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Implement sched_yield. #1050

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May 18, 2019
Merged

Implement sched_yield. #1050

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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
([#1045](https://github.com/nix-rust/nix/pull/1045))
- Add `forkpty`
([#1042](https://github.com/nix-rust/nix/pull/1042))
- Add `sched_yield`
([#1050](https://github.com/nix-rust/nix/pull/1050))

### Changed
- `PollFd` event flags renamed to `PollFlags` ([#1024](https://github.com/nix-rust/nix/pull/1024/))
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11 changes: 11 additions & 0 deletions src/sched.rs
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Expand Up @@ -85,6 +85,17 @@ pub fn sched_setaffinity(pid: Pid, cpuset: &CpuSet) -> Result<()> {
Errno::result(res).map(drop)
}

/// Explicitly yield the processor to other threads.
///
/// [Further reading](http://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_yield.html)
pub fn sched_yield() -> Result<()> {
let res = unsafe {
libc::sched_yield()
};

Errno::result(res).map(drop)
}

pub fn clone(mut cb: CloneCb,
stack: &mut [u8],
flags: CloneFlags,
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