| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License.. |
| |
| #![allow(dead_code)] // not used on all platforms |
| |
| use crate::mem; |
| use sgx_libc as libc; |
| |
| pub type Key = libc::pthread_key_t; |
| |
| #[inline] |
| pub unsafe fn create(dtor: Option<unsafe extern "C" fn(*mut u8)>) -> Key { |
| let mut key = 0; |
| assert_eq!(libc::pthread_key_create(&mut key, mem::transmute(dtor)), 0); |
| key |
| } |
| |
| #[inline] |
| pub unsafe fn set(key: Key, value: *mut u8) { |
| let r = libc::pthread_setspecific(key, value as *mut _); |
| debug_assert_eq!(r, 0); |
| } |
| |
| #[inline] |
| pub unsafe fn get(key: Key) -> *mut u8 { |
| libc::pthread_getspecific(key) as *mut u8 |
| } |
| |
| #[inline] |
| pub unsafe fn destroy(key: Key) { |
| let r = libc::pthread_key_delete(key); |
| debug_assert_eq!(r, 0); |
| } |
| |
| #[inline] |
| pub fn requires_synchronized_create() -> bool { |
| false |
| } |