T_MSG CLASS

Overview

The T_MSG class represents run-time attributes of the BEA TUXEDO system managed UNIX System message queues.

Attribute Table

**T_MSG Class Definition Attribute Table**
Attribute1	Type	Permissions	Values	Default
`TA_LMID( k )`	string	R--R--R--	LMID	N/A
`TA_MSGID( k )`	long	R--R--R--	1 <= num	N/A
`TA_STATE( k )`	string	R--R--R--	`GET`:"{`ACT`}" `SET`:N/A	N/A N/A
`TA_CURTIME`	long	R--R--R--	1 <= num	N/A
`TA_MSG_CBYTES`	long	R--R--R--	1 <= num	N/A
`TA_MSG_CTIME`	long	R--R--R--	1 <= num	N/A
`TA_MSG_LRPID`	long	R--R--R--	1 <= num	N/A
`TA_MSG_LSPID`	long	R--R--R--	1 <= num	N/A
`TA_MSG_QBYTES`	long	R--R--R--	1 <= num	N/A
`TA_MSG_QNUM`	long	R--R--R--	1 <= num	N/A
`TA_MSG_RTIME`	long	R--R--R--	1 <= num	N/A
`TA_MSG_STIME`	long	R--R--R--	1 <= num	N/A
( k ) - `GET` key field

¹All attributes in Class T_MSG are local attributes.

Attribute Semantics

TA_LMID: LMID: Logical machine identifier.
TA_MSGID: 1 <= num UNIX System message queue identifier. Limitation: This is a UNIX System-specific attribute that may not be returned if the platform on which the application is being run is not UNIX-based.
TA_STATE: GET: ACTive A GET operation will retrieve run-time information for the selected T_MSG object(s). The following states indicate the meaning of a TA_STATE returned in response to a GET request. States not listed will not be returned. ACTive T_MSG object active. This corresponds exactly to the related T_MACHINE object being active. SET: SET operations are not permitted on this class.
TA_CURTIME: 1 <= num: Current time, in seconds, since 00:00:00 UTC, January 1, 1970, as returned by the time(2) system call on T_MSG:TA_LMID. This attribute can be used to compute elapsed time from the T_MSG:TA_?TIME attribute values.
TA_MSG_CBYTES: 1 <= num: Current number of bytes on the queue.
TA_MSG_CTIME: 1 <= num: Time of the last msgctl(2) operation that changed a member of the msqid_ds structure associated with the queue.
TA_MSG_LRPID: 1 <= num: Process identifier of the last process that read from the queue.
TA_MSG_LSPID: 1 <= num: Process identifier of the last process that wrote to the queue.
TA_MSG_QBYTES: 1 <= num: Maximum number of bytes allowed on the queue.
TA_MSG_QNUM: 1 <= num: Number of messages currently on the queue.
TA_MSG_RTIME: 1 <= num: Time since the last read from the queue.
TA_MSG_STIME: 1 <= num: Time since the last write to the queue.

`ACTive`	`T_MSG` object active. This corresponds exactly to the related `T_MACHINE` object being active.

Limitations

This class is UNIX System-specific and may not be supported in non-UNIX implementations of BEA TUXEDO system.

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