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-rw-r--r--getrandom/src/linux_android.rs44
1 files changed, 0 insertions, 44 deletions
diff --git a/getrandom/src/linux_android.rs b/getrandom/src/linux_android.rs
deleted file mode 100644
index a29feb5..0000000
--- a/getrandom/src/linux_android.rs
+++ /dev/null
@@ -1,44 +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 Linux / Android
-use crate::util::LazyBool;
-use crate::util_libc::{last_os_error, sys_fill_exact};
-use crate::{use_file, Error};
-
-pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
- static HAS_GETRANDOM: LazyBool = LazyBool::new();
- if HAS_GETRANDOM.unsync_init(is_getrandom_available) {
- sys_fill_exact(dest, |buf| unsafe {
- getrandom(buf.as_mut_ptr() as *mut libc::c_void, buf.len(), 0)
- })
- } else {
- use_file::getrandom_inner(dest)
- }
-}
-
-fn is_getrandom_available() -> bool {
- let res = unsafe { getrandom(core::ptr::null_mut(), 0, libc::GRND_NONBLOCK) };
- if res < 0 {
- match last_os_error().raw_os_error() {
- Some(libc::ENOSYS) => false, // No kernel support
- Some(libc::EPERM) => false, // Blocked by seccomp
- _ => true,
- }
- } else {
- true
- }
-}
-
-unsafe fn getrandom(
- buf: *mut libc::c_void,
- buflen: libc::size_t,
- flags: libc::c_uint,
-) -> libc::ssize_t {
- libc::syscall(libc::SYS_getrandom, buf, buflen, flags) as libc::ssize_t
-}