#include "lfds610_abstraction_internal_body.h" /****************************************************************************/ #if (defined _WIN32 && defined _MSC_VER) /* TRD : 64 bit and 32 bit Windows (user-mode or kernel) on any CPU with the Microsoft C compiler _WIN32 indicates 64-bit or 32-bit Windows _MSC_VER indicates Microsoft C compiler */ static LFDS610_INLINE lfds610_atom_t lfds610_abstraction_cas( volatile lfds610_atom_t *destination, lfds610_atom_t exchange, lfds610_atom_t compare ) { assert( destination != NULL ); // TRD : exchange can be any value in its range // TRD : compare can be any value in its range return( (lfds610_atom_t) _InterlockedCompareExchangePointer((void * volatile *) destination, (void *) exchange, (void *) compare) ); } #endif /****************************************************************************/ #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 1 && __GNUC_PATCHLEVEL__ >= 0) /* TRD : any OS on any CPU with GCC 4.1.0 or better GCC 4.1.0 introduced the __sync_*() atomic intrinsics __GNUC__ / __GNUC_MINOR__ / __GNUC_PATCHLEVEL__ indicates GCC and which version */ static LFDS610_INLINE lfds610_atom_t lfds610_abstraction_cas( volatile lfds610_atom_t *destination, lfds610_atom_t exchange, lfds610_atom_t compare ) { assert( destination != NULL ); // TRD : exchange can be any value in its range // TRD : compare can be any value in its range // TRD : note the different argument order for the GCC instrinsic to the MSVC instrinsic return( (lfds610_atom_t) __sync_val_compare_and_swap(destination, compare, exchange) ); } #endif