add FOLLY_SANITIZE macro

[folly.git] / folly / Portability.h

diff --git a/folly/Portability.h b/folly/Portability.h
index 0f549868bdd0bb0ea4445bce692fbf8c56bbe669..6c140379de9e9920755e3eb70cb615c6bd8acb88 100644 (file)
--- a/folly/Portability.h
+++ b/folly/Portability.h
@@ -63,7 +63,7 @@ using max_basic_alignment = max_alignment<
     char32_t,
     wchar_t,
     std::nullptr_t>;
-} // namespace detail
+} // namespace portability_detail
 
 constexpr size_t max_align_v = portability_detail::max_basic_alignment::value;
 
@@ -169,9 +169,9 @@ struct alignas(max_align_v) max_align_t {};
 #endif
 
 #if defined(__aarch64__)
-# define FOLLY_A64 1
+# define FOLLY_AARCH64 1
 #else
-# define FOLLY_A64 0
+# define FOLLY_AARCH64 0
 #endif
 
 #if defined (__powerpc64__)
@@ -182,9 +182,9 @@ struct alignas(max_align_v) max_align_t {};
 
 namespace folly {
 constexpr bool kIsArchAmd64 = FOLLY_X64 == 1;
-constexpr bool kIsArchAArch64 = FOLLY_A64 == 1;
+constexpr bool kIsArchAArch64 = FOLLY_AARCH64 == 1;
 constexpr bool kIsArchPPC64 = FOLLY_PPC64 == 1;
-}
+} // namespace folly
 
 namespace folly {
 
@@ -199,7 +199,13 @@ constexpr bool kIsSanitizeThread = true;
 #else
 constexpr bool kIsSanitizeThread = false;
 #endif
-}
+
+#if FOLLY_SANITIZE
+constexpr bool kIsSanitize = true;
+#else
+constexpr bool kIsSanitize = false;
+#endif
+} // namespace folly
 
 // packing is very ugly in msvc
 #ifdef _MSC_VER
@@ -313,7 +319,7 @@ constexpr auto kIsDebug = false;
 #else
 constexpr auto kIsDebug = true;
 #endif
-}
+} // namespace folly
 
 // Endianness
 namespace folly {
@@ -328,7 +334,7 @@ constexpr auto kIsLittleEndian = true;
 constexpr auto kIsLittleEndian = __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__;
 #endif
 constexpr auto kIsBigEndian = !kIsLittleEndian;
-}
+} // namespace folly
 
 #ifndef FOLLY_SSE
 # if defined(__SSE4_2__)
@@ -406,4 +412,31 @@ constexpr auto kMscVer = _MSC_VER;
 constexpr auto kIsWindows = false;
 constexpr auto kMscVer = 0;
 #endif
-}
+} // namespace folly
+
+// Define FOLLY_USE_CPP14_CONSTEXPR to be true if the compiler's C++14
+// constexpr support is "good enough".
+#ifndef FOLLY_USE_CPP14_CONSTEXPR
+#if defined(__clang__)
+#define FOLLY_USE_CPP14_CONSTEXPR __cplusplus >= 201300L
+#elif defined(__GNUC__)
+#define FOLLY_USE_CPP14_CONSTEXPR __cplusplus >= 201304L
+#else
+#define FOLLY_USE_CPP14_CONSTEXPR 0 // MSVC?
+#endif
+#endif
+
+#if FOLLY_USE_CPP14_CONSTEXPR
+#define FOLLY_CPP14_CONSTEXPR constexpr
+#else
+#define FOLLY_CPP14_CONSTEXPR inline
+#endif
+
+#if __cpp_coroutines >= 201703L || (_MSC_VER && _RESUMABLE_FUNCTIONS_SUPPORTED)
+#define FOLLY_HAS_COROUTINES 1
+#endif
+
+// MSVC 2017.5
+#if __cpp_noexcept_function_type >= 201510 || _MSC_FULL_VER >= 191225816
+#define FOLLY_HAVE_NOEXCEPT_FUNCTION_TYPE 1
+#endif