github.com/cloudwego/kitex@v0.9.0/pkg/utils/counter.go (about)

     1  /*
     2   * Copyright 2021 CloudWeGo 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 utils
    18  
    19  import "sync/atomic"
    20  
    21  // AtomicInt is a shortcut for atomic.int32.
    22  type AtomicInt int32
    23  
    24  // Inc adds 1 to the int.
    25  func (i *AtomicInt) Inc() {
    26  	atomic.AddInt32((*int32)(i), 1)
    27  }
    28  
    29  // Dec subs 1 to the int.
    30  func (i *AtomicInt) Dec() {
    31  	atomic.AddInt32((*int32)(i), -1)
    32  }
    33  
    34  // Value returns the int.
    35  func (i *AtomicInt) Value() int {
    36  	return int(atomic.LoadInt32((*int32)(i)))
    37  }