INQUIRE INPUT QUEUE OVERFLOW

PQIQOV

CALL SEQUENCE

CALL PQIQOV (ERRIND, WKID, ICL, IDN).

OUTPUT PARAMETERS

INTEGER ERRIND

Error indicator

INTEGER WKID

Workstation identifier.

INTEGER ICL

Input type

PLOCAT:

0 (LOCATOR)

PSTROK:

1 (STROKE)

PVALUA:

2 (VALUATOR)

PCHOIC:

3 (CHOICE)

PPICK:

4 (PICK)

PSTRIN:

5 (STRING)

INTEGER IDN

Input device number.

PHIGS STATE

EFFECT

Returns a description of the event which caused the input event queue overflow, if there has been an overflow since OPEN PHIGS or since the last CALL to this function.  If the data is available, error indicator is returned as 0.

The description is read from the PHIGS error state list. After reading, the description is deleted from this list.

ERRORS

3

Ignoring function, function requires state (PHOP, WSOP,*,*)

257

Ignoring function, input queue has not overflowed, since OPEN PHIGS or last invocation of INQUIRE INPUT QUEUE OVERFLOW

258

Ignoring function, input queue has overflowed, but associated workstation has been closed

SEE ALSO