Function create_tcp_sock

adapter/micro_thread/echo.cpp:14–28

}

int create_tcp_sock()
{
	int fd;
	fd = socket(AF_INET, SOCK_STREAM, 0);
	if (fd < 0) {
		fprintf(stderr, "create tcp socket failed, error: %m\n");
		return -1;
	}
	if (set_fd_nonblock(fd) == -1) {
		fprintf(stderr, "set tcp socket nonblock failed\n");
		return -1;
	}

	return fd;
}

void echo(void *arg)
{