| /* |
| * Copyright (c) 2018, 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 GTEST_UTILITIES_HELPER_INLINE_HPP |
| #define GTEST_UTILITIES_HELPER_INLINE_HPP |
| |
| #include "runtime/mutex.hpp" |
| #include "runtime/semaphore.hpp" |
| #include "runtime/thread.hpp" |
| #include "runtime/vmThread.hpp" |
| #include "runtime/vm_operations.hpp" |
| #include "unittest.hpp" |
| |
| class VM_StopSafepoint : public VM_Operation { |
| public: |
| Semaphore* _test_complete; |
| VM_StopSafepoint(Semaphore* wait_for) : _test_complete(wait_for) {} |
| VMOp_Type type() const { return VMOp_Dummy; } |
| Mode evaluation_mode() const { return _no_safepoint; } |
| bool is_cheap_allocated() const { return false; } |
| void doit() { _test_complete->wait(); } |
| }; |
| |
| // This class and thread keep the non-safepoint op running while we do our testing. |
| class VMThreadBlocker : public JavaThread { |
| public: |
| Semaphore* _unblock; |
| Semaphore* _done; |
| VMThreadBlocker(Semaphore* ub, Semaphore* done) : _unblock(ub), _done(done) { |
| } |
| virtual ~VMThreadBlocker() {} |
| void run() { |
| this->set_thread_state(_thread_in_vm); |
| { |
| MutexLocker ml(Threads_lock); |
| Threads::add(this); |
| } |
| VM_StopSafepoint ss(_unblock); |
| VMThread::execute(&ss); |
| _done->signal(); |
| Threads::remove(this); |
| this->smr_delete(); |
| } |
| void doit() { |
| if (os::create_thread(this, os::os_thread)) { |
| os::start_thread(this); |
| } else { |
| ASSERT_TRUE(false); |
| } |
| } |
| }; |
| |
| // For testing in a real JavaThread. |
| class JavaTestThread : public JavaThread { |
| public: |
| Semaphore* _post; |
| JavaTestThread(Semaphore* post) |
| : _post(post) { |
| } |
| virtual ~JavaTestThread() {} |
| |
| void prerun() { |
| this->set_thread_state(_thread_in_vm); |
| { |
| MutexLocker ml(Threads_lock); |
| Threads::add(this); |
| } |
| { |
| MutexLockerEx ml(SR_lock(), Mutex::_no_safepoint_check_flag); |
| } |
| } |
| |
| virtual void main_run() = 0; |
| |
| void run() { |
| prerun(); |
| main_run(); |
| postrun(); |
| } |
| |
| void postrun() { |
| Threads::remove(this); |
| _post->signal(); |
| this->smr_delete(); |
| } |
| |
| void doit() { |
| if (os::create_thread(this, os::os_thread)) { |
| os::start_thread(this); |
| } else { |
| ASSERT_TRUE(false); |
| } |
| } |
| }; |
| |
| template <typename FUNC> |
| class SingleTestThread : public JavaTestThread { |
| public: |
| FUNC& _f; |
| SingleTestThread(Semaphore* post, FUNC& f) |
| : JavaTestThread(post), _f(f) { |
| } |
| |
| virtual ~SingleTestThread(){} |
| |
| virtual void main_run() { |
| _f(this); |
| } |
| }; |
| |
| template <typename TESTFUNC> |
| static void nomt_test_doer(TESTFUNC &f) { |
| Semaphore post, block_done, vmt_done; |
| VMThreadBlocker* blocker = new VMThreadBlocker(&block_done, &vmt_done); |
| blocker->doit(); |
| SingleTestThread<TESTFUNC>* stt = new SingleTestThread<TESTFUNC>(&post, f); |
| stt->doit(); |
| post.wait(); |
| block_done.signal(); |
| vmt_done.wait(); |
| } |
| |
| template <typename RUNNER> |
| static void mt_test_doer() { |
| Semaphore post, block_done, vmt_done; |
| VMThreadBlocker* blocker = new VMThreadBlocker(&block_done, &vmt_done); |
| blocker->doit(); |
| RUNNER* runner = new RUNNER(&post); |
| runner->doit(); |
| post.wait(); |
| block_done.signal(); |
| vmt_done.wait(); |
| } |
| |
| #endif // include guard |