REAL TIME OPERATING SYSTEM SIMULATOR, REAL TIME OPERATING SYSTEM SIMULATION METHOD, PROGRAM AND COMPUTER READABLE RECORDING MEDIUM HAVING PROGRAM RECORDED THEREON

摘要

PROBLEM TO BE SOLVED: To handle many interruptions in a rear system by an RTOS simulator, to provide a mechanism executing the interruption generated while the interruption is inhibited when the interruption inhibition is canceled and to facilitate the inhibition/ inhibition cancellation by a level unit of the interruptions divided into levels. ;SOLUTION: A real time operating system simulator is provided with an interruption mask level table 105 storing the levels of the interruptions divided into the levels, an interruption inhibition means 106 outputting the level of an interruption inhibition request to the interruption mask level table 105 by a first condition, an interruption inhibition cancellation means 107 outputting the level of an interruption inhibition cancellation request to a mask level storage means by a second condition and outputting an interruption execution request by the second condition, and an interruption execution means inputting the interruption execution request and executing an interruption handler thread 104 by a third condition on the basis of the inputted interruption execution request.;COPYRIGHT: (C)2003,JPO