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//! Rust implementation of the `CPU_*` macro API.
#![allow(non_snake_case)]
use super::types::{RawCpuSet, CPU_SETSIZE};
use crate::backend::c;
#[inline]
pub(crate) fn CPU_SET(cpu: usize, cpuset: &mut RawCpuSet) {
assert!(
cpu < CPU_SETSIZE,
"cpu out of bounds: the cpu max is {} but the cpu is {}",
CPU_SETSIZE,
cpu
);
unsafe { c::CPU_SET(cpu, cpuset) }
}
#[inline]
pub(crate) fn CPU_ZERO(cpuset: &mut RawCpuSet) {
unsafe { c::CPU_ZERO(cpuset) }
}
#[inline]
pub(crate) fn CPU_CLR(cpu: usize, cpuset: &mut RawCpuSet) {
assert!(
cpu < CPU_SETSIZE,
"cpu out of bounds: the cpu max is {} but the cpu is {}",
CPU_SETSIZE,
cpu
);
unsafe { c::CPU_CLR(cpu, cpuset) }
}
#[inline]
pub(crate) fn CPU_ISSET(cpu: usize, cpuset: &RawCpuSet) -> bool {
assert!(
cpu < CPU_SETSIZE,
"cpu out of bounds: the cpu max is {} but the cpu is {}",
CPU_SETSIZE,
cpu
);
unsafe { c::CPU_ISSET(cpu, cpuset) }
}
#[cfg(linux_kernel)]
#[inline]
pub(crate) fn CPU_COUNT(cpuset: &RawCpuSet) -> u32 {
unsafe { c::CPU_COUNT(cpuset).try_into().unwrap() }
}
#[inline]
pub(crate) fn CPU_EQUAL(this: &RawCpuSet, that: &RawCpuSet) -> bool {
#[cfg(any(linux_like, target_os = "fuchsia", target_os = "hurd"))]
unsafe {
c::CPU_EQUAL(this, that)
}
#[cfg(not(any(linux_like, target_os = "fuchsia", target_os = "hurd")))]
unsafe {
for i in 0..c::CPU_SETSIZE as usize {
if c::CPU_ISSET(i, this) != c::CPU_ISSET(i, that) {
return false;
}
}
true
}
}