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Diffstat (limited to 'vendor/rustix/src/rand/getrandom.rs')
| -rw-r--r-- | vendor/rustix/src/rand/getrandom.rs | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/vendor/rustix/src/rand/getrandom.rs b/vendor/rustix/src/rand/getrandom.rs deleted file mode 100644 index 69af9a3d..00000000 --- a/vendor/rustix/src/rand/getrandom.rs +++ /dev/null @@ -1,33 +0,0 @@ -//! Wrappers for `getrandom`. - -#![allow(unsafe_code)] - -use crate::buffer::Buffer; -use crate::{backend, io}; - -pub use backend::rand::types::GetRandomFlags; - -/// `getrandom(buf, flags)`—Reads a sequence of random bytes. -/// -/// This is a very low-level API which may be difficult to use correctly. Most -/// users should prefer to use [`getrandom`] or [`rand`] APIs instead. -/// -/// This function is implemented using a system call, and not the -/// [vDSO mechanism] introduced in Linux 6.11. See [#1185] for details. -/// -/// [`getrandom`]: https://crates.io/crates/getrandom -/// [`rand`]: https://crates.io/crates/rand -/// [vDSO mechanism]: https://lwn.net/Articles/983186/ -/// [#1185]: https://github.com/bytecodealliance/rustix/issues/1185 -/// -/// # References -/// - [Linux] -/// -/// [Linux]: https://man7.org/linux/man-pages/man2/getrandom.2.html -#[inline] -pub fn getrandom<Buf: Buffer<u8>>(mut buf: Buf, flags: GetRandomFlags) -> io::Result<Buf::Output> { - // SAFETY: `getrandom` behaves. - let len = unsafe { backend::rand::syscalls::getrandom(buf.parts_mut(), flags)? }; - // SAFETY: `getrandom` behaves. - unsafe { Ok(buf.assume_init(len)) } -} |