kmc-solid: Add a stub implementation of File::set_times

Author: kawadakk

library/std/src/sys/solid/fs.rs

@@ -77,6 +77,9 @@ pub struct OpenOptions {
     custom_flags: i32,
 }
 
+#[derive(Copy, Clone, Debug, Default)]
+pub struct FileTimes {}
+
 #[derive(Clone, PartialEq, Eq, Debug)]
 pub struct FilePermissions(c_short);
 
@@ -126,6 +129,11 @@ impl FilePermissions {
     }
 }
 
+impl FileTimes {
+    pub fn set_accessed(&mut self, _t: SystemTime) {}
+    pub fn set_modified(&mut self, _t: SystemTime) {}
+}
+
 impl FileType {
     pub fn is_dir(&self) -> bool {
         self.is(abi::S_IFDIR)
@@ -452,6 +460,10 @@ impl File {
     pub fn set_permissions(&self, _perm: FilePermissions) -> io::Result<()> {
         unsupported()
     }
+
+    pub fn set_times(&self, _times: FileTimes) -> io::Result<()> {
+        unsupported()
+    }
 }
 
 impl Drop for File {