BEGIN {
chdir 't' if -d 't';
- @INC = '../lib';
+ unshift @INC, '../lib';
require Config; import Config;
- unless ($Config{'d_msg'} eq 'define' &&
- $Config{'d_sem'} eq 'define') {
- print "1..0\n";
- exit;
+ 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 S_IRWXG S_IRWXO);
+use IPC::SysV qw(IPC_PRIVATE IPC_NOWAIT IPC_STAT IPC_RMID S_IRWXU);
use strict;
print "1..16\n";
$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, S_IRWXU | S_IRWXG | S_IRWXO);
+
+ $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;
my $msgtype = 1;
my $msgtext = "hello";
- msgsnd($msg,pack("L a*",$msgtype,$msgtext),0) or print "not ";
+ 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 4\n";
my $msgbuf;
- msgrcv($msg,$msgbuf,256,0,IPC_NOWAIT) or print "not ";
+ unless (msgrcv($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,$rmsgtext) = unpack("L a*",$msgbuf);
-
- print "not " unless($rmsgtype == $msgtype && $rmsgtext eq $msgtext);
+ my($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') {
- use IPC::SysV qw(IPC_CREAT GETALL SETALL);
-
- $sem = semget(IPC_PRIVATE, 10, S_IRWXU | S_IRWXG | S_IRWXO | IPC_CREAT);
- # Very first time called after machine is booted value may be 0
- die "semget: $!\n" unless defined($sem) && $sem >= 0;
-
- print "ok 7\n";
+ if ($Config{'d_semctl_semid_ds'} eq 'define' ||
+ $Config{'d_semctl_semun'} eq 'define') {
- my $data;
- semctl($sem,0,IPC_STAT,$data) or print "not ";
- print "ok 8\n";
+ use IPC::SysV qw(IPC_CREAT GETALL SETALL);
- print "not " unless length($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;
- }
- }
- }
+ $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;
- die "$0: cannot pack native shorts\n" unless defined $template;
+ print "ok 7\n";
- $template .= "*";
+ 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;
+ my $nsem = 10;
- semctl($sem,0,SETALL,pack($template,(0) x $nsem)) or print "not ";
- print "ok 10\n";
+ semctl($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";
+ $data = "";
+ semctl($sem,0,GETALL,$data) or print "not ";
+ print "ok 11\n";
- print "not " unless length($data) == length(pack($template,(0) x $nsem));
- print "ok 12\n";
+ print "not " unless length($data) == length(pack("s!*",(0) x $nsem));
+ print "ok 12\n";
- my @data = unpack($template,$data);
+ my @data = unpack("s!*",$data);
- my $adata = "0" x $nsem;
+ my $adata = "0" x $nsem;
- print "not " unless @data == $nsem and join("",@data) eq $adata;
- print "ok 13\n";
+ print "not " unless @data == $nsem and join("",@data) eq $adata;
+ print "ok 13\n";
- my $poke = 2;
+ my $poke = 2;
- $data[$poke] = 1;
- semctl($sem,0,SETALL,pack($template,@data)) or print "not ";
- print "ok 14\n";
+ $data[$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";
+ $data = "";
+ semctl($sem,0,GETALL,$data) or print "not ";
+ print "ok 15\n";
- @data = unpack($template,$data);
+ @data = unpack("s!*",$data);
- my $bdata = "0" x $poke . "1" . "0" x ($nsem-$poke-1);
+ my $bdata = "0" x $poke . "1" . "0" x ($nsem-$poke-1);
- print "not " unless join("",@data) eq $bdata;
- print "ok 16\n";
+ 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
projects / p5sagit/p5-mst-13.2.git / blobdiff