lean2/src/util/interrupt.cpp

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/*
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include "util/interrupt.h"
#include "util/exception.h"
namespace lean {
static thread_local std::atomic_bool g_interrupt;
void request_interrupt() {
g_interrupt.store(true);
}
void reset_interrupt() {
g_interrupt.store(false);
}
bool interrupt_requested() {
return g_interrupt.load();
}
void check_interrupted() {
if (interrupt_requested()) {
reset_interrupt();
throw interrupted();
}
}
std::atomic_bool * interruptible_thread::get_flag_addr() {
return &g_interrupt;
}
bool interruptible_thread::interrupted() const {
std::atomic_bool * f = m_flag_addr.load();
if (f == nullptr)
return false;
return f->load();
}
bool interruptible_thread::request_interrupt() {
std::atomic_bool * f = m_flag_addr.load();
if (f == nullptr)
return false;
f->store(true);
return true;
}
void interruptible_thread::join() {
m_thread.join();
}
bool interruptible_thread::joinable() {
return m_thread.joinable();
}
}