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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:21 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:21 +0000
commit4e8199b572f2035b7749cba276ece3a26630d23e (patch)
treef09feeed6a0fe39d027b1908aa63ea6b35e4b631 /vendor/sysinfo/src/apple/macos/utils.rs
parentAdding upstream version 1.66.0+dfsg1. (diff)
downloadrustc-4e8199b572f2035b7749cba276ece3a26630d23e.tar.xz
rustc-4e8199b572f2035b7749cba276ece3a26630d23e.zip
Adding upstream version 1.67.1+dfsg1.upstream/1.67.1+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/sysinfo/src/apple/macos/utils.rs')
-rw-r--r--vendor/sysinfo/src/apple/macos/utils.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/vendor/sysinfo/src/apple/macos/utils.rs b/vendor/sysinfo/src/apple/macos/utils.rs
new file mode 100644
index 000000000..ff870db55
--- /dev/null
+++ b/vendor/sysinfo/src/apple/macos/utils.rs
@@ -0,0 +1,30 @@
+// Take a look at the license at the top of the repository in the LICENSE file.
+
+use std::num::NonZeroU32;
+
+type IoObject = NonZeroU32;
+
+pub(crate) struct IOReleaser(IoObject);
+
+impl IOReleaser {
+ pub(crate) fn new(obj: u32) -> Option<Self> {
+ IoObject::new(obj).map(Self)
+ }
+
+ pub(crate) unsafe fn new_unchecked(obj: u32) -> Self {
+ // Chance at catching in-development mistakes
+ debug_assert_ne!(obj, 0);
+ Self(IoObject::new_unchecked(obj))
+ }
+
+ #[inline]
+ pub(crate) fn inner(&self) -> u32 {
+ self.0.get()
+ }
+}
+
+impl Drop for IOReleaser {
+ fn drop(&mut self) {
+ unsafe { super::ffi::IOObjectRelease(self.0.get() as _) };
+ }
+}