libbpf-rs: add map freeze

Signed-off-by: Joanne Koong <joannekoong@gmail.com>
libbpf · Jul 26, 2022 · 2d728a9 · 2d728a9
1 parent 19b146a
commit 2d728a9
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/libbpf-rs/src/map.rs b/libbpf-rs/src/map.rs
@@ -430,6 +430,12 @@ impl Map {
         util::parse_ret(ret)
     }
 
+    pub fn freeze(&self) -> Result<()> {
+        let ret = unsafe { libbpf_sys::bpf_map_freeze(self.fd) };
+
+        util::parse_ret(ret)
+    }
+
     /// Returns an iterator over keys in this map
     ///
     /// Note that if the map is not stable (stable meaning no updates or deletes) during iteration,