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root |
1.1 |
package AnyEvent::Fork::RPC::Sync; |
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use common::sense; # actually required to avoid spurious warnings... |
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our ($master, $f, $t); |
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sub main::test {#d# |
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(@_, 5) |
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} |
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sub xwrite($) { |
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my $got = syswrite $master, $_[0]; |
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while ($got < length $_[0]) { |
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my $len = syswrite $master, $_[0], 1<<30, $got; |
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defined $len |
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or die "AnyEvent::Fork::RPC::Sync: write error ($!), parent gone?"; |
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$got += $len; |
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} |
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} |
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root |
1.2 |
sub rlen($) { ($_[0] < 384 ? 512 + 16 : 2 << int +(log $_[0] + 512) / log 2) - $_[0] - 16 } |
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root |
1.1 |
# the goal here is to keep this simple, small and efficient |
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sub run { |
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$master = shift; |
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my ($function, $init, $serialiser) = splice @_, -3, 3,; |
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{ |
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package main; |
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&$init if length $init; |
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$function = \&$function; # resolve function early for extra speed |
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} |
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($f, $t) = eval $serialiser; die $@ if $@; |
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my $rbuf; |
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root |
1.2 |
# the read length here is not optimal, but since we re-use $rbuf, |
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# its allocated size should eventually auto-adjust. |
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while (sysread $master, $rbuf, rlen length $rbuf, length $rbuf) { |
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while () { |
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last if 5 > length $rbuf; |
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my $len = unpack "L", $rbuf; |
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last if 4 + $len > length $rbuf; |
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my @r = $t->(substr $rbuf, 4, $len); |
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substr $rbuf, 0, 4 + $len, ""; |
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root |
1.1 |
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root |
1.2 |
xwrite pack "L/a*", $f->($function->(@r), ""); |
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} |
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root |
1.1 |
} |
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shutdown $master, 1; |
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} |
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sub AnyEvent::Fork::RPC::event { |
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xwrite pack "L/a*", $f->(@_, 1); |
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} |
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1 |
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