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explain about threading issuesthe fork and exec system callsin a multithreaded program of few unix systems have chosen to have two versions of fork
what are the multithreading models there are three models-a many-to-one modelb one-to-one model c many-to-many
define the difference between preemptive and nonpreemptive scheduling state why strict nonpreemptive scheduling is unlikely to be used in a computer
what are two differences among user-level threads and kernel-level threads under what circumstances is one type better than the other1 user-level
normal 0 false false false en-in x-none x-none microsoftinternetexplorer4 provide two programming examples of
define busy waiting and spinlockwhen a process is in its significant section any other process that tries to enter its critical section must loop
what is a semaphorea semaphore s is a synchronization tool which is an integer value that apart from initialization is accessed only by two
in which platform can i best develop a college financialaccounting system what modules can it
define entry section and exit sectionthe critical section problem is to design a protocol that the processes can use to cooperate every process must
what is critical section problemconsider a system consists of n processes every process has segment of code called a critical section in which the
define race conditionwhen various process access and manipulate similar data concurrently then the outcome of the execution depends on certain order
what is turnaround timeturnaround time is the interval from the time of submission to the time of completion of a process it is the sum of the
define throughputthroughput in cpu scheduling is the number of processes that are completed per unit time for long processes this rate might be one
what are the various scheduling criteria for cpu schedulingthe various scheduling criteria are cpu
what is dispatch latencythe time taken by the dispatcher to stop one process and begin another running is known as dispatch
what is a dispatcherthe dispatcher is the module that gives control of the cpu to the process selected by the short- term scheduler this function
what is preemptive and nonpreemptive schedulingunder nonpreemptive scheduling once the cpu has been allocated to a process the process keeps the cpu
define cpu schedulingcpu scheduling is the method of switching the cpu among several processes cpu scheduling is the basis of multiprogrammed
what are the different ways in which a thread can be cancelledcancellation of a target thread may happen in two different scenarios asynchronous
define thread cancellation amp target threadthe thread cancellation is the task of terminating a thread before it has completed a thread that is to
what is the use of fork and exec system callsfork is a system call by which a latest process is created exec is also a system call which is used
compare user threads and kernel threadsuser threads-user threads are supported above the kernel and are executed by a thread library at the user
what are the benefits of multithreaded programmingthe advantages of multithreaded programming can be broken down into four main categories
what is a threada thread or else called a lightweight process lwp is a basic unit of cpu utilization it comprises of a thread id a program counter a