1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/libc/thread/cpu_set.rs b/vendor/rustix/src/backend/libc/thread/cpu_set.rs
new file mode 100644
index 00000000..30473b70
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/thread/cpu_set.rs
@@ -0,0 +1,68 @@
+//! 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
+    }
+}