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syscall: add socket control message support for darwin, freebsd, linux

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R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4528113
This commit is contained in:
Mikio Hara 2011-06-20 18:40:20 -04:00 • committed by Russ Cox
parent 97a929aac9
commit 5d6f118f23
14 changed files with 263 additions and 13 deletions
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6
src/pkg/syscall/syscall_linux.go
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@ -529,17 +529,17 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (errno int) {
var ptr uintptr
var nsock _Socklen
var salen _Socklen
if to != nil {
var err int
ptr, nsock, err = to.sockaddr()
ptr, salen, err = to.sockaddr()
if err != 0 {
return err
}
}
var msg Msghdr
msg.Name = (*byte)(unsafe.Pointer(ptr))
msg.Namelen = uint32(nsock)
msg.Namelen = uint32(salen)
var iov Iovec
if len(p) > 0 {
iov.Base = (*byte)(unsafe.Pointer(&p[0]))