Concurrency: Deadlock and
Starvation
Deadlock
Example where deadlock
can occur
Example where deadlock
cannot occur
The Conditions for
Deadlock
The Conditions for
Deadlock
The Conditions for
Deadlock
Methods for handling
deadlocks
Deadlock Prevention
Indirect methods of
deadlock prevention
Indirect methods of
deadlock prevention
Direct methods of
deadlock prevention
Prevention of circular
wait
Prevention of circular
wait
Deadlock Prevention:
Summary
Deadlock Avoidance
Resource types
Process initiation denial
Process initiation denial
Resource allocation
denial: the banker’s algorithm
The banker’s algorithm
The banker’s algorithm
The banker’s algorithm
The banker’s algorithm
The banker’s algorithm
Example of the banker’s
algorithm
Example of the banker’s
algorithm
Example of the banker’s
algorithm
banker’s algorithm:
comments
Deadlock Detection
A deadlock detection
algorithm
Deadlock detection:
comments
Deadlock detection:
example
Deadlock Recovery
Deadlock Recovery (cont.)
An integrated deadlock
strategy