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/*
* Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
*
* 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 <sys/poll.h>
#include <vector>
extern "C" {
#include <afb/afb-binding.h>
};
#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
#define lognotice(...) AFB_NOTICE(__VA_ARGS__)
#define logerror(...) AFB_ERROR(__VA_ARGS__)
#define fatal(...) \
do { \
AFB_ERROR(__VA_ARGS__); \
abort(); \
} while (0)
#ifdef DEBUG_OUTPUT
#define logdebug(...) AFB_DEBUG(__VA_ARGS__)
#else
#define logdebug(...)
#endif
#ifndef NDEBUG
#define DB(expr) \
do { \
std::ostringstream o; \
o << __FILE__ << ":" << __LINE__ << ":" << __func__ << ": " << expr; \
logdebug("%s", o.str().c_str()); \
} while (0)
#else
#define DB(expr)
#endif
// _ _ _ __ _
// ___| |_ _ __ _ _ ___| |_ _ _ _ __ (_) __ _ _ _ ___ / _| __| |
// / __| __| '__| | | |/ __| __| | | | | '_ \| |/ _` | | | |/ _ \ | |_ / _` |
// \__ \ |_| | | |_| | (__| |_ | |_| | | | | | (_| | |_| | __/ | _| (_| |
// |___/\__|_| \__,_|\___|\__| \__,_|_| |_|_|\__, |\__,_|\___|___|_| \__,_|
// |_| |_____|
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;
}
};
// _ _ ____ _ _
// ___| |_ _ __ _ _ ___| |_ | _ \ ___ | | | ___ _ __
// / __| __| '__| | | |/ __| __| | |_) / _ \| | |/ _ \ '__|
// \__ \ |_| | | |_| | (__| |_ | __/ (_) | | | __/ |
// |___/\__|_| \__,_|\___|\__| |_| \___/|_|_|\___|_|
//
struct Poller {
std::vector<std::function<int(int)>> handlers;
std::vector<struct pollfd> pfds;
Poller() = default;
void add_fd(int fd, std::function<int(int)> handler);
int check_events();
};
#endif // !WM_UTIL_HPP
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