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37 lines
891 B
Go
37 lines
891 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build race
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package socket
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import (
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"runtime"
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"unsafe"
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)
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// This package reads and writes the Message buffers using a
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// direct system call, which the race detector can't see.
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// These functions tell the race detector what is going on during the syscall.
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func (m *Message) raceRead() {
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for _, b := range m.Buffers {
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if len(b) > 0 {
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runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b))
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}
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}
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if b := m.OOB; len(b) > 0 {
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runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b))
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}
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}
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func (m *Message) raceWrite() {
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for _, b := range m.Buffers {
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if len(b) > 0 {
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runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b))
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}
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}
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if b := m.OOB; len(b) > 0 {
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runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b))
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}
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}
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