[修改] 测试

ReadMe.md

@@ -6,4 +6,6 @@
 ```shell
 # Top 
 cmake -S . -B output -G "Unix Makefiles"
+
+make -C output
 ```

test_sem.c

@@ -32,9 +32,10 @@ int main(){
 		sprintf(outpipe1,"Child process 1 is sending a message!\n");
 		write(fd[1],outpipe1, strlen(outpipe1));
 		lockf(fd[1],0,0);	// 管道解锁
-		sem_post(resource1);			// 信号量开锁，name_sem1
-		sem_close(resource1);								// 有名信号量关闭，name_sem1
-		exit(0);			// 线程退出
+		sem_post(resource1);		// 信号量开锁，name_sem1
+		sem_close(resource1);					// 有名信号量关闭，name_sem1
+
+		exit(0);		// 线程退出
 	}
 
 	pid2 = fork();