1 votes 1 votes Which of the following is not a necessary condition(s) for a deadlock? 1.Mutual Exclusion 2.Hold and wait 3.No pre-emption 4.Re-entrancy Operating System operating-system deadlock-prevention-avoidance-detection + – Umang Raman asked Oct 19, 2015 Umang Raman 2.1k views answer comment Share Follow See 1 comment See all 1 1 comment reply minal commented Nov 5, 2015 reply Follow Share D) re entrancy .. http://www.geeksforgeeks.org/reentrant-function/ 4 votes 4 votes Please log in or register to add a comment.
0 votes 0 votes The necessary condition for DL is: mutual exclusion, hold and wait and no preemption. when we add Circular wait it's necessary and sufficient condition for Deadlock. so option D is correct, more on option D in detail plz refer the comment section. Hira Thakur answered Nov 13, 2017 Hira Thakur comment Share Follow See all 0 reply Please log in or register to add a comment.