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use std::ops::Deref;
use std::sync::Arc;
use sys::ffi;
use ::ProcessorExt;
pub struct UnsafePtr<T>(*mut T);
unsafe impl<T> Send for UnsafePtr<T> {}
unsafe impl<T> Sync for UnsafePtr<T> {}
impl<T> Deref for UnsafePtr<T> {
type Target = *mut T;
fn deref(&self) -> &*mut T {
&self.0
}
}
pub struct ProcessorData {
pub cpu_info: UnsafePtr<i32>,
pub num_cpu_info: u32,
}
impl ProcessorData {
pub fn new(cpu_info: *mut i32, num_cpu_info: u32) -> ProcessorData {
ProcessorData {
cpu_info: UnsafePtr(cpu_info),
num_cpu_info,
}
}
}
impl Drop for ProcessorData {
fn drop(&mut self) {
if !self.cpu_info.0.is_null() {
let prev_cpu_info_size = ::std::mem::size_of::<i32>() as u32 * self.num_cpu_info;
unsafe {
ffi::vm_deallocate(ffi::mach_task_self(), self.cpu_info.0, prev_cpu_info_size);
}
self.cpu_info.0 = ::std::ptr::null_mut();
}
}
}
pub struct Processor {
name: String,
cpu_usage: f32,
processor_data: Arc<ProcessorData>,
}
impl Processor {
fn new(name: String, processor_data: Arc<ProcessorData>) -> Processor {
Processor {
name,
cpu_usage: 0f32,
processor_data,
}
}
}
impl ProcessorExt for Processor {
fn get_cpu_usage(&self) -> f32 {
self.cpu_usage
}
fn get_name(&self) -> &str {
&self.name
}
}
pub fn set_cpu_usage(p: &mut Processor, usage: f32) {
p.cpu_usage = usage;
}
pub fn create_proc(name: String, processor_data: Arc<ProcessorData>) -> Processor {
Processor::new(name, processor_data)
}
pub fn update_proc(p: &mut Processor, cpu_usage: f32, processor_data: Arc<ProcessorData>) {
p.cpu_usage = cpu_usage;
p.processor_data = processor_data;
}
pub fn set_cpu_proc(p: &mut Processor, cpu_usage: f32) {
p.cpu_usage = cpu_usage;
}
pub fn get_processor_data(p: &Processor) -> Arc<ProcessorData> {
Arc::clone(&p.processor_data)
}