| 1 |
BEGIN { $| = 1; print "1..7\n"; } |
| 2 |
|
| 3 |
use Socket; |
| 4 |
use IO::FDPass; |
| 5 |
|
| 6 |
print "ok 1\n"; |
| 7 |
|
| 8 |
socketpair my $fh1, my $fh2, AF_UNIX, SOCK_STREAM, 0 |
| 9 |
or die "socketpair: $!"; |
| 10 |
|
| 11 |
socketpair my $fh3, my $fh4, AF_UNIX, SOCK_STREAM, 0 |
| 12 |
or die "socketpair: $!"; |
| 13 |
|
| 14 |
print "ok 2\n"; |
| 15 |
|
| 16 |
my $pid = fork; |
| 17 |
|
| 18 |
defined $pid |
| 19 |
or die "fork: $!"; |
| 20 |
|
| 21 |
unless ($pid) { |
| 22 |
close $fh3; |
| 23 |
|
| 24 |
my $fd = IO::FDPass::recv fileno $fh2; |
| 25 |
|
| 26 |
print $fd > 0 ? "" : "not ", "ok 4 # $fd\n"; |
| 27 |
|
| 28 |
open my $fh, "+<&=$fd" |
| 29 |
or die "open(fd) failed: $!"; |
| 30 |
|
| 31 |
sysread $fh, my $buf, 1 |
| 32 |
or die "sysread(child) failed: $!"; |
| 33 |
|
| 34 |
print $buf eq "4" ? "" : "not ", "ok 5 # $buf\n"; |
| 35 |
|
| 36 |
syswrite $fh, "3", 1 |
| 37 |
or die "syswrite(child) failed: $!"; |
| 38 |
|
| 39 |
exit; |
| 40 |
} |
| 41 |
|
| 42 |
print "ok 3\n"; |
| 43 |
|
| 44 |
IO::FDPass::send fileno $fh1, fileno $fh4 |
| 45 |
or die "send failed: $!"; |
| 46 |
|
| 47 |
close $fh4; |
| 48 |
|
| 49 |
syswrite $fh3, "4", 1 |
| 50 |
or die "syswrite(parent) failed: $!"; |
| 51 |
|
| 52 |
sysread $fh3, my $buf, 1 |
| 53 |
or die "sysread(parent) failed: $!"; |
| 54 |
|
| 55 |
print $buf eq "3" ? "" : "not ", "ok 6 # $buf\n"; |
| 56 |
|
| 57 |
print "ok 7\n"; |
| 58 |
|
