Enum SHMPermission 

#[repr(C)]
pub enum SHMPermission {
    Map = 0,
    Read = 1,
    Write = 2,
    Transfer = 3,
}

Permission model definition for shared memories

Variants

Map = 0

allows target process to map the SHM. No read nor write though

Read = 1

allows target process to read the mapped SHM. Requires MAP

Write = 2

allows target process to write shared memory. Requires MAP

Transfer = 3

allows target process to transfer SHM to another, pre-allowed, process

Trait Implementations

impl From<SHMPermission> for u32

Converter for SHM permission to register encoding (u32)

fn from(shm_perm: SHMPermission) -> u32

Converts to this type from the input type.