Merge pull request wasmerio#5285 from wasmerio/fix/mkdir-rename-mkdir

Fix handling of the root path in WasiFS resulting in a bad inode structure

deny.toml

@@ -103,6 +103,7 @@ allow = [
     # BOOST source license
     # NOTE: not to be confused with business source license!
     "BSL-1.0",
+    "Unicode-3.0",
 ]
 # The confidence threshold for detecting a license from license text.
 # The higher the value, the more closely the license text must be to the
@@ -138,7 +139,7 @@ exceptions = [
 [[licenses.clarify]]
 crate = "ring"
 expression = "MIT AND ISC AND OpenSSL"
-license-files = [ { path = "LICENSE", hash = 0xbd0eed23 } ]
+license-files = [{ path = "LICENSE", hash = 0xbd0eed23 }]
 
 [licenses.private]
 # If true, ignores workspace crates that aren't published, or are only

lib/virtual-io/src/selector.rs

@@ -134,7 +134,14 @@ impl Selector {
         let mut events = mio::Events::with_capacity(128);
         loop {
             // Wait for an event to trigger
-            poll.poll(&mut events, None).unwrap();
+            if let Err(e) = poll.poll(&mut events, None) {
+                // This can happen when a debugger is attached
+                #[cfg(debug_assertions)]
+                if e.kind() == std::io::ErrorKind::Interrupted {
+                    continue;
+                }
+                panic!("Unexpected error in selector poll loop: {e:?}");
+            }
 
             // Loop through all the events while under a guard lock
             let mut guard = engine.inner.lock().unwrap();

lib/wasix/src/fs/fd.rs

@@ -62,7 +62,7 @@ impl Fd {
 pub struct InodeVal {
     pub stat: RwLock<Filestat>,
     pub is_preopened: bool,
-    pub name: Cow<'static, str>,
+    pub name: RwLock<Cow<'static, str>>,
     pub kind: RwLock<Kind>,
 }
 

lib/wasix/src/fs/fd_list.rs

@@ -218,7 +218,7 @@ mod tests {
                 inner: Arc::new(InodeVal {
                     is_preopened: false,
                     kind: RwLock::new(Kind::Buffer { buffer: vec![] }),
-                    name: Cow::Borrowed(""),
+                    name: RwLock::new(Cow::Borrowed("")),
                     stat: RwLock::new(Default::default()),
                 }),
             },