code review 126960043: go.sys: copy files from syscall package to go.sys/{plan...

unix/sockcmsg_linux.go

 // Copyright 2011 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.
 
 // Socket control messages
 
 package syscall
 
 import "unsafe"
 
@@ skipping 16 matching lines @@
 func ParseUnixCredentials(m *SocketControlMessage) (*Ucred, error) {
         if m.Header.Level != SOL_SOCKET {
                 return nil, EINVAL
         }
         if m.Header.Type != SCM_CREDENTIALS {
                 return nil, EINVAL
         }
         ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0]))
         return &ucred, nil
 }