cutils/iosched_policy.h

   1 /*
   2  * Copyright (C) 2007 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 __CUTILS_IOSCHED_POLICY_H
  18 #define __CUTILS_IOSCHED_POLICY_H
  19
  20 #ifdef __cplusplus
  21 extern "C" {
  22 #endif
  23
  24 typedef enum {
  25     IoSchedClass_NONE,
  26     IoSchedClass_RT,
  27     IoSchedClass_BE,
  28     IoSchedClass_IDLE,
  29 } IoSchedClass;
  30
  31 extern int android_set_ioprio(int pid, IoSchedClass clazz, int ioprio);
  32 extern int android_get_ioprio(int pid, IoSchedClass *clazz, int *ioprio);
  33
  34 #ifdef __cplusplus
  35 }
  36 #endif
  37
  38 #endif /* __CUTILS_IOSCHED_POLICY_H */