give sychronous ResourceLimiter an async alternative

tests/all/limits.rs

@@ -300,7 +300,6 @@ impl ResourceLimiter for MemoryContext {
         self.wasm_memory_used = desired;
         true
     }
-
     fn table_growing(&mut self, _current: u32, _desired: u32, _maximum: Option<u32>) -> bool {
         true
     }
@@ -401,11 +400,9 @@ impl ResourceLimiter for MemoryGrowFailureDetector {
         self.desired = desired;
         true
     }
-
     fn memory_grow_failed(&mut self, err: &anyhow::Error) {
         self.error = Some(err.to_string());
     }
-
     fn table_growing(&mut self, _current: u32, _desired: u32, _maximum: Option<u32>) -> bool {
         true
     }

tests/all/memory.rs

@@ -311,12 +311,16 @@ fn massive_64_bit_still_limited() -> Result<()> {
     }
 
     impl ResourceLimiter for MyLimiter {
-        fn memory_growing(&mut self, _request: usize, _min: usize, _max: Option<usize>) -> bool {
+        fn memory_growing(
+            &mut self,
+            _current: usize,
+            _request: usize,
+            _max: Option<usize>,
+        ) -> bool {
             self.hit = true;
             true
         }
-
-        fn table_growing(&mut self, _request: u32, _min: u32, _max: Option<u32>) -> bool {
+        fn table_growing(&mut self, _current: u32, _request: u32, _max: Option<u32>) -> bool {
             unreachable!()
         }
     }

tests/rlimited-memory.rs

@@ -18,11 +18,9 @@ impl ResourceLimiter for MemoryGrowFailureDetector {
         self.desired = desired;
         true
     }
-
     fn memory_grow_failed(&mut self, err: &anyhow::Error) {
         self.error = Some(err.to_string());
     }
-
     fn table_growing(&mut self, _current: u32, _desired: u32, _maximum: Option<u32>) -> bool {
         true
     }