Information processing device and shared memory management method

摘要

An access blocking unit (74) blocks an access to a failed segment by using tokens in hardware and a replacing unit (75) performs a process for replacing the failed segment with a replacement segment. For each segment of a shared memory (43), an application recognizing unit (71) recognizes the node numbers of nodes that are given access permission and PIDs of applications and records them in the management table (70). When a failure occurs in the shared memory (43), an access stopping unit (73) identifies applications that use the failed segment including applications of different nodes (1) by using the management table (70) and informs the applications of stop of the use of the failed segment.