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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mesa
 Path: blob/21.2-virgl/include/android_stub/system/thread_defs.h
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/*

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 * Copyright (C) 2013 The Android Open Source Project

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 *

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 * Licensed under the Apache License, Version 2.0 (the "License");

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 * you may not use this file except in compliance with the License.

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 * You may obtain a copy of the License at

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 *

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 *      http://www.apache.org/licenses/LICENSE-2.0

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 *

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 * Unless required by applicable law or agreed to in writing, software

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 * distributed under the License is distributed on an "AS IS" BASIS,

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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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 * See the License for the specific language governing permissions and

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 * limitations under the License.

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 */

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#ifndef ANDROID_THREAD_DEFS_H

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#define ANDROID_THREAD_DEFS_H

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#include "graphics.h"

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#if defined(__cplusplus)

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extern "C" {

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#endif

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enum {

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    /*

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     * ***********************************************

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     * ** Keep in sync with android.os.Process.java **

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     * ***********************************************

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     *

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     * This maps directly to the "nice" priorities we use in Android.

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     * A thread priority should be chosen inverse-proportionally to

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     * the amount of work the thread is expected to do. The more work

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     * a thread will do, the less favorable priority it should get so that

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     * it doesn't starve the system. Threads not behaving properly might

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     * be "punished" by the kernel.

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     * Use the levels below when appropriate. Intermediate values are

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     * acceptable, preferably use the {MORE|LESS}_FAVORABLE constants below.

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     */

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    ANDROID_PRIORITY_LOWEST         =  19,

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    /* use for background tasks */

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    ANDROID_PRIORITY_BACKGROUND     =  10,

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    /* most threads run at normal priority */

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    ANDROID_PRIORITY_NORMAL         =   0,

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    /* threads currently running a UI that the user is interacting with */

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    ANDROID_PRIORITY_FOREGROUND     =  -2,

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    /* the main UI thread has a slightly more favorable priority */

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    ANDROID_PRIORITY_DISPLAY        =  -4,

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    /* ui service treads might want to run at a urgent display (uncommon) */

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    ANDROID_PRIORITY_URGENT_DISPLAY =  HAL_PRIORITY_URGENT_DISPLAY,

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    /* all normal video threads */

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    ANDROID_PRIORITY_VIDEO          = -10,

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    /* all normal audio threads */

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    ANDROID_PRIORITY_AUDIO          = -16,

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    /* service audio threads (uncommon) */

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    ANDROID_PRIORITY_URGENT_AUDIO   = -19,

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    /* should never be used in practice. regular process might not

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     * be allowed to use this level */

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    ANDROID_PRIORITY_HIGHEST        = -20,

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    ANDROID_PRIORITY_DEFAULT        = ANDROID_PRIORITY_NORMAL,

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    ANDROID_PRIORITY_MORE_FAVORABLE = -1,

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    ANDROID_PRIORITY_LESS_FAVORABLE = +1,

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};

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#if defined(__cplusplus)

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}

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#endif

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#endif /* ANDROID_THREAD_DEFS_H */

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