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Fix(lib/win/thread): Ensure <code>Sleep</code>'s usage passes over the requested duration under Win7

A-threadArea: `std::thread`Area: `std::thread`

A-timeArea: TimeArea: Time

C-bugCategory: This is a bug.Category: This is a bug.

I-flaky-testIssue: A test is flaky/unreliable/spuriously failsIssue: A test is flaky/unreliable/spuriously fails

O-windows-7OS: Windows 7 or Windows Server 2008 R2 or etc.OS: Windows 7 or Windows Server 2008 R2 or etc.

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open (in progress).

rust-lang/rustnumber 150842

#150842 In rust-lang/rust;

· PaulDance opened on Jan 8, 2026

The <code>thread::sleep_until</code> test frequently fails under Windows 7

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and tools

A-threadArea: `std::thread`Area: `std::thread`

A-timeArea: TimeArea: Time

C-bugCategory: This is a bug.Category: This is a bug.

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

F-sleep_until`#![feature(sleep_until)]``#![feature(sleep_until)]`

I-flaky-testIssue: A test is flaky/unreliable/spuriously failsIssue: A test is flaky/unreliable/spuriously fails

O-windows-7OS: Windows 7 or Windows Server 2008 R2 or etc.OS: Windows 7 or Windows Server 2008 R2 or etc.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#149935 In rust-lang/rust;

· PaulDance opened on Dec 13, 2025

thread spawn is broken on wasm32-wasip1-threads for building library

A-threadArea: `std::thread`Area: `std::thread`

C-bugCategory: This is a bug.Category: This is a bug.

O-wasiOperating system: Wasi, Webassembly System InterfaceOperating system: Wasi, Webassembly System Interface

O-wasip1-threadsOperating system: *-wasmp1-threads, WASI Preview1 with atomics and threadsOperating system: *-wasmp1-threads, WASI Preview1 with atomics and threads

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#146843 In rust-lang/rust;

· oligamiq opened on Sep 21, 2025

thread spawn is broken on wasm32-wasip1-threads stable and beta

A-threadArea: `std::thread`Area: `std::thread`

C-bugCategory: This is a bug.Category: This is a bug.

O-wasiOperating system: Wasi, Webassembly System InterfaceOperating system: Wasi, Webassembly System Interface

O-wasip1-threadsOperating system: *-wasmp1-threads, WASI Preview1 with atomics and threadsOperating system: *-wasmp1-threads, WASI Preview1 with atomics and threads

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#146721 In rust-lang/rust;

· oligamiq opened on Sep 18, 2025

Diagnostic improvement request: Enums that contain non-Send aliased types produce confusing error messages

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-enumArea: Enums (discriminated unions, or more generally ADTs (algebraic data types))Area: Enums (discriminated unions, or more generally ADTs (algebraic data types))

A-threadArea: `std::thread`Area: `std::thread`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#146016 In rust-lang/rust;

· mutexlox-signal opened on Aug 29, 2025

error: cached cgu 0x4a9cmec5w3kmvnwylp7mwkt should have an object file, but doesn't

A-codegenArea: Code generationArea: Code generation

A-threadArea: `std::thread`Area: `std::thread`

C-bugCategory: This is a bug.Category: This is a bug.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#145800 In rust-lang/rust;

· styris-ame opened on Aug 23, 2025

<code>std::thread::available_parallelism</code> should respect process affinity and job object limitations

A-threadArea: `std::thread`Area: `std::thread`

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

O-windowsOperating system: WindowsOperating system: Windows

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#143709 In rust-lang/rust;

· Fulgen301 opened on Jul 9, 2025

Bug in std::thread::spawn causing "failed to spawn thread: Os { code: 22, kind: InvalidInput, message: 'Invalid argument' }"

A-threadArea: `std::thread`Area: `std::thread`

S-needs-infoStatus: The issue lacks details necessary to triage or act on it.Status: The issue lacks details necessary to triage or act on it.

S-needs-reproStatus: This issue has no reproduction and needs a reproduction to make progress.Status: This issue has no reproduction and needs a reproduction to make progress.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#142820 In rust-lang/rust;

· chengshuyi opened on Jun 21, 2025

<code>thread::scope</code> clobbers the panic payload

A-panicArea: Panicking machineryArea: Panicking machinery

A-threadArea: `std::thread`Area: `std::thread`

C-bugCategory: This is a bug.Category: This is a bug.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#139017 In rust-lang/rust;

· SludgePhD opened on Mar 27, 2025

Valgrind leak check reports a "possibly lost" leak on <code>std::thread::current()</code>

A-threadArea: `std::thread`Area: `std::thread`

A-valgrind-full-leakArea: memory leaks detected by valgrind leak-check=fullArea: memory leaks detected by valgrind leak-check=full

C-bugCategory: This is a bug.Category: This is a bug.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#135608 In rust-lang/rust;

· purplesyringa opened on Jan 17, 2025

Tracking Issue for thread spawn hooks

A-threadArea: `std::thread`Area: `std::thread`

A-thread-localsArea: Thread local storage (TLS)Area: Thread local storage (TLS)

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

F-thread_spawn_hook`#![feature(thread_spawn_hook)]``#![feature(thread_spawn_hook)]`

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#132951 In rust-lang/rust;

· m-ou-se opened on Nov 12, 2024

Poorly-documented safety assumptions in <code>unix::stack_overflow::init</code>

A-runtimeArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflowsArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflows

A-stack-probeArea: Stack probing and guard pagesArea: Stack probing and guard pages

A-threadArea: `std::thread`Area: `std::thread`

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#127841 In rust-lang/rust;

· workingjubilee opened on Jul 17, 2024