Enum rustix::process::WaitId

#[non_exhaustive]
pub enum WaitId<'a> {
    All,
    Pid(Pid),
    Pgid(Option<Pid>),
    PidFd(BorrowedFd<'a>),
}

The identifier to wait on in a call to waitid.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

All

Wait on all processes.

Pid(Pid)

Wait for a specific process ID.

Pgid(Option<Pid>)

Wait for a specific process group ID, or the calling process’ group ID.

PidFd(BorrowedFd<'a>)

Wait for a specific process file descriptor.

Trait Implementations

impl<'a> Clone for WaitId<'a>

fn clone(&self) -> WaitId<'a>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for WaitId<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.