mdw@git.distorted.org.uk Git - termux-packages/blob - packages/aapt/thread_defs.h

   1 /*
   2  * Copyright (C) 2013 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 #ifndef ANDROID_THREAD_DEFS_H
  18 #define ANDROID_THREAD_DEFS_H
  19
  20 /* FREDRIK */
  21 /* #include "graphics.h" */
  22
  23 #if defined(__cplusplus)
  24 extern "C" {
  25 #endif
  26
  27 enum {
  28     /*
  29      * ***********************************************
  30      * ** Keep in sync with android.os.Process.java **
  31      * ***********************************************
  32      *
  33      * This maps directly to the "nice" priorities we use in Android.
  34      * A thread priority should be chosen inverse-proportionally to
  35      * the amount of work the thread is expected to do. The more work
  36      * a thread will do, the less favorable priority it should get so that
  37      * it doesn't starve the system. Threads not behaving properly might
  38      * be "punished" by the kernel.
  39      * Use the levels below when appropriate. Intermediate values are
  40      * acceptable, preferably use the {MORE|LESS}_FAVORABLE constants below.
  41      */
  42     ANDROID_PRIORITY_LOWEST         =  19,
  43
  44     /* use for background tasks */
  45     ANDROID_PRIORITY_BACKGROUND     =  10,
  46
  47     /* most threads run at normal priority */
  48     ANDROID_PRIORITY_NORMAL         =   0,
  49
  50     /* threads currently running a UI that the user is interacting with */
  51     ANDROID_PRIORITY_FOREGROUND     =  -2,
  52
  53     /* the main UI thread has a slightly more favorable priority */
  54     ANDROID_PRIORITY_DISPLAY        =  -4,
  55
  56     /* ui service treads might want to run at a urgent display (uncommon) */
  57     ANDROID_PRIORITY_URGENT_DISPLAY =  ANDROID_PRIORITY_DISPLAY /* FREDRIK */,
  58
  59     /* all normal audio threads */
  60     ANDROID_PRIORITY_AUDIO          = -16,
  61
  62     /* service audio threads (uncommon) */
  63     ANDROID_PRIORITY_URGENT_AUDIO   = -19,
  64
  65     /* should never be used in practice. regular process might not
  66      * be allowed to use this level */
  67     ANDROID_PRIORITY_HIGHEST        = -20,
  68
  69     ANDROID_PRIORITY_DEFAULT        = ANDROID_PRIORITY_NORMAL,
  70     ANDROID_PRIORITY_MORE_FAVORABLE = -1,
  71     ANDROID_PRIORITY_LESS_FAVORABLE = +1,
  72 };
  73
  74 #if defined(__cplusplus)
  75 }
  76 #endif
  77
  78 #endif /* ANDROID_THREAD_DEFS_H */