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56 lines
1.5 KiB
56 lines
1.5 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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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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*/
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#ifndef ANDROID_INSTALLD_EXECV_HELPER_H
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#define ANDROID_INSTALLD_EXECV_HELPER_H
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#include <string>
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#include <vector>
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namespace android {
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namespace installd {
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// ExecVHelper prepares and holds pointers to parsed command line arguments so that no allocations
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// need to be performed between the fork and exec.
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class ExecVHelper {
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public:
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ExecVHelper();
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virtual ~ExecVHelper();
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[[ noreturn ]]
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virtual void Exec(int exit_code);
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void PrepareArgs(const std::string& bin);
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// Add an arg if it's not empty.
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void AddArg(const std::string& arg);
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// Add a runtime arg if it's not empty.
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void AddRuntimeArg(const std::string& arg);
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protected:
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// Holder arrays for backing arg storage.
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std::vector<std::string> args_;
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// Argument poiners.
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std::vector<const char*> argv_;
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};
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} // namespace installd
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} // namespace android
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#endif // ANDROID_INSTALLD_EXECV_HELPER_H
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