rustix/backend/linux_raw/ugid/
syscalls.rs

1//! linux_raw syscalls for UIDs and GIDs
2//!
3//! # Safety
4//!
5//! See the `rustix::backend` module documentation for details.
6#![allow(unsafe_code, clippy::undocumented_unsafe_blocks)]
7
8use crate::backend::c;
9use crate::backend::conv::ret_usize_infallible;
10use crate::ugid::{Gid, Uid};
11
12#[inline]
13pub(crate) fn getuid() -> Uid {
14    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
15    unsafe {
16        let uid = ret_usize_infallible(syscall_readonly!(__NR_getuid32)) as c::uid_t;
17        Uid::from_raw(uid)
18    }
19    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
20    unsafe {
21        let uid = ret_usize_infallible(syscall_readonly!(__NR_getuid)) as c::uid_t;
22        Uid::from_raw(uid)
23    }
24}
25
26#[inline]
27pub(crate) fn geteuid() -> Uid {
28    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
29    unsafe {
30        let uid = ret_usize_infallible(syscall_readonly!(__NR_geteuid32)) as c::uid_t;
31        Uid::from_raw(uid)
32    }
33    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
34    unsafe {
35        let uid = ret_usize_infallible(syscall_readonly!(__NR_geteuid)) as c::uid_t;
36        Uid::from_raw(uid)
37    }
38}
39
40#[inline]
41pub(crate) fn getgid() -> Gid {
42    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
43    unsafe {
44        let gid = ret_usize_infallible(syscall_readonly!(__NR_getgid32)) as c::gid_t;
45        Gid::from_raw(gid)
46    }
47    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
48    unsafe {
49        let gid = ret_usize_infallible(syscall_readonly!(__NR_getgid)) as c::gid_t;
50        Gid::from_raw(gid)
51    }
52}
53
54#[inline]
55pub(crate) fn getegid() -> Gid {
56    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
57    unsafe {
58        let gid = ret_usize_infallible(syscall_readonly!(__NR_getegid32)) as c::gid_t;
59        Gid::from_raw(gid)
60    }
61    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
62    unsafe {
63        let gid = ret_usize_infallible(syscall_readonly!(__NR_getegid)) as c::gid_t;
64        Gid::from_raw(gid)
65    }
66}
rustix/backend/linux_raw/ugid/syscalls.rs

rustix/backend/linux_raw/ugid/
syscalls.rs
