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fiber/src/condition_variable.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)
#include "boost/fiber/condition_variable.hpp"
#include "boost/fiber/context.hpp"
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
#endif
namespace boost {
namespace fibers {
void
condition_variable_any::notify_one() noexcept {
// get one context' from wait-queue
detail::spinlock_lock lk( wait_queue_splk_);
if ( wait_queue_.empty() ) {
return;
}
context * ctx = & wait_queue_.front();
wait_queue_.pop_front();
// notify context
context::active()->set_ready( ctx);
}
void
condition_variable_any::notify_all() noexcept {
// get all context' from wait-queue
detail::spinlock_lock lk( wait_queue_splk_);
// notify all context'
while ( ! wait_queue_.empty() ) {
context * ctx = & wait_queue_.front();
wait_queue_.pop_front();
context::active()->set_ready( ctx);
}
}
}}
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_SUFFIX
#endif