diff options
Diffstat (limited to 'sandbox/linux/syscall_broker/broker_channel.cc')
-rw-r--r-- | sandbox/linux/syscall_broker/broker_channel.cc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sandbox/linux/syscall_broker/broker_channel.cc b/sandbox/linux/syscall_broker/broker_channel.cc new file mode 100644 index 0000000000..fa0f7615fc --- /dev/null +++ b/sandbox/linux/syscall_broker/broker_channel.cc @@ -0,0 +1,35 @@ +// 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/logging.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 |