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typos and wording

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Co-authored-by: Dan Gohman <dev@sunfishcode.online>
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Ralf Jung 2023-08-22 08:57:38 +02:00 committed by GitHub
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library/std/src/io/mod.rs
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@ -244,9 +244,9 @@
//! means that file descriptors can be *exclusively owned*. (Here, "file descriptor" is meant to
//! subsume similar concepts that exist across a wide range of operating systems even if they might
//! use a different name, such as "handle".) An exclusively owned file descriptor is one that no
//! other code is allowed to access in any way, but the owner is allowed to a access and even close
//! other code is allowed to access in any way, but the owner is allowed to access and even close
//! it any time. A type that owns its file descriptor should usually close it in its `drop`
//! function. Types like [`File`] generally own their file descriptor. Similarly, file descriptors
//! function. Types like [`File`] own their file descriptor. Similarly, file descriptors
//! can be *borrowed*, granting the temporary right to perform operations on this file descriptor.
//! This indicates that the file descriptor will not be closed for the lifetime of the borrow, but
//! it does *not* imply any right to close this file descriptor, since it will likely be owned by
@ -270,7 +270,7 @@
//! some operating systems). File descriptors basically work like [`Arc`]: when you receive an owned
//! file descriptor, you cannot know whether there are any other file descriptors that reference the
//! same kernel object. However, when you create a new kernel object, you know that you are holding
//! the only reference to it. Just be careful not to borrow it to anyone, since they can obtain a
//! the only reference to it. Just be careful not to lend it to anyone, since they can obtain a
//! clone and then you can no longer know what the reference count is! In that sense, [`OwnedFd`] is
//! like `Arc` and [`BorrowedFd<'a>`] is like `&'a Arc` (and similar for the Windows types). There
//! is no equivalent to `Box` for file descriptors in the standard library (that would be a type