IBM 000-8697 Uživatelský manuál stáhnout pdf (Strana 117)

System Architecture 2-23

OnLine User Processes

Figure 2-2illustratesthevirtualaddressspaceof a user processafterthe user

process has attached to shared memory. For a detailed discussion of how a

user process attaches to shared memory, refer to page 2-24.

An example of a

user process virtual

address space.

Depending on the

machine, shared

allocated “above”

or “below” the

value of SHMBASE.

Unallocated space

OnLine shared-

Private data

Shareddatabaseserver code

(C program text)

User process virtual

address space

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IBM 000-8697 Uživatelský manuál Strana 117