Graph(fork, join) sample code

Practice_06/graph01.c

@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <pthread.h>
+
+int x = 5, y = 3, z = 7;
+int a, b, c, w;
+
+void* task1(void* arg){
+    a = x + y;
+    printf("Task1 : a = %d\n", a);
+    return NULL;
+}
+
+void* task2(void* arg){
+    b = z + 1;
+    printf("Task2 : b = %d\n", b);
+    return NULL;
+}
+
+int main(){
+    pthread_t t1, t2;
+
+    pthread_create(&t1, NULL, task1, NULL);
+    pthread_create(&t2, NULL, task2, NULL);
+
+    pthread_join(t1, NULL);
+    pthread_join(t2, NULL);
+
+    c = a - b;
+    w = c + 1;
+    printf("c = %d\n", c);
+    printf("w = %d\n", w);
+
+    return 0;
+}