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2025-07-06sleep_until: use clock_nanosleep where possibledvdsk-16/+169
Using clock nanosleep leads to more accurate sleep times on platforms where it is supported. To enable using clock_nanosleep this makes `sleep_until` platform specific. That unfortunatly requires identical placeholder implementations for the other platforms (windows/mac/wasm etc). we will land platform specific implementations for those later. See the `sleep_until` tracking issue. This requires an accessors for the Instant type. As that accessor is only used on the platforms that have clock_nanosleep it is marked as allow_unused. 32bit time_t targets do not use clock_nanosleep atm, they instead rely on the same placeholder as the other platforms. We could make them use clock_nanosleep too in the future using `__clock_nanosleep_time64`. __clock_nanosleep_time64 is documented at: https://www.gnu.org/software/libc/manual/html_node/64_002dbit-time-symbol-handling.html
2025-07-05std: sys: net: uefi: tcp4: Implement readAyush Singh-6/+52
A blocking implementation of tcp4 read. Signed-off-by: Ayush Singh <ayush@beagleboard.org>
2025-07-05Rollup merge of #141532 - Ayush1325:uefi-tcp4-send, r=tgross35Matthias Krüger-6/+53
std: sys: net: uefi: tcp4: Implement write A blocking implementation of tcp4 write.
2025-07-04std: sys: net: uefi: tcp4: Implement writeAyush Singh-6/+53
A blocking implementation of tcp4 write. Signed-off-by: Ayush Singh <ayush@beagleboard.org>
2025-07-03setup CI and tidy to use typos for spellchecking and fix few typosklensy-8/+8
2025-07-01Upgrade the `fortanix-sgx-abi` dependencyTrevor Gross-1/+1
0.6.1 removes the `compiler-builtins` dependency, part of RUST-142265. The breaking change from 0.5 to 0.6 is for an update to the `insecure_time` API [1]. I validated that `./x c library --target x86_64-fortanix-unknown-sgx` completes successfully with this change. Link: https://github.com/fortanix/rust-sgx/commit/a34e9767f37d6585c18bdbd31cddcadc56670d57 [1]
2025-06-30Rollup merge of #143090 - ChrisDenton:workaround1, r=tgross35dianqk-21/+91
Workaround for memory unsafety in third party DLLs Resolves rust-lang/rust#143078 Note that we can't make any guarantees if third parties intercept OS functions and don't implement them according to the documentation. However, I think it's practical to attempt mitigations when issues are encountered in the wild and the mitigation itself isn't too invasive.
2025-06-28Rollup merge of #143082 - fee1-dead-contrib:push-qvvppzukvkxt, r=Mark-SimulacrumMatthias Krüger-4/+4
update internal `send_signal` comment the vxwork did not have the old comment updated in rust-lang/rust#141990 so update here; signaling -> sending signals to because the latter reads better to me.
2025-06-28Rollup merge of #123476 - devnexen:std_net_solaris_exclbind, r=Mark-SimulacrumMatthias Krüger-0/+15
std::net: adding `unix_socket_exclbind` feature for solaris/illumos. allows to have a tigher control over the binding exclusivness of the socket. ACP: https://github.com/rust-lang/libs-team/issues/366
2025-06-28Workaround for mem safety in third party dllsChris Denton-21/+91
2025-06-27update internal `send_signal` commentDeadbeef-4/+4
2025-06-25make `tidy-alphabetical` use a natural sortFolkert de Vries-3/+3
2025-06-24Rollup merge of #142453 - ChrisDenton:fused, r=AmanieuJubilee-0/+1
Windows: make `read_dir` stop iterating after the first error is encountered This also essentially makes the `ReadDir` iterator fused. Which I think is pretty much what people expect anyway. [`FindNextFileW`](https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-findnextfilew) doesn't document what happens if you call it after iteration ends or after an error so we're probably in implementation defined territory at that point.
2025-06-24Rollup merge of #140005 - mlowicki:patch-1, r=tgross35Guillaume Gomez-0/+8
Set MSG_NOSIGNAL for UnixStream https://github.com/rust-lang/rust/issues/139956 Same logic as for https://github.com/rust-lang/rust/blob/1f76d219c906f0112bb1872f33aa977164c53fa6/library/std/src/sys/net/connection/socket.rs#L399-L405.
2025-06-23Rollup merge of #141324 - Ayush1325:uefi-rand-fallback, r=joboetJubilee-19/+150
std: sys: random: uefi: Provide rdrand based fallback Some UEFI systems based on American Megatrends Inc. v3.3 do not provide RNG support [1]. So fallback to rdrand in such cases. [1]: https://github.com/rust-lang/rust/issues/138252#issuecomment-2891270323 Fixes https://github.com/rust-lang/rust/issues/138252 cc `@seijikun`
2025-06-20Rollup merge of #141990 - Qelxiros:141975-unix_send_signal, ↵Trevor Gross-8/+29
r=ChrisDenton,tgross35 Implement send_signal for unix child processes Tracking issue: rust-lang/rust#141975 There are two main differences between my implementation and the Public API section of the tracking issue. ~First, `send_signal` requires a mutable reference, like `Child::kill`.~ Second, `ChildExt` has `Sealed` as a supertrait, bringing it more in line with other extension traits like `CommandExt`. try-job: `dist-various*` try-job: `test-various*`
2025-06-19wasm: rm static mutMarijn Schouten-7/+10
2025-06-19Auto merge of #141864 - Berrysoft:cygwin-path, r=ChrisDentonbors-172/+284
Handle win32 separator for cygwin paths This PR handles a issue that cygwin actually supports Win32 path, so we need to handle the Win32 prefix and separaters. r? `@mati865` cc `@jeremyd2019` ~~Not sure if I should handle the prefix like the windows target... Cygwin *does* support win32 paths directly going through the APIs, but I think it's not the recommended way.~~ Here I just use `cygwin_conv_path` because it handles both cygwin and win32 paths correctly and convert them into absolute POSIX paths. UPDATE: Windows path prefix is handled.
2025-06-18add ChildExt(::send_signal)Jeremy Smart-8/+29
2025-06-16Set MSG_NOSIGNAL for UnixSteamMichał Łowicki-0/+8
https://github.com/rust-lang/rust/issues/139956 fix
2025-06-16Handle win32 separator & prefixes for cygwin paths王宇逸-172/+284
2025-06-15Windows: Use anonymous pipes in CommandChris Denton-86/+142
2025-06-13Windows: make read_dir stop iterating on errorChris Denton-0/+1
2025-06-10std::net: adding `unix_socket_exclbind` feature for solaris/illumos.David Carlier-0/+15
allows to have a tigher control over the binding exclusivness of the socket.
2025-06-08Rollup merge of #142053 - heiher:loong32-none, r=wesleywiserJubilee-1/+2
Add new Tier-3 targets: `loongarch32-unknown-none*` MCP: https://github.com/rust-lang/compiler-team/issues/865 NOTE: LoongArch32 ELF object support is available starting with object v0.37.0.
2025-06-06std: sys: random: uefi: Provide rdrand based fallbackAyush Singh-19/+150
Some UEFI systems based on American Megatrends Inc. v3.3 do not provide RNG support [1]. So fallback to rdrand in such cases. [1]: https://github.com/rust-lang/rust/issues/138252#issuecomment-2891270323 Signed-off-by: Ayush Singh <ayush@beagleboard.org>
2025-06-06Add new Tier-3 targets: `loongarch32-unknown-none*`WANG Rui-1/+2
MCP: https://github.com/rust-lang/compiler-team/issues/865
2025-06-06Rollup merge of #142091 - thaliaarchi:aix-getenv, r=workingjubileeMatthias Krüger-1/+1
Fix AIX build Fix rust-lang/rust#141543. `getenv` was moved out of this file to `sys::env::getenv` in rust-lang/rust#140143. Replace its usage with `std::env::var_os`, the publicly exposed version. This matches the other usages of the same function in this file.
2025-06-05Fix AIX buildThalia Archibald-1/+1
2025-06-05Optimize `Seek::stream_len` impl for `File`Tobias Bucher-0/+39
It uses the file metadata on Unix with a fallback for files incorrectly reported as zero-sized. It uses `GetFileSizeEx` on Windows. This reduces the number of syscalls needed for determining the file size of an open file from 3 to 1.
2025-06-04Rollup merge of #141467 - cyrgani:const-empty-stringlikes, r=AmanieuMatthias Krüger-2/+2
make `OsString::new` and `PathBuf::new` unstably const Since #129041, `String::into_bytes` is `const`, which allows making `OsString::new` and `PathBuf::new` unstably const now. Not sure what the exact process for this is; does it need an ACP?
2025-06-03Rollup merge of #141455 - joboet:tls_exhaustion_abort, r=tgross35Matthias Krüger-11/+10
std: abort the process on failure to allocate a TLS key The panic machinery uses TLS, so panicking if no TLS keys are left can lead to infinite recursion (see https://github.com/rust-lang/rust/issues/140798#issuecomment-2872307377). Rather than having separate logic for the panic count and the thread name, just always abort the process if a TLS key allocation fails. This also has the benefit of aligning the key-based TLS implementation with the documentation, which does not mention that a panic could also occur because of resource exhaustion.
2025-05-31If HOME is empty, use the fallback insteadChris Denton-1/+4
2025-05-31Auto merge of #141685 - orlp:inplace-tls-drop, r=joboetbors-29/+51
Do not move thread-locals before dropping Fixes rust-lang/rust#140816. I also (potentially) improved the speed of `get_or_init` a bit by having an explicit hot/cold path. We still move the value before dropping in the event of a recursive initialization (leading to double-initialization with one value being silently dropped). This is the old behavior, but changing this to panic instead would involve changing tests and also the other OS-specific `thread_local/os.rs` implementation, which is more than I'd like in this PR.
2025-05-30Address review comments.Orson Peters-0/+7
2025-05-28When replacing an old value we may not drop it in placeOrson Peters-12/+8
2025-05-28Add same unsafe bound on get_or_init_slowOrson Peters-2/+8
2025-05-28Add comments to diagnostic itemsPatrick-6-0/+6
2025-05-28Do not panic, maintain old behaviorOrson Peters-25/+17
2025-05-28Make pthread Mutex internals less publicPatrick-6-1/+1
2025-05-28Add diagnostic items to sys::MutexPatrick-6-0/+6
2025-05-28Improve safety comment, double-drop is not relevant hereOrson Peters-3/+4
2025-05-28Do not move thread-locals before droppingOrson Peters-32/+52
2025-05-27Rollup merge of #141312 - cberner:filelock_from, r=joshtriplettMatthias Krüger-8/+2
Add From<TryLockError> for io::Error Adds a `From` impl to make error propagation easier, as discussed in the tracking issue `TryLockError` is unstable under the "file_lock" feature. The related tracking issue is https://github.com/rust-lang/rust/issues/130994 This PR also cleanups the Windows implementation of `try_lock()` and `try_lock_shared()` as [discussed here](https://github.com/rust-lang/rust/pull/140718#discussion_r2076678485)
2025-05-26Rollup merge of #140936 - teor2345:wtf-surrogate-docs, r=workingjubileeJacob Pratt-3/+3
Clarify WTF-8 safety docs This PR is a follow-up to PR #140159, which clarifies ~~two things~~: - the WTF-8 safety comment [was confusing](https://github.com/rust-lang/rust/pull/140159#discussion_r2082766965), either surrogate condition is actually sufficient for safety, both are not required - ~~the private `os_str::Slice` type name is easily confused with `std::slice`~~ ~~Happy to bikeshed the `OsSlice` name, other alternatives are `OsStrSlice` and `StrSlice`. Now it's got a distinct name from `std::slice`, it's easy to search and replace.~~ cc ``@thaliaarchi`` ``@workingjubilee``
2025-05-24make `OsString::new` and `PathBuf::new` unstably constcyrgani-2/+2
2025-05-24Rollup merge of #139254 - Ayush1325:uefi-tcp4-connect, r=joboetMatthias Krüger-30/+178
std: sys: net: uefi: Implement TCP4 connect - Implement TCP4 connect using EFI_TCP4_PROTOCOL. - Tested on QEMU setup with connecting to TCP server on host.
2025-05-24Rollup merge of #141405 - RalfJung:GetUserProfileDirectoryW, r=ChrisDentonMatthias Krüger-2/+0
GetUserProfileDirectoryW is now documented to always store the size Update to match https://github.com/MicrosoftDocs/sdk-api/pull/1810 Also fix a bug in the Miri implementation while I am starting at that code... r? ```@ChrisDenton``` Fixes #141254
2025-05-23GetUserProfileDirectoryW is now documented to always store the sizeRalf Jung-2/+0
2025-05-23Rollup merge of #141398 - Dannyyy93:typos, r=NoratriebMatthias Krüger-2/+2
chore: fix typos in comment ## Fix Typos in Comments This PR addresses several typos in the Rust standard library's documentation comments: - In `library/std/src/sync/mpmc/list.rs`: Corrected "attemped" to "attempted" - In `library/std/src/sys/thread_local/guard/key.rs`: Fixed "defering" to "deferring" - In `library/std/src/sys/thread_local/guard/key.rs`: Fixed "futher" to "further" These changes improve documentation readability and consistency without affecting any functional code.
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