github.com/binkynet/BinkyNet@v1.12.1-0.20240421190447-da4e34c20be0/proto_vendor/golang.org/x/net/internal/socket/race.go (about) 1 // Copyright 2019 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build race 6 7 package socket 8 9 import ( 10 "runtime" 11 "unsafe" 12 ) 13 14 // This package reads and writes the Message buffers using a 15 // direct system call, which the race detector can't see. 16 // These functions tell the race detector what is going on during the syscall. 17 18 func (m *Message) raceRead() { 19 for _, b := range m.Buffers { 20 if len(b) > 0 { 21 runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b)) 22 } 23 } 24 if b := m.OOB; len(b) > 0 { 25 runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b)) 26 } 27 } 28 func (m *Message) raceWrite() { 29 for _, b := range m.Buffers { 30 if len(b) > 0 { 31 runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b)) 32 } 33 } 34 if b := m.OOB; len(b) > 0 { 35 runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b)) 36 } 37 }