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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
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// Copyright 2014 The Crashpad Authors. All rights reserved.
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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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#ifndef CRASHPAD_UTIL_TEST_MULTIPROCESS_EXEC_H_
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#define CRASHPAD_UTIL_TEST_MULTIPROCESS_EXEC_H_
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#include <string>
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#include <vector>
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#include "base/basictypes.h"
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#include "util/test/multiprocess.h"
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namespace crashpad {
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namespace test {
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//! \brief Manages an `exec()`-based multiprocess test.
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//!
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//! These tests are based on `fork()` and `exec()`. The parent process is able
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//! to communicate with the child in the same manner as a base-class
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//! Multiprocess parent. The read and write pipes appear in the child process on
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//! stdin and stdout, respectively.
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//!
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//! Subclasses are expected to implement the parent in the same was as a
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//! base-class Multiprocess parent. The child must be implemented in an
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//! executable to be set by SetChildCommand().
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class MultiprocessExec : public Multiprocess {
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public:
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MultiprocessExec();
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//! \brief Sets the command to `exec()` in the child.
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//!
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//! This method must be called before the test can be Run().
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//!
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//! \param[in] command The executable’s pathname.
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//! \param[in] arguments The command-line arguments to pass to the child
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//! process in its `argv[]` vector. This vector must begin at `argv[1]`,
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//! as \a command is implicitly used as `argv[0]`. This argument may be
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//! `NULL` if no command-line arguments are to be passed.
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void SetChildCommand(const std::string& command,
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const std::vector<std::string>* arguments);
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protected:
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~MultiprocessExec();
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// Multiprocess:
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virtual void PreFork() override;
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private:
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// Multiprocess:
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virtual void MultiprocessChild() override;
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std::string command_;
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std::vector<std::string> arguments_;
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std::vector<const char*> argv_;
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DISALLOW_COPY_AND_ASSIGN(MultiprocessExec);
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};
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} // namespace test
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_TEST_MULTIPROCESS_EXEC_H_
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