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]
13#[must_use]
14pub(crate) fn getuid() -> Uid {
15    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
16    unsafe {
17        let uid = ret_usize_infallible(syscall_readonly!(__NR_getuid32)) as c::uid_t;
18        Uid::from_raw(uid)
19    }
20    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
21    unsafe {
22        let uid = ret_usize_infallible(syscall_readonly!(__NR_getuid)) as c::uid_t;
23        Uid::from_raw(uid)
24    }
25}
26
27#[inline]
28#[must_use]
29pub(crate) fn geteuid() -> Uid {
30    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
31    unsafe {
32        let uid = ret_usize_infallible(syscall_readonly!(__NR_geteuid32)) as c::uid_t;
33        Uid::from_raw(uid)
34    }
35    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
36    unsafe {
37        let uid = ret_usize_infallible(syscall_readonly!(__NR_geteuid)) as c::uid_t;
38        Uid::from_raw(uid)
39    }
40}
41
42#[inline]
43#[must_use]
44pub(crate) fn getgid() -> Gid {
45    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
46    unsafe {
47        let gid = ret_usize_infallible(syscall_readonly!(__NR_getgid32)) as c::gid_t;
48        Gid::from_raw(gid)
49    }
50    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
51    unsafe {
52        let gid = ret_usize_infallible(syscall_readonly!(__NR_getgid)) as c::gid_t;
53        Gid::from_raw(gid)
54    }
55}
56
57#[inline]
58#[must_use]
59pub(crate) fn getegid() -> Gid {
60    #[cfg(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86"))]
61    unsafe {
62        let gid = ret_usize_infallible(syscall_readonly!(__NR_getegid32)) as c::gid_t;
63        Gid::from_raw(gid)
64    }
65    #[cfg(not(any(target_arch = "arm", target_arch = "sparc", target_arch = "x86")))]
66    unsafe {
67        let gid = ret_usize_infallible(syscall_readonly!(__NR_getegid)) as c::gid_t;
68        Gid::from_raw(gid)
69    }
70}
rustix/backend/linux_raw/ugid/syscalls.rs

rustix/backend/linux_raw/ugid/
syscalls.rs
