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mri: add track_caller to thread spawning methods for better backtraces

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This commit is contained in:
Ralf Jung 2024-12-20 15:03:51 +01:00
parent 5dfe648b45
commit 8b2b6359f9
3 changed files with 6 additions and 0 deletions
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4
library/std/src/thread/mod.rs
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@ -391,6 +391,7 @@ impl Builder {
/// handler.join().unwrap();
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
pub fn spawn<F, T>(self, f: F) -> io::Result<JoinHandle<T>>
where
F: FnOnce() -> T,
@ -458,6 +459,7 @@ impl Builder {
///
/// [`io::Result`]: crate::io::Result
#[stable(feature = "thread_spawn_unchecked", since = "1.82.0")]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
pub unsafe fn spawn_unchecked<F, T>(self, f: F) -> io::Result<JoinHandle<T>>
where
F: FnOnce() -> T,
@ -467,6 +469,7 @@ impl Builder {
Ok(JoinHandle(unsafe { self.spawn_unchecked_(f, None) }?))
}
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
unsafe fn spawn_unchecked_<'scope, F, T>(
self,
f: F,
@ -721,6 +724,7 @@ impl Builder {
/// [`join`]: JoinHandle::join
/// [`Err`]: crate::result::Result::Err
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
pub fn spawn<F, T>(f: F) -> JoinHandle<T>
where
F: FnOnce() -> T,