Add lifetime to System

src/helper.rs

@@ -66,16 +66,16 @@ impl AdlxFunctions {
     }
 }
 
-pub struct AdlxHelper {
+pub struct AdlxHelper<'lib> {
     functions: AdlxFunctions,
 
-    system: super::system::System,
+    system: super::system::System<'lib>,
 
     full_version: u64,
     version: String,
 }
 
-impl AdlxHelper {
+impl AdlxHelper<'_> {
     pub fn new() -> Result<Self> {
         let functions = unsafe { AdlxFunctions::load()? };
 
@@ -102,7 +102,7 @@ impl AdlxHelper {
 
             System::from_raw(system)
         };
-        
+
         Ok(AdlxHelper {
             functions,
 
@@ -125,7 +125,7 @@ impl AdlxHelper {
     }
 }
 
-impl Drop for AdlxHelper {
+impl Drop for AdlxHelper<'_> {
     fn drop(&mut self) {
         // SAFETY: Nullity checked at load-time
         let result = unsafe { (self.functions.terminate_fn.unwrap_unchecked())() };

src/system.rs

@@ -1,4 +1,4 @@
-use std::mem::MaybeUninit;
+use std::{marker::PhantomData, mem::MaybeUninit};
 
 use super::{
     ffi,
@@ -15,12 +15,12 @@ use super::{
 #[derive(Debug)]
 #[repr(transparent)]
 #[doc(alias = "IADLXSystem")]
-pub struct System(*mut ffi::IADLXSystem);
+pub struct System<'lib>(*mut ffi::IADLXSystem, PhantomData<&'lib ()>);
 
-unsafe impl Send for System {}
-unsafe impl Sync for System {}
+unsafe impl Send for System<'_> {}
+unsafe impl Sync for System<'_> {}
 
-impl System {
+impl System<'_> {
     /// Creates an [`Interface`] by taking ownership of the `raw` COM/ADLX interface pointer.
     ///
     /// # Safety
@@ -29,7 +29,7 @@ impl System {
     /// pointer. In other words, it must point to a vtable beginning with the
     /// [`ffi::IADLXSystemVtbl`] function pointers.
     pub(crate) unsafe fn from_raw(raw: *mut ffi::IADLXSystem) -> Self {
-        Self(raw)
+        Self(raw, PhantomData)
     }
 
     fn vtable(&self) -> &ffi::IADLXSystemVtbl {