summaryrefslogtreecommitdiffhomepage
path: root/pkg/sync/atomicptr_unsafe.go
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/sync/atomicptr_unsafe.go')
-rw-r--r--pkg/sync/atomicptr_unsafe.go47
1 files changed, 0 insertions, 47 deletions
diff --git a/pkg/sync/atomicptr_unsafe.go b/pkg/sync/atomicptr_unsafe.go
deleted file mode 100644
index 525c4beed..000000000
--- a/pkg/sync/atomicptr_unsafe.go
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package template doesn't exist. This file must be instantiated using the
-// go_template_instance rule in tools/go_generics/defs.bzl.
-package template
-
-import (
- "sync/atomic"
- "unsafe"
-)
-
-// Value is a required type parameter.
-type Value struct{}
-
-// An AtomicPtr is a pointer to a value of type Value that can be atomically
-// loaded and stored. The zero value of an AtomicPtr represents nil.
-//
-// Note that copying AtomicPtr by value performs a non-atomic read of the
-// stored pointer, which is unsafe if Store() can be called concurrently; in
-// this case, do `dst.Store(src.Load())` instead.
-//
-// +stateify savable
-type AtomicPtr struct {
- ptr unsafe.Pointer `state:".(*Value)"`
-}
-
-func (p *AtomicPtr) savePtr() *Value {
- return p.Load()
-}
-
-func (p *AtomicPtr) loadPtr(v *Value) {
- p.Store(v)
-}
-
-// Load returns the value set by the most recent Store. It returns nil if there
-// has been no previous call to Store.
-func (p *AtomicPtr) Load() *Value {
- return (*Value)(atomic.LoadPointer(&p.ptr))
-}
-
-// Store sets the value returned by Load to x.
-func (p *AtomicPtr) Store(x *Value) {
- atomic.StorePointer(&p.ptr, (unsafe.Pointer)(x))
-}