Function region::query_range
[−]
[src]
pub fn query_range(address: *const u8,
size: usize)
-> Result<Vec<Region>, Error>
Queries the OS with a range, returning the regions it contains.
The range is from address
(inclusive) to address + size
(exclusive).
Therefore a 2-byte range straddling a page boundary will return both pages
(or one region, if the pages have the same properties). The implementation
uses query
internally.
- The address is rounded down to the closest page boundary.
- The address may not be null.
Examples
let data = [0; 100]; let region = region::query_range(data.as_ptr(), data.len()).unwrap(); assert!(region.len() > 0);