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We have talked about blocking locks, which voluntarily yield, and spinlocks, which just spin until they acquire the lock. At ?rst, it seems like spinlocks are verywasteful, and tha
Q. What are the advantages as well as disadvantages of using circuit switching? For what types of applications is circuit switching a viable strategy? Answer: Circuit
Write a note on deadlocks. The proper definition of deadlock A set of processes is deadlocked if every process in the set is waiting for an event that only a proces
#include #include #include #include #include int main(void) { int pchan[2], pid, rval, cvar; char buf[20]; if (pipe(pchan) == -1){
Research the phenomenon of data races. Give an example of how an unprotected data race can give rise to data inconsistency. How do OpenMP and Cilk resolve this problem? Data
Process Description A process in UNIX is a somewhat complex set of data structures that provides the operating system with all of the information necessary to dispatch and manag
Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers
Direct communication With direct communication each process that requires to communicate must explicitly name the recipient or sender of the communication. The send and receive
Write a short note on Memory management. Memory management includes reallocating and allocating the memory space. The kinds of allocation of memory FIXED PARTITIONING
What is co-operative process? A process is co-operating if it can influence or be affected by the other processes implementing in the system. Any process that share data with o
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