Files
file	seterr.h
	This header file defines macros to set `errno` and return minus one.

Macros
#define	rtems_set_errno_and_return_value(_error, _value) do { errno = ( _error ); return ( _value ); } while ( 0 )

#define	rtems_set_errno_and_return_minus_one(_error) rtems_set_errno_and_return_value( _error, -1 )

Detailed Description

Macro Definition Documentation

#define rtems_set_errno_and_return_minus_one ( _error ) rtems_set_errno_and_return_value( _error, -1 )

This is a helper macro which will set the variable errno and return -1 to the caller. This pattern is common to many POSIX methods.

Parameters

[in] _error is the error code

#define rtems_set_errno_and_return_value	(	_error,
		_value
	)	do { errno = ( _error ); return ( _value ); } while ( 0 )

This is a helper macro which will set the variable errno and return the specified value to the caller.

Parameters

[in]	_error	is the error code
[in]	_value	is the value to return