Trait CheckLibcZero 

pub trait CheckLibcZero {
    // Required method
    fn check_libc_zero(self) -> Result<()>;
}

libc convention where 0 means success and any non-zero value indicates failure (with errno set). Used by APIs like sigemptyset, sigaction, pthread_*, etc.

Required Methods

fn check_libc_zero(self) -> Result<()>

Returns Ok(()) if self == 0, otherwise the current errno as an io::Error.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl CheckLibcZero for i32

fn check_libc_zero(self) -> Result<()>

impl CheckLibcZero for i64

fn check_libc_zero(self) -> Result<()>

impl CheckLibcZero for isize

fn check_libc_zero(self) -> Result<()>

Implementors