1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
// This file is part of dpdk. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT. No part of dpdk, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2016-2018 The developers of dpdk. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT.
/// Should the function running on the current logical core terminate?
#[derive(Debug)]
pub struct ShouldFunctionTerminate(AtomicBool);
unsafe impl Send for ShouldFunctionTerminate
{
}
unsafe impl Sync for ShouldFunctionTerminate
{
}
impl ShouldFunctionTerminate
{
const Sleepiness: Duration = Duration::from_millis(10);
/// New instance.
#[inline(always)]
pub fn new() -> Arc<ShouldFunctionTerminate>
{
Arc::new(ShouldFunctionTerminate(AtomicBool::new(false)))
}
/// Should we terminate?
#[inline(always)]
pub fn should_terminate(&self) -> bool
{
self.0.load(Relaxed)
}
/// Should we continue?
#[inline(always)]
pub fn should_continue(&self) -> bool
{
!self.should_terminate()
}
/// Sleep and check for terminate.
#[inline(always)]
pub fn sleep_and_check_should_terminate(&self) -> bool
{
::std::thread::sleep(Self::Sleepiness);
self.should_terminate()
}
/// A thread-like function panicked; terminate.
#[inline(always)]
pub fn we_panicked(&self, payload: &(Any + 'static + Send))
{
SysLog::caught_unwind(payload);
self.0.store(true, SeqCst)
}
/// The master loop was signalled (caught a signal) that was interpreted as meanining 'exit'.
#[inline(always)]
pub fn exit_signalled(&self, signal_number: Option<SignalNumber>)
{
SysLog::exit_signalled(signal_number);
self.0.store(true, SeqCst)
}
}