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// Copyright 2019 The Bazel 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 BAZEL_SRC_MAIN_NATIVE_WINDOWS_PROCESS_H_
#define BAZEL_SRC_MAIN_NATIVE_WINDOWS_PROCESS_H_
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <stdint.h>
#include <string>
#include "src/main/native/windows/util.h"
namespace bazel {
namespace windows {
class WaitableProcess {
public:
// These are the possible return values from the WaitFor() method.
enum {
kWaitSuccess = 0,
kWaitTimeout = 1,
kWaitError = 2,
};
WaitableProcess() : pid_(0), exit_code_(STILL_ACTIVE) {}
bool Create(const std::wstring& argv0, const std::wstring& argv_rest,
void* env, const std::wstring& wcwd, std::wstring* error);
bool Create(const std::wstring& argv0, const std::wstring& argv_rest,
void* env, const std::wstring& wcwd, HANDLE stdin_process,
HANDLE stdout_process, HANDLE stderr_process,
LARGE_INTEGER* opt_out_start_time, std::wstring* error);
int WaitFor(int64_t timeout_msec, LARGE_INTEGER* opt_out_end_time,
std::wstring* error);
int GetExitCode(std::wstring* error);
bool Terminate(std::wstring* error);
DWORD GetPid() const { return pid_; }
private:
bool Create(const std::wstring& argv0, const std::wstring& argv_rest,
void* env, const std::wstring& wcwd, HANDLE stdin_process,
HANDLE stdout_process, HANDLE stderr_process,
LARGE_INTEGER* opt_out_start_time, bool create_window,
std::wstring* error);
AutoHandle process_, job_, ioport_;
DWORD pid_, exit_code_;
};
// Escape a command line argument using Windows escaping syntax.
//
// This escaping lets us safely pass arguments to subprocesses created with
// CreateProcessW. (The escaping rules are a bit complex, look at the function
// implementation.)
std::wstring WindowsEscapeArg(const std::wstring& arg);
} // namespace windows
} // namespace bazel
#endif // BAZEL_SRC_MAIN_NATIVE_WINDOWS_PROCESS_H_