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Which of the following calls fail if the requested shared memory segment does not already exist? ( a ) shmget ( key , sizeof (
Which of the following calls fail if the requested shared memory segment does not already exist?
a shmget key sizeof int IPCCREAT;
b shmget key sizeof int;
c shmgetIPCPRIVATE, sizeof int;
db and c
e None of the above
Which of the following is INCORRECT about shared memory?
a An IPC method that does not need kernel intervention to deliver messages
b An IPC method that lacks a mean of synchronization between the communicating pro
cesses
c An IPC method that can be used for communication between process, and between threads
as well
d It is a system resource that can continue to exist even after the processes that are using
it terminate.
e None of the above
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