/************************************************************************* * * * YAP Prolog * * * * Yap Prolog was developed at NCCUP - Universidade do Porto * * * * Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 * * * ************************************************************************** * * * File: myddas_shared.c * * Last rev: 22/03/05 * * mods: * * comments: Predicates for maintaining MYDDAS * * * *************************************************************************/ #if defined MYDDAS_MYSQL || defined MYDDAS_ODBC #include "Yap.h" #include "Yatom.h" #include "cut_c.h" #include "myddas.h" #include #include "myddas_structs.h" #ifdef MYDDAS_STATS #include "myddas_statistics.h" #endif static Int c_db_initialize_myddas( USES_REGS1 ); static Int c_db_connection_type( USES_REGS1 ); static Int c_db_add_preds( USES_REGS1 ); static Int c_db_preds_conn_start ( USES_REGS1 ); static Int c_db_preds_conn_continue ( USES_REGS1 ); static Int c_db_connection_start ( USES_REGS1 ); static Int c_db_connection_continue ( USES_REGS1 ); static Int c_db_check_if_exists_pred( USES_REGS1 ); static Int c_db_delete_predicate( USES_REGS1 ); static Int c_db_multi_queries_number( USES_REGS1 ); #ifdef MYDDAS_STATS static Int c_db_stats( USES_REGS1 ); static Int c_db_stats_walltime( USES_REGS1 ); static Int c_db_stats_translate( USES_REGS1 ); static Int c_db_stats_time( USES_REGS1 ); #endif #ifdef DEBUG static Int c_db_check( USES_REGS1 ); #endif void Yap_InitMYDDAS_SharedPreds(void) { /* c_db_initialize_myddas */ Yap_InitCPred("c_db_initialize_myddas",0,c_db_initialize_myddas, 0); /* c_db_connection_type: Connection x Type */ Yap_InitCPred("c_db_connection_type",2,c_db_connection_type, 0); /* CORRECT THIS: db_add_preds : PredName * Arity * Connection */ Yap_InitCPred("c_db_add_preds",4,c_db_add_preds, 0); /* c_db_check_if_exists_pred : PredName * Arity * Connection */ Yap_InitCPred("c_db_check_if_exists_pred",3,c_db_check_if_exists_pred, 0); /* c_db_delete_pred : Module * PredName * Arity */ Yap_InitCPred("c_db_delete_predicate",3,c_db_delete_predicate, 0); /* c_db_delete_pred : Module * PredName * Arity */ Yap_InitCPred("c_db_multi_queries_number",2,c_db_multi_queries_number, 0); #ifdef MYDDAS_STATS /* c_db_stats: Connection * Stats */ Yap_InitCPred("c_db_stats",2, c_db_stats, 0); /* c_db_stats_walltime */ Yap_InitCPred("c_db_stats_walltime",1, c_db_stats_walltime, 0); /* c_db_stats_translate */ Yap_InitCPred("c_db_stats_translate",2,c_db_stats_translate, 0); /* c_db_stats_time */ Yap_InitCPred("c_db_stats_time",2,c_db_stats_time, 0); #endif #ifdef DEBUG Yap_InitCPred("c_db_check",0, c_db_check, 0); #endif } void Yap_InitBackMYDDAS_SharedPreds(void) { /* Gives all the predicates associated to a given connection */ Yap_InitCPredBack("c_db_preds_conn", 4, sizeof(Int), c_db_preds_conn_start, c_db_preds_conn_continue, 0); /* Gives all the connections stored on the MYDDAS Structure*/ Yap_InitCPredBack("c_db_connection", 1, sizeof(Int), c_db_connection_start, c_db_connection_continue, 0); } /* Initialize all of the MYDDAS global structures */ static Int c_db_initialize_myddas( USES_REGS1 ){ Yap_REGS.MYDDAS_GLOBAL_POINTER = myddas_init_initialize_myddas(); #ifdef MYDDAS_STATS Yap_REGS.MYDDAS_GLOBAL_POINTER = myddas_stats_initialize_global_stats(Yap_REGS.MYDDAS_GLOBAL_POINTER); #endif /* MYDDAS_STATS */ return TRUE; } /* Gives the type of a given connection, in other words, type will be mysql or odbc NOTE: In order to use this predicate, the connection*/ /* c_db_connection_type: +Connection * ?Type */ static Int c_db_connection_type ( USES_REGS1 ){ Term arg_con = Deref(ARG1); Term arg_type = Deref(ARG2); Int *con = (Int *) IntegerOfTerm(arg_con); Int type = myddas_util_connection_type(con); if (type == 1) /* MYSQL Connection */ Yap_unify(arg_type, MkAtomTerm(Yap_LookupAtom("mysql"))); else if (type ==2) /* ODBC Connection */ Yap_unify(arg_type, MkAtomTerm(Yap_LookupAtom("odbc"))); else /* Not a valid connection*/ return FALSE; return TRUE; } /* db_add_preds: PredName * Arity * Module * Connection*/ static Int c_db_add_preds ( USES_REGS1 ){ Term arg_nome = Deref(ARG1); Term arg_aridade = Deref(ARG2); Term arg_module = Deref(ARG3); Term arg_conn = Deref(ARG4); /* PredEntry *pe; */ /* pe = RepPredProp(PredPropByFunc(FunctorOfTerm(arg_pred),arg_module)); */ char *nome = AtomName(AtomOfTerm(arg_nome)); char *module = AtomName(AtomOfTerm(arg_module)); Int aridade = IntegerOfTerm(arg_aridade); Int *conn = (Int *) IntegerOfTerm(arg_conn); if (myddas_util_add_predicate(nome,aridade,module,conn) == NULL) { #ifdef DEBUG printf ("ERROR : Could not add Predicate: Line: %d File: %s\n",__LINE__,__FILE__); #endif return FALSE; } return TRUE; } static Int c_db_check_if_exists_pred ( USES_REGS1 ){ Term arg_nome = Deref(ARG1); Term arg_aridade = Deref(ARG2); Term arg_module = Deref(ARG3); char *nome = AtomName(AtomOfTerm(arg_nome)); char *module = AtomName(AtomOfTerm(arg_module)); Int aridade = IntegerOfTerm(arg_aridade); if (myddas_util_search_predicate(nome,aridade,module) == NULL) return FALSE; else return TRUE; } static Int c_db_delete_predicate( USES_REGS1 ){ Term arg_module = Deref(ARG1); Term arg_name = Deref(ARG2); Term arg_arity = Deref(ARG3); char *module = AtomName(AtomOfTerm(arg_module)); char *name = AtomName(AtomOfTerm(arg_name)); Int arity = IntegerOfTerm(arg_arity); MYDDAS_UTIL_PREDICATE predicate = myddas_util_search_predicate(name,arity,module); if (predicate == NULL) return FALSE; myddas_util_delete_predicate(predicate); return TRUE; } static Int c_db_multi_queries_number( USES_REGS1 ){ Term arg_conn = Deref(ARG1); Term arg_number = Deref(ARG2); Int *conn = (Int *) IntegerOfTerm(arg_conn); MYDDAS_UTIL_CONNECTION node = myddas_util_search_connection(conn); if (node == NULL) return FALSE; if (IsVarTerm(arg_number)){ Yap_unify(arg_number,MkIntegerTerm(((Int)myddas_util_get_total_multi_queries_number(node))+1)); } else { Int number = IntegerOfTerm(arg_number); number--; myddas_util_set_total_multi_queries_number(node,number); } return TRUE; } static Int c_db_connection_start( USES_REGS1 ){ MYDDAS_UTIL_CONNECTION node = Yap_REGS.MYDDAS_GLOBAL_POINTER->myddas_top_connections; EXTRA_CBACK_ARG(1,1)=(CELL) MkIntegerTerm((Int)node); return (c_db_connection_continue( PASS_REGS1 )); } static Int c_db_connection_continue( USES_REGS1 ){ Term arg_conn = Deref(ARG1); MYDDAS_UTIL_CONNECTION node; node = (MYDDAS_UTIL_CONNECTION) IntegerOfTerm(EXTRA_CBACK_ARG(1,1)); /* There is no connections */ if (node == NULL) { cut_fail(); return FALSE; } Yap_unify(arg_conn, MkIntegerTerm((Int)(node->connection))); EXTRA_CBACK_ARG(1,1)=(CELL) MkIntegerTerm((Int)(node->next)); return TRUE; } /* db_preds_conn : Connection(+) * Pred_name(-) * Pred_arity */ static Int c_db_preds_conn_start ( USES_REGS1 ){ Term arg_conn = Deref(ARG1); Int *conn = (Int *) IntegerOfTerm(arg_conn); MYDDAS_UTIL_CONNECTION node = myddas_util_search_connection(conn); /* Caso a ligacao já tenha sido apagada*/ if (node == NULL) { cut_fail(); return FALSE; } void *pointer = myddas_util_get_list_pred(node); EXTRA_CBACK_ARG(4,1)=(CELL) MkIntegerTerm((Int)pointer); return (c_db_preds_conn_continue( PASS_REGS1 )); } /* db_preds_conn : Connection(+) * Pred_name(-) * Pred_arity*/ static Int c_db_preds_conn_continue ( USES_REGS1 ){ Term module = Deref(ARG2); Term name = Deref(ARG3); Term arity = Deref(ARG4); void *pointer; pointer = (void *) IntegerOfTerm(EXTRA_CBACK_ARG(4,1)); if (pointer != NULL) { EXTRA_CBACK_ARG(4,1)=(CELL) MkIntegerTerm((Int)myddas_util_get_pred_next(pointer)); if (!Yap_unify(module, MkAtomTerm(Yap_LookupAtom(myddas_util_get_pred_module(pointer))))){ return FALSE; } if (!Yap_unify(name,MkAtomTerm(Yap_LookupAtom(myddas_util_get_pred_name(pointer))))){ return FALSE; } if (!Yap_unify(arity, MkIntegerTerm((Int)myddas_util_get_pred_arity(pointer)))){ return FALSE; } return TRUE; } else { cut_fail(); return FALSE; } } #ifdef DEBUG static Int c_db_check( USES_REGS1 ){ check_int(); return TRUE; } #endif /*DEBUG*/ #ifdef MYDDAS_STATS static Int c_db_stats_walltime( USES_REGS1 ){ Term arg_time = Deref(ARG1); #ifdef DEBUG if (IsVarTerm(arg_time)){ #endif Yap_unify(arg_time,MkIntegerTerm((Int)myddas_stats_walltime())); return TRUE; #ifdef DEBUG } else{ printf ("ERROR: c_db_stats_walltime got a variable\n"); return FALSE; } #endif } static Int c_db_stats_translate( USES_REGS1 ){ Term arg_start = Deref(ARG1); Term arg_end = Deref(ARG2); MYDDAS_STATS_TIME start; MYDDAS_STATS_TIME end; MYDDAS_STATS_TIME total_time,diff; #ifdef DEBUG //Both args must be instanciated if (IsNonVarTerm(arg_start) && IsNonVarTerm(arg_end)){ #endif start = (MYDDAS_STATS_TIME) IntegerOfTerm(arg_start); end = (MYDDAS_STATS_TIME) IntegerOfTerm(arg_end); MYDDAS_STATS_GET_TRANSLATE(total_time); MYDDAS_STATS_INITIALIZE_TIME_STRUCT(diff,time_copy); myddas_stats_subtract_time(diff,end,start); diff = myddas_stats_time_copy_to_final(diff); myddas_stats_add_time(total_time,diff,total_time); MyddasULInt count; MYDDAS_STATS_GET_TRANSLATE_COUNT(count); MYDDAS_STATS_SET_TRANSLATE_COUNT(++count); MYDDAS_FREE(diff,struct myddas_stats_time_struct); MYDDAS_FREE(start, struct myddas_stats_time_struct); MYDDAS_FREE(end, struct myddas_stats_time_struct); return TRUE; #ifdef DEBUG } else{ printf ("ERROR: c_db_stats_translate got a variable\n"); return FALSE; } #endif } static Int c_db_stats_time( USES_REGS1 ){ Term arg_reference = Deref(ARG1); Term arg_time = Deref(ARG2); Term final_term; MYDDAS_STATS_STRUCT struc = (MYDDAS_STATS_STRUCT)IntegerOfTerm(arg_reference); Functor functor_count = Yap_MkFunctor(Yap_LookupAtom("count"),1); Term count_number[1]; Functor unit; Term number[1]; switch(struc->type){ case integer: { Functor functor = Yap_MkFunctor(Yap_LookupAtom("myddas_integer"),2); Term integer_number[1]; MyddasULInt integer; unit = Yap_MkFunctor(Yap_LookupAtom("number"),1); integer = struc->u.integer.integer; number[0] = MkIntegerTerm(integer); integer_number[0] = Yap_MkApplTerm(unit,1,number);; count_number[0] = MkIntegerTerm(struc->count); integer_number[1] = Yap_MkApplTerm(functor_count,1,count_number); final_term = Yap_MkApplTerm(functor,2,integer_number); break; } case time_str: { MYDDAS_STATS_TIME time = struc->u.time_str.time_str; Functor functor = Yap_MkFunctor(Yap_LookupAtom("myddas_time"),6); Term time_numbers[6]; MyddasUInt time_number; unit = Yap_MkFunctor(Yap_LookupAtom("hours"),1); time_number = MYDDAS_STATS_TIME_HOURS(time); number[0] = MkIntegerTerm(time_number); time_numbers[0] = Yap_MkApplTerm(unit,1,number);; unit = Yap_MkFunctor(Yap_LookupAtom("minutes"),1); time_number = MYDDAS_STATS_TIME_MINUTES(time); number[0] = MkIntegerTerm(time_number); time_numbers[1] = Yap_MkApplTerm(unit,1,number);; unit = Yap_MkFunctor(Yap_LookupAtom("seconds"),1); time_number = MYDDAS_STATS_TIME_SECONDS(time); number[0] = MkIntegerTerm(time_number); time_numbers[2] = Yap_MkApplTerm(unit,1,number);; unit = Yap_MkFunctor(Yap_LookupAtom("miliseconds"),1); time_number = MYDDAS_STATS_TIME_MILISECONDS(time); number[0] = MkIntegerTerm(time_number); time_numbers[3] = Yap_MkApplTerm(unit,1,number);; unit = Yap_MkFunctor(Yap_LookupAtom("microseconds"),1); time_number = MYDDAS_STATS_TIME_MICROSECONDS(time); number[0] = MkIntegerTerm(time_number); time_numbers[4] = Yap_MkApplTerm(unit,1,number);; count_number[0] = MkIntegerTerm(struc->count); time_numbers[5] = Yap_MkApplTerm(functor_count,1,count_number); final_term = Yap_MkApplTerm(functor,6,time_numbers); break; } default: #ifdef DEBUG printf ("ERROR: c_db_stats_time unknow option\n"); #endif return FALSE; break; } if (!Yap_unify(arg_time,final_term )){ return FALSE; } return TRUE; } //Returns the stats of this module in a list static Int c_db_stats( USES_REGS1 ) { Term arg_conn = Deref(ARG1); Term arg_list = Deref(ARG2); MyddasPointer *conn = (MyddasPointer *) (IntegerOfTerm(arg_conn)); // TODO if (get_myddas_top() == 0 ){ /* We want all the statistics */ return FALSE; } MYDDAS_STATS_STRUCT str; MYDDAS_UTIL_CONNECTION node = myddas_util_search_connection(conn); Term head, list; list = arg_list; #ifdef DEBUG MYDDAS_STATS_TIME time = NULL; #endif //[Index 1] -> Total Number of Rows by connection //Total number of Rows returned by the server //WARNING: only works with store_result head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,5); Yap_unify(head, MkIntegerTerm((MyddasInt)str)); #ifdef DEBUG MyddasUInt number = 0; MYDDAS_STATS_CON_GET_TOTAL_ROWS(node,number); printf ("Total Number of Rows returned from the Server\n"); printf ("%lu\n\n",(unsigned long)number); #endif //[Index 2] -> Total of Time Spent by the DB Server // processing all the SQL Querys head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,1); Yap_unify(head, MkIntegerTerm((MyddasInt)str)); #ifdef DEBUG MYDDAS_STATS_CON_GET_TOTAL_TIME_DBSERVER(node,time); printf ("Reference to time Spent by the Server, on all the SQL Querys\n"); MYDDAS_STATS_PRINT_TIME_STRUCT(time); printf ("\n\n"); #endif //[Index 3] -> Total of Time Spent by the DB Server // processing a the last SQL Query head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,2); Yap_unify(head, MkIntegerTerm((MyddasInt)str)); #ifdef DEBUG MYDDAS_STATS_CON_GET_LAST_TIME_DBSERVER(node,time); printf ("Reference to time Spent by the Server, on the last SQL Query\n"); MYDDAS_STATS_PRINT_TIME_STRUCT(time); printf ("\n\n"); #endif //[Index 4] -> Total of Time Spent by the DB Server // transfering all the results of the SQL Querys head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,3); Yap_unify(head, MkIntegerTerm((MyddasInt)str)); #ifdef DEBUG MYDDAS_STATS_CON_GET_TOTAL_TIME_TRANSFERING(node,time); printf ("Refence to time Spent by the Server, transfering all the results SQL Query\n"); MYDDAS_STATS_PRINT_TIME_STRUCT(time); printf ("\n\n"); #endif //[Index 5] -> Total of Time Spent by the DB Server // transfering the result of the last SQL Query head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,4); Yap_unify(head, MkIntegerTerm((MyddasInt)str)); #ifdef DEBUG MYDDAS_STATS_CON_GET_LAST_TIME_TRANSFERING(node,time); printf ("Reference to time Spent by the Server, transfering the result of the last SQL Query\n"); MYDDAS_STATS_PRINT_TIME_STRUCT(time); printf ("\n\n"); #endif //[Index 6] -> Total of Time Spent by the // db_row_function head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(Yap_REGS.MYDDAS_GLOBAL_POINTER->myddas_statistics->stats,1); Yap_unify(head, MkIntegerTerm((MyddasInt)str)); #ifdef DEBUG MYDDAS_STATS_GET_DB_ROW_FUNCTION(time); printf ("Reference to time Spent by the db_row_function\n"); MYDDAS_STATS_PRINT_TIME_STRUCT(time); printf ("\n\n"); #endif //[Index 7] -> Total of Bytes Transfered by the // DB Server on all SQL Querys head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,6); Yap_unify(head, MkIntegerTerm((MyddasPointer)str)); #ifdef DEBUG MYDDAS_STATS_CON_GET_TOTAL_BYTES_TRANSFERING_FROM_DBSERVER(node,number); printf ("Bytes Transfered by the DB Server from all querys\n"); printf ("%llu\n\n",(MyddasULInt)number); #endif //[Index 8] -> Total of Bytes Transfered by the // DB Server on the last SQL Query head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,7); Yap_unify(head, MkIntegerTerm((MyddasPointer)str)); #ifdef DEBUG MYDDAS_STATS_CON_GET_LAST_BYTES_TRANSFERING_FROM_DBSERVER(node,number); printf ("Bytes Transfered by the DB Server on the last query\n"); printf ("%llu\n\n",(MyddasULInt)number); #endif //[Index 9] -> Number of querys made to the DBserver head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(node->stats,8); Yap_unify(head, MkIntegerTerm((MyddasPointer)str)); #ifdef DEBUG MYDDAS_STATS_CON_GET_NUMBER_QUERIES_MADE(node,number); printf ("Number of Querys made to the server\n"); printf ("%llu\n\n",(MyddasULInt)number); #endif //[Index 10] -> Total of Time Spent by the // translate predicate head = HeadOfTerm(list); list = TailOfTerm(list); str = myddas_stats_get_stat(Yap_REGS.MYDDAS_GLOBAL_POINTER->myddas_statistics->stats,2); Yap_unify(head, MkIntegerTerm((Int)str)); #ifdef DEBUG MYDDAS_STATS_GET_TRANSLATE(time); printf ("Reference to time Spent by the translate predicate\n"); MYDDAS_STATS_PRINT_TIME_STRUCT(time); printf ("\n\n"); #endif /* Memory management */ #ifdef DEBUG MyddasULInt nr; MYDDAS_MEMORY_MALLOC_NR(nr); printf ("Number of times malloc was called in MYDDAS: %lu \n",nr); MYDDAS_MEMORY_FREE_NR(nr); printf ("Number of times free was called in MYDDAS : %lu \n",nr); MYDDAS_MEMORY_MALLOC_SIZE(nr); printf ("Total memory allocated in MYDDAS: %lu \n",nr); MYDDAS_MEMORY_FREE_SIZE(nr); printf ("Total memory freed in MYDDAS : %lu \n",nr); #endif return TRUE; } #endif /* MYDDAS_STATS */ /* Function to delete all the temporary tables */ /* from the mysql server */ void Yap_MYDDAS_delete_all_myddas_structs(void) { CACHE_REGS /* NAO ESQUECER DE FAZER ISTO TB PARA O DB_CLOSE*/ MYDDAS_GLOBAL global = Yap_REGS.MYDDAS_GLOBAL_POINTER; /* In case that the MYDDAS module isn't loaded */ if (global == NULL) return; MYDDAS_UTIL_CONNECTION connections = global->myddas_top_connections; /* Delete all connections */ for(;connections!=NULL;connections=connections->next) myddas_util_delete_connection(connections->connection); #ifdef MYDDAS_STATS myddas_stats_delete_stats_list(global->myddas_statistics->stats); MYDDAS_FREE(global->myddas_statistics,struct myddas_global_stats); #endif MYDDAS_FREE(global,struct myddas_global); #ifdef DEBUG MyddasULInt nr; MYDDAS_MEMORY_MALLOC_NR(nr); printf ("Number of times malloc was called in MYDDAS: " UInt_FORMAT " \n",(UInt)nr); MYDDAS_MEMORY_FREE_NR(nr); printf ("Number of times free was called in MYDDAS : " UInt_FORMAT " \n",(UInt)nr); MYDDAS_MEMORY_MALLOC_SIZE(nr); printf ("Total memory allocated in MYDDAS: " UInt_FORMAT " \n",(UInt)nr); MYDDAS_MEMORY_FREE_SIZE(nr); printf ("Total memory freed in MYDDAS : " UInt_FORMAT " \n",(UInt)nr); #endif } void init_myddas(void) { CACHE_REGS #if defined MYDDAS_MYSQL Yap_InitBackMYDDAS_MySQLPreds(); #endif #if defined MYDDAS_ODBC Yap_InitBackMYDDAS_ODBCPreds(); #endif #if defined MYDDAS_ODBC || defined MYDDAS_MYSQL Yap_InitBackMYDDAS_SharedPreds(); #endif #if defined MYDDAS_MYSQL Yap_InitMYDDAS_MySQLPreds(); #endif #if defined MYDDAS_ODBC Yap_InitMYDDAS_ODBCPreds(); #endif #if defined MYDDAS_ODBC || defined MYDDAS_MYSQL Yap_InitMYDDAS_SharedPreds(); #endif #if defined MYDDAS_TOP_LEVEL && defined MYDDAS_MYSQL // && defined HAVE_LIBREADLINE Yap_InitMYDDAS_TopLevelPreds(); #endif #ifdef MYDDAS_MYSQL_INIT if (yap_init->myddas) { Yap_PutValue(AtomMyddasGoal,MkIntegerTerm(yap_init->myddas)); /* Mandatory Fields */ Yap_PutValue(AtomMyddasUser,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_user))); Yap_PutValue(AtomMyddasDB,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_db))); /* Non-Mandatory Fields */ if (yap_init->myddas_pass != NULL) Yap_PutValue(AtomMyddasPass,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_pass))); if (yap_init->myddas_host != NULL) Yap_PutValue(AtomMyddasHost,MkAtomTerm(Yap_LookupAtom(yap_init->myddas_host))); } #endif #if defined MYDDAS_MYSQL || defined MYDDAS_ODBC Yap_REGS.MYDDAS_GLOBAL_POINTER = NULL; Yap_PutValue(AtomMyddasVersionName, MkAtomTerm(Yap_LookupAtom(MYDDAS_VERSION))); Yap_HaltRegisterHook((HaltHookFunc)Yap_MYDDAS_delete_all_myddas_structs,NULL); Yap_MYDDAS_delete_all_myddas_structs(); #endif } #ifdef _WIN32 int WINAPI PROTO(win_myddas, (HANDLE, DWORD, LPVOID)); int WINAPI win_myddas(HANDLE hinst, DWORD reason, LPVOID reserved) { switch (reason) { case DLL_PROCESS_ATTACH: break; case DLL_PROCESS_DETACH: break; case DLL_THREAD_ATTACH: break; case DLL_THREAD_DETACH: break; } return 1; } #endif #endif /*MYDDAS_MYSQL || MYDDAS_ODBC*/