78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
// Copyright 2015 The Crashpad Authors
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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_TEST_WIN_CHILD_LAUNCHER_H_
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#define CRASHPAD_TEST_WIN_CHILD_LAUNCHER_H_
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#include <windows.h>
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#include <string>
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#include "base/files/file_path.h"
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#include "util/win/scoped_handle.h"
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namespace crashpad {
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namespace test {
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//! \brief Creates a child process for testing. Uses Google Test `ASSERT_*` to
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//! indicate failure. The child's output is passed through a pipe and is
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//! available via stdout_read_handle(), and the child's input is attached to
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//! a second pipe available via stdin_write_handle().
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class ChildLauncher {
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public:
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//! \brief Creates the object. \a executable will be escaped and prepended to
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//! \a command_line to build the command line of the child.
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ChildLauncher(const base::FilePath& executable,
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const std::wstring& command_line);
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~ChildLauncher();
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//! \brief Starts the child process, after which the handle functions below
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//! will be valid.
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//!
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//! Errors are signaled via Google Test assertions. This method may be invoked
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//! via `ASSERT_NO_FATAL_FAILURE()` to assert that it succeeds.
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void Start();
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//! \brief Waits for the child process to exit.
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//!
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//! \return The process exit code.
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DWORD WaitForExit();
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//! \brief The child process's `HANDLE`.
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HANDLE process_handle() const { return process_handle_.get(); }
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//! \brief The child process's main thread's `HANDLE`.
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HANDLE main_thread_handle() const { return main_thread_handle_.get(); }
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//! \brief The read end of a pipe attached to the child's stdout.
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HANDLE stdout_read_handle() const { return stdout_read_handle_.get(); }
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//! \brief The write end of a pipe attached to the child's stdin.
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HANDLE stdin_write_handle() const { return stdin_write_handle_.get(); }
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private:
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base::FilePath executable_;
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std::wstring command_line_;
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ScopedKernelHANDLE process_handle_;
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ScopedKernelHANDLE main_thread_handle_;
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ScopedFileHANDLE stdout_read_handle_;
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ScopedFileHANDLE stdin_write_handle_;
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};
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} // namespace test
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} // namespace crashpad
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#endif // CRASHPAD_TEST_WIN_CHILD_LAUNCHER_H_
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