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|
#!./perl
BEGIN {
chdir 't' if -d 't';
unshift @INC, '../lib';
require Config; import Config;
unless ($Config{'d_msg'} eq 'define' &&
$Config{'d_sem'} eq 'define') {
print "1..0\n";
exit;
}
}
# These constants are common to all tests.
# Later the sem* tests will import more for themselves.
use IPC::SysV qw(IPC_PRIVATE IPC_NOWAIT IPC_STAT IPC_RMID
S_IRWXU S_IRWXG S_IRWXO S_IWGRP S_IROTH S_IWOTH);
use strict;
print "1..16\n";
my $msg;
my $sem;
$SIG{__DIE__} = 'cleanup'; # will cleanup $msg and $sem if needed
# FreeBSD is known to throw this if there's no SysV IPC in the kernel.
$SIG{SYS} = sub {
print STDERR <<EOM;
SIGSYS caught.
It may be that your kernel does not have SysV IPC configured.
EOM
if ($^O eq 'freebsd') {
print STDERR <<EOM;
You must have following options in your kernel:
options SYSVSHM
options SYSVSEM
options SYSVMSG
See config(8).
EOM
}
exit(1);
};
my $perm;
$perm = S_IRWXU | S_IRWXG | S_IRWXO | S_IWGRP | S_IROTH | S_IWOTH
if $^O eq 'vmesa';
$perm = S_IRWXU | S_IRWXG | S_IRWXO unless defined $perm;
if ($Config{'d_msgget'} eq 'define' &&
$Config{'d_msgctl'} eq 'define' &&
$Config{'d_msgsnd'} eq 'define' &&
$Config{'d_msgrcv'} eq 'define') {
$msg = msgget(IPC_PRIVATE, $perm);
# Very first time called after machine is booted value may be 0
die "msgget failed: $!\n" unless defined($msg) && $msg >= 0;
print "ok 1\n";
#Putting a message on the queue
my $msgtype = 1;
my $msgtext = "hello";
msgsnd($msg,pack("L a*",$msgtype,$msgtext),0) or print "not ";
print "ok 2\n";
my $data;
msgctl($msg,IPC_STAT,$data) or print "not ";
print "ok 3\n";
print "not " unless length($data);
print "ok 4\n";
my $msgbuf;
msgrcv($msg,$msgbuf,256,0,IPC_NOWAIT) or print "not ";
print "ok 5\n";
my($rmsgtype,$rmsgtext) = unpack("L a*",$msgbuf);
print "not " unless($rmsgtype == $msgtype && $rmsgtext eq $msgtext);
print "ok 6\n";
} else {
for (1..6) {
print "ok $_\n"; # fake it
}
}
if($Config{'d_semget'} eq 'define' &&
$Config{'d_semctl'} eq 'define') {
use IPC::SysV qw(IPC_CREAT GETALL SETALL);
$sem = semget(IPC_PRIVATE, 10, $perm | IPC_CREAT);
# Very first time called after machine is booted value may be 0
die "semget: $!\n" unless defined($sem) && $sem >= 0;
print "ok 7\n";
my $data;
semctl($sem,0,IPC_STAT,$data) or print "not ";
print "ok 8\n";
print "not " unless length($data);
print "ok 9\n";
my $template;
# Find the pack/unpack template capable of handling native C shorts.
if ($Config{shortsize} == 2) {
$template = "s";
} elsif ($Config{shortsize} == 4) {
$template = "l";
} elsif ($Config{shortsize} == 8) {
# Try quad last because not supported everywhere.
foreach my $t (qw(i q)) {
# We could trap the unsupported quad template with eval
# but if we get this far we should have quad support anyway.
if (length(pack($t, 0)) == 8) {
$template = $t;
last;
}
}
}
die "$0: cannot pack native shorts\n" unless defined $template;
$template .= "*";
my $nsem = 10;
semctl($sem,0,SETALL,pack($template,(0) x $nsem)) or print "not ";
print "ok 10\n";
$data = "";
semctl($sem,0,GETALL,$data) or print "not ";
print "ok 11\n";
print "not " unless length($data) == length(pack($template,(0) x $nsem));
print "ok 12\n";
my @data = unpack($template,$data);
my $adata = "0" x $nsem;
print "not " unless @data == $nsem and join("",@data) eq $adata;
print "ok 13\n";
my $poke = 2;
$data[$poke] = 1;
semctl($sem,0,SETALL,pack($template,@data)) or print "not ";
print "ok 14\n";
$data = "";
semctl($sem,0,GETALL,$data) or print "not ";
print "ok 15\n";
@data = unpack($template,$data);
my $bdata = "0" x $poke . "1" . "0" x ($nsem-$poke-1);
print "not " unless join("",@data) eq $bdata;
print "ok 16\n";
} else {
for (7..16) {
print "ok $_\n"; # fake it
}
}
sub cleanup {
msgctl($msg,IPC_RMID,0) if defined $msg;
semctl($sem,0,IPC_RMID,undef) if defined $sem;
}
cleanup;
|
