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|
#!./perl
BEGIN {
unless(grep /blib/, @INC) {
chdir 't' if -d 't';
@INC = '../lib';
}
}
use Config;
BEGIN {
if(-d "lib" && -f "TEST") {
my $reason;
if (! $Config{'d_fork'}) {
$reason = 'no fork';
}
elsif ($Config{'extensions'} !~ /\bIO\b/) {
$reason = 'IO extension unavailable';
}
undef $reason if $^O eq 'VMS';
if ($reason) {
print "1..0 # Skip: $reason\n";
exit 0;
}
}
}
use IO::Pipe;
my $perl = './perl';
$| = 1;
print "1..10\n";
$pipe = new IO::Pipe->reader($perl, '-e', 'print "not ok 1\n"');
while (<$pipe>) {
s/^not //;
print;
}
$pipe->close or print "# \$!=$!\nnot ";
print "ok 2\n";
$cmd = 'BEGIN{$SIG{ALRM} = sub {print "not ok 4\n"; exit}; alarm 10} s/not //';
$pipe = new IO::Pipe->writer($perl, '-pe', $cmd);
print $pipe "not ok 3\n" ;
$pipe->close or print "# \$!=$!\nnot ";
print "ok 4\n";
# Check if can fork with dynamic extensions (bug in CRT):
if ($^O eq 'os2' and
system "$^X -I../lib -MOpcode -e 'defined fork or die' > /dev/null 2>&1") {
print "ok $_ # skipped: broken fork\n" for 5..10;
exit 0;
}
$pipe = new IO::Pipe;
$pid = fork();
if($pid)
{
$pipe->writer;
print $pipe "Xk 5\n";
print $pipe "oY 6\n";
$pipe->close;
wait;
}
elsif(defined $pid)
{
$pipe->reader;
$stdin = bless \*STDIN, "IO::Handle";
$stdin->fdopen($pipe,"r");
exec 'tr', 'YX', 'ko';
}
else
{
die "# error = $!";
}
$pipe = new IO::Pipe;
$pid = fork();
if($pid)
{
$pipe->reader;
while(<$pipe>) {
s/^not //;
print;
}
$pipe->close;
wait;
}
elsif(defined $pid)
{
$pipe->writer;
$stdout = bless \*STDOUT, "IO::Handle";
$stdout->fdopen($pipe,"w");
print STDOUT "not ok 7\n";
exec 'echo', 'not ok 8';
}
else
{
die;
}
$pipe = new IO::Pipe;
$pipe->writer;
$SIG{'PIPE'} = 'broken_pipe';
sub broken_pipe {
print "ok 9\n";
}
print $pipe "not ok 9\n";
$pipe->close;
sleep 1;
print "ok 10\n";
|
