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-rw-r--r--pkg/sync/seqatomictest/BUILD31
-rw-r--r--pkg/sync/seqatomictest/seqatomic_test.go132
2 files changed, 0 insertions, 163 deletions
diff --git a/pkg/sync/seqatomictest/BUILD b/pkg/sync/seqatomictest/BUILD
deleted file mode 100644
index 5c38c783e..000000000
--- a/pkg/sync/seqatomictest/BUILD
+++ /dev/null
@@ -1,31 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-load("//tools/go_generics:defs.bzl", "go_template_instance")
-
-package(licenses = ["notice"])
-
-go_template_instance(
- name = "seqatomic_int",
- out = "seqatomic_int_unsafe.go",
- package = "seqatomic",
- suffix = "Int",
- template = "//pkg/sync:generic_seqatomic",
- types = {
- "Value": "int",
- },
-)
-
-go_library(
- name = "seqatomic",
- srcs = ["seqatomic_int_unsafe.go"],
- deps = [
- "//pkg/sync",
- ],
-)
-
-go_test(
- name = "seqatomic_test",
- size = "small",
- srcs = ["seqatomic_test.go"],
- library = ":seqatomic",
- deps = ["//pkg/sync"],
-)
diff --git a/pkg/sync/seqatomictest/seqatomic_test.go b/pkg/sync/seqatomictest/seqatomic_test.go
deleted file mode 100644
index 2c4568b07..000000000
--- a/pkg/sync/seqatomictest/seqatomic_test.go
+++ /dev/null
@@ -1,132 +0,0 @@
-// 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.
-
-package seqatomic
-
-import (
- "sync/atomic"
- "testing"
- "time"
-
- "gvisor.dev/gvisor/pkg/sync"
-)
-
-func TestSeqAtomicLoadUncontended(t *testing.T) {
- var seq sync.SeqCount
- const want = 1
- data := want
- if got := SeqAtomicLoadInt(&seq, &data); got != want {
- t.Errorf("SeqAtomicLoadInt: got %v, wanted %v", got, want)
- }
-}
-
-func TestSeqAtomicLoadAfterWrite(t *testing.T) {
- var seq sync.SeqCount
- var data int
- const want = 1
- seq.BeginWrite()
- data = want
- seq.EndWrite()
- if got := SeqAtomicLoadInt(&seq, &data); got != want {
- t.Errorf("SeqAtomicLoadInt: got %v, wanted %v", got, want)
- }
-}
-
-func TestSeqAtomicLoadDuringWrite(t *testing.T) {
- var seq sync.SeqCount
- var data int
- const want = 1
- seq.BeginWrite()
- go func() {
- time.Sleep(time.Second)
- data = want
- seq.EndWrite()
- }()
- if got := SeqAtomicLoadInt(&seq, &data); got != want {
- t.Errorf("SeqAtomicLoadInt: got %v, wanted %v", got, want)
- }
-}
-
-func TestSeqAtomicTryLoadUncontended(t *testing.T) {
- var seq sync.SeqCount
- const want = 1
- data := want
- epoch := seq.BeginRead()
- if got, ok := SeqAtomicTryLoadInt(&seq, epoch, &data); !ok || got != want {
- t.Errorf("SeqAtomicTryLoadInt: got (%v, %v), wanted (%v, true)", got, ok, want)
- }
-}
-
-func TestSeqAtomicTryLoadDuringWrite(t *testing.T) {
- var seq sync.SeqCount
- var data int
- epoch := seq.BeginRead()
- seq.BeginWrite()
- if got, ok := SeqAtomicTryLoadInt(&seq, epoch, &data); ok {
- t.Errorf("SeqAtomicTryLoadInt: got (%v, true), wanted (_, false)", got)
- }
- seq.EndWrite()
-}
-
-func TestSeqAtomicTryLoadAfterWrite(t *testing.T) {
- var seq sync.SeqCount
- var data int
- epoch := seq.BeginRead()
- seq.BeginWrite()
- seq.EndWrite()
- if got, ok := SeqAtomicTryLoadInt(&seq, epoch, &data); ok {
- t.Errorf("SeqAtomicTryLoadInt: got (%v, true), wanted (_, false)", got)
- }
-}
-
-func BenchmarkSeqAtomicLoadIntUncontended(b *testing.B) {
- var seq sync.SeqCount
- const want = 42
- data := want
- b.RunParallel(func(pb *testing.PB) {
- for pb.Next() {
- if got := SeqAtomicLoadInt(&seq, &data); got != want {
- b.Fatalf("SeqAtomicLoadInt: got %v, wanted %v", got, want)
- }
- }
- })
-}
-
-func BenchmarkSeqAtomicTryLoadIntUncontended(b *testing.B) {
- var seq sync.SeqCount
- const want = 42
- data := want
- b.RunParallel(func(pb *testing.PB) {
- epoch := seq.BeginRead()
- for pb.Next() {
- if got, ok := SeqAtomicTryLoadInt(&seq, epoch, &data); !ok || got != want {
- b.Fatalf("SeqAtomicTryLoadInt: got (%v, %v), wanted (%v, true)", got, ok, want)
- }
- }
- })
-}
-
-// For comparison:
-func BenchmarkAtomicValueLoadIntUncontended(b *testing.B) {
- var a atomic.Value
- const want = 42
- a.Store(int(want))
- b.RunParallel(func(pb *testing.PB) {
- for pb.Next() {
- if got := a.Load().(int); got != want {
- b.Fatalf("atomic.Value.Load: got %v, wanted %v", got, want)
- }
- }
- })
-}