# a tied handle for auto reaping of children tied to a pipe, see perltie(1)
package PublicInbox::ProcessPipe;
use strict;
-use warnings;
+use v5.10.1;
sub TIEHANDLE {
- my ($class, $pid, $fh) = @_;
- bless { pid => $pid, fh => $fh }, $class;
+ my ($class, $pid, $fh, $cb, $arg) = @_;
+ bless { pid => $pid, fh => $fh, cb => $cb, arg => $arg }, $class;
}
sub READ { read($_[0]->{fh}, $_[1], $_[2], $_[3] || 0) }
sub READLINE { readline($_[0]->{fh}) }
+sub WRITE {
+ use bytes qw(length);
+ syswrite($_[0]->{fh}, $_[1], $_[2] // length($_[1]), $_[3] // 0);
+}
+
+sub PRINT {
+ my $self = shift;
+ print { $self->{fh} } @_;
+}
+
sub CLOSE {
my $fh = delete($_[0]->{fh});
my $ret = defined $fh ? close($fh) : '';
- my $pid = delete $_[0]->{pid};
+ my ($pid, $cb, $arg) = delete @{$_[0]}{qw(pid cb arg)};
if (defined $pid) {
# PublicInbox::DS may not be loaded
- eval { PublicInbox::DS::dwaitpid($pid, undef, undef) };
+ eval { PublicInbox::DS::dwaitpid($pid, $cb, $arg) };
if ($@) { # ok, not in the event loop, work synchronously
waitpid($pid, 0);
$ret = '' if $?;
+ $cb->($arg, $pid) if $cb;
}
}
$ret;