feat: update structure

cs2106/labs/lab2/part2/lab2p2a.c

@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+int slow(char *name, int time, int n) {
+    for(int i=n; i<=n+4; i++) {
+        printf("%s: i = %d\n", name, i);
+        sleep(time);
+    }
+}
+
+sdf
+asdf
+as
+dfas
+f
+
+int main() {
+    int id;
+
+    if((id = fork()) != 0) {
+        int stat;
+        int my_id = getpid();
+        int parent_id = getppid();
+        printf("\nI am the parent.\n");
+        printf("My ID is %d\n", my_id);
+        printf("My parent's ID is %d\n", parent_id);
+        printf("My child's ID is %d\n\n", id);
+        slow("Parent", 1, 5);
+        printf("\nWaiting for child to exit.\n");
+        wait(&stat);
+        printf("CHILD HAS EXITED WITH STATUS %d\n", WEXITSTATUS(stat));
+    }
+    else 
+    {
+        id = getpid();
+        int parent_id = getppid();
+        printf("\nI am the child.\n");
+        printf("My ID is %d\n", id);
+        printf("My parent's ID is %d\n\n", parent_id);
+        slow("Child", 2, 10);
+        exit(25);
+    }
+}
+
+