cp: make test_closes_file_descriptors Linux-only

tests/by-util/test_cp.rs

@@ -24,8 +24,6 @@ use std::path::PathBuf;
 
 #[cfg(any(target_os = "linux", target_os = "android"))]
 use filetime::FileTime;
-#[cfg(any(target_os = "linux", target_os = "android"))]
-use rlimit::Resource;
 #[cfg(target_os = "linux")]
 use std::ffi::OsString;
 #[cfg(any(target_os = "linux", target_os = "android"))]
@@ -2120,10 +2118,11 @@ fn test_cp_reflink_insufficient_permission() {
         .stderr_only("cp: 'unreadable' -> 'existing_file.txt': Permission denied (os error 13)\n");
 }
 
-#[cfg(any(target_os = "linux", target_os = "android"))]
+#[cfg(target_os = "linux")]
 #[test]
 fn test_closes_file_descriptors() {
     use procfs::process::Process;
+    use rlimit::Resource;
     let me = Process::myself().unwrap();
 
     // The test suite runs in parallel, we have pipe, sockets
@@ -2133,7 +2132,6 @@ fn test_closes_file_descriptors() {
     let limit_fd: u64 = number_file_already_opened + 9;
 
     // For debugging purposes:
-    #[cfg(not(target_os = "android"))]
     for f in me.fd().unwrap() {
         let fd = f.unwrap();
         println!("{:?} {:?}", fd, fd.mode());