mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
// Copyright 2020 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef SANDBOXED_API_SANDBOX2_FORK_CLIENT_H_
|
|
#define SANDBOXED_API_SANDBOX2_FORK_CLIENT_H_
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include "absl/base/attributes.h"
|
|
#include "absl/synchronization/mutex.h"
|
|
|
|
namespace sandbox2 {
|
|
|
|
// Envvar indicating that this process should not start the fork-server.
|
|
ABSL_CONST_INIT extern const char kForkServerDisableEnv[];
|
|
|
|
class Comms;
|
|
class ForkRequest;
|
|
|
|
class ForkClient {
|
|
public:
|
|
ForkClient(const ForkClient&) = delete;
|
|
ForkClient& operator=(const ForkClient&) = delete;
|
|
|
|
explicit ForkClient(Comms* comms) : comms_(comms) {}
|
|
|
|
// Sends the fork request over the supplied Comms channel.
|
|
pid_t SendRequest(const ForkRequest& request, int exec_fd, int comms_fd,
|
|
int user_ns_fd = -1, pid_t* init_pid = nullptr);
|
|
|
|
private:
|
|
// Comms channel connecting with the ForkServer. Not owned by the object.
|
|
Comms* comms_;
|
|
// Mutex locking transactions (requests) over the Comms channel.
|
|
absl::Mutex comms_mutex_;
|
|
};
|
|
} // namespace sandbox2
|
|
|
|
#endif // SANDBOXED_API_SANDBOX2_FORK_CLIENT_H_
|