Producer Consumer TAS Sample code

Practice_07/Producer_Consumer_TAS.c

@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdatomic.h>
+#include <pthread.h>
+
+atomic_int counter = 5;     //원자적 변수
+
+void* producer(void* arg){
+    for(int i = 0; i < 1000000; i++){
+        atomic_fetch_add(&counter, 1);
+    }
+
+    return NULL;
+}
+
+void *consumer(void* arg){
+    for(int i = 0; i < 1000000; i++){
+        atomic_fetch_sub(&counter, 1);
+    }
+
+    return NULL;
+}
+
+int main(){
+    pthread_t t1, t2;
+
+    pthread_create(&t1, NULL, producer, NULL);
+    pthread_create(&t2, NULL, consumer, NULL);
+
+    pthread_join(t1, NULL);
+    pthread_join(t2, NULL);
+
+    printf("최종 Counter 값 : %d\n", counter);
+    return 0;
+}