diff options
Diffstat (limited to 'core/os/thread.h')
| -rw-r--r-- | core/os/thread.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/core/os/thread.h b/core/os/thread.h index e2e9065ec3..0da9a37a6b 100644 --- a/core/os/thread.h +++ b/core/os/thread.h @@ -44,6 +44,8 @@ #include "core/templates/safe_refcount.h" #include "core/typedefs.h" +#include <new> + #ifdef MINGW_ENABLED #define MINGW_STDTHREAD_REDUNDANCY_WARNING #include "thirdparty/mingw-std-threads/mingw.thread.h" @@ -87,6 +89,20 @@ public: void (*term)() = nullptr; }; +#if defined(__cpp_lib_hardware_interference_size) && !defined(ANDROID_ENABLED) // This would be OK with NDK >= 26. +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Winterference-size" +#endif + static constexpr size_t CACHE_LINE_BYTES = std::hardware_destructive_interference_size; +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic pop +#endif +#else + // At a negligible memory cost, we use a conservatively high value. + static constexpr size_t CACHE_LINE_BYTES = 128; +#endif + private: friend class Main; @@ -137,6 +153,8 @@ public: typedef uint64_t ID; + static constexpr size_t CACHE_LINE_BYTES = sizeof(void *); + enum : ID { UNASSIGNED_ID = 0, MAIN_ID = 1 |