Guardian Programming Reference Summary for pTAL and TAL
Procedure Calls Summary (A-C)
Guardian Programming Reference Summary for pTAL and TAL—522631-001
4-16
CHECK^BREAK 
Tests whether the BREAK key has been pressed since the last CHECK^BREAK. 
CHECK^BREAK is a sequential I/O (SIO) procedure and can be used only with files 
that have been opened by OPEN^FILE.
CHECK^FILE 
Checks the file characteristics. CHECK^FILE is a sequential I/O (SIO) procedure and 
can be used only with files that have been opened by OPEN^FILE.
CHECKALLOCATESEGMENT 
(Superseded by SEGMENT_ALLOCATE_CHKPT_) Allocates an extended data 
segment for use by the backup process in a NonStop process pair.
state := CHECK^BREAK ( { common-fcb }
 { file-fcb } );
state, INT returned value
1 The BREAK key was pressed; the process owns BREAK.
0 The BREAK key was not pressed; this process does not own BREAK.
common-fcb, INT:ref:* input
file-fcb, INT:ref:* input
retval := CHECK^FILE ( { common-fcb }
 { file-fcb }
 ,operation );
retval, INT returned value
common-fcb, INT:ref:* input
file-fcb, INT:ref:* input
operation, INT:value input
CALL CHECKALLOCATESEGMENT ( segment-id
 ,[ filename ]
 ,[ pin-and-flags ]
 ,error );










