diff options
Diffstat (limited to 'vendor/rustix/src/io/procfs.rs')
| -rw-r--r-- | vendor/rustix/src/io/procfs.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/vendor/rustix/src/io/procfs.rs b/vendor/rustix/src/io/procfs.rs index c6eeb08e0..605354759 100644 --- a/vendor/rustix/src/io/procfs.rs +++ b/vendor/rustix/src/io/procfs.rs @@ -181,10 +181,10 @@ fn check_procfs(file: BorrowedFd<'_>) -> io::Result<()> { Ok(()) } -/// Check whether the given directory handle is a mount point. We use a -/// `renameat` call that would otherwise fail, but which fails with `EXDEV` -/// first if it would cross a mount point. +/// Check whether the given directory handle is a mount point. fn is_mountpoint(file: BorrowedFd<'_>) -> bool { + // We use a `renameat` call that would otherwise fail, but which fails with + // `XDEV` first if it would cross a mount point. let err = renameat(file, cstr!("../."), file, cstr!(".")).unwrap_err(); match err { io::Errno::XDEV => true, // the rename failed due to crossing a mount point |