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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 <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 {
+ 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