| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "callee_save_frame.h" |
| #include "thread.h" |
| #include "thread_list.h" |
| |
| namespace art { |
| |
| static void CheckSuspend(Thread* thread) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| for (;;) { |
| if (thread->ReadFlag(kCheckpointRequest)) { |
| thread->RunCheckpointFunction(); |
| thread->AtomicClearFlag(kCheckpointRequest); |
| } else if (thread->ReadFlag(kSuspendRequest)) { |
| thread->FullSuspendCheck(); |
| } else { |
| break; |
| } |
| } |
| } |
| |
| void CheckSuspendFromCode(Thread* thread) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| // Called when thread->suspend_count_ != 0 on JNI return. JNI method acts as callee-save frame. |
| thread->VerifyStack(); |
| CheckSuspend(thread); |
| } |
| |
| extern "C" void artTestSuspendFromCode(Thread* thread, AbstractMethod** sp) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| // Called when suspend count check value is 0 and thread->suspend_count_ != 0 |
| FinishCalleeSaveFrameSetup(thread, sp, Runtime::kRefsOnly); |
| CheckSuspend(thread); |
| } |
| |
| } // namespace art |