1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build amd64 || arm64
// +build amd64 arm64
// Package atomicbitops provides extensions to the sync/atomic package.
//
// All read-modify-write operations implemented by this package have
// acquire-release memory ordering (like sync/atomic).
//
// +checkalignedignore
package atomicbitops
// AndUint32 atomically applies bitwise AND operation to *addr with val.
func AndUint32(addr *Uint32, val uint32) {
andUint32(&addr.value, val)
}
func andUint32(addr *uint32, val uint32)
// OrUint32 atomically applies bitwise OR operation to *addr with val.
func OrUint32(addr *Uint32, val uint32) {
orUint32(&addr.value, val)
}
func orUint32(addr *uint32, val uint32)
// XorUint32 atomically applies bitwise XOR operation to *addr with val.
func XorUint32(addr *Uint32, val uint32) {
xorUint32(&addr.value, val)
}
func xorUint32(addr *uint32, val uint32)
// CompareAndSwapUint32 is like sync/atomic.CompareAndSwapUint32, but returns
// the value previously stored at addr.
func CompareAndSwapUint32(addr *Uint32, old, new uint32) uint32 {
return compareAndSwapUint32(&addr.value, old, new)
}
func compareAndSwapUint32(addr *uint32, old, new uint32) uint32
// AndUint64 atomically applies bitwise AND operation to *addr with val.
func AndUint64(addr *Uint64, val uint64) {
andUint64(&addr.value, val)
}
func andUint64(addr *uint64, val uint64)
// OrUint64 atomically applies bitwise OR operation to *addr with val.
func OrUint64(addr *Uint64, val uint64) {
orUint64(&addr.value, val)
}
func orUint64(addr *uint64, val uint64)
// XorUint64 atomically applies bitwise XOR operation to *addr with val.
func XorUint64(addr *Uint64, val uint64) {
xorUint64(&addr.value, val)
}
func xorUint64(addr *uint64, val uint64)
// CompareAndSwapUint64 is like sync/atomic.CompareAndSwapUint64, but returns
// the value previously stored at addr.
func CompareAndSwapUint64(addr *Uint64, old, new uint64) uint64 {
return compareAndSwapUint64(&addr.value, old, new)
}
func compareAndSwapUint64(addr *uint64, old, new uint64) uint64
|
