Using the program shown below, explain what will be output at Line A. Assume that fork() completes successfully.  #include #include #include   int value = 40; int main() {      pid_t pid;      pid = fork();      if (pid == 0) {             value += 30;      } else if (pid > 0) {             wait(NULL);             printf(“PARENT: value = %d”, value);   //Line A             exit(0);      } }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Using the program shown below, explain what will be output at Line A. Assume that fork() completes successfully. 


#include <sys/types.h>
#include <stdio.h>
#include <unistd.h>
 
int value = 40;
int main() {
     pid_t pid;

     pid = fork();
     if (pid == 0) {
            value += 30;
     } else if (pid > 0) {
            wait(NULL);
            printf(“PARENT: value = %d”, value);   //Line A
            exit(0);
     }
}

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