Arid no is : 19-arid-898
Question 3: [2+2]
a)What, to whom and how many values a fork s...
Computers and Technology, 26.04.2021 14:00, emily200705
Arid no is : 19-arid-898
Question 3: [2+2]
a)What, to whom and how many values a fork system call returns?
b)Assuming there is no syntax error, what is the output for the following C program for linux? All of you may need to put screenshot of your PC in which Terminal login must be your arid number.
int main()
{ pid_t fork_return;
fork_return = fork();
if (fork_return == 0) {
execlp("/bin/ls", "ls", NULL);
printf("Child process ID: %d\n", getpid());
exit(0);
}
else { wait (NULL);
printf("Parent process ID: %d\n", getpid());
}
return 0;
}
Answers: 1
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Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system. currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system. currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system. currenttimemillis() just after the end of the algorithm as the elapsed time.
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