diff options
Diffstat (limited to 'vendor/rustix/src/backend/linux_raw/system/syscalls.rs')
-rw-r--r-- | vendor/rustix/src/backend/linux_raw/system/syscalls.rs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/system/syscalls.rs b/vendor/rustix/src/backend/linux_raw/system/syscalls.rs new file mode 100644 index 0000000..6b41cdb --- /dev/null +++ b/vendor/rustix/src/backend/linux_raw/system/syscalls.rs @@ -0,0 +1,49 @@ +//! linux_raw syscalls supporting `rustix::system`. +//! +//! # Safety +//! +//! See the `rustix::backend` module documentation for details. +#![allow(unsafe_code, clippy::undocumented_unsafe_blocks)] + +use super::types::RawUname; +use crate::backend::c; +use crate::backend::conv::{c_int, ret, ret_infallible, slice}; +use crate::io; +use crate::system::{RebootCommand, Sysinfo}; +use core::mem::MaybeUninit; + +#[inline] +pub(crate) fn uname() -> RawUname { + let mut uname = MaybeUninit::<RawUname>::uninit(); + unsafe { + ret_infallible(syscall!(__NR_uname, &mut uname)); + uname.assume_init() + } +} + +#[inline] +pub(crate) fn sysinfo() -> Sysinfo { + let mut info = MaybeUninit::<Sysinfo>::uninit(); + unsafe { + ret_infallible(syscall!(__NR_sysinfo, &mut info)); + info.assume_init() + } +} + +#[inline] +pub(crate) fn sethostname(name: &[u8]) -> io::Result<()> { + let (ptr, len) = slice(name); + unsafe { ret(syscall_readonly!(__NR_sethostname, ptr, len)) } +} + +#[inline] +pub(crate) fn reboot(cmd: RebootCommand) -> io::Result<()> { + unsafe { + ret(syscall_readonly!( + __NR_reboot, + c_int(c::LINUX_REBOOT_MAGIC1), + c_int(c::LINUX_REBOOT_MAGIC2), + c_int(cmd as i32) + )) + } +} |