SysV msg queues can be something hanging (witnessed in IRIX),

so let's use IPC_NOWAIT.

p4raw-id: //depot/perl@19358

diff --git a/ext/IPC/SysV/t/msg.t b/ext/IPC/SysV/t/msg.t
index e20d93c..fde699c 100755 (executable)
--- a/ext/IPC/SysV/t/msg.t
+++ b/ext/IPC/SysV/t/msg.t
@@ -35,8 +35,7 @@ print "ok 1\n";
 #Putting a message on the queue
 $msgtype = 1;
 $msg = "hello";
-$msq->snd($msgtype,$msg,0) || print "not ";
-print "ok 2\n";
+print $msq->snd($msgtype,$msg,IPC_NOWAIT) ? "ok 2\n" : "not ok 2 # $!\n";
 
 #Check if there are messages on the queue
 $ds = $msq->stat() or print "not ";

diff --git a/t/op/taint.t b/t/op/taint.t
index 846e1fd..e6e1265 100755 (executable)
--- a/t/op/taint.t
+++ b/t/op/taint.t
@@ -44,7 +44,7 @@ BEGIN {
       eval { require IPC::SysV };
       unless ($@) {
          $ipcsysv++;
-         IPC::SysV->import(qw(IPC_PRIVATE IPC_RMID IPC_CREAT S_IRWXU));
+         IPC::SysV->import(qw(IPC_PRIVATE IPC_RMID IPC_CREAT S_IRWXU IPC_NOWAIT));
       }
   }
 }
@@ -700,14 +700,14 @@ else {
        my $type_rcvd;
 
        if (defined $id) {
-           if (msgsnd($id, pack("l! a*", $type_sent, $sent), 0)) {
-               if (msgrcv($id, $rcvd, 60, 0, 0)) {
+           if (msgsnd($id, pack("l! a*", $type_sent, $sent), IPC_NOWAIT)) {
+               if (msgrcv($id, $rcvd, 60, 0, IPC_NOWAIT)) {
                    ($type_rcvd, $rcvd) = unpack("l! a*", $rcvd);
                } else {
-                   warn "# msgrcv failed\n";
+                   warn "# msgrcv failed: $!\n";
                }
            } else {
-               warn "# msgsnd failed\n";
+               warn "# msgsnd failed: $!\n";
            }
            msgctl($id, IPC_RMID, 0) or warn "# msgctl failed: $!\n";
        } else {