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|
#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require Config; import Config;
my $reason;
if ($Config{'extensions'} !~ /\bIPC\/SysV\b/) {
$reason = 'IPC::SysV was not built';
} elsif ($Config{'d_sem'} ne 'define') {
$reason = '$Config{d_sem} undefined';
} elsif ($Config{'d_msg'} ne 'define') {
$reason = '$Config{d_msg} undefined';
}
if ($reason) {
print "1..0 # Skip: $reason\n";
exit 0;
}
}
# 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);
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 $perm = S_IRWXU;
if ($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";
my $test2bad;
my $test5bad;
my $test6bad;
unless (msgsnd($msg,pack("L! a*",$msgtype,$msgtext),IPC_NOWAIT)) {
print "not ";
$test2bad = 1;
}
print "ok 2\n";
if ($test2bad) {
print <<EOM;
#
# The failure of the subtest #2 may indicate that the message queue
# resource limits either of the system or of the testing account
# have been reached. Error message "Operating would block" is
# usually indicative of this situation. The error message was now:
# "$!"
#
# You can check the message queues with the 'ipcs' command and
# you can remove unneeded queues with the 'ipcrm -q id' command.
# You may also consider configuring your system or account
# to have more message queue resources.
#
# Because of the subtest #2 failing also the substests #5 and #6 will
# very probably also fail.
#
EOM
}
my $data;
msgctl($msg,IPC_STAT,$data) or print "not ";
print "ok 3\n";
print "not " unless length($data);
print "ok 4\n";
my $msgbuf;
unless (msgrcv($msg,$msgbuf,256,0,IPC_NOWAIT)) {
print "not ";
$test5bad = 1;
}
print "ok 5\n";
if ($test5bad && $test2bad) {
print <<EOM;
#
# This failure was to be expected because the subtest #2 failed.
#
EOM
}
my($rmsgtype,$rmsgtext);
($rmsgtype,$rmsgtext) = unpack("L! a*",$msgbuf);
unless ($rmsgtype == $msgtype && $rmsgtext eq $msgtext) {
print "not ";
$test6bad = 1;
}
print "ok 6\n";
if ($test6bad && $test2bad) {
print <<EOM;
#
# This failure was to be expected because the subtest #2 failed.
#
EOM
}
} else {
for (1..6) {
print "ok $_\n"; # fake it
}
}
if($Config{'d_semget'} eq 'define' &&
$Config{'d_semctl'} eq 'define') {
if ($Config{'d_semctl_semid_ds'} eq 'define' ||
$Config{'d_semctl_semun'} 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 $nsem = 10;
semctl($sem,0,SETALL,pack("s!*",(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("s!*",(0) x $nsem));
print "ok 12\n";
my @data = unpack("s!*",$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("s!*",@data)) or print "not ";
print "ok 14\n";
$data = "";
semctl($sem,0,GETALL,$data) or print "not ";
print "ok 15\n";
@data = unpack("s!*",$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 $_ # skipped, no semctl possible\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;
|
