6 require Config; import Config;
7 unless ($Config{'d_fork'}) {
12 $SIG{__WARN__} = sub { die @_ };
18 #require 'open3.pl'; use subs 'open3';
23 my ($n, $result, $info) = @_;
29 print "# $info\n" if $info;
33 my ($pid, $reaped_pid);
40 ok 1, $pid = open3 'WRITE', 'READ', 'ERROR', $perl, '-e', <<'EOF';
43 print STDERR "hi error\n";
45 ok 2, print WRITE "hi kid\n";
46 ok 3, <READ> eq "hi kid\n";
47 ok 4, <ERROR> eq "hi error\n";
48 ok 5, close(WRITE), $!;
49 ok 6, close(READ), $!;
50 ok 7, close(ERROR), $!;
51 $reaped_pid = waitpid $pid, 0;
52 ok 8, $reaped_pid == $pid, $reaped_pid;
55 # read and error together, both named
56 $pid = open3 'WRITE', 'READ', 'READ', $perl, '-e', <<'EOF';
59 print STDERR scalar <STDIN>;
61 print WRITE "ok 10\n";
63 print WRITE "ok 11\n";
67 # read and error together, error empty
68 $pid = open3 'WRITE', 'READ', '', $perl, '-e', <<'EOF';
71 print STDERR scalar <STDIN>;
73 print WRITE "ok 12\n";
75 print WRITE "ok 13\n";
80 ok 14, pipe PIPE_READ, PIPE_WRITE;
81 $pid = open3 '<&PIPE_READ', 'READ', '',
82 $perl, '-e', 'print scalar <STDIN>';
84 print PIPE_WRITE "ok 15\n";
90 $pid = open3 'WRITE', '>&STDOUT', 'ERROR',
91 $perl, '-e', 'print scalar <STDIN>';
92 print WRITE "ok 16\n";
95 # dup error: This particular case, duping stderr onto the existing
96 # stdout but putting stdout somewhere else, is a good case because it
98 $pid = open3 'WRITE', 'READ', '>&STDOUT',
99 $perl, '-e', 'print STDERR scalar <STDIN>';
100 print WRITE "ok 17\n";
103 # dup reader and error together, both named
104 $pid = open3 'WRITE', '>&STDOUT', '>&STDOUT', $perl, '-e', <<'EOF';
106 print STDOUT scalar <STDIN>;
107 print STDERR scalar <STDIN>;
109 print WRITE "ok 18\n";
110 print WRITE "ok 19\n";
113 # dup reader and error together, error empty
114 $pid = open3 'WRITE', '>&STDOUT', '', $perl, '-e', <<'EOF';
116 print STDOUT scalar <STDIN>;
117 print STDERR scalar <STDIN>;
119 print WRITE "ok 20\n";
120 print WRITE "ok 21\n";