t / t5562 / invoke-with-content-length.plon commit general improvements (43abf13)
   1use 5.008;
   2use strict;
   3use warnings;
   4
   5my $body_filename = $ARGV[0];
   6my @command = @ARGV[1 .. $#ARGV];
   7
   8# read data
   9my $body_size = -s $body_filename;
  10$ENV{"CONTENT_LENGTH"} = $body_size;
  11open(my $body_fh, "<", $body_filename) or die "Cannot open $body_filename: $!";
  12my $body_data;
  13defined read($body_fh, $body_data, $body_size) or die "Cannot read $body_filename: $!";
  14close($body_fh);
  15
  16my $exited = 0;
  17$SIG{"CHLD"} = sub {
  18        $exited = 1;
  19};
  20
  21# write data
  22my $pid = open(my $out, "|-", @command);
  23{
  24        # disable buffering at $out
  25        my $old_selected = select;
  26        select $out;
  27        $| = 1;
  28        select $old_selected;
  29}
  30print $out $body_data or die "Cannot write data: $!";
  31
  32sleep 60; # is interrupted by SIGCHLD
  33if (!$exited) {
  34        close($out);
  35        die "Command did not exit after reading whole body";
  36}