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