23 use vars map { '$' . $_ } @define;
26 unless($Config{'d_msgget'} eq 'define' &&
27 $Config{'d_msgctl'} eq 'define' &&
28 $Config{'d_msgsnd'} eq 'define' &&
29 $Config{'d_msgrcv'} eq 'define') {
33 my @incpath = (split(/\s+/, $Config{usrinc}), split(/\s+/ ,$Config{locincpth}));
40 return unless defined $file;
44 foreach $dir (@incpath) {
45 my $tmp = $dir . "/" . $file;
51 return if exists $done{$path};
54 unless(defined $path) {
55 warn "Cannot find '$file'";
59 open(F,$path) or return;
64 if /^#\s*include\s*[<"]([^>"]+)[>"]/;
69 if /^#\s*define\s+(\w+)\s+((0x)?\d+|\w+)/;
74 process_file("sys/sem.h");
75 process_file("sys/ipc.h");
76 process_file("sys/stat.h");
78 foreach $d (@define) {
79 while(defined($define{$d}) && $define{$d} !~ /^(0x)?\d+$/) {
80 $define{$d} = exists $define{$define{$d}}
81 ? $define{$define{$d}} : undef;
83 unless(defined $define{$d}) {
87 ${ $d } = eval $define{$d};
95 my $msg = msgget($IPC_PRIVATE, $S_IRWXU | $S_IRWXG | $S_IRWXO)
96 || die "msgget failed: $!\n";
100 #Putting a message on the queue
102 my $msgtext = "hello";
104 msgsnd($msg,pack("L a*",$msgtype,$msgtext),0) or print "not ";
108 msgctl($msg,$IPC_STAT,$data) or print "not ";
111 print "not " unless length($data);
115 msgrcv($msg,$msgbuf,256,0,$IPC_NOWAIT) or print "not ";
118 my($rmsgtype,$rmsgtext) = unpack("L a*",$msgbuf);
120 print "not " unless($rmsgtype == $msgtype && $rmsgtext eq $msgtext);
123 msgctl($msg,$IPC_RMID,0);