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// Copyright 2017 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 aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos
// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos
package socket
import (
"net"
"os"
)
func (c *Conn) recvMsg(m *Message, flags int) error {
m.raceWrite()
var (
operr error
n int
oobn int
recvflags int
from net.Addr
)
fn := func(s uintptr) bool {
n, oobn, recvflags, from, operr = recvmsg(s, m.Buffers, m.OOB, flags, c.network)
return ioComplete(flags, operr)
}
if err := c.c.Read(fn); err != nil {
return err
}
if operr != nil {
return os.NewSyscallError("recvmsg", operr)
}
m.Addr = from
m.N = n
m.NN = oobn
m.Flags = recvflags
return nil
}
func (c *Conn) sendMsg(m *Message, flags int) error {
m.raceRead()
var (
operr error
n int
)
fn := func(s uintptr) bool {
n, operr = sendmsg(s, m.Buffers, m.OOB, m.Addr, flags)
return ioComplete(flags, operr)
}
if err := c.c.Write(fn); err != nil {
return err
}
if operr != nil {
return os.NewSyscallError("sendmsg", operr)
}
m.N = n
m.NN = len(m.OOB)
return nil
}
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