/* * Copyright (C) 2013-2015 the contributors as stated in the AUTHORS file * * This file is part of open62541. open62541 is free software: you can * redistribute it and/or modify it under the terms of the GNU Lesser General * Public License, version 3 (as published by the Free Software Foundation) with * a static linking exception as stated in the LICENSE file provided with * open62541. * * open62541 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. */ #ifndef UA_CONFIG_H_ #define UA_CONFIG_H_ #ifdef __cplusplus extern "C" { #endif /** * Library Version * --------------- */ #define UA_GIT_COMMIT_ID "${GIT_COMMIT_ID}" /** * Options * ------- */ #define UA_LOGLEVEL ${UA_LOGLEVEL} #cmakedefine UA_ENABLE_METHODCALLS #cmakedefine UA_ENABLE_NODEMANAGEMENT #cmakedefine UA_ENABLE_SUBSCRIPTIONS #cmakedefine UA_ENABLE_MULTITHREADING /** * Advanced Options * ---------------- */ #cmakedefine UA_ENABLE_STATUSCODE_DESCRIPTIONS #cmakedefine UA_ENABLE_TYPENAMES #cmakedefine UA_ENABLE_EMBEDDED_LIBC #cmakedefine UA_ENABLE_GENERATE_NAMESPACE0 #cmakedefine UA_ENABLE_EXTERNAL_NAMESPACES #cmakedefine UA_ENABLE_NONSTANDARD_STATELESS #cmakedefine UA_ENABLE_NONSTANDARD_UDP /** * Standard Includes * ----------------- */ #ifndef _XOPEN_SOURCE # define _XOPEN_SOURCE 500 #endif #ifndef _DEFAULT_SOURCE # define _DEFAULT_SOURCE #endif #include #include /** * Function Export * --------------- * On Win32: Define ``UA_DYNAMIC_LINKING`` and ``UA_DYNAMIC_LINKING_EXPORT`` in * order to export symbols for a DLL. Define ``UA_DYNAMIC_LINKING`` only to * import symbols from a DLL.*/ #cmakedefine UA_DYNAMIC_LINKING #if defined(_WIN32) && defined(UA_DYNAMIC_LINKING) # ifdef UA_DYNAMIC_LINKING_EXPORT /* export dll */ # ifdef __GNUC__ # define UA_EXPORT __attribute__ ((dllexport)) # else # define UA_EXPORT __declspec(dllexport) # endif # else /* import dll */ # ifdef __GNUC__ # define UA_EXPORT __attribute__ ((dllimport)) # else # define UA_EXPORT __declspec(dllimport) # endif # endif #else /* non win32 */ # if __GNUC__ || __clang__ # define UA_EXPORT __attribute__ ((visibility ("default"))) # endif #endif #ifndef UA_EXPORT # define UA_EXPORT /* fallback to default */ #endif /** * Inline Functions * ---------------- */ #ifdef _MSC_VER # define UA_INLINE __inline #else # define UA_INLINE inline #endif /** * Non-aliasing pointers * -------------------- */ #ifdef _MSC_VER # define UA_RESTRICT __restrict #elif defined(__GNUC__) # define UA_RESTRICT __restrict__ #else # define UA_RESTRICT restrict #endif /** * Function attributes * ------------------- */ #ifdef __GNUC__ # define UA_FUNC_ATTR_MALLOC __attribute__((malloc)) # define UA_FUNC_ATTR_PURE __attribute__ ((pure)) # define UA_FUNC_ATTR_CONST __attribute__((const)) # define UA_FUNC_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) #else # define UA_FUNC_ATTR_MALLOC # define UA_FUNC_ATTR_PURE # define UA_FUNC_ATTR_CONST # define UA_FUNC_ATTR_WARN_UNUSED_RESULT #endif /** * Memory Management * ----------------- * Replace the macros for custom memory allocators if necessary */ #include #ifdef _WIN32 # ifndef __clang__ # include # endif #endif #define UA_free(ptr) free(ptr) #define UA_malloc(size) malloc(size) #define UA_calloc(num, size) calloc(num, size) #define UA_realloc(ptr, size) realloc(ptr, size) #ifndef NO_ALLOCA # if defined(__GNUC__) || defined(__clang__) # define UA_alloca(size) __builtin_alloca (size) # elif defined(_WIN32) # define UA_alloca(SIZE) _alloca(SIZE) # else # include # define UA_alloca(SIZE) alloca(SIZE) # endif #endif /** * Atomic Operations * ----------------- * Atomic operations that synchronize across processor cores (for * multithreading). Only the inline-functions defined next are used. Replace * with architecture-specific operations if necessary. */ #ifndef UA_ENABLE_MULTITHREADING # define UA_atomic_sync() #else # ifdef _MSC_VER /* Visual Studio */ # define UA_atomic_sync() _ReadWriteBarrier() # else /* GCC/Clang */ # define UA_atomic_sync() __sync_synchronize() # endif #endif static UA_INLINE void * UA_atomic_xchg(void * volatile * addr, void *newptr) { #ifndef UA_ENABLE_MULTITHREADING void *old = *addr; *addr = newptr; return old; #else # ifdef _MSC_VER /* Visual Studio */ return _InterlockedExchangePointer(addr, newptr); # else /* GCC/Clang */ return __sync_lock_test_and_set(addr, newptr); # endif #endif } static UA_INLINE void * UA_atomic_cmpxchg(void * volatile * addr, void *expected, void *newptr) { #ifndef UA_ENABLE_MULTITHREADING void *old = *addr; if(old == expected) { *addr = newptr; } return old; #else # ifdef _MSC_VER /* Visual Studio */ return _InterlockedCompareExchangePointer(addr, expected, newptr); # else /* GCC/Clang */ return __sync_val_compare_and_swap(addr, expected, newptr); # endif #endif } static UA_INLINE uint32_t UA_atomic_add(volatile uint32_t *addr, uint32_t increase) { #ifndef UA_ENABLE_MULTITHREADING *addr += increase; return *addr; #else # ifdef _MSC_VER /* Visual Studio */ return _InterlockedExchangeAdd(addr, increase) + increase; # else /* GCC/Clang */ return __sync_add_and_fetch(addr, increase); # endif #endif } /** * Binary Encoding Overlays * ------------------------ * Integers and floating point numbers are transmitted in little-endian (IEE 754 * for floating point) encoding. If the target architecture uses the same * format, numeral datatypes can be memcpy'd (overlayed) on the binary stream. * This speeds up encoding. * * Integer Endianness * ^^^^^^^^^^^^^^^^^^ */ #if defined(_WIN32) || (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) /* little endian detected */ # define UA_BINARY_OVERLAYABLE_INTEGER true #elif defined(__ANDROID__) /* Andoid */ # include # if __BYTE_ORDER == __LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__linux__) /* Linux */ # include # if __BYTE_ORDER == __LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif # if __FLOAT_BYTE_ORDER == __LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_FLOAT true # endif #elif defined(__OpenBSD__) /* OpenBSD */ # include # if BYTE_ORDER == LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) /* Other BSD */ # include # if _BYTE_ORDER == _LITTLE_ENDIAN # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__APPLE__) /* Apple (MacOS, iOS) */ # include # if defined(__LITTLE_ENDIAN__) # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #elif defined(__QNX__) || defined(__QNXNTO__) /* QNX */ # include # if defined(__LITTLEENDIAN__) # define UA_BINARY_OVERLAYABLE_INTEGER true # endif #endif #ifndef UA_BINARY_OVERLAYABLE_INTEGER # define UA_BINARY_OVERLAYABLE_INTEGER false #endif /** * Float Endianness * ^^^^^^^^^^^^^^^^ */ #if defined(_WIN32) # define UA_BINARY_OVERLAYABLE_FLOAT true #elif defined(__FLOAT_WORD_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ (__FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__) /* Defined only in GCC */ # define UA_BINARY_OVERLAYABLE_FLOAT true #elif defined(__FLOAT_WORD_ORDER) && defined(__LITTLE_ENDIAN) && \ (__FLOAT_WORD_ORDER == __LITTLE_ENDIAN) /* Defined only in GCC */ # define UA_BINARY_OVERLAYABLE_FLOAT true #endif #ifndef UA_BINARY_OVERLAYABLE_FLOAT # define UA_BINARY_OVERLAYABLE_FLOAT false #endif /** * Embed unavailable libc functions * -------------------------------- */ #ifdef UA_ENABLE_EMBEDDED_LIBC void *memcpy(void *UA_RESTRICT dest, const void *UA_RESTRICT src, size_t n); void *memset(void *dest, int c, size_t n); size_t strlen(const char *s); int memcmp(const void *vl, const void *vr, size_t n); #else # include #endif #ifdef __cplusplus } // extern "C" #endif #endif /* UA_CONFIG_H_ */