Galvin Edition 9 Exercise 4 Question 15 (Page No. 193)

Question

Consider the following code segment:

pid t pid;
pid = fork();
if (pid == 0) { /* child process */
fork();
thread create( . . .);
}
fork();

a. How many unique processes are created?
b. How many unique threads are created? 

Comments

5 child process and 1 parent.

4 threads

Answer 1

process=6

threads created=2

Answer 2

8 threads and 6 processes.

Answer 3

Number of Process=6

Number of threads= 2

Refer to this Link : http://mjgeiger.github.io/OS/prev/sp17/homework/OSsp17_hw2_soln.pdf