1#!./perl
2
3my $perl;
4
5BEGIN {
6    unless(grep /blib/, @INC) {
7	$perl = './perl';
8	chdir 't' if -d 't';
9	@INC = '../lib';
10    }
11    else {
12	$perl = $^X;
13    }
14}
15
16use Config;
17
18BEGIN {
19    if(-d "lib" && -f "TEST") {
20	my $reason;
21	if (! $Config{'d_fork'}) {
22	    $reason = 'no fork';
23	}
24	elsif ($Config{'extensions'} !~ /\bIO\b/) {
25	    $reason = 'IO extension unavailable';
26	}
27	if ($reason) {
28	    print "1..0 # Skip: $reason\n";
29	    exit 0;
30        }
31    }
32}
33
34use IO::Pipe;
35
36
37$| = 1;
38print "1..10\n";
39
40$pipe = new IO::Pipe->reader($perl, '-e', 'print "not ok 1\n"');
41while (<$pipe>) {
42  s/^not //;
43  print;
44}
45$pipe->close or print "# \$!=$!\nnot ";
46print "ok 2\n";
47
48$cmd = 'BEGIN{$SIG{ALRM} = sub {print "not ok 4\n"; exit}; alarm 10} s/not //';
49$pipe = new IO::Pipe->writer($perl, '-pe', $cmd);
50print $pipe "not ok 3\n" ;
51$pipe->close or print "# \$!=$!\nnot ";
52print "ok 4\n";
53
54# Check if can fork with dynamic extensions (bug in CRT):
55if ($^O eq 'os2' and
56    system "$^X -I../lib -MOpcode -e 'defined fork or die'  > /dev/null 2>&1") {
57    print "ok $_ # skipped: broken fork\n" for 5..10;
58    exit 0;
59}
60
61$pipe = new IO::Pipe;
62
63$pid = fork();
64
65if($pid)
66 {
67  $pipe->writer;
68  print $pipe "Xk 5\n";
69  print $pipe "oY 6\n";
70  $pipe->close;
71  wait;
72 }
73elsif(defined $pid)
74 {
75  $pipe->reader;
76  $stdin = bless \*STDIN, "IO::Handle";
77  $stdin->fdopen($pipe,"r");
78  exec 'tr', 'YX', 'ko';
79 }
80else
81 {
82  die "# error = $!";
83 }
84
85$pipe = new IO::Pipe;
86$pid = fork();
87
88if($pid)
89 {
90  $pipe->reader;
91  while(<$pipe>) {
92      s/^not //;
93      print;
94  }
95  $pipe->close;
96  wait;
97 }
98elsif(defined $pid)
99 {
100  $pipe->writer;
101
102  $stdout = bless \*STDOUT, "IO::Handle";
103  $stdout->fdopen($pipe,"w");
104  print STDOUT "not ok 7\n";
105  exec 'echo', 'not ok 8';
106 }
107else
108 {
109  die;
110 }
111
112$pipe = new IO::Pipe;
113$pipe->writer;
114
115$SIG{'PIPE'} = 'broken_pipe';
116
117sub broken_pipe {
118    print "ok 9\n";
119}
120
121print $pipe "not ok 9\n";
122$pipe->close;
123
124sleep 1;
125
126print "ok 10\n";
127
128