Function fiber_read

lib_fiber/unit_test/io/poll.cpp:31–48

}

static bool fiber_read(int fd, long long& out)
{
	if (read_wait(fd, 2) <= 0) {
		printf("read_wait error for fd=%d\r\n", fd);
		return false;
	}

	long long n;
	ssize_t ret = read(fd, &n, sizeof(n));
	if (ret != sizeof(n)) {
		printf("read from eventfd %d error %s\r\n",
			fd, acl::last_serror());
		return false;
	} else {
		out = n;
		return true;
	}
}

#endif  // __linux__