6 require Config; import Config;
8 # open2/3 supported on win32 (but not Borland due to CRT bugs)
9 && (($^O ne 'MSWin32' && $^O ne 'NetWare') || $Config{'cc'} =~ /^bcc/i))
15 $SIG{__WARN__} = sub { die @_ };
21 #require 'open3.pl'; use subs 'open3';
26 my ($n, $result, $info) = @_;
32 print "# $info\n" if $info;
37 if ($^O eq 'MSWin32' || $^O eq 'NetWare') {
48 my ($pid, $reaped_pid);
55 ok 1, $pid = open3 'WRITE', 'READ', 'ERROR', $perl, '-e', cmd_line(<<'EOF');
58 print STDERR "hi error\n";
60 ok 2, print WRITE "hi kid\n";
61 ok 3, <READ> =~ /^hi kid\r?\n$/;
62 ok 4, <ERROR> =~ /^hi error\r?\n$/;
63 ok 5, close(WRITE), $!;
64 ok 6, close(READ), $!;
65 ok 7, close(ERROR), $!;
66 $reaped_pid = waitpid $pid, 0;
67 ok 8, $reaped_pid == $pid, $reaped_pid;
70 # read and error together, both named
71 $pid = open3 'WRITE', 'READ', 'READ', $perl, '-e', cmd_line(<<'EOF');
74 print STDERR scalar <STDIN>;
76 print WRITE "ok 10\n";
78 print WRITE "ok 11\n";
82 # read and error together, error empty
83 $pid = open3 'WRITE', 'READ', '', $perl, '-e', cmd_line(<<'EOF');
86 print STDERR scalar <STDIN>;
88 print WRITE "ok 12\n";
90 print WRITE "ok 13\n";
95 ok 14, pipe PIPE_READ, PIPE_WRITE;
96 $pid = open3 '<&PIPE_READ', 'READ', '',
97 $perl, '-e', cmd_line('print scalar <STDIN>');
99 print PIPE_WRITE "ok 15\n";
105 $pid = open3 'WRITE', '>&STDOUT', 'ERROR',
106 $perl, '-e', cmd_line('print scalar <STDIN>');
107 print WRITE "ok 16\n";
110 # dup error: This particular case, duping stderr onto the existing
111 # stdout but putting stdout somewhere else, is a good case because it
113 $pid = open3 'WRITE', 'READ', '>&STDOUT',
114 $perl, '-e', cmd_line('print STDERR scalar <STDIN>');
115 print WRITE "ok 17\n";
118 # dup reader and error together, both named
119 $pid = open3 'WRITE', '>&STDOUT', '>&STDOUT', $perl, '-e', cmd_line(<<'EOF');
121 print STDOUT scalar <STDIN>;
122 print STDERR scalar <STDIN>;
124 print WRITE "ok 18\n";
125 print WRITE "ok 19\n";
128 # dup reader and error together, error empty
129 $pid = open3 'WRITE', '>&STDOUT', '', $perl, '-e', cmd_line(<<'EOF');
131 print STDOUT scalar <STDIN>;
132 print STDERR scalar <STDIN>;
134 print WRITE "ok 20\n";
135 print WRITE "ok 21\n";
138 # command line in single parameter variant of open3
139 # for understanding of Config{'sh'} test see exec description in camel book
140 my $cmd = 'print(scalar(<STDIN>))';
141 $cmd = $Config{'sh'} =~ /sh/ ? "'$cmd'" : cmd_line($cmd);
142 eval{$pid = open3 'WRITE', '>&STDOUT', 'ERROR', "$perl -e " . $cmd; };
148 print WRITE "ok 22\n";