--********************************************************************************************************************
-- Created:  9-Mar-2021 22:28:34 by OpenVMS SDL EV3-3      
-- Source:  19-APR-1993 14:51:25 $1$DGA8085:[LIB_ADA.LIS]RGBDEF.SDL;1 
--********************************************************************************************************************
with SYSTEM; use SYSTEM;
with STARLET; use STARLET;
with CONDITION_HANDLING; use CONDITION_HANDLING;
 
package RGBDEF is
 
--  module $RGBDEF
 
--+
-- RGB - Range Block
--
-- Range Block is a user defined structure passed by reference to the Lock
-- Manager $enq, $enqw and $deq system system services via the optional [RANGE]
-- argument. 
-- The Range Block specifies a relative start and length of a resource range 
-- to be locked, converted or unlocked.
---
 
    RGB_C_LENGTH		: constant := 16;			-- LENGTH OF FIXED PART
    RGB_K_LENGTH		: constant := 16;			-- LENGTH OF FIXED PART
    RGB_K_MAXRANGE		: constant := -1;			-- Maximum range of resource
    RGB_S_RGBDEF		: constant := 16;
 
    type RGB_TYPE is
	record
	    START	: UNSIGNED_QUADWORD;				--  relative start of range to lock
	    LENGTH	: UNSIGNED_QUADWORD;				--  length of range to lock
	end record;
 
	    for RGB_TYPE use 
		record
		    START	at 0 range 0 .. 63;
		    LENGTH	at 8 range 0 .. 63;
		end record;
	    for RGB_TYPE'SIZE use 128;
 
    RGB_TYPE_INIT : constant RGB_TYPE := 
	    (START	=> (0, 0),
	    LENGTH	=> (0, 0));
 
end RGBDEF;