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Oliver Kowalke
2015-09-15 19:15:00 +02:00
parent 73b3843696
commit 6d43540a29
55 changed files with 260 additions and 6180 deletions
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70
src/interruption.cpp
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// Copyright Oliver Kowalke 2013.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// based on boost.thread
#include "boost/fiber/interruption.hpp"
#include "boost/fiber/context.hpp"
#include "boost/fiber/scheduler.hpp"
#include "boost/fiber/exceptions.hpp"
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
#endif
namespace boost {
namespace this_fiber {
disable_interruption::disable_interruption() noexcept :
set_( ( fibers::context::active()->interruption_blocked() ) ) {
if ( ! set_) {
fibers::context::active()->interruption_blocked( true);
}
}
disable_interruption::~disable_interruption() noexcept {
if ( ! set_) {
fibers::context::active()->interruption_blocked( false);
}
}
restore_interruption::restore_interruption( disable_interruption & disabler) noexcept :
disabler_( disabler) {
if ( ! disabler_.set_) {
fibers::context::active()->interruption_blocked( false);
}
}
restore_interruption::~restore_interruption() noexcept {
if ( ! disabler_.set_) {
fibers::context::active()->interruption_blocked( true);
}
}
BOOST_FIBERS_DECL
bool interruption_enabled() noexcept {
return ! fibers::context::active()->interruption_blocked();
}
BOOST_FIBERS_DECL
bool interruption_requested() noexcept {
return fibers::context::active()->interruption_requested();
}
BOOST_FIBERS_DECL
void interruption_point() {
if ( interruption_requested() && interruption_enabled() ) {
fibers::context::active()->request_interruption( false);
throw fibers::fiber_interrupted();
}
}
}}
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_SUFFIX
#endif