asio C++ library

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Gettable serial port option requirements

In the table below, X denotes a serial port option class, a denotes a value of X, ec denotes a value of type error_code, and s denotes a value of implementation-defined type storage (where storage is the type DCB on Windows and termios on POSIX platforms), and u denotes an identifier.

Table 15. GettableSerialPortOption requirements

expression

type

assertion/note
pre/post-conditions

const storage& u = s;
a.load(u, ec);

error_code

Retrieves the value of the serial port option from the storage.

If successful, sets ec such that !ec is true. If an error occurred, sets ec such that !!ec is true. Returns ec.



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