gvisor/tools/checklocks/test/test.go

65 lines
1.6 KiB
Go

// Copyright 2020 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 test is a test package.
//
// Tests are all compilation tests in separate files.
package test
import (
"sync"
)
// oneGuardStruct has one guarded field.
type oneGuardStruct struct {
mu sync.Mutex
// +checklocks:mu
guardedField int
unguardedField int
}
// twoGuardStruct has two guarded fields.
type twoGuardStruct struct {
mu sync.Mutex
// +checklocks:mu
guardedField1 int
// +checklocks:mu
guardedField2 int
}
// twoLocksStruct has two locks and two fields.
type twoLocksStruct struct {
mu sync.Mutex
secondMu sync.Mutex
// +checklocks:mu
guardedField1 int
// +checklocks:secondMu
guardedField2 int
}
// twoLocksDoubleGuardStruct has two locks and a single field with two guards.
type twoLocksDoubleGuardStruct struct {
mu sync.Mutex
secondMu sync.Mutex
// +checklocks:mu
// +checklocks:secondMu
doubleGuardedField int
}
// nestedGuardStruct nests oneGuardStruct fields.
type nestedGuardStruct struct {
val oneGuardStruct
ptr *oneGuardStruct
}