Implement Socket::take_error for Hermit

mkroening · mkroening · commit af5355cc91fb · 2025-09-11T09:05:17.000+02:00
diff --git a/library/std/src/sys/net/connection/socket/hermit.rs b/library/std/src/sys/net/connection/socket/hermit.rs
@@ -304,7 +304,8 @@ impl Socket {
     }
 
     pub fn take_error(&self) -> io::Result<Option<io::Error>> {
-        unimplemented!()
+        let raw: c_int = getsockopt(self, libc::SOL_SOCKET, libc::SO_ERROR)?;
+        if raw == 0 { Ok(None) } else { Ok(Some(io::Error::from_raw_os_error(raw as i32))) }
     }
 
     // This is used by sys_common code to abstract over Windows and Unix.

Original file line number	Diff line number	Diff line change
`@@ -304,7 +304,8 @@ impl Socket {`
`304`	`304`	`}`
`305`	`305`
`306`	`306`	`pub fn take_error(&self) -> io::Result<Option<io::Error>> {`
`307`		`- unimplemented!()`
	`307`	`+ let raw: c_int = getsockopt(self, libc::SOL_SOCKET, libc::SO_ERROR)?;`
	`308`	`+ if raw == 0 { Ok(None) } else { Ok(Some(io::Error::from_raw_os_error(raw as i32))) }`
`308`	`309`	`}`
`309`	`310`
`310`	`311`	`// This is used by sys_common code to abstract over Windows and Unix.`