1 files changed, 109 insertions, 0 deletions
diff --git a/src/util.hpp b/src/util.hpp
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+++ b/src/util.hpp
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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