在进行snprintf之前，进行缓冲区的判满，提高处理效率。去掉无意义的goto语句

shm_consumer/MESA_shm_consumer.c

@@ -524,7 +524,7 @@ int main(int argc, char **argv)
 				if(g_care_pid == CONSUMER_CARE_PID_SPEC){
 					if(!producer_pid_is_cared(tmp_ovw->producer_pid)){
 						MESA_shm_ring_queue_set_empty(ring_queue_head[i]);
-						goto next;
+						break ;
 					}
 				}
 				if(g_output_mode == CONSUMER_OUTPUT_MODE_FILE){
@@ -534,7 +534,6 @@ int main(int argc, char **argv)
 				}
 			}
 		}
-	next:
 		usleep(5000);
 	}	
 	return 0;

src/MESA_handle_logger.c

@@ -346,6 +346,9 @@ void MESA_handle_runtime_log(void *handle, int level, const char *module, const
 		}
 		pthread_setspecific(MESA_pthread_key,(void*)pri);
 	}
+	if(MESA_shm_ring_queue_is_full(pri->ring_queue_head)){
+		return ;
+	}
 	portable_vsnprintf(handle, pri->cache_buf, pri->cache_buf_len, fmt, ap);
 	MESA_shm_copy_buf_to_ring_queue(pri->cache_buf, pri->cache_buf_len, pri->ring_queue_head, p_handle->real_log_file,p_handle->real_log_file_len);
 	zlog(p_handle->zc, p_handle->runtime_log_file, strlen(p_handle->runtime_log_file), module, strlen(module), __LINE__, level, "%s", pri->cache_buf);