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8.133. IPC::Msg
System V Msg IPC object class. Uses
constants defined in IPC::SysV.
| new |
$msg = new IPC::Msg(key, flags)
Creates a new message queue associated with
key and uses
flags to set the permissions. Creates the
new message queue if the following are true:
key is equal to IPC_PRIVATE.
key doesn't already have
an associated message queue, and FLAGS &
IPC_CREAT is true.
| id |
$msg->id
Returns the system identifier for the message queue.
| rcv |
$msg->rcv(buf, len[, type[, flags]])
Reads a message from the queue, returning the type of the message.
| remove |
$msg->remove
Removes and destroys the message queue.
| set |
$msg->set(stat) $msg->set(name=>value[,name=>value...]) |
stat method or a list of name/value pairs and sets
the following values of the stat structure associated with the
message queue:
uid
gid
mode (the permission bits)
qbytes
| snd |
$msg->snd(type, msg[, flags])
Puts a message of type type on the queue
with the data from msg. See the
msgsnd function.
| stat |
$ds = $msg->stat
Returns an object of type IPC::Msg::stat (which is a subclass of
Class::Struct) that provides the following fields:
uid gid cuid cgid
mode qnum qbytes lspid
lrpid stime rtime ctimeSee the stat function and your system
documentation for more information.
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| 8.132. IO::Socket |  | 8.134. IPC::Open2 |
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