bjoernager/rust
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auto merge of #19169 : aturon/rust/fds, r=alexcrichton

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This PR adds some internal infrastructure to allow the private `std::sys` module to access internal representation details of `std::io`.

It then exposes those details in two new, platform-specific API surfaces: `std::os::unix` and `std::os::windows`.

To start with, these will provide the ability to extract file descriptors, HANDLEs, SOCKETs, and so on from `std::io` types.

More functionality, and more specific platforms (e.g. `std::os::linux`) will be added over time.

Closes #18897
This commit is contained in:
bors 2014-11-26 08:42:09 +00:00
commit 61af402789
15 changed files with 287 additions and 19 deletions
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9
src/libstd/sys/common/mod.rs
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@ -13,7 +13,7 @@
use io::{mod, IoError, IoResult};
use prelude::*;
use sys::{last_error, retry, fs};
use sys::{last_error, retry};
use c_str::CString;
use num::Int;
use path::BytesContainer;
@ -84,10 +84,9 @@ pub fn keep_going(data: &[u8], f: |*const u8, uint| -> i64) -> i64 {
return (origamt - amt) as i64;
}
// traits for extracting representations from
pub trait AsFileDesc {
fn as_fd(&self) -> &fs::FileDesc;
// A trait for extracting representations from std::io types
pub trait AsInner<Inner> {
fn as_inner(&self) -> &Inner;
}
pub trait ProcessConfig<K: BytesContainer, V: BytesContainer> {