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recall that condition variables are synchronization primitives that enable threads to wait until a particular condition occursgeneralizing the
now let us present an implementation of a producer-consumer system using condition variables this implementation worksdequeuelockawhile queue empty
what does it mean for something to be thread-safe by saying that x is thread-safe we mean that if multiple threads use x at the same time we dont
synchronization serves two purposes 1 to ensure safety for updates on shared data eg to avoid races conditions and 2 to coordinate and order actions
how could we implement locks no matter how we choose to implement them we must have some hardware support one possibility for implementing locks on a
locks also known as mutexes short for mutual exclusion locks provide mutual exclusion to shared data inside a critical session they are implemented
as we already know threadsmust ensure consistency otherwise race conditions non-deterministic results might happen now consider the too much milk
now we consider the following questions how can the parent process communicate with its child or how can children processes communicate with other
unix process apithe two most important function calls to use when programming with several processes are fork and exec fork creates a copy of current
processes and threads each have their place in multi-programming generally to hide latency and to maximize cpu utilization with the continuing spread
one reason to learn c and c is simply that so much software is written in these languages a related butmore fundamental reason is that c and c are
operating systems have evolved tremendously in the last few decades the first approach for building operating systems taken during the 40s through
the term operating system os is often misused it is common for example for people to speak of an os when they are in fact referring to an os and to a
in this project you will implement the chandy and misras cm algorithm using posix threads pthreads the algorithm is a distributed
a- in a table format compare between programmed io interrupt -driven io and direct memory access dma in terms of basic idea advantages
a- consider a computer system that provides a virtual memory space that consists of 8 pages the physical memory contains 4 pages where the page
for the heat conduction problem investigate the effects on the numerical solution of the following aspects1 non-uniform meshes with renement at both
example 1 the diagram illustrating the data structures of in-memory vfs objects and on-disk objects and their relationships on slide 24 of the
you are required to study the important system components including important data structures important functions and algorithms and the various
1 a digitized voice channel is made by digitizing a 7 khz bandwidth analog signal the signal is to be sampled twice the highest frequency two samples
objectives1 login to unix system and logout2 learn features of the vi editor and to use online help main pages gain
voip voice over internet protocol also called internet telephone was once a novelty on the internet but not very useful because of all the problems
assignment what im covering general control flow fork execlp parameters makefiles additional questionsgeneral control flowfork in the
1 suggest some mechanisms to lower the dispatch latency while scheduling for a real-time systemalso discuss any trade-off or consequent constraint
organizational structural logical and execution relationships between important system components in linux kernel subsystemsa description of the