github.com/kubewharf/katalyst-core@v0.5.3/pkg/agent/qrm-plugins/memory/dynamicpolicy/oom/init.go (about)

     1  /*
     2  Copyright 2022 The Katalyst Authors.
     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  package oom
    18  
    19  import "sync"
    20  
    21  type InitOOMPriorityBPFFunc func() error
    22  
    23  var (
    24  	initOOMPriorityBPF    InitOOMPriorityBPFFunc
    25  	initOOMPriorityBPFMtx sync.RWMutex
    26  )
    27  
    28  func SetInitOOMPriorityBPFFunc(f InitOOMPriorityBPFFunc) {
    29  	initOOMPriorityBPFMtx.Lock()
    30  	defer initOOMPriorityBPFMtx.Unlock()
    31  	initOOMPriorityBPF = f
    32  }
    33  
    34  func GetInitOOMPriorityBPFFunc() InitOOMPriorityBPFFunc {
    35  	initOOMPriorityBPFMtx.RLock()
    36  	defer initOOMPriorityBPFMtx.RUnlock()
    37  	return initOOMPriorityBPF
    38  }
    39  
    40  func DummyInitOOMPriorityBPF() error {
    41  	return nil
    42  }