initial commit

tdutils/td/utils/port/platform.h

@@ -0,0 +1,128 @@
+/*
+    This file is part of TON Blockchain Library.
+
+    TON Blockchain Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    TON Blockchain Library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2017-2019 Telegram Systems LLP
+*/
+#pragma once
+
+// clang-format off
+
+/*** Platform macros ***/
+#if defined(_WIN32) || defined(_WINDOWS) // _WINDOWS is defined by CMake
+  #if defined(__cplusplus_winrt)
+    #define TD_WINRT 1
+  #endif
+  #if defined(__cplusplus_cli)
+    #define TD_CLI 1
+  #endif
+  #define TD_WINDOWS 1
+#elif defined(__APPLE__)
+  #include "TargetConditionals.h"
+  #if TARGET_OS_IPHONE
+    // iOS/watchOS/tvOS
+    #if TARGET_OS_IOS
+      #define TD_DARWIN_IOS 1
+    #elif TARGET_OS_TV
+      #define TD_DARWIN_TV_OS 1
+    #elif TARGET_OS_WATCH
+      #define TD_DARWIN_WATCH_OS 1
+    #else
+      #warning "Probably unsupported Apple iPhone platform. Feel free to try to compile"
+    #endif
+  #elif TARGET_OS_MAC
+    // Other kinds of macOS
+    #define TD_DARWIN_MAC 1
+  #else
+    #warning "Probably unsupported Apple platform. Feel free to try to compile"
+  #endif
+  #define TD_DARWIN 1
+#elif defined(ANDROID) || defined(__ANDROID__)
+  #define TD_ANDROID 1
+#elif defined(TIZEN_DEPRECATION)
+  #define TD_TIZEN 1
+#elif defined(__linux__)
+  #define TD_LINUX 1
+#elif defined(__FreeBSD__)
+  #define TD_FREEBSD 1
+#elif defined(__OpenBSD__)
+  #define TD_OPENBSD 1
+#elif defined(__NetBSD__)
+  #define TD_NETBSD 1
+#elif defined(__CYGWIN__)
+  #define TD_CYGWIN 1
+#elif defined(__EMSCRIPTEN__)
+  #define TD_EMSCRIPTEN 1
+#elif defined(__unix__)  // all unices not caught above
+  #warning "Probably unsupported Unix platform. Feel free to try to compile"
+  #define TD_CYGWIN 1
+#else
+  #error "Probably unsupported platform. Feel free to remove the error and try to recompile"
+#endif
+
+#if defined(__ICC) || defined(__INTEL_COMPILER)
+  #define TD_INTEL 1
+#elif defined(__clang__)
+  #define TD_CLANG 1
+#elif defined(__GNUC__) || defined(__GNUG__)
+  #define TD_GCC 1
+#elif defined(_MSC_VER)
+  #define TD_MSVC 1
+#else
+  #warning "Probably unsupported compiler. Feel free to try to compile"
+#endif
+
+#if TD_GCC || TD_CLANG || TD_INTEL
+  #define TD_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+  #define TD_ATTRIBUTE_FORMAT_PRINTF(from, to) __attribute__((format(printf, from, to)))
+#else
+  #define TD_WARN_UNUSED_RESULT
+  #define TD_ATTRIBUTE_FORMAT_PRINTF(from, to)
+#endif
+
+#if TD_MSVC
+  #define TD_UNUSED __pragma(warning(suppress : 4100))
+#elif TD_CLANG || TD_GCC || TD_INTEL
+  #define TD_UNUSED __attribute__((unused))
+#else
+  #define TD_UNUSED
+#endif
+
+#define TD_HAVE_ATOMIC_SHARED_PTR 1
+
+// No atomic operations on std::shared_ptr in libstdc++ before 5.0
+// see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57250
+#ifdef __GLIBCXX__
+  #undef TD_HAVE_ATOMIC_SHARED_PTR
+#endif
+
+// Also no atomic operations on std::shared_ptr when clang __has_feature(cxx_atomic) is defined and zero
+#if defined(__has_feature)
+  #if !__has_feature(cxx_atomic)
+    #undef TD_HAVE_ATOMIC_SHARED_PTR
+  #endif
+#endif
+
+#ifdef TD_HAVE_ATOMIC_SHARED_PTR // unfortunately we can't check for __GLIBCXX__ here, it is not defined yet
+  #undef TD_HAVE_ATOMIC_SHARED_PTR
+#endif
+
+#define TD_CONCURRENCY_PAD 128
+
+#if !TD_WINDOWS && defined(__SIZEOF_INT128__)
+#define TD_HAVE_INT128 1
+#endif
+
+// clang-format on