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f8a2729c32
Allow disabling global fork-server with a flag. PiperOrigin-RevId: 340860588 Change-Id: I184603dc3a81eb90f715053e14fb3b8d66a6f104
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// StartGlobalForkServer() is called early in a process using a constructor, so
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// it can fork() safely (in a single-threaded context)
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#ifndef SANDBOXED_API_SANDBOX2_GLOBAL_FORKCLIENT_H_
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#define SANDBOXED_API_SANDBOX2_GLOBAL_FORKCLIENT_H_
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#include <sys/types.h>
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#include "sandboxed_api/sandbox2/comms.h"
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#include "sandboxed_api/sandbox2/fork_client.h"
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#include "sandboxed_api/sandbox2/forkserver.pb.h"
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namespace sandbox2 {
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class GlobalForkClient {
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public:
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GlobalForkClient(int fd, pid_t pid)
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: comms_(fd), fork_client_(pid, &comms_) {}
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static pid_t SendRequest(const ForkRequest& request, int exec_fd,
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int comms_fd, int user_ns_fd = -1,
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pid_t* init_pid = nullptr);
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static pid_t GetPid();
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static void EnsureStarted();
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private:
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Comms comms_;
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ForkClient fork_client_;
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};
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} // namespace sandbox2
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#endif // SANDBOXED_API_SANDBOX2_GLOBAL_FORKCLIENT_H_
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