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') {
36 my @incpath = (split(/\s+/, $Config{usrinc}), split(/\s+/ ,$Config{locincpth}));
41 my($file,$level) = @_;
43 return unless defined $file;
47 foreach $dir (@incpath) {
48 my $tmp = $dir . "/" . $file;
54 return if exists $done{$path};
57 if(not defined $path and $level == 0) {
58 warn "Cannot find '$file'";
63 open(F,$path) or return;
64 $level = 1 unless defined $level;
65 my $indent = " " x $level;
66 print "#$indent open $path\n";
70 if ( /^#\s*include\s*[<"]([^>"]+)[>"]/ ) {
71 print "#${indent} include $1\n";
72 process_file($1,$level+1);
73 print "#${indent} done include $1\n";
74 print "#${indent} back in $path\n";
79 if ( /^#\s*define\s+(\w+)\s+(\w+)/ ) {
80 print "#${indent} define $1 $2\n";
85 print "#$indent close $path\n";
88 process_file("sys/sem.h");
89 process_file("sys/ipc.h");
90 process_file("sys/stat.h");
92 foreach my $d (@define) {
93 while(defined($define{$d}) && $define{$d} !~ /^(0x)?\d+$/) {
94 $define{$d} = exists $define{$define{$d}}
95 ? $define{$define{$d}} : undef;
97 unless(defined $define{$d}) {
98 print "# $d undefined\n";
104 ${ $d } = eval $define{$d};
113 my $msg = msgget($IPC_PRIVATE, $S_IRWXU | $S_IRWXG | $S_IRWXO);
114 # Very first time called after machine is booted value may be 0
115 die "msgget failed: $!\n" unless defined($msg) && $msg >= 0;
119 #Putting a message on the queue
121 my $msgtext = "hello";
123 msgsnd($msg,pack("L a*",$msgtype,$msgtext),0) or print "not ";
127 msgctl($msg,$IPC_STAT,$data) or print "not ";
130 print "not " unless length($data);
134 msgrcv($msg,$msgbuf,256,0,$IPC_NOWAIT) or print "not ";
137 my($rmsgtype,$rmsgtext) = unpack("L a*",$msgbuf);
139 print "not " unless($rmsgtype == $msgtype && $rmsgtext eq $msgtext);
142 msgctl($msg,$IPC_RMID,0);