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libstd: rustdoc: correct note on fds 0/1/2 pre-main

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Closes: #137490
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2025-02-23 18:57:10 +01:00
parent b522e7c5ea
commit 74ec86248a
1 changed files with 3 additions and 1 deletions
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library/std/src/lib.rs
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@@ -174,7 +174,9 @@
//! //!
//! - after-main use of thread-locals, which also affects additional features: //! - after-main use of thread-locals, which also affects additional features:
//! - [`thread::current()`] //! - [`thread::current()`]
//! - before-main stdio file descriptors are not guaranteed to be open on unix platforms //! - under UNIX, before main, file descriptors 0, 1, and 2 may be unchanged
//! (they are guaranteed to be open during main,
//! and are opened to /dev/null O_RDWR if they weren't open on program start)
//! //!
//! //!
//! [I/O]: io //! [I/O]: io