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gitea/vendor/github.com/ngaut/sync2/atomic.go
Thomas Boerger b6a95a8cb3 Integrate public as bindata optionally (#293)
* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix
2016-11-30 00:26:36 +08:00

114 lines
2.5 KiB
Go

// Copyright 2013, Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sync2
import (
"sync"
"sync/atomic"
"time"
)
type AtomicInt32 int32
func (i *AtomicInt32) Add(n int32) int32 {
return atomic.AddInt32((*int32)(i), n)
}
func (i *AtomicInt32) Set(n int32) {
atomic.StoreInt32((*int32)(i), n)
}
func (i *AtomicInt32) Get() int32 {
return atomic.LoadInt32((*int32)(i))
}
func (i *AtomicInt32) CompareAndSwap(oldval, newval int32) (swapped bool) {
return atomic.CompareAndSwapInt32((*int32)(i), oldval, newval)
}
type AtomicUint32 uint32
func (i *AtomicUint32) Add(n uint32) uint32 {
return atomic.AddUint32((*uint32)(i), n)
}
func (i *AtomicUint32) Set(n uint32) {
atomic.StoreUint32((*uint32)(i), n)
}
func (i *AtomicUint32) Get() uint32 {
return atomic.LoadUint32((*uint32)(i))
}
func (i *AtomicUint32) CompareAndSwap(oldval, newval uint32) (swapped bool) {
return atomic.CompareAndSwapUint32((*uint32)(i), oldval, newval)
}
type AtomicInt64 int64
func (i *AtomicInt64) Add(n int64) int64 {
return atomic.AddInt64((*int64)(i), n)
}
func (i *AtomicInt64) Set(n int64) {
atomic.StoreInt64((*int64)(i), n)
}
func (i *AtomicInt64) Get() int64 {
return atomic.LoadInt64((*int64)(i))
}
func (i *AtomicInt64) CompareAndSwap(oldval, newval int64) (swapped bool) {
return atomic.CompareAndSwapInt64((*int64)(i), oldval, newval)
}
type AtomicDuration int64
func (d *AtomicDuration) Add(duration time.Duration) time.Duration {
return time.Duration(atomic.AddInt64((*int64)(d), int64(duration)))
}
func (d *AtomicDuration) Set(duration time.Duration) {
atomic.StoreInt64((*int64)(d), int64(duration))
}
func (d *AtomicDuration) Get() time.Duration {
return time.Duration(atomic.LoadInt64((*int64)(d)))
}
func (d *AtomicDuration) CompareAndSwap(oldval, newval time.Duration) (swapped bool) {
return atomic.CompareAndSwapInt64((*int64)(d), int64(oldval), int64(newval))
}
// AtomicString gives you atomic-style APIs for string, but
// it's only a convenience wrapper that uses a mutex. So, it's
// not as efficient as the rest of the atomic types.
type AtomicString struct {
mu sync.Mutex
str string
}
func (s *AtomicString) Set(str string) {
s.mu.Lock()
s.str = str
s.mu.Unlock()
}
func (s *AtomicString) Get() string {
s.mu.Lock()
str := s.str
s.mu.Unlock()
return str
}
func (s *AtomicString) CompareAndSwap(oldval, newval string) (swqpped bool) {
s.mu.Lock()
defer s.mu.Unlock()
if s.str == oldval {
s.str = newval
return true
}
return false
}