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As defined in xcapi.h

Description:

Checks whether event notification callbacks are suspended for a specified data item/slot in a container object. (Returns XTRUE if callbacks are suspended for the slot, XFALSE if not.)

Restrictions:

• Belongs to the Mutually Exclusive function set.
• Valid for container objects only.

Parameters:

• object [IN] Handle to the container object being queried.
• slot [IN] Slot number of the slot being checked.
• suspend [OUT] Address of the variable which will receive the xbool response. (XTRUE if the slot is suspended.)

Returns:

An xerr type indicating the status of the operation.

Common error codes:

XSUCCESS The operation completed successfully.
XTHREAD Called from an invalid thread.
XINVAL An invalid parameter was supplied.
XBADHANDLE Invalid handle.
XBADSLOT Invalid slot number.
XNOTCONNECTED Session not connected.