Struct ListenFd

pub struct ListenFd {
    pub fd_base: c_int,
    pub fd_len: c_int,
    pub names: Vec<String>,
}

Captures information on file descriptors passed through the environment.

When systemd sets pre-opened file descriptors in a service unit, it passes a description of them via the environment variables.

Fields

fd_base: c_int

The first file descriptor referred to by the environment.

fd_len: c_int

The count of file descriptors referred to by the environment.

names: Vec<String>

The names / descriptors of all file descriptors, if available.

Implementations

impl ListenFd

pub fn new() -> Option<Result<Self, Error>>

Available on crate features std and libc only.

Capture and translate the systemd standard environment variables.