15h 30

Hy vọng là phiên bản cuối

Author: GitHubCodeForLife

bai1

@@ -63,22 +63,16 @@ int main()
 		exit (0);
    	 }
     else{
-	printf("Hello from process %d\n",i);
 	if(i%2==0){
-		//wait 
-		printf("P %d is waiting...\n",i);
 		pthread_create(&t1,NULL,A1,NULL); 
 		pthread_join(t1, NULL);
 		sem_post(sem1);	
 		sem_wait(sem2);			
 		pthread_create(&t2,NULL,A2,NULL); 
 		pthread_join(t2, NULL);		
-		
-       		//sleep (1);
 	} else{
 		pthread_create(&t1,NULL,B1,NULL); 
 		pthread_join(t1, NULL);
-		
 		sem_post(sem2);
 		sem_wait(sem1);
 		pthread_create(&t2,NULL,B2,NULL); 

bai1_sem

@@ -6,16 +6,13 @@
 
 void* MakeH(void* arg) {
 	printf("H\n");
-	pthread_exit(NULL);
 }
 
 void* MakeO(void* arg) {
 	printf("O\n");
-	pthread_exit(NULL);
 }
 void* MakeH2O(void* arg) {
 	printf("=>H2O\n");
-	pthread_exit(NULL);
 }
 
 int main() 
@@ -25,7 +22,6 @@ int main()
 		pthread_create(&t1,NULL,MakeH,NULL);	 		
 		pthread_create(&t2,NULL,MakeO,NULL);
 		pthread_create(&t3,NULL,MakeH2O,NULL);  
-		sleep(1);
 	}
 	return 0;
 } 

bai2_sem

@@ -67,3 +67,7 @@ int main()
 } 
 
 
+<<<<<<< Updated upstream
+=======
+
+>>>>>>> Stashed changes