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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 /*
     18  * System thread support.
     19  */
     20 #ifndef _DALVIK_SYSTEM_THREAD
     21 #define _DALVIK_SYSTEM_THREAD
     22 
     23 #include "Thread.h"
     24 
     25 /*
     26  * Queries the system thread status for the given thread. If the thread is in
     27  * native code, this function queries the system thread state and converts it
     28  * to an equivalent ThreadStatus. If the system thread state is "paging",
     29  * this function returns THREAD_WAIT. If the native status can't be read,
     30  * this function returns THREAD_NATIVE. The thread list lock should be held
     31  * when calling this function.
     32  */
     33 ThreadStatus dvmGetSystemThreadStatus(Thread* thread);
     34 
     35 /*
     36  * Frees system thread-specific state in the given thread. The thread list
     37  * lock is *not* held when this function is invoked.
     38  */
     39 void dvmDetachSystemThread(Thread* thread);
     40 
     41 #endif /*_DALVIK_SYSTEM_THREAD*/
     42