Deadlock is a situation where a group of processes are all blocked and none of them can become unblocked until one of the other becomes unblocked.The simplest deadlock is two processes each of which is
Latest Answer : Deadlock is a situation know as permanent waiting state.where a group of processes are blocked and none of them can become unblocked until one of the other becomes unblocked. ...
Deadlock can arise if four conditions hold simultaneously.Mutual exclusion: only one process at a time can use a resource.Hold and wait: a process holding at least one resource is waiting to
->Ensure that the system will never enter a deadlock state.->Allow the system to enter a deadlock state and then recover.->Ignore the problem and pretend that deadlocks never occur in the system; used
When a process requests an available resource, system must decide if immediate allocation leaves the system in a safe state->System is in safe state if there exists a safe sequence of
->When, and how often, to invoke depends on:How often a deadlock is likely to occur?How many processes will need to be rolled back?->If detection algorithm is invoked arbitrarily, there may be many cycles
Latest Answer : how deadlock occurs and prevents? ...
Process Termination:->Abort all deadlocked processes.->Abort one process at a time until the deadlock cycle is eliminated.->In which order should we choose to abort?Priority of the process.How long process
what are the designer and implementation challenges respect to process synchronization and deadlock management ? any suggestion for improvement
