CONFIG_ERRNO:

Enable per-thread errno in the kernel. Application and library code must include errno.h provided by the C library (libc) to use the errno symbol. The C library must access the per-thread errno via the _get_errno() symbol.

Symbol:

ERRNO

Type:

bool

Value:

“y”

User value:

(no user value)

Visibility:

“y”

Is choice item:

false

Is defined:

true

Is from env.:

false

Is special:

false

Prompts:

• “Enable errno support”

Default values:

• y (value: “y”)
• Condition: (none)

Selects:

(no selects)

Reverse (select-related) dependencies:  

(no reverse dependencies)

Additional dependencies from enclosing menus and ifs:  

(no additional dependencies)

Locations:

• ../kernel/Kconfig:158