| 摘要 |
PROBLEM TO BE SOLVED: To attain the acceleration of speed in the detection of a memory release position by preserving the address of a released memory block. SOLUTION: A real time OS 12 for controlling an interruption handler 10 for processing an interruption and an exception handier 11 for processing an exception generated in a CPU and further for controlling tasks 14 of plural users describing the required processing is provided with a memory release position managing mechanism 13 and manages the memory block released by the task 14. The memory release position managing mechanism 13 preserves the leading address of the memory block released just before and retrieves the release position of the next released memory block based on the leading address.
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