rustix/backend/linux_raw/pid/
syscalls.rs

1//! linux_raw syscalls for PIDs
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::conv::ret_usize_infallible;
9use crate::pid::{Pid, RawPid};
10
11#[inline]
12#[must_use]
13pub(crate) fn getpid() -> Pid {
14    unsafe {
15        let pid = ret_usize_infallible(syscall_readonly!(__NR_getpid)) as RawPid;
16        Pid::from_raw_unchecked(pid)
17    }
18}