/***** public prototypes *****/ #include "../inc/liblfds700.h" /***** defines *****/ #define and && #define or || #define NO_FLAGS 0x0 #define LFDS700_ABSTRACTION_BACKOFF_LIMIT (0x1 << 10) #if( defined _KERNEL_MODE ) #define MODE_TYPE_STRING "kernel-mode" #endif #if( !defined _KERNEL_MODE ) #define MODE_TYPE_STRING "user-mode" #endif #if( defined NDEBUG && !defined COVERAGE && !defined TSAN ) #define BUILD_TYPE_STRING "release" #endif #if( !defined NDEBUG && !defined COVERAGE && !defined TSAN ) #define BUILD_TYPE_STRING "debug" #endif #if( !defined NDEBUG && defined COVERAGE && !defined TSAN ) #define BUILD_TYPE_STRING "coverage" #endif #if( !defined NDEBUG && !defined COVERAGE && defined TSAN ) #define BUILD_TYPE_STRING "threadsanitizer" #endif // TRD : lfds700_pal_atom_t volatile *destination, lfds700_pal_atom_t *compare, lfds700_pal_atom_t new_destination, enum lfds700_misc_cas_strength cas_strength, char unsigned result, lfds700_pal_uint_t *backoff_iteration #define LFDS700_PAL_ATOMIC_CAS_WITH_BACKOFF( pointer_to_destination, pointer_to_compare, new_destination, cas_strength, result, backoff_iteration, ps ) \ { \ LFDS700_PAL_ATOMIC_CAS( pointer_to_destination, pointer_to_compare, new_destination, cas_strength, result ); \ \ if( result == 0 ) \ { \ lfds700_pal_uint_t \ endloop; \ \ lfds700_pal_uint_t volatile \ loop; \ \ if( (backoff_iteration) == LFDS700_ABSTRACTION_BACKOFF_LIMIT ) \ (backoff_iteration) = LFDS700_MISC_ABSTRACTION_BACKOFF_INITIAL_VALUE; \ \ if( (backoff_iteration) == LFDS700_MISC_ABSTRACTION_BACKOFF_INITIAL_VALUE ) \ (backoff_iteration) = 1; \ else \ { \ endloop = ( LFDS700_MISC_PRNG_GENERATE(ps) % (backoff_iteration) ) * ps->local_copy_of_global_exponential_backoff_timeslot_length_in_loop_iterations_for_cas; \ for( loop = 0 ; loop < endloop ; loop++ ); \ } \ \ (backoff_iteration) <<= 1; \ } \ } // TRD : lfds700_pal_atom_t volatile (*destination)[2], lfds700_pal_atom_t (*compare)[2], lfds700_pal_atom_t (*new_destination)[2], enum lfds700_misc_cas_strength cas_strength, char unsigned result, lfds700_pal_uint_t *backoff_iteration #define LFDS700_PAL_ATOMIC_DWCAS_WITH_BACKOFF( pointer_to_destination, pointer_to_compare, pointer_to_new_destination, cas_strength, result, backoff_iteration, ps ) \ { \ LFDS700_PAL_ATOMIC_DWCAS( pointer_to_destination, pointer_to_compare, pointer_to_new_destination, cas_strength, result ); \ \ if( result == 0 ) \ { \ lfds700_pal_uint_t \ endloop; \ \ lfds700_pal_uint_t volatile \ loop; \ \ if( (backoff_iteration) == LFDS700_ABSTRACTION_BACKOFF_LIMIT ) \ (backoff_iteration) = LFDS700_MISC_ABSTRACTION_BACKOFF_INITIAL_VALUE; \ \ if( (backoff_iteration) == LFDS700_MISC_ABSTRACTION_BACKOFF_INITIAL_VALUE ) \ (backoff_iteration) = 1; \ else \ { \ endloop = ( LFDS700_MISC_PRNG_GENERATE(ps) % (backoff_iteration) ) * ps->local_copy_of_global_exponential_backoff_timeslot_length_in_loop_iterations_for_dwcas; \ for( loop = 0 ; loop < endloop ; loop++ ); \ } \ \ (backoff_iteration) <<= 1; \ } \ } /***** library-wide prototypes *****/