how is shared memory implemented using memory-mapped files? A, by having the communicating processes memory map the same file into the virtual address spaces B, by having the communicating processes use copy-on-write to memory-map the same file C, by using the memory-mapped call and copy-on write, which allows processes to share a file D, by using the memory-mapped call and read-inly mode which allows processes to share a file
how is shared memory implemented using memory-mapped files? A, by having the communicating processes memory map the same file into the virtual address spaces B, by having the communicating processes use copy-on-write to memory-map the same file C, by using the memory-mapped call and copy-on write, which allows processes to share a file D, by using the memory-mapped call and read-inly mode which allows processes to share a file
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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how is shared memory implemented using memory-mapped files?
A, by having the communicating processes memory map the same file into the virtual address spaces
B, by having the communicating processes use copy-on-write to memory-map the same file
C, by using the memory-mapped call and copy-on write, which allows processes to share a file
D, by using the memory-mapped call and read-inly mode which allows processes to share a file
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