summaryrefslogtreecommitdiff
path: root/rand/rand_os/src/netbsd.rs
diff options
context:
space:
mode:
Diffstat (limited to 'rand/rand_os/src/netbsd.rs')
-rw-r--r--rand/rand_os/src/netbsd.rs54
1 files changed, 0 insertions, 54 deletions
diff --git a/rand/rand_os/src/netbsd.rs b/rand/rand_os/src/netbsd.rs
deleted file mode 100644
index cf4b6c7..0000000
--- a/rand/rand_os/src/netbsd.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2018 Developers of the Rand project.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-//! Implementation for NetBSD
-
-use rand_core::Error;
-use super::random_device;
-use super::OsRngImpl;
-
-use std::fs::File;
-use std::io::Read;
-use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT, Ordering};
-
-#[derive(Clone, Debug)]
-pub struct OsRng { initialized: bool }
-
-impl OsRngImpl for OsRng {
- fn new() -> Result<OsRng, Error> {
- random_device::open("/dev/urandom", &|p| File::open(p))?;
- Ok(OsRng { initialized: false })
- }
-
- fn fill_chunk(&mut self, dest: &mut [u8]) -> Result<(), Error> {
- random_device::read(dest)
- }
-
- // Read a single byte from `/dev/random` to determine if the OS RNG is
- // already seeded. NetBSD always blocks if not yet ready.
- fn test_initialized(&mut self, dest: &mut [u8], _blocking: bool)
- -> Result<usize, Error>
- {
- static OS_RNG_INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT;
- if !self.initialized {
- self.initialized = OS_RNG_INITIALIZED.load(Ordering::Relaxed);
- }
- if self.initialized { return Ok(0); }
-
- info!("OsRng: testing random device /dev/random");
- let mut file =
- File::open("/dev/random").map_err(random_device::map_err)?;
- file.read(&mut dest[..1]).map_err(random_device::map_err)?;
-
- OS_RNG_INITIALIZED.store(true, Ordering::Relaxed);
- self.initialized = true;
- Ok(1)
- }
-
- fn method_str(&self) -> &'static str { "/dev/urandom" }
-}