Mercurial > hg > truffle
view src/share/vm/runtime/gpu.hpp @ 15583:d331b7c3d7c4
[single-pass-iter] start of evolution towards a node iterator less memory-hungry
author | Miguel Garcia <miguel.m.garcia@oracle.com> |
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date | Fri, 09 May 2014 16:22:54 +0200 |
parents | de9ead115e26 |
children |
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/* * Copyright (c) 2013, 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_VM_RUNTIME_GPU_HPP #define SHARE_VM_RUNTIME_GPU_HPP #include "runtime/atomic.hpp" #include "oops/symbol.hpp" #include "utilities/array.hpp" #define MAX_GPUS 2 // Defines the interface to the graphics processor(s). class Gpu : public CHeapObj<mtInternal> { private: static int _initialized_gpus_count; static Gpu* _initialized_gpus[MAX_GPUS]; public: // Notification of a GPU device that has been initialized. static void initialized_gpu(Gpu* gpu); // Gets a comma separated list of supported GPU architecture names. static jobject probe_gpus(JNIEnv* env); // Gets the number of GPU devices that have been initialized. static int initialized_gpus() { return _initialized_gpus_count; } enum SafepointEvent { SafepointBegin, SafepointEnd }; // Called when a safepoint has been activated. static void safepoint_event(SafepointEvent event); // Name of this GPU virtual const char* name() = 0; // Called when a safepoint has been activated. virtual void notice_safepoints() {}; // Called when a safepoint has been deactivated. virtual void ignore_safepoints() {}; }; #endif // SHARE_VM_RUNTIME_GPU_HPP