OpenBSD patch for ipc, split from CR #8275005

ipc/ipc_channel_posix.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ipc/ipc_channel_posix.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/un.h>
 
+#if defined(OS_OPENBSD)
+#include <sys/uio.h>
+#endif
+
 #include <string>
 #include <map>
 
 #include "base/command_line.h"
 #include "base/eintr_wrapper.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/global_descriptors_posix.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 912 matching lines @@
 bool Channel::ChannelImpl::AcceptsConnections() const {
   return server_listen_pipe_ != -1;
 }
 
 bool Channel::ChannelImpl::HasAcceptedConnection() const {
   return AcceptsConnections() && pipe_ != -1;
 }
 
 bool Channel::ChannelImpl::GetClientEuid(uid_t* client_euid) const {
   DCHECK(HasAcceptedConnection());
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_OPENBSD)
   uid_t peer_euid;
   gid_t peer_gid;
   if (getpeereid(pipe_, &peer_euid, &peer_gid) != 0) {
     PLOG(ERROR) << "getpeereid " << pipe_;
     return false;
   }
   *client_euid = peer_euid;
   return true;
 #elif defined(OS_SOLARIS)
   return false;
@@ skipping 289 matching lines @@
 }
 
 #if defined(OS_LINUX)
 // static
 void Channel::SetGlobalPid(int pid) {
   ChannelImpl::SetGlobalPid(pid);
 }
 #endif  // OS_LINUX
 
 }  // namespace IPC