Attaching the SGA to a C Program
The SGA can be attached to a C program using the shmat system call. You can get more information about this system call by issuing man shmat at a Unix prompt, or from your favorite Unix programming books. The system call must be executed by a Unix user who has read permission to the Oracle SGA, and the syntax is as follows:
CAUTION
To avoid data corruption, it is imperative that the SGA be attached as read-only. The shmflg value must be SHM_RDONLY. You must never alter the memory content because it will corrupt ...
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