warn "AnyEvent: autodetected model '$model', using it.\n" if $VERBOSE >= 2; |
1253 | } else { |
1269 | last; |
1254 | warn "AnyEvent: unable to load model '$model' (from \$ENV{PERL_ANYEVENT_MODEL}):\n$@" if $VERBOSE; |
1270 | } |
1255 | } |
1271 | } |
1256 | } |
1272 | } |
1257 | |
1273 | |
1258 | # check for already loaded models |
|
|
1259 | unless ($MODEL) { |
1274 | unless ($MODEL) { |
|
|
1275 | # try to autoload a model |
1260 | for (@REGISTRY, @models) { |
1276 | for (@REGISTRY, @models) { |
1261 | my ($package, $model) = @$_; |
1277 | my ($package, $model, $autoload) = @$_; |
|
|
1278 | if ( |
|
|
1279 | $autoload |
|
|
1280 | and eval "require $package" |
1262 | if (${"$package\::VERSION"} > 0) { |
1281 | and ${"$package\::VERSION"} > 0 |
1263 | if (eval "require $model") { |
1282 | and eval "require $model" |
|
|
1283 | ) { |
1264 | $MODEL = $model; |
1284 | $MODEL = $model; |
1265 | warn "AnyEvent: autodetected model '$model', using it.\n" if $VERBOSE >= 2; |
1285 | warn "AnyEvent: autoloaded model '$model', using it.\n" if $VERBOSE >= 2; |
1266 | last; |
1286 | last; |
1267 | } |
|
|
1268 | } |
1287 | } |
1269 | } |
1288 | } |
1270 | |
1289 | |
1271 | unless ($MODEL) { |
|
|
1272 | # try to autoload a model |
|
|
1273 | for (@REGISTRY, @models) { |
|
|
1274 | my ($package, $model, $autoload) = @$_; |
|
|
1275 | if ( |
|
|
1276 | $autoload |
|
|
1277 | and eval "require $package" |
|
|
1278 | and ${"$package\::VERSION"} > 0 |
|
|
1279 | and eval "require $model" |
|
|
1280 | ) { |
|
|
1281 | $MODEL = $model; |
|
|
1282 | warn "AnyEvent: autoloaded model '$model', using it.\n" if $VERBOSE >= 2; |
|
|
1283 | last; |
|
|
1284 | } |
|
|
1285 | } |
|
|
1286 | |
|
|
1287 | $MODEL |
1290 | $MODEL |
1288 | or die "No event module selected for AnyEvent and autodetect failed. Install any one of these modules: EV, Event or Glib.\n"; |
1291 | or die "No event module selected for AnyEvent and autodetect failed. Install any one of these modules: EV, Event or Glib.\n"; |
1289 | } |
|
|
1290 | } |
1292 | } |
1291 | |
|
|
1292 | push @{"$MODEL\::ISA"}, "AnyEvent::Base"; |
|
|
1293 | |
|
|
1294 | unshift @ISA, $MODEL; |
|
|
1295 | |
|
|
1296 | require AnyEvent::Strict if $ENV{PERL_ANYEVENT_STRICT}; |
|
|
1297 | |
|
|
1298 | (shift @post_detect)->() while @post_detect; |
|
|
1299 | } |
1293 | } |
|
|
1294 | |
|
|
1295 | @models = (); # free probe data |
|
|
1296 | |
|
|
1297 | push @{"$MODEL\::ISA"}, "AnyEvent::Base"; |
|
|
1298 | unshift @ISA, $MODEL; |
|
|
1299 | |
|
|
1300 | require AnyEvent::Strict if $ENV{PERL_ANYEVENT_STRICT}; |
|
|
1301 | |
|
|
1302 | (shift @post_detect)->() while @post_detect; |
1300 | |
1303 | |
1301 | $MODEL |
1304 | $MODEL |
1302 | } |
1305 | } |
1303 | |
1306 | |
1304 | sub AUTOLOAD { |
1307 | sub AUTOLOAD { |
1305 | (my $func = $AUTOLOAD) =~ s/.*://; |
1308 | (my $func = $AUTOLOAD) =~ s/.*://; |
1306 | |
1309 | |
1307 | $method{$func} |
1310 | $method{$func} |
1308 | or Carp::croak "$func: not a valid method for AnyEvent objects"; |
1311 | or Carp::croak "$func: not a valid AnyEvent class method"; |
1309 | |
1312 | |
1310 | detect unless $MODEL; |
1313 | detect; |
1311 | |
1314 | |
1312 | my $class = shift; |
1315 | my $class = shift; |
1313 | $class->$func (@_); |
1316 | $class->$func (@_); |
1314 | } |
1317 | } |
1315 | |
1318 | |
… | |
… | |
1383 | package AnyEvent::Base; |
1386 | package AnyEvent::Base; |
1384 | |
1387 | |
1385 | # default implementations for many methods |
1388 | # default implementations for many methods |
1386 | |
1389 | |
1387 | sub _time() { |
1390 | sub _time() { |
|
|
1391 | eval q{ # poor man's autoloading |
1388 | # probe for availability of Time::HiRes |
1392 | # probe for availability of Time::HiRes |
1389 | if (eval "use Time::HiRes (); Time::HiRes::time (); 1") { |
1393 | if (eval "use Time::HiRes (); Time::HiRes::time (); 1") { |
1390 | warn "AnyEvent: using Time::HiRes for sub-second timing accuracy.\n" if $VERBOSE >= 8; |
1394 | warn "AnyEvent: using Time::HiRes for sub-second timing accuracy.\n" if $VERBOSE >= 8; |
1391 | *_time = \&Time::HiRes::time; |
1395 | *_time = \&Time::HiRes::time; |
1392 | # if (eval "use POSIX (); (POSIX::times())... |
1396 | # if (eval "use POSIX (); (POSIX::times())... |
1393 | } else { |
1397 | } else { |
1394 | warn "AnyEvent: using built-in time(), WARNING, no sub-second resolution!\n" if $VERBOSE; |
1398 | warn "AnyEvent: using built-in time(), WARNING, no sub-second resolution!\n" if $VERBOSE; |
1395 | *_time = sub (){ time }; # epic fail |
1399 | *_time = sub (){ time }; # epic fail |
|
|
1400 | } |
1396 | } |
1401 | }; |
|
|
1402 | die if $@; |
1397 | |
1403 | |
1398 | &_time |
1404 | &_time |
1399 | } |
1405 | } |
1400 | |
1406 | |
1401 | sub time { _time } |
1407 | sub time { _time } |
… | |
… | |
1422 | |
1428 | |
1423 | our ($SIGPIPE_R, $SIGPIPE_W, %SIG_CB, %SIG_EV, $SIG_IO); |
1429 | our ($SIGPIPE_R, $SIGPIPE_W, %SIG_CB, %SIG_EV, $SIG_IO); |
1424 | our (%SIG_ASY, %SIG_ASY_W); |
1430 | our (%SIG_ASY, %SIG_ASY_W); |
1425 | our ($SIG_COUNT, $SIG_TW); |
1431 | our ($SIG_COUNT, $SIG_TW); |
1426 | |
1432 | |
1427 | sub _signal_exec { |
|
|
1428 | $HAVE_ASYNC_INTERRUPT |
|
|
1429 | ? $SIGPIPE_R->drain |
|
|
1430 | : sysread $SIGPIPE_R, (my $dummy), 9; |
|
|
1431 | |
|
|
1432 | while (%SIG_EV) { |
|
|
1433 | for (keys %SIG_EV) { |
|
|
1434 | delete $SIG_EV{$_}; |
|
|
1435 | $_->() for values %{ $SIG_CB{$_} || {} }; |
|
|
1436 | } |
|
|
1437 | } |
|
|
1438 | } |
|
|
1439 | |
|
|
1440 | # install a dummy wakeup watcher to reduce signal catching latency |
1433 | # install a dummy wakeup watcher to reduce signal catching latency |
|
|
1434 | # used by Impls |
1441 | sub _sig_add() { |
1435 | sub _sig_add() { |
1442 | unless ($SIG_COUNT++) { |
1436 | unless ($SIG_COUNT++) { |
1443 | # try to align timer on a full-second boundary, if possible |
1437 | # try to align timer on a full-second boundary, if possible |
1444 | my $NOW = AE::now; |
1438 | my $NOW = AE::now; |
1445 | |
1439 | |
… | |
… | |
1576 | # print weird messages, or just unconditionally exit |
1570 | # print weird messages, or just unconditionally exit |
1577 | # instead of getting the default action. |
1571 | # instead of getting the default action. |
1578 | undef $SIG{$signal} |
1572 | undef $SIG{$signal} |
1579 | unless keys %{ $SIG_CB{$signal} }; |
1573 | unless keys %{ $SIG_CB{$signal} }; |
1580 | }; |
1574 | }; |
|
|
1575 | |
|
|
1576 | *_signal_exec = sub { |
|
|
1577 | $HAVE_ASYNC_INTERRUPT |
|
|
1578 | ? $SIGPIPE_R->drain |
|
|
1579 | : sysread $SIGPIPE_R, (my $dummy), 9; |
|
|
1580 | |
|
|
1581 | while (%SIG_EV) { |
|
|
1582 | for (keys %SIG_EV) { |
|
|
1583 | delete $SIG_EV{$_}; |
|
|
1584 | $_->() for values %{ $SIG_CB{$_} || {} }; |
|
|
1585 | } |
|
|
1586 | } |
|
|
1587 | }; |
1581 | }; |
1588 | }; |
1582 | die if $@; |
1589 | die if $@; |
|
|
1590 | |
1583 | &signal |
1591 | &signal |
1584 | } |
1592 | } |
1585 | |
1593 | |
1586 | # default implementation for ->child |
1594 | # default implementation for ->child |
1587 | |
1595 | |
1588 | our %PID_CB; |
1596 | our %PID_CB; |
1589 | our $CHLD_W; |
1597 | our $CHLD_W; |
1590 | our $CHLD_DELAY_W; |
1598 | our $CHLD_DELAY_W; |
1591 | our $WNOHANG; |
1599 | our $WNOHANG; |
1592 | |
1600 | |
|
|
1601 | # used by many Impl's |
1593 | sub _emit_childstatus($$) { |
1602 | sub _emit_childstatus($$) { |
1594 | my (undef, $rpid, $rstatus) = @_; |
1603 | my (undef, $rpid, $rstatus) = @_; |
1595 | |
1604 | |
1596 | $_->($rpid, $rstatus) |
1605 | $_->($rpid, $rstatus) |
1597 | for values %{ $PID_CB{$rpid} || {} }, |
1606 | for values %{ $PID_CB{$rpid} || {} }, |
1598 | values %{ $PID_CB{0} || {} }; |
1607 | values %{ $PID_CB{0} || {} }; |
1599 | } |
1608 | } |
1600 | |
1609 | |
1601 | sub _sigchld { |
|
|
1602 | my $pid; |
|
|
1603 | |
|
|
1604 | AnyEvent->_emit_childstatus ($pid, $?) |
|
|
1605 | while ($pid = waitpid -1, $WNOHANG) > 0; |
|
|
1606 | } |
|
|
1607 | |
|
|
1608 | sub child { |
1610 | sub child { |
|
|
1611 | eval q{ # poor man's autoloading {} |
|
|
1612 | *_sigchld = sub { |
|
|
1613 | my $pid; |
|
|
1614 | |
|
|
1615 | AnyEvent->_emit_childstatus ($pid, $?) |
|
|
1616 | while ($pid = waitpid -1, $WNOHANG) > 0; |
|
|
1617 | }; |
|
|
1618 | |
|
|
1619 | *child = sub { |
1609 | my (undef, %arg) = @_; |
1620 | my (undef, %arg) = @_; |
1610 | |
1621 | |
1611 | defined (my $pid = $arg{pid} + 0) |
1622 | defined (my $pid = $arg{pid} + 0) |
1612 | or Carp::croak "required option 'pid' is missing"; |
1623 | or Carp::croak "required option 'pid' is missing"; |
1613 | |
1624 | |
1614 | $PID_CB{$pid}{$arg{cb}} = $arg{cb}; |
1625 | $PID_CB{$pid}{$arg{cb}} = $arg{cb}; |
1615 | |
1626 | |
1616 | # WNOHANG is almost cetrainly 1 everywhere |
1627 | # WNOHANG is almost cetrainly 1 everywhere |
1617 | $WNOHANG ||= $^O =~ /^(?:openbsd|netbsd|linux|freebsd|cygwin|MSWin32)$/ |
1628 | $WNOHANG ||= $^O =~ /^(?:openbsd|netbsd|linux|freebsd|cygwin|MSWin32)$/ |
1618 | ? 1 |
1629 | ? 1 |
1619 | : eval { local $SIG{__DIE__}; require POSIX; &POSIX::WNOHANG } || 1; |
1630 | : eval { local $SIG{__DIE__}; require POSIX; &POSIX::WNOHANG } || 1; |
1620 | |
1631 | |
1621 | unless ($CHLD_W) { |
1632 | unless ($CHLD_W) { |
1622 | $CHLD_W = AE::signal CHLD => \&_sigchld; |
1633 | $CHLD_W = AE::signal CHLD => \&_sigchld; |
1623 | # child could be a zombie already, so make at least one round |
1634 | # child could be a zombie already, so make at least one round |
1624 | &_sigchld; |
1635 | &_sigchld; |
1625 | } |
1636 | } |
1626 | |
1637 | |
1627 | bless [$pid, $arg{cb}], "AnyEvent::Base::child" |
1638 | bless [$pid, $arg{cb}], "AnyEvent::Base::child" |
1628 | } |
1639 | }; |
1629 | |
1640 | |
1630 | sub AnyEvent::Base::child::DESTROY { |
1641 | *AnyEvent::Base::child::DESTROY = sub { |
1631 | my ($pid, $cb) = @{$_[0]}; |
1642 | my ($pid, $cb) = @{$_[0]}; |
1632 | |
1643 | |
1633 | delete $PID_CB{$pid}{$cb}; |
1644 | delete $PID_CB{$pid}{$cb}; |
1634 | delete $PID_CB{$pid} unless keys %{ $PID_CB{$pid} }; |
1645 | delete $PID_CB{$pid} unless keys %{ $PID_CB{$pid} }; |
1635 | |
1646 | |
1636 | undef $CHLD_W unless keys %PID_CB; |
1647 | undef $CHLD_W unless keys %PID_CB; |
|
|
1648 | }; |
|
|
1649 | }; |
|
|
1650 | die if $@; |
|
|
1651 | |
|
|
1652 | &child |
1637 | } |
1653 | } |
1638 | |
1654 | |
1639 | # idle emulation is done by simply using a timer, regardless |
1655 | # idle emulation is done by simply using a timer, regardless |
1640 | # of whether the process is idle or not, and not letting |
1656 | # of whether the process is idle or not, and not letting |
1641 | # the callback use more than 50% of the time. |
1657 | # the callback use more than 50% of the time. |
1642 | sub idle { |
1658 | sub idle { |
|
|
1659 | eval q{ # poor man's autoloading {} |
|
|
1660 | *idle = sub { |
1643 | my (undef, %arg) = @_; |
1661 | my (undef, %arg) = @_; |
1644 | |
1662 | |
1645 | my ($cb, $w, $rcb) = $arg{cb}; |
1663 | my ($cb, $w, $rcb) = $arg{cb}; |
1646 | |
1664 | |
1647 | $rcb = sub { |
1665 | $rcb = sub { |
1648 | if ($cb) { |
1666 | if ($cb) { |
1649 | $w = _time; |
1667 | $w = _time; |
1650 | &$cb; |
1668 | &$cb; |
1651 | $w = _time - $w; |
1669 | $w = _time - $w; |
1652 | |
1670 | |
1653 | # never use more then 50% of the time for the idle watcher, |
1671 | # never use more then 50% of the time for the idle watcher, |
1654 | # within some limits |
1672 | # within some limits |
1655 | $w = 0.0001 if $w < 0.0001; |
1673 | $w = 0.0001 if $w < 0.0001; |
1656 | $w = 5 if $w > 5; |
1674 | $w = 5 if $w > 5; |
1657 | |
1675 | |
1658 | $w = AE::timer $w, 0, $rcb; |
1676 | $w = AE::timer $w, 0, $rcb; |
1659 | } else { |
1677 | } else { |
1660 | # clean up... |
1678 | # clean up... |
1661 | undef $w; |
1679 | undef $w; |
1662 | undef $rcb; |
1680 | undef $rcb; |
|
|
1681 | } |
|
|
1682 | }; |
|
|
1683 | |
|
|
1684 | $w = AE::timer 0.05, 0, $rcb; |
|
|
1685 | |
|
|
1686 | bless \\$cb, "AnyEvent::Base::idle" |
1663 | } |
1687 | }; |
|
|
1688 | |
|
|
1689 | *AnyEvent::Base::idle::DESTROY = sub { |
|
|
1690 | undef $${$_[0]}; |
|
|
1691 | }; |
1664 | }; |
1692 | }; |
|
|
1693 | die if $@; |
1665 | |
1694 | |
1666 | $w = AE::timer 0.05, 0, $rcb; |
1695 | &idle |
1667 | |
|
|
1668 | bless \\$cb, "AnyEvent::Base::idle" |
|
|
1669 | } |
|
|
1670 | |
|
|
1671 | sub AnyEvent::Base::idle::DESTROY { |
|
|
1672 | undef $${$_[0]}; |
|
|
1673 | } |
1696 | } |
1674 | |
1697 | |
1675 | package AnyEvent::CondVar; |
1698 | package AnyEvent::CondVar; |
1676 | |
1699 | |
1677 | our @ISA = AnyEvent::CondVar::Base::; |
1700 | our @ISA = AnyEvent::CondVar::Base::; |