diff options
Diffstat (limited to 'vendor/rustix/src/backend/linux_raw/rand')
-rw-r--r-- | vendor/rustix/src/backend/linux_raw/rand/mod.rs | 2 | ||||
-rw-r--r-- | vendor/rustix/src/backend/linux_raw/rand/syscalls.rs | 19 | ||||
-rw-r--r-- | vendor/rustix/src/backend/linux_raw/rand/types.rs | 20 |
3 files changed, 41 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/rand/mod.rs b/vendor/rustix/src/backend/linux_raw/rand/mod.rs new file mode 100644 index 0000000..1e0181a --- /dev/null +++ b/vendor/rustix/src/backend/linux_raw/rand/mod.rs @@ -0,0 +1,2 @@ +pub(crate) mod syscalls; +pub(crate) mod types; diff --git a/vendor/rustix/src/backend/linux_raw/rand/syscalls.rs b/vendor/rustix/src/backend/linux_raw/rand/syscalls.rs new file mode 100644 index 0000000..c0f497b --- /dev/null +++ b/vendor/rustix/src/backend/linux_raw/rand/syscalls.rs @@ -0,0 +1,19 @@ +//! linux_raw syscalls supporting `rustix::rand`. +//! +//! # Safety +//! +//! See the `rustix::backend` module documentation for details. +#![allow(unsafe_code, clippy::undocumented_unsafe_blocks)] + +use crate::backend::conv::{pass_usize, ret_usize}; +use crate::io; +use crate::rand::GetRandomFlags; + +#[inline] +pub(crate) unsafe fn getrandom( + buf: *mut u8, + cap: usize, + flags: GetRandomFlags, +) -> io::Result<usize> { + ret_usize(syscall!(__NR_getrandom, buf, pass_usize(cap), flags)) +} diff --git a/vendor/rustix/src/backend/linux_raw/rand/types.rs b/vendor/rustix/src/backend/linux_raw/rand/types.rs new file mode 100644 index 0000000..9bc857f --- /dev/null +++ b/vendor/rustix/src/backend/linux_raw/rand/types.rs @@ -0,0 +1,20 @@ +use bitflags::bitflags; + +bitflags! { + /// `GRND_*` flags for use with [`getrandom`]. + /// + /// [`getrandom`]: crate::rand::getrandom + #[repr(transparent)] + #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)] + pub struct GetRandomFlags: u32 { + /// `GRND_RANDOM` + const RANDOM = linux_raw_sys::general::GRND_RANDOM; + /// `GRND_NONBLOCK` + const NONBLOCK = linux_raw_sys::general::GRND_NONBLOCK; + /// `GRND_INSECURE` + const INSECURE = linux_raw_sys::general::GRND_INSECURE; + + /// <https://docs.rs/bitflags/*/bitflags/#externally-defined-flags> + const _ = !0; + } +} |