// // File defining fields in the Yap_GLOBAL global structure // // these fields used to spread all over the place, because they must be used in 3 ways: // - they must be defined somewhere // - they have an #ifdef to get a shorter name // - they must be initialised somewhere // - they may be of interest to restore // // The defs include 4+ components: // Type // name in structured // global name // init code (optional) // restore code (optional) // // // Stuff that must be considered local to a thread or worker START_WORKER_LOCAL /* shifts and restore: per local data-structure */ restoreinfo rinfo . rinfo.old_ASP OldASP =NULL . rinfo.old_LCL0 OldLCL0 =NULL . rinfo.old_TR OldTR =NULL . rinfo.old_GlobalBase OldGlobalBase =NULL . rinfo.old_H OldH =NULL . rinfo.old_H0 OldH0 =NULL . rinfo.old_TrailBase OldTrailBase =NULL . rinfo.old_TrailTop OldTrailTop =NULL . rinfo.old_HeapBase OldHeapBase =NULL . rinfo.old_HeapTop OldHeapTop =NULL . rinfo.cl_diff ClDiff =0L . rinfo.g_diff GDiff =0L . rinfo.h_diff HDiff =0L . rinfo.g_diff0 GDiff0 =0L . rinfo.g_split GSplit =NULL . rinfo.l_diff LDiff =0L . rinfo.tr_diff TrDiff =0L . rinfo.x_diff XDiff =0L . rinfo.delay_diff DelayDiff =0L . rinfo.base_diff BaseDiff =0L struct reduction_counters call_counters . call_counters.reductions ReductionsCounter =0L . call_counters.reductions_retries PredEntriesCounter =0L . call_counters.retries RetriesCounter =0L . call_counters.reductions_on ReductionsCounterOn =0L . call_counters.reductions_retries_on PredEntriesCounterOn =0L . call_counters.retries_on RetriesCounterOn =0L int interrupts_disabled Yap_InterruptsDisabled =FALSE // support for consulting files /* current consult stack */ union CONSULT_OBJ* consultsp ConsultSp =NULL /* current maximum number of cells in consult stack */ UInt consultcapacity ConsultCapacity void /* top of consult stack */ union CONSULT_OBJ* consultbase ConsultBase =NULL /* low-water mark for consult */ union CONSULT_OBJ* consultlow ConsultLow =NULL //global variables Term global_arena GlobalArena =0L TermToGlobalOrAtomAdjust UInt global_arena_overflows GlobalArenaOverflows =0L Int delay_arena_overflows DelayArenaOverflows =0L Int arena_overflows ArenaOverflows =0L Int depth_arenas DepthArenas =0 int arith_error ArithError =FALSE struct pred_entry* last_asserted_pred LastAssertedPred =NULL int debug_on DebugOn =FALSE struct format_status* f_info FormatInfo =NULL char* scanner_stack ScannerStack =NULL struct scanner_extra_alloc* scanner_extra_blocks ScannerExtraBlocks =NULL struct DB_TERM *ball_term BallTerm =NULL RestoreBallTerm(wid) UInt active_signals ActiveSignals =0L UInt i_pred_arity IPredArity =0L yamop* prof_end ProfEnd =NULL int uncaught_throw UncaughtThrow =FALSE int doing_undefp DoingUndefp =FALSE Int start_line StartLine =0L scratch_block scratchpad ScratchPad InitScratchPad(wid) #ifdef COROUTINING Term woken_goals WokenGoals =0L TermToGlobalAdjust Term atts_mutable_list AttsMutableList =0L TermToGlobalAdjust #endif // gc_stuff Term gc_generation GcGeneration =0L TermToGlobalAdjust Term gc_phase GcPhase =0L TermToGlobalAdjust UInt gc_current_phase GcCurrentPhase =0L UInt gc_calls GcCalls =0L Int tot_gc_time TotGcTime =0L YAP_ULONG_LONG tot_gc_recovered TotGcRecovered =0L Int last_gc_time LastGcTime =0L Int last_ss_time LastSSTime =0L // global variables that cannot be global in a thread/or-p implementation #if defined(YAPOR) || defined(THREADS) lockvar signal_lock SignalLock MkLock struct pred_entry* wpp WPP =NULL /* in a single gc */ Int tot_marked total_marked =0L Int tot_oldies total_oldies =0L #if DEBUG && COROUTINING UInt tot_smarked total_smarked =0L #endif struct choicept *wl_current_B current_B =NULL CELL* wl_prev_HB prev_HB =NULL CELL* hgen HGEN =NULL CELL** ip_top iptop =NULL #if GC_NO_TAGS char* b_p Yap_bp =NULL #endif #if defined(TABLING) || defined(SBA) struct trail_frame* wl_sTR sTR =NULL struct trail_frame* wl_sTR0 sTR0 =NULL struct trail_frame* new_tr new_TR =NULL #else Term *wl_sTR sTR =NULL Term *wl_sTR0 sTR0 =NULL Term *new_tr new_TR =NULL #endif struct gc_mark_continuation* conttop0 cont_top0 =NULL struct gc_mark_continuation* conttop cont_top =NULL int disc_trail_entries discard_trail_entries =NULL gc_ma_hash_entry Gc_ma_hash_table[GC_MAVARS_HASH_SIZE] gc_ma_hash_table void gc_ma_hash_entry* Gc_ma_h_top gc_ma_h_top =NULL gc_ma_hash_entry* Gc_ma_h_list gc_ma_h_list =NULL UInt Gc_timestamp gc_timestamp =0L ADDR DB_vec db_vec =NULL ADDR DB_vec0 db_vec0 =NULL struct RB_red_blk_node* DB_root db_root =NULL struct RB_red_blk_node* DB_nil db_nil =NULL #endif /* defined(YAPOR) || defined(THREADS) */ jmp_buf gc_restore Yap_gc_restore void struct array_entry* dynamic_arrays DynamicArrays =NULL PtoArrayEAdjust struct static_array_entry* static_arrays StaticArrays =NULL PtoArraySAdjust struct global_entry* global_variables GlobalVariables =NULL PtoGlobalEAdjust int allow_restart Yap_AllowRestart =FALSE // Thread Local Area for Fast Storage of Intermediate Compiled Code. struct mem_blk* cmem_first_block Yap_CMemFirstBlock =NULL UInt cmem_first_block_sz Yap_CMemFirstBlockSz =0L // Thread Local Area for Labels. Int* label_first_array Yap_LabelFirstArray =NULL UInt label_first_array_sz Yap_LabelFirstArraySz =0L // Ricardo's stuff #if (defined(YAPOR) || defined(TABLING)) && defined(THREADS) struct worker worker WORKER void #endif #ifdef THREADS struct thandle thread_handle ThreadHandle InitThreadHandle #define FOREIGN_ThreadHandle(wid) (Yap_WLocal[(wid)].thread_handle) #define MY_ThreadHandle (Yap_WLocal[worker_id].thread_handle) #endif // END WORKER LOCAL STUFF END_WORKER_LOCAL // Stuff that must be shared by all threads or workers START_WORKER_SHARED /* multi-thread support */ #if THREADS /* number of threads and processes in system */ UInt n_of_threads NOfThreads =1 /* number of threads created since start */ UInt n_of_threads_created NOfThreadsCreated =1 /* total run time for dead threads */ UInt threads_total_time ThreadsTotalTime =0L #endif // multi-thread/ORP support #if defined(YAPOR) || defined(THREADS) // protect long critical regions lockvar bgl BGL MkLock #endif // stack overflow expansion/gc control int allow_local_expansion Yap_AllowLocalExpansion =TRUE int allow_global_expansion Yap_AllowGlobalExpansion =TRUE int allow_trail_expansion Yap_AllowTrailExpansion =TRUE UInt size_of_overflow SizeOfOverflow =0 // amount of space recovered in all garbage collections UInt agc_last_call AGcLastCall =0 // amount of space recovered in all garbage collections UInt agc_threshold AGcThreshold =10000 Agc_hook agc_hook AGCHook =NULL // readline #if HAVE_LIBREADLINE char *readline_buf ReadlineBuf =NULL char *readline_pos ReadlinePos =0L #endif // Threads Array #ifdef THREADS lockvar thread_handles_lock ThreadHandlesLock MkLock #endif // Ricardo's stuff #if defined(YAPOR) || defined(TABLING) struct global_data global GLOBAL void struct local_data remote[MAX_WORKERS] REMOTE void #endif // initialization: tell whether the system has been initialised and by whom. int initialised Yap_Initialised =FALSE int initialised_from_pl Yap_InitialisedFromPL =FALSE int pl_argc Yap_PL_Argc =0 char **pl_argv Yap_PL_Argv =NULL END_WORKER_SHARED