Method drop

nodedb-vector/src/mmap_segment/reader.rs:456–475

(&mut self)

impl Drop for MmapVectorSegment {
    fn drop(&mut self) {
        if !self.base.is_null() && self.mmap_size > 0 {
            if self.drop_policy.dontneed_on_drop() {
                let data_bytes = self.mmap_size.saturating_sub(HEADER_SIZE + FOOTER_SIZE);
                if data_bytes > 0 {
                    unsafe {
                        libc::madvise(
                            self.base as *mut libc::c_void,
                            self.mmap_size,
                            libc::MADV_DONTNEED,
                        );
                    }
                    observability::DONTNEED_COUNT.fetch_add(1, Ordering::Relaxed);
                }
            }
            unsafe {
                libc::munmap(self.base as *mut libc::c_void, self.mmap_size);
            }
        }
    }
}

#[cfg(test)]