/*
* Copyright ( c ) 2015 , 2021 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
#ifndef SHARE_GC_Z_ZFUTURE_INLINE_HPP
#define SHARE_GC_Z_ZFUTURE_INLINE_HPP
#include "gc/z/zFuture.hpp"
#include "runtime/javaThread.hpp"
#include "runtime/semaphore.inline.hpp"
template <typename T>
inline ZFuture<T>::ZFuture() :
_value() {}
template <typename T>
inline void ZFuture<T>::set(T value) {
// Set value
_value = value;
// Notify waiter
_sema.signal();
}
template <typename T>
inline T ZFuture<T>::get() {
// Wait for notification
Thread* const thread = Thread::current();
if (thread->is_Java_thread()) {
_sema.wait_with_safepoint_check(JavaThread::cast(thread));
} else {
_sema.wait();
}
// Return value
return _value;
}
#endif // SHARE_GC_Z_ZFUTURE_INLINE_HPP
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