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ctThrdLIFOWrite

Write a message at the beginning of a queue.

Short Name

ctThrdLIFOWrite()

Type

Threading function

Declaration

NINT ctThrdLIFOWrite(NINT qid, pVOID message, NINT msglen)

Description

Write a message at the beginning of the queue specified by qid. It is permissible for the message to be NULL and/or the msglen to be zero.

Return

Value

Symbolic Constant

Explanation

0

NO_ERROR

Successful function.

90

NQUE_ERR

Invalid qid.

92

QMRT_ERR

Queue memory error.

514

CQUE_ERR

Queue could not be closed.

See c-tree Plus Error Codes for a complete listing of valid c-tree Plus error values.

Limitations

Can only be used with a ctThrd library.

See also

ctThrdQueueClose(), ctThrdQueueCount(), ctThrdQueueOpen(), ctThrdQueueMlen(), ctThrdQueueRead(), ctThrdQueueWrite()