linux.py 文件源码

def sys_recv(self, sockfd, buf, count, flags):
        try:
            sock = self.files[sockfd]
        except IndexError:
            return -errno.EINVAL

        if not isinstance(sock, Socket):
            return -errno.ENOTSOCK

        data = sock.read(count)
        self.current.write_bytes(buf, data)
        self.syscall_trace.append(("_recv", sockfd, data))

        return len(data)