CKP_HDR Back to Index page
 
Prolog 
Control Block Contents 
   CKP_HDR DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  CKP_HDR Prolog Top of page
 
 NAME       : STRUCPRA
 DSECT      : CKP_HDR
 DESCRIPTION: Checkpoint data header
 
 
  CKP_HDR Control Block Content Top of page
 

 CKP_HDR DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CKP_HDR Checkpoint data header 0000 0 Signed 4 * (0) 0000 0 Signed 4 CKP_SUSPCNT Suspended count 0004 4 Signed 4 CKP_BLKCNT Blocked count 0008 8 Signed 4 CKP_FLAG (0) Flags 0008 8 Bitstring 1 CKP_FLAG0 1... .... CKP_FLAG_SUSPRD X'80' CKP_FLAG_SUSPRD suspend data read .1.. .... CKP_FLAG_BLKRD X'40' CKP_FLAG_BLKRD block data read 0009 9 Bitstring 1 CKP_FLAG1 Reserved 000A 10 Bitstring 1 CKP_FLAG2 Reserved 000B 11 Bitstring 1 CKP_FLAG3 Reserved Suspended checkpoint data entry
 
 
  CKP_HDR Storage Layout Top of page
 
          
*** CKP_HDR - Checkpoint data header
*
*     +---------------------------+---------------------------+
*   0 |       CKP_SUSPCNT         |        CKP_BLKCNT         |
*     +------+------+------+------+---------------------------+
*   8 |(008) |(009) |(00A) |(00B) | C
*     +------+------+------+------+
*
*** CKP_HDR - Checkpoint data header
 
 
  CKP_HDR Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
CKP_BLKCNT     0004
CKP_FLAG       0008
CKP_FLAG_BLKRD
               0008 40
CKP_FLAG_SUSPRD
               0008 80
CKP_FLAG0      0008
CKP_FLAG1      0009
CKP_FLAG2      000A
CKP_FLAG3      000B
CKP_SUSPCNT    0000
 
This information is based on z/VM 6.3.0.
Last updated on 22 May 2013 at 13:50:13 EDT.
Copyright IBM Corporation, 1990, 2013