2010-03-21 22:12:42 +00:00
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//
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// File defining fields in the Yap_GLOBAL global structure
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//
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// these fields used to spread all over the place, because they must be used in 3 ways:
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// - they must be defined somewhere
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// - they have an #ifdef to get a shorter name
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// - they must be initialised somewhere
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// - they may be of interest to restore
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//
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// The defs include 4+ components:
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// Type
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// name in structured
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// global name
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// init code (optional)
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// restore code (optional)
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//
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//
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// Stuff that must be considered local to a thread or worker
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START_WORKER_LOCAL
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2010-07-27 17:28:58 +01:00
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// Streams
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int c_input_stream Yap_c_input_stream =0
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int c_output_stream Yap_c_output_stream =1
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int c_error_stream Yap_c_error_stream =2
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2010-03-21 22:12:42 +00:00
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/* shifts and restore: per local data-structure */
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restoreinfo rinfo
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. rinfo.old_ASP OldASP =NULL
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. rinfo.old_LCL0 OldLCL0 =NULL
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. rinfo.old_TR OldTR =NULL
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. rinfo.old_GlobalBase OldGlobalBase =NULL
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. rinfo.old_H OldH =NULL
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. rinfo.old_H0 OldH0 =NULL
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. rinfo.old_TrailBase OldTrailBase =NULL
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. rinfo.old_TrailTop OldTrailTop =NULL
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. rinfo.old_HeapBase OldHeapBase =NULL
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. rinfo.old_HeapTop OldHeapTop =NULL
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. rinfo.cl_diff ClDiff =0L
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. rinfo.g_diff GDiff =0L
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. rinfo.h_diff HDiff =0L
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. rinfo.g_diff0 GDiff0 =0L
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. rinfo.g_split GSplit =NULL
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. rinfo.l_diff LDiff =0L
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. rinfo.tr_diff TrDiff =0L
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. rinfo.x_diff XDiff =0L
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. rinfo.delay_diff DelayDiff =0L
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. rinfo.base_diff BaseDiff =0L
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struct reduction_counters call_counters
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. call_counters.reductions ReductionsCounter =0L
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. call_counters.reductions_retries PredEntriesCounter =0L
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. call_counters.retries RetriesCounter =0L
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. call_counters.reductions_on ReductionsCounterOn =0L
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. call_counters.reductions_retries_on PredEntriesCounterOn =0L
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. call_counters.retries_on RetriesCounterOn =0L
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int interrupts_disabled Yap_InterruptsDisabled =FALSE
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// support for consulting files
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/* current consult stack */
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union CONSULT_OBJ* consultsp ConsultSp =NULL
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/* current maximum number of cells in consult stack */
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UInt consultcapacity ConsultCapacity void
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/* top of consult stack */
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union CONSULT_OBJ* consultbase ConsultBase =NULL
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/* low-water mark for consult */
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union CONSULT_OBJ* consultlow ConsultLow =NULL
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//global variables
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Term global_arena GlobalArena =0L TermToGlobalOrAtomAdjust
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UInt global_arena_overflows GlobalArenaOverflows =0L
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Int delay_arena_overflows DelayArenaOverflows =0L
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Int arena_overflows ArenaOverflows =0L
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Int depth_arenas DepthArenas =0
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int arith_error ArithError =FALSE
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struct pred_entry* last_asserted_pred LastAssertedPred =NULL
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int debug_on DebugOn =FALSE
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struct format_status* f_info FormatInfo =NULL
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char* scanner_stack ScannerStack =NULL
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struct scanner_extra_alloc* scanner_extra_blocks ScannerExtraBlocks =NULL
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struct DB_TERM *ball_term BallTerm =NULL RestoreBallTerm(wid)
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UInt active_signals ActiveSignals =0L
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UInt i_pred_arity IPredArity =0L
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yamop* prof_end ProfEnd =NULL
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int uncaught_throw UncaughtThrow =FALSE
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int doing_undefp DoingUndefp =FALSE
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Int start_line StartLine =0L
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scratch_block scratchpad ScratchPad InitScratchPad(wid)
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#ifdef COROUTINING
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Term woken_goals WokenGoals =0L TermToGlobalAdjust
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Term atts_mutable_list AttsMutableList =0L TermToGlobalAdjust
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#endif
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// gc_stuff
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Term gc_generation GcGeneration =0L TermToGlobalAdjust
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Term gc_phase GcPhase =0L TermToGlobalAdjust
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UInt gc_current_phase GcCurrentPhase =0L
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UInt gc_calls GcCalls =0L
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Int tot_gc_time TotGcTime =0L
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YAP_ULONG_LONG tot_gc_recovered TotGcRecovered =0L
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Int last_gc_time LastGcTime =0L
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Int last_ss_time LastSSTime =0L
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// global variables that cannot be global in a thread/or-p implementation
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#if defined(YAPOR) || defined(THREADS)
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lockvar signal_lock SignalLock MkLock
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struct pred_entry* wpp WPP =NULL
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/* in a single gc */
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Int tot_marked total_marked =0L
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Int tot_oldies total_oldies =0L
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#if DEBUG && COROUTINING
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UInt tot_smarked total_smarked =0L
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#endif
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struct choicept *wl_current_B current_B =NULL
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CELL* wl_prev_HB prev_HB =NULL
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CELL* hgen HGEN =NULL
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CELL** ip_top iptop =NULL
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#if GC_NO_TAGS
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char* b_p Yap_bp =NULL
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#endif
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#if defined(TABLING) || defined(SBA)
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struct trail_frame* wl_sTR sTR =NULL
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struct trail_frame* wl_sTR0 sTR0 =NULL
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struct trail_frame* new_tr new_TR =NULL
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#else
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Term *wl_sTR sTR =NULL
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Term *wl_sTR0 sTR0 =NULL
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Term *new_tr new_TR =NULL
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#endif
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struct gc_mark_continuation* conttop0 cont_top0 =NULL
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struct gc_mark_continuation* conttop cont_top =NULL
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2010-06-19 14:38:04 +01:00
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int disc_trail_entries discard_trail_entries =0
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2010-03-21 22:12:42 +00:00
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gc_ma_hash_entry Gc_ma_hash_table[GC_MAVARS_HASH_SIZE] gc_ma_hash_table void
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gc_ma_hash_entry* Gc_ma_h_top gc_ma_h_top =NULL
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gc_ma_hash_entry* Gc_ma_h_list gc_ma_h_list =NULL
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UInt Gc_timestamp gc_timestamp =0L
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ADDR DB_vec db_vec =NULL
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ADDR DB_vec0 db_vec0 =NULL
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struct RB_red_blk_node* DB_root db_root =NULL
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struct RB_red_blk_node* DB_nil db_nil =NULL
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#endif /* defined(YAPOR) || defined(THREADS) */
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jmp_buf gc_restore Yap_gc_restore void
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struct array_entry* dynamic_arrays DynamicArrays =NULL PtoArrayEAdjust
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struct static_array_entry* static_arrays StaticArrays =NULL PtoArraySAdjust
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struct global_entry* global_variables GlobalVariables =NULL PtoGlobalEAdjust
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int allow_restart Yap_AllowRestart =FALSE
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2010-04-15 22:23:54 +01:00
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// Thread Local Area for Fast Storage of Intermediate Compiled Code.
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struct mem_blk* cmem_first_block Yap_CMemFirstBlock =NULL
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UInt cmem_first_block_sz Yap_CMemFirstBlockSz =0L
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// Thread Local Area for Labels.
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Int* label_first_array Yap_LabelFirstArray =NULL
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UInt label_first_array_sz Yap_LabelFirstArraySz =0L
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2010-04-29 23:04:04 +01:00
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// Thread Local Area for SWI-Prolog emulation routines.
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char* putc_curp_ putc_curp =NULL
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char* putc_cur_buf_ putc_cur_buf =NULL
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char* putc_cur_lim_ putc_cur_lim =NULL
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UInt putc_cur_flags_ putc_cur_flags =0L
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2010-04-15 22:23:54 +01:00
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2010-06-14 09:26:32 +01:00
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struct open_query_struct* _execution execution =NULL
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2010-03-21 22:12:42 +00:00
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// Ricardo's stuff
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#if (defined(YAPOR) || defined(TABLING)) && defined(THREADS)
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struct worker worker WORKER void
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#endif
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#ifdef THREADS
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2010-06-19 14:38:04 +01:00
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struct thandle thread_handle ThreadHandle InitThreadHandle(wid)
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2010-03-21 22:12:42 +00:00
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#define FOREIGN_ThreadHandle(wid) (Yap_WLocal[(wid)].thread_handle)
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#define MY_ThreadHandle (Yap_WLocal[worker_id].thread_handle)
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#endif
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2010-06-14 09:26:32 +01:00
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2010-03-21 22:12:42 +00:00
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// END WORKER LOCAL STUFF
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END_WORKER_LOCAL
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// Stuff that must be shared by all threads or workers
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START_WORKER_SHARED
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/* multi-thread support */
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#if THREADS
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/* number of threads and processes in system */
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UInt n_of_threads NOfThreads =1
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/* number of threads created since start */
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UInt n_of_threads_created NOfThreadsCreated =1
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/* total run time for dead threads */
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UInt threads_total_time ThreadsTotalTime =0L
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#endif
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// multi-thread/ORP support
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#if defined(YAPOR) || defined(THREADS)
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// protect long critical regions
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lockvar bgl BGL MkLock
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#endif
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2010-07-21 10:58:24 +01:00
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Functor f_swi_stream FSWIStream =NULL
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SWI_GetFunction swi_getc SWIGetc =NULL
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SWI_PutFunction swi_putc SWIPutc =NULL
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SWI_GetWideFunction swi_wgetc SWIWideGetc =NULL
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SWI_PutWideFunction swi_wputc SWIWidePutc =NULL
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SWI_CloseFunction swi_close SWIClose =NULL
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2010-03-21 22:12:42 +00:00
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// stack overflow expansion/gc control
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int allow_local_expansion Yap_AllowLocalExpansion =TRUE
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int allow_global_expansion Yap_AllowGlobalExpansion =TRUE
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int allow_trail_expansion Yap_AllowTrailExpansion =TRUE
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UInt size_of_overflow SizeOfOverflow =0
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// amount of space recovered in all garbage collections
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UInt agc_last_call AGcLastCall =0
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// amount of space recovered in all garbage collections
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UInt agc_threshold AGcThreshold =10000
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Agc_hook agc_hook AGCHook =NULL
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// readline
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#if HAVE_LIBREADLINE
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char *readline_buf ReadlineBuf =NULL
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char *readline_pos ReadlinePos =0L
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#endif
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// Threads Array
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#ifdef THREADS
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lockvar thread_handles_lock ThreadHandlesLock MkLock
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#endif
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// Ricardo's stuff
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#if defined(YAPOR) || defined(TABLING)
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struct global_data global GLOBAL void
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struct local_data remote[MAX_WORKERS] REMOTE void
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#endif
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2010-04-13 00:31:48 +01:00
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// initialization: tell whether the system has been initialised and by whom.
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int initialised Yap_Initialised =FALSE
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int initialised_from_pl Yap_InitialisedFromPL =FALSE
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int pl_argc Yap_PL_Argc =0
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char **pl_argv Yap_PL_Argv =NULL
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2010-03-21 22:12:42 +00:00
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END_WORKER_SHARED
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