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// 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
func testParameterPassingbyAddrValid(tc *oneGuardStruct) {
tc.mu.Lock()
nestedWithGuardByAddr(&tc.guardedField, &tc.unguardedField)
tc.mu.Unlock()
}
func testParameterPassingByAddrInalid(tc *oneGuardStruct) {
nestedWithGuardByAddr(&tc.guardedField, &tc.unguardedField) // +checklocksfail
}
func testParameterPassingByValueValid(tc *oneGuardStruct) {
tc.mu.Lock()
nestedWithGuardByValue(tc.guardedField, tc.unguardedField)
tc.mu.Unlock()
}
func testParameterPassingByValueInalid(tc *oneGuardStruct) {
nestedWithGuardByValue(tc.guardedField, tc.unguardedField) // +checklocksfail
}
func nestedWithGuardByAddr(guardedField, unguardedField *int) {
*guardedField = 4
*unguardedField = 5
}
func nestedWithGuardByValue(guardedField, unguardedField int) {
// read the fields to keep SA4009 static analyzer happy.
_ = guardedField
_ = unguardedField
guardedField = 4
unguardedField = 5
}
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