#
std/os/unix/
thread.rs

    1//! Unix-specific extensions to primitives in the [`std::thread`] module.
    2//!
    3//! [`std::thread`]: crate::thread
    4
    5#![stable(feature = "thread_extensions", since = "1.9.0")]
    6
    7#[allow(deprecated)]
    8use crate::os::unix::raw::pthread_t;
    9use crate::sys_common::{AsInner, IntoInner};
    10use crate::thread::JoinHandle;
    11
    12#[stable(feature = "thread_extensions", since = "1.9.0")]
    13#[allow(deprecated)]
    14pub type RawPthread = pthread_t;
    15
    16/// Unix-specific extensions to [`JoinHandle`].
    17#[stable(feature = "thread_extensions", since = "1.9.0")]
    18pub trait JoinHandleExt {
    19    /// Extracts the raw pthread_t without taking ownership
    20    #[stable(feature = "thread_extensions", since = "1.9.0")]
    21    fn as_pthread_t(&self) -> RawPthread;
    22
    23    /// Consumes the thread, returning the raw pthread_t
    24    ///
    25    /// This function **transfers ownership** of the underlying pthread_t to
    26    /// the caller. Callers are then the unique owners of the pthread_t and
    27    /// must either detach or join the pthread_t once it's no longer needed.
    28    #[stable(feature = "thread_extensions", since = "1.9.0")]
    29    fn into_pthread_t(self) -> RawPthread;
    30}
    31
    32#[stable(feature = "thread_extensions", since = "1.9.0")]
    33impl<T> JoinHandleExt for JoinHandle<T> {
    34    fn as_pthread_t(&self) -> RawPthread {
    35        self.as_inner().id() as RawPthread
    36    }
    37
    38    fn into_pthread_t(self) -> RawPthread {
    39        self.into_inner().into_id() as RawPthread
    40    }
    41}