A process is running on two kernel threads. Match each combinations of TCB/PCB states with proper choice of valid/invalid, assuming a single CPU system.
Homework Answers
A process is running when atleast one of its TCB is in running state and process can be blocked but the threas can be running or ready state.
1.so the first one is invalid
2. it is valid
3. it is valid as thread can be in blocked state and process is still running
4. it is valid as the process and it thread can be blocked simultaneously.
5. it is valid as one of thread is running
6.it is invalid as one thread is running so the process needs to be in running state.
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A process is running on two kernel threads. Match each
combinations of TCB/PCB states with proper...
A process is running on two kernel threads. Match each combinations of TCB/PCB states with proper...
A process is running on two kernel threads. Match each combinations of TCB/PCB states with proper choice of valid/invalid, assuming a single CPU system. PCB TCB1 TCB2 Running Running ready TCB1 TCB2 < PCB Ready Ready Running > PCB Blocked TCB1 Ready TCB2 Ready 1. is valid PCB Blocked < TCB1 Blocked TCB2 Blocked 2. is invalid < PCB Ready TCB1 Running TCB2 Ready PCB TCB2 TCB1 Running Running Blocked
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A process is running on two kernel threads. Match each combinations of TCB/PCB states with proper choice of valid/invalid, assuming a single CPU system. PCB TCB1 TCB2 Running Running ready TCB1 TCB2 < PCB Ready Ready Running > PCB Blocked TCB1 Ready TCB2 Ready 1. is valid PCB Blocked < TCB1 Blocked TCB2 Blocked 2. is invalid < PCB Ready TCB1 Running TCB2 Ready PCB TCB2 TCB1 Running Running Blocked
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Write a C program for:
One technique for dealing with deadlock is called “detect and
recover.” In this scheme, some procedure is used
to identify when a deadlock occurs, and then another procedure
is used to deal with the blocked processes. One technique to
identify a deadlock is to maintain a resource graph that identifies
all processes, all resources, and the relationships between them
(that is, which processes exclusively own which resources, and
which processes are blocked waiting for which...
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