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Warn against thread::sleep in async fn #72141

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Merged
merged 1 commit into from
May 14, 2020
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Warn against thread::sleep in async fn #72141

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4 changes: 4 additions & 0 deletions src/libstd/thread/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -737,6 +737,8 @@ pub fn panicking() -> bool {
/// The thread may sleep longer than the duration specified due to scheduling
/// specifics or platform-dependent functionality. It will never sleep less.
///
/// This function is blocking, and should not be used in `async` functions.
///
/// # Platform-specific behavior
///
/// On Unix platforms, the underlying syscall may be interrupted by a
Expand All @@ -763,6 +765,8 @@ pub fn sleep_ms(ms: u32) {
/// The thread may sleep longer than the duration specified due to scheduling
/// specifics or platform-dependent functionality. It will never sleep less.
///
/// This function is blocking, and should not be used in `async` functions.
///
/// # Platform-specific behavior
///
/// On Unix platforms, the underlying syscall may be interrupted by a
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