diff options
Diffstat (limited to 'feature-tests/pipes.pl')
-rw-r--r-- | feature-tests/pipes.pl | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/feature-tests/pipes.pl b/feature-tests/pipes.pl new file mode 100644 index 0000000..50bff53 --- /dev/null +++ b/feature-tests/pipes.pl @@ -0,0 +1,87 @@ +use strict; +use warnings; + +use Irssi; +use POSIX; +use Time::HiRes qw/sleep/; + +my $forked = 0; + +sub pipe_and_fork { + my ($read_handle, $write_handle); + + pipe($read_handle, $write_handle); + + my $oldfh = select($write_handle); + $| = 1; + select $oldfh; + + return if $forked; + + my $pid = fork(); + + if (not defined $pid) { + _error("Can't fork: Aborting"); + close($read_handle); + close($write_handle); + return; + } + + $forked = 1; + + if ($pid > 0) { # this is the parent (Irssi) + close ($write_handle); + Irssi::pidwait_add($pid); + my $job = $pid; + my $tag; + my @args = ($read_handle, \$tag, $job); + $tag = Irssi::input_add(fileno($read_handle), + Irssi::INPUT_READ, + \&child_input, + \@args); + + } else { # child + # make up some data - block if we like. + for (1..10) { + sleep rand 1; + print $write_handle "Some data: $_\n"; + } + print $write_handle "__DONE__\n"; + close $write_handle; + + POSIX::_exit(1); + } +} + +sub child_input { + my $args = shift; + my ($read_handle, $input_tag_ref, $job) = @$args; + + my $data = <$read_handle>; + + if ($data =~ m/__DONE__/) { + close($read_handle); + Irssi::input_remove($$input_tag_ref); + _msg("child finished"); + + $forked = 0; + + } else { + _msg("Received from child: $data"); + } + +} + +sub _error { + my ($msg) = @_; + my $win = Irssi::active_win(); + $win->print($msg, Irssi::MSGLEVEL_CLIENTERROR); +} + +sub _msg { + my ($msg) = @_; + my $win = Irssi::active_win(); + $win->print($msg, Irssi::MSGLEVEL_CLIENTCRAP); +} + +Irssi::command_bind("start_pipes", \&pipe_and_fork); |