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/*
* Copyright (c) 2017 TOYOTA MOTOR CORPORATION
*
* 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 WM_UTIL_HPP
#define WM_UTIL_HPP
#include <functional>
#include <thread>
#include <vector>
#include <sys/poll.h>
#ifndef DO_NOT_USE_AFB
extern "C"
{
#include <afb/afb-binding.h>
};
#endif
#define CONCAT_(X, Y) X##Y
#define CONCAT(X, Y) CONCAT_(X, Y)
#ifdef __GNUC__
#define ATTR_FORMAT(stringindex, firsttocheck) \
__attribute__((format(printf, stringindex, firsttocheck)))
#define ATTR_NORETURN __attribute__((noreturn))
#else
#define ATTR_FORMAT(stringindex, firsttocheck)
#define ATTR_NORETURN
#endif
#ifdef AFB_BINDING_VERSION
#define lognotice(...) AFB_NOTICE(__VA_ARGS__)
#define logerror(...) AFB_ERROR(__VA_ARGS__)
#define fatal(...) \
do \
{ \
AFB_ERROR(__VA_ARGS__); \
abort(); \
} while (0)
#else
#define lognotice(...)
#define logerror(...)
#define fatal(...) \
do \
{ \
abort(); \
} while (0)
#endif
#ifdef DEBUG_OUTPUT
#ifdef AFB_BINDING_VERSION
#define logdebug(...) AFB_DEBUG(__VA_ARGS__)
#else
#define logdebug(...)
#endif
#else
#define logdebug(...)
#endif
#ifndef SCOPE_TRACING
#define ST()
#define STN(N)
#else
#define ST() \
ScopeTrace __attribute__((unused)) CONCAT(trace_scope_, __LINE__)(__func__)
#define STN(N) \
ScopeTrace __attribute__((unused)) CONCAT(named_trace_scope_, __LINE__)(#N)
struct ScopeTrace
{
thread_local static int indent;
char const *f{};
explicit ScopeTrace(char const *func);
~ScopeTrace();
};
#endif
/**
* @struct unique_fd
*/
struct unique_fd
{
int fd{-1};
unique_fd() = default;
explicit unique_fd(int f) : fd{f} {}
operator int() const { return fd; }
~unique_fd();
unique_fd(unique_fd const &) = delete;
unique_fd &operator=(unique_fd const &) = delete;
unique_fd(unique_fd &&o) : fd(o.fd) { o.fd = -1; }
unique_fd &operator=(unique_fd &&o)
{
std::swap(this->fd, o.fd);
return *this;
}
};
#endif // !WM_UTIL_HPP
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