| // Copyright 2014 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 "sandbox/linux/syscall_broker/broker_channel.h" |
| |
| #include <sys/socket.h> |
| #include <sys/types.h> |
| |
| #include "base/check.h" |
| |
| namespace sandbox { |
| |
| namespace syscall_broker { |
| |
| // static |
| void BrokerChannel::CreatePair(EndPoint* reader, EndPoint* writer) { |
| DCHECK(reader); |
| DCHECK(writer); |
| int socket_pair[2]; |
| // Use SOCK_SEQPACKET, to preserve message boundaries but we also want to be |
| // notified (recvmsg should return and not block) when the connection has |
| // been broken which could mean that the other end has been closed. |
| PCHECK(0 == socketpair(AF_UNIX, SOCK_SEQPACKET, 0, socket_pair)); |
| |
| reader->reset(socket_pair[0]); |
| PCHECK(0 == shutdown(reader->get(), SHUT_WR)); |
| |
| writer->reset(socket_pair[1]); |
| PCHECK(0 == shutdown(writer->get(), SHUT_RD)); |
| } |
| |
| } // namespace syscall_broker |
| |
| } // namespace sandbox |