Figure 3 shows a code for a program named "FRK". a. draw the process tree of this program (assuming that code line #19 is being executed)
Figure 3 shows a code for a program named "FRK". a. draw the process tree of this program (assuming that code line #19 is being executed)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
Related questions
Question
Figure 3 shows a code for a
a. draw the process tree of this program (assuming that code line #19 is being
executed)
![1#include <stdio.h>
2 #include <unistd.h>
3 #include <sys/types.h>
4
5 int main()
6 {
pid_t child_pid;
child_pid
fork();
if (child_pid != 0)
{
fork();
printf ("A\n");
sleep (100);
}
else
{
sleep (1);//so that the parent will execute first
char* arg_list[] = {"uname","-s", NULL}; //-s, -kernel-name
execvp ("uname", arg_list);
fork();
printf ("B\n");
}
printf ("C\n");
return 0;
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25}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fed42fcd9-b096-4a17-a382-621e716f219f%2Fcfba27c3-5b04-4a77-b59f-ee22b4c5317a%2Flve1cus_processed.png&w=3840&q=75)
Transcribed Image Text:1#include <stdio.h>
2 #include <unistd.h>
3 #include <sys/types.h>
4
5 int main()
6 {
pid_t child_pid;
child_pid
fork();
if (child_pid != 0)
{
fork();
printf ("A\n");
sleep (100);
}
else
{
sleep (1);//so that the parent will execute first
char* arg_list[] = {"uname","-s", NULL}; //-s, -kernel-name
execvp ("uname", arg_list);
fork();
printf ("B\n");
}
printf ("C\n");
return 0;
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25}
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