crashpad/util/test/multiprocess_exec.h
Mark Mentovai 5d74f120fc Convert NULL to nullptr.
This change was generated mechanically by running:

  find . \( -name \*.cc -or -name \*.mm -or -name \*.h \) \
      -and -not -path ./third_party/\* -and -not -path ./out/\* \
      -exec sed -i '' -E -e 's/(^|[^_])NULL/\1nullptr/g' {} +

Further manual fix-ups were applied to remove casts of nullptr to other
pointer types where possible, to preserve the intentional use of NULL
(as a short form of MACH_PORT_NULL) in exception_port_tool, and to fix
80-column violations.

https://groups.google.com/a/chromium.org/d/topic/chromium-dev/4mijeJHzxLg/discussion

TEST=*_test
R=rsesek@chromium.org

Review URL: https://codereview.chromium.org/656703002
2014-10-14 11:10:45 -04:00

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