Function mlock_graceful_on_linux

nodedb-wal/src/secure_mem.rs:110–117

()

    #[test]
    #[cfg(all(unix, not(target_arch = "wasm32")))]
    fn mlock_graceful_on_linux() {
        // mlock with a stack pointer that may or may not succeed depending on
        // RLIMIT_MEMLOCK. Either way we must not panic.
        let mut buf = [0u8; 32];
        mlock_best_effort(buf.as_mut_ptr() as *mut libc::c_void, 32);
        munlock_best_effort(buf.as_mut_ptr() as *mut libc::c_void, 32);
        // Success = no panic.
    }
}