One necessary condition for deadlock is ______, which states that a process must be holding one resource and waiting to acquire additional resources.
A.hold and wait
B.mutual exclusion
C.circular wait
D.no preemption
正确答案是A
One necessary condition for deadlock is ______, which states that a process must be holding one resource and waiting to acquire additional resources.
A.hold and wait
B.mutual exclusion
C.circular wait
D.no preemption
正确答案是A