Cogent C API and Utilities : Version 6.4
	Data Types

`ST_STATUS`

ST_STATUS — contains return values for some Cogent C API functions.

Synopsis

typedef enum
{
    ST_OK = 0, ST_ERROR, ST_NO_TASK, ST_NO_MSG, ST_WOULDBLOCK, ST_INTR,
    ST_FULL, ST_LOCKED, ST_SECURITY, ST_NO_POINT, ST_INSIG, ST_UNKNOWN,
    ST_NO_QUEUE, ST_CMD_SYNTAX_ERROR, ST_REPLIED, ST_WRONG_TYPE,
    ST_TOO_LARGE, ST_NO_MEMORY, ST_OLD_DATA, ST_TIMEOUT
} ST_STATUS;

Members

The following descriptions are general, and should be interpreted in the context of the specific function and circumstances.

`ST_OK`	The function executed without error.
`ST_ERROR`	An error occurred.
`ST_NO_TASK`	A required task does not exist.
`ST_NO_MSG`	There is no message available.
`ST_WOULDBLOCK`	This action would block, and is not permitted.
`ST_INTR`	An interrupt occurred.
`ST_FULL`	The queue is full.
`ST_LOCKED`	A Cascade DataHub point is locked.
`ST_SECURITY`	The security level is insufficient.
`ST_NO_POINT`	A required Cascade DataHub point does not exist.
`ST_INSIG`	A change in a Cascade DataHub point's value is insignificant. This is not really an error, but a notification that no exception will be generated by the datahub.
`ST_UNKNOWN`	There is an unknown error.
`ST_NO_QUEUE`	A target task has no queue, or `qserve` is absent.
`ST_CMD_SYNTAX_ERROR`	The command was not found, or there was a syntax error.
`ST_REPLIED`	The reply was complete.
`ST_WRONG_TYPE`	The type of a point or variable was wrong.
`ST_TOO_LARGE`	A value to be written to memory is larger than the available buffer.
`ST_NO_MEMORY`	There is insufficient memory available.
`ST_OLD_DATA`	Time-significant data is out of date.
`ST_TIMEOUT`	A timeout occurred in poll mode.

Description

This structure contains return values for some Cogent C API functions.


PT_TYPE, PT_uVALUE		Cascade DataHub Functions