Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / tools / perl-5.8.0 / lib / site_perl / 5.8.0 / sun4-solaris / auto / DBI / DBIXS.h
/* $Id: DBIXS.h,v 10.18 2001/06/04 17:13:25 timbo Exp $
*
* Copyright (c) 1994, 1995, 1996, 1997, 1998, 1999 Tim Bunce England
*
* See COPYRIGHT section in DBI.pm for usage and distribution rights.
*/
/* DBI Interface Definitions for DBD Modules */
#ifndef DBIXS_VERSION /* prevent multiple inclusion */
#ifndef DBIS
#define DBIS dbis /* default name for dbistate_t variable */
#endif
/* first pull in the standard Perl header files for extensions */
#define PERL_POLLUTE
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
#ifdef debug /* causes problems with DBIS->debug */
#undef debug
#endif
/* Perl backwards compatibility definitions */
#include "dbipport.h"
/* DBI SQL_* type definitions */
#include "dbi_sql.h"
/* The DBIXS_VERSION value will be incremented whenever new code is
* added to the interface (this file) or significant changes are made.
* It's primary goal is to allow newer drivers to compile against an
* older installed DBI. This is mainly an issue whilst the API grows
* and learns from the needs of various drivers. See also the
* DBISTATE_VERSION macro below. You can think of DBIXS_VERSION as
* being a compile time check and DBISTATE_VERSION as a runtime check.
*/
#define DBIXS_VERSION 93
#ifdef NEED_DBIXS_VERSION
#if NEED_DBIXS_VERSION > DBIXS_VERSION
error You_need_to_upgrade_your_DBI_module_before_building_this_driver
#endif
#else
#define NEED_DBIXS_VERSION DBIXS_VERSION
#endif
#if defined(USE_THREADS) && !defined(DBI_NO_THREADS)
#define DBI_USE_THREADS
#define DBI_LOCK MUTEX_LOCK(DBIS->mutex)
#define DBI_UNLOCK MUTEX_UNLOCK(DBIS->mutex)
#define dbi_mutex perl_mutex
#define dbi_cond perl_cond
#else
#define DBI_LOCK
#define DBI_UNLOCK
#define dbi_mutex void
#define dbi_cond void
#endif
/* forward declaration of 'DBI Handle Common Data', see below */
/* implementor needs to define actual struct { dbih_??c_t com; ... }*/
typedef struct imp_drh_st imp_drh_t; /* driver */
typedef struct imp_dbh_st imp_dbh_t; /* database */
typedef struct imp_sth_st imp_sth_t; /* statement */
typedef struct imp_fdh_st imp_fdh_t; /* field descriptor */
typedef struct imp_xxh_st imp_xxh_t; /* any (defined below) */
/* --- DBI Handle Common Data Structure (all handles have one) --- */
/* Handle types. Code currently assumes child = parent + 1. */
#define DBIt_DR 1
#define DBIt_DB 2
#define DBIt_ST 3
#define DBIt_FD 4
/* component structures */
typedef struct dbih_com_std_st {
U32 flags;
int call_depth; /* used by DBI to track nested calls (int) */
U16 type; /* DBIt_DR, DBIt_DB, DBIt_ST */
HV *my_h; /* copy of outer handle HV (not refcounted) */
HV *parent_h; /* parent inner handle (RV(HV)) (r.c.inc) */
imp_xxh_t *parent_com; /* parent com struct shortcut */
dbi_cond *thr_cond;/* condition for thread access (see dispatch) */
HV *imp_stash; /* who is the implementor for this handle */
SV *imp_data; /* optional implementors data (for perl imp's) */
I32 kids; /* count of db's for dr's, st's for db's etc */
I32 active_kids; /* kids which are currently DBIc_ACTIVE */
U32 thr_user; /* thread id currently using the handle */
void *spare2;
} dbih_com_std_t;
typedef struct dbih_com_attr_st {
/* These are copies of the Hash values (ref.cnt.inc'd) */
/* Many of the hash values are themselves references */
SV *Debug;
SV *State; /* Standard SQLSTATE, 5 char string */
SV *Err; /* Native engine error code */
SV *Errstr; /* Native engine error message */
SV *Handlers;
U32 LongReadLen; /* auto read length for long/blob types */
I32 spare1;
} dbih_com_attr_t;
struct dbih_com_st { /* complete core structure (typedef'd above) */
dbih_com_std_t std;
dbih_com_attr_t attr;
};
/* This 'implementors' type the DBI defines by default as a way to */
/* refer to the imp_??h data of a handle without considering its type. */
struct imp_xxh_st { struct dbih_com_st com; };
/* Define handle-type specific structures for implementors to include */
/* at the start of their private structures. */
typedef struct { /* -- DRIVER -- */
dbih_com_std_t std;
dbih_com_attr_t attr;
HV *cached_kids; /* $drh->connect_cached(...) */
} dbih_drc_t;
typedef struct { /* -- DATABASE -- */
dbih_com_std_t std; /* \__ standard structure */
dbih_com_attr_t attr; /* / plus... (nothing else right now) */
HV *cached_kids; /* $dbh->prepare_cached(...) */
} dbih_dbc_t;
typedef struct { /* -- STATEMENT -- */
dbih_com_std_t std; /* \__ standard structure */
dbih_com_attr_t attr; /* / plus ... */
int num_params; /* number of placeholders */
int num_fields; /* NUM_OF_FIELDS, must be set */
AV *fields_svav; /* special row buffer (inc bind_cols) */
IV row_count; /* incremented by get_fbav() */
AV *fields_fdav; /* not used yet, may change */
I32 spare1;
void *spare2;
} dbih_stc_t;
/* XXX THIS STRUCTURE SHOULD NOT BE USED */
typedef struct { /* -- FIELD DESCRIPTOR -- */
dbih_com_std_t std; /* standard structure (not fully setup) */
/* core attributes (from DescribeCol in ODBC) */
char *col_name; /* see dbih_make_fdsv */
I16 col_name_len;
I16 col_sql_type;
I16 col_precision;
I16 col_scale;
I16 col_nullable;
/* additional attributes (from ColAttributes in ODBC) */
I32 col_length;
I32 col_disp_size;
I32 spare1;
void *spare2;
} dbih_fdc_t;
#define _imp2com(p,f) ((p)->com.f)
#define DBIc_FLAGS(imp) _imp2com(imp, std.flags)
#define DBIc_TYPE(imp) _imp2com(imp, std.type)
#define DBIc_CALL_DEPTH(imp) _imp2com(imp, std.call_depth)
#define DBIc_MY_H(imp) _imp2com(imp, std.my_h)
#define DBIc_PARENT_H(imp) _imp2com(imp, std.parent_h)
#define DBIc_PARENT_COM(imp) _imp2com(imp, std.parent_com)
#define DBIc_THR_COND(imp) _imp2com(imp, std.thr_cond)
#define DBIc_THR_USER(imp) _imp2com(imp, std.thr_user)
#define DBIc_THR_USER_NONE (0xFFFF)
#define DBIc_IMP_STASH(imp) _imp2com(imp, std.imp_stash)
#define DBIc_IMP_DATA(imp) _imp2com(imp, std.imp_data)
#define DBIc_KIDS(imp) _imp2com(imp, std.kids)
#define DBIc_ACTIVE_KIDS(imp) _imp2com(imp, std.active_kids)
#define DBIc_DEBUG(imp) (_imp2com(imp, attr.Debug))
#define DBIc_DEBUGIV(imp) SvIV(DBIc_DEBUG(imp))
#define DBIc_STATE(imp) SvRV(_imp2com(imp, attr.State))
#define DBIc_ERR(imp) SvRV(_imp2com(imp, attr.Err))
#define DBIc_ERRSTR(imp) SvRV(_imp2com(imp, attr.Errstr))
#define DBIc_HANDLERS(imp) SvRV(_imp2com(imp, attr.Handlers))
#define DBIc_LongReadLen(imp) _imp2com(imp, attr.LongReadLen)
#define DBIc_LongReadLen_init 80 /* may change */
/* handle sub-type specific fields */
/* dbh */
#define DBIc_CACHED_KIDS(imp) _imp2com(imp, cached_kids)
/* sth */
#define DBIc_NUM_FIELDS(imp) _imp2com(imp, num_fields)
#define DBIc_NUM_PARAMS(imp) _imp2com(imp, num_params)
#define DBIc_NUM_PARAMS_AT_EXECUTE -9 /* see Driver.xst */
#define DBIc_ROW_COUNT(imp) _imp2com(imp, row_count)
#define DBIc_FIELDS_AV(imp) _imp2com(imp, fields_svav)
#define DBIc_FDESC_AV(imp) _imp2com(imp, fields_fdav)
#define DBIc_FDESC(imp, i) ((imp_fdh_t*)(void*)SvPVX(AvARRAY(DBIc_FDESC_AV(imp))[i]))
#define DBIcf_COMSET 0x0001 /* needs to be clear'd before free'd */
#define DBIcf_IMPSET 0x0002 /* has implementor data to be clear'd */
#define DBIcf_ACTIVE 0x0004 /* needs finish/disconnect before clear */
#define DBIcf_IADESTROY 0x0008 /* do DBIc_ACTIVE_off before DESTROY */
#define DBIcf_WARN 0x0010 /* warn about poor practice etc */
#define DBIcf_COMPAT 0x0020 /* compat/emulation mode (eg oraperl) */
#define DBIcf_ChopBlanks 0x0040 /* rtrim spaces from fetch char columns */
#define DBIcf_RaiseError 0x0080 /* throw exception (croak) on error */
#define DBIcf_PrintError 0x0100 /* warn() on error */
#define DBIcf_AutoCommit 0x0200 /* dbh only. used by drivers */
#define DBIcf_LongTruncOk 0x0400 /* truncation to LongReadLen is okay */
#define DBIcf_MultiThread 0x0800 /* allow multiple threads to enter */
#define DBIcf_Taint 0x1000 /* taint fetched data */
#define DBIcf_ShowErrorStatement 0x2000 /* include Statement in error */
#define DBIcf_INHERITMASK /* what NOT to pass on to children */ \
(U32)( DBIcf_COMSET | DBIcf_IMPSET | DBIcf_ACTIVE | DBIcf_IADESTROY \
/* These are for dbh only: */ \
| DBIcf_AutoCommit )
/* general purpose bit setting and testing macros */
#define DBIbf_is( bitset,flag) ((bitset) & (flag))
#define DBIbf_has(bitset,flag) DBIbf_is(bitset, flag) /* alias for _is */
#define DBIbf_on( bitset,flag) ((bitset) |= (flag))
#define DBIbf_off(bitset,flag) ((bitset) &= ~(flag))
#define DBIbf_set(bitset,flag,on) ((on) ? DBIbf_on(bitset, flag) : DBIbf_off(bitset,flag))
/* as above, but specifically for DBIc_FLAGS imp flags (except ACTIVE) */
#define DBIc_is(imp, flag) DBIbf_is( DBIc_FLAGS(imp), flag)
#define DBIc_has(imp,flag) DBIc_is(imp, flag) /* alias for DBIc_is */
#define DBIc_on(imp, flag) DBIbf_on( DBIc_FLAGS(imp), flag)
#define DBIc_off(imp,flag) DBIbf_off(DBIc_FLAGS(imp), flag)
#define DBIc_set(imp,flag,on) DBIbf_set(DBIc_FLAGS(imp), flag, on)
#define DBIc_COMSET(imp) DBIc_is(imp, DBIcf_COMSET)
#define DBIc_COMSET_on(imp) DBIc_on(imp, DBIcf_COMSET)
#define DBIc_COMSET_off(imp) DBIc_off(imp,DBIcf_COMSET)
#define DBIc_IMPSET(imp) DBIc_is(imp, DBIcf_IMPSET)
#define DBIc_IMPSET_on(imp) DBIc_on(imp, DBIcf_IMPSET)
#define DBIc_IMPSET_off(imp) DBIc_off(imp,DBIcf_IMPSET)
#define DBIc_ACTIVE(imp) (DBIc_FLAGS(imp) & DBIcf_ACTIVE)
#define DBIc_ACTIVE_on(imp) /* adjust parent's active kid count */ \
do { \
imp_xxh_t *ph_com = DBIc_PARENT_COM(imp); \
if (!DBIc_ACTIVE(imp) && ph_com && !dirty \
&& ++DBIc_ACTIVE_KIDS(ph_com) > DBIc_KIDS(ph_com)) \
croak("panic: DBI active kids (%d) > kids (%d)", \
DBIc_ACTIVE_KIDS(ph_com), DBIc_KIDS(ph_com)); \
DBIc_FLAGS(imp) |= DBIcf_ACTIVE; \
} while(0)
#define DBIc_ACTIVE_off(imp) /* adjust parent's active kid count */ \
do { \
imp_xxh_t *ph_com = DBIc_PARENT_COM(imp); \
if (DBIc_ACTIVE(imp) && ph_com && !dirty \
&& (--DBIc_ACTIVE_KIDS(ph_com) > DBIc_KIDS(ph_com) \
|| DBIc_ACTIVE_KIDS(ph_com) < 0) ) \
croak("panic: DBI active kids (%d) < 0 or > kids (%d)", \
DBIc_ACTIVE_KIDS(ph_com), DBIc_KIDS(ph_com)); \
DBIc_FLAGS(imp) &= ~DBIcf_ACTIVE; \
} while(0)
#define DBIc_IADESTROY(imp) (DBIc_FLAGS(imp) & DBIcf_IADESTROY)
#define DBIc_IADESTROY_on(imp) (DBIc_FLAGS(imp) |= DBIcf_IADESTROY)
#define DBIc_IADESTROY_off(imp) (DBIc_FLAGS(imp) &= ~DBIcf_IADESTROY)
#define DBIc_WARN(imp) (DBIc_FLAGS(imp) & DBIcf_WARN)
#define DBIc_WARN_on(imp) (DBIc_FLAGS(imp) |= DBIcf_WARN)
#define DBIc_WARN_off(imp) (DBIc_FLAGS(imp) &= ~DBIcf_WARN)
#define DBIc_COMPAT(imp) (DBIc_FLAGS(imp) & DBIcf_COMPAT)
#define DBIc_COMPAT_on(imp) (DBIc_FLAGS(imp) |= DBIcf_COMPAT)
#define DBIc_COMPAT_off(imp) (DBIc_FLAGS(imp) &= ~DBIcf_COMPAT)
#ifdef IN_DBI_XS /* get Handle Common Data Structure */
#define DBIh_COM(h) (dbih_getcom(h))
#else
#define DBIh_COM(h) (DBIS->getcom(h))
#define neatsvpv(sv,len) (DBIS->neat_svpv(sv,len))
#endif
/* --- Implementors Private Data Support --- */
#define D_impdata(name,type,h) type *name = (type*)(DBIh_COM(h))
#define D_imp_drh(h) D_impdata(imp_drh, imp_drh_t, h)
#define D_imp_dbh(h) D_impdata(imp_dbh, imp_dbh_t, h)
#define D_imp_sth(h) D_impdata(imp_sth, imp_sth_t, h)
#define D_imp_xxh(h) D_impdata(imp_xxh, imp_xxh_t, h)
#define D_imp_from_child(name,type,child) \
type *name = (type*)(DBIc_PARENT_COM(child))
#define D_imp_drh_from_dbh D_imp_from_child(imp_drh, imp_drh_t, imp_dbh)
#define D_imp_dbh_from_sth D_imp_from_child(imp_dbh, imp_dbh_t, imp_sth)
#define DBI_IMP_SIZE(n,s) sv_setiv(perl_get_sv((n), GV_ADDMULTI), (s)) /* XXX */
/* --- Implementors Field Descriptor Support --- */
/* --- Event Support (VERY LIABLE TO CHANGE) --- */
#define DBIh_EVENTx(h,t,a1,a2) (DBIS->event((h), (t), (a1), (a2)))
#define DBIh_EVENT0(h,t) DBIh_EVENTx((h), (t), &sv_undef, &sv_undef)
#define DBIh_EVENT1(h,t, a1) DBIh_EVENTx((h), (t), (a1), &sv_undef)
#define DBIh_EVENT2(h,t, a1,a2) DBIh_EVENTx((h), (t), (a1), (a2))
#define ERROR_event "ERROR"
#define WARN_event "WARN"
#define MSG_event "MESSAGE"
#define DBEVENT_event "DBEVENT"
#define UNKNOWN_event "UNKNOWN"
/* --- Handy Macros --- */
#define DBIh_CLEAR_ERROR(imp_xxh) (void)( \
(void)SvOK_off(DBIc_ERR(imp_xxh)), \
(void)SvOK_off(DBIc_ERRSTR(imp_xxh)), \
(SvPOK(DBIc_STATE(imp_xxh)) ? SvCUR(DBIc_STATE(imp_xxh))=0 : 0) \
)
/* --- DBI State Structure --- */
typedef struct {
#define DBISTATE_VERSION 94 /* Must change whenever dbistate_t does */
/* this must be the first member in structure */
void (*check_version) _((char *name,
int dbis_cv, int dbis_cs, int need_dbixs_cv,
int drc_s, int dbc_s, int stc_s, int fdc_s));
/* version and size are used to check for DBI/DBD version mis-match */
U16 version; /* version of this structure */
U16 size;
U16 xs_version; /* version of the overall DBIXS / DBD interface */
U16 spare_pad;
I32 debug;
PerlIO *logfp;
/* pointers to DBI functions which the DBD's will want to use */
char * (*neat_svpv) _((SV *sv, STRLEN maxlen));
imp_xxh_t * (*getcom) _((SV *h)); /* see DBIh_COM macro */
void (*clearcom) _((imp_xxh_t *imp_xxh));
SV * (*event) _((SV *h, char *name, SV*, SV*));
int (*set_attr_k) _((SV *h, SV *keysv, int dbikey, SV *valuesv));
SV * (*get_attr_k) _((SV *h, SV *keysv, int dbikey));
AV * (*get_fbav) _((imp_sth_t *imp_sth));
SV * (*make_fdsv) _((SV *sth, char *imp_class, STRLEN imp_size, char *col_name));
int (*bind_as_num) _((int sql_type, int p, int s, int *t, void *v));
int (*hash) _((char *string, long i));
AV * (*preparse) _((SV *sth, char *statement, U32 flags, U32 spare));
SV *neatsvpvlen; /* only show dbgpvlen chars when debugging pv's */
dbi_mutex *mutex;
int (*logmsg) _((SV *h, imp_xxh_t *imp_xxh, char *fmt, ...));
void *pad[8];
} dbistate_t;
/* macros for backwards compatibility */
#define set_attr(h, k, v) set_attr_k(h, k, 0, v)
#define get_attr(h, k) get_attr_k(h, k, 0)
#define DBISTATE_PERLNAME "DBI::_dbistate"
#define DBISTATE_ADDRSV (perl_get_sv(DBISTATE_PERLNAME, 0x05))
#define DBILOGFP (DBIS->logfp)
#ifdef IN_DBI_XS
#define DBILOGMSG (dbih_logmsg)
#else
#define DBILOGMSG (DBIS->logmsg)
#endif
/* --- perl object (ActiveState) / multiplicity hooks and hoops --- */
/* note that USE_ITHREADS implies MULTIPLICITY */
#if defined(MULTIPLICITY) || defined(PERL_OBJECT) || defined(PERL_CAPI)
# define DBISTATE_DECLARE
# define DBISTATE_ASSIGN(st)
# define DBISTATE_INIT
static dbistate_t **get_dbistate() {
return ((dbistate_t**)&SvIVX(DBISTATE_ADDRSV));
}
# undef DBIS
# define DBIS (*get_dbistate())
# define dbis (*get_dbistate()) /* temp for bad drivers using 'dbis' instead of 'DBIS' */
#else /* plain and simple non perl object / multiplicity case */
# define DBISTATE_DECLARE static dbistate_t *DBIS
# define DBISTATE_ASSIGN(st) (DBIS = (st))
# define DBISTATE_INIT_DBIS DBISTATE_ASSIGN((dbistate_t*)SvIV(DBISTATE_ADDRSV))
# define DBISTATE_INIT { /* typically use in BOOT: of XS file */ \
DBISTATE_INIT_DBIS; \
if (DBIS == NULL) \
croak("Unable to get DBI state. DBI not loaded."); \
DBIS->check_version(__FILE__, DBISTATE_VERSION, sizeof(*DBIS), NEED_DBIXS_VERSION, \
sizeof(dbih_drc_t), sizeof(dbih_dbc_t), sizeof(dbih_stc_t), sizeof(dbih_fdc_t) \
); \
}
#endif
/* --- Assorted Utility Macros --- */
#define DBD_ATTRIB_OK(attribs) /* is this a usable attrib value */ \
(attribs && SvROK(attribs) && SvTYPE(SvRV(attribs))==SVt_PVHV)
/* If attribs value supplied then croak if it's not a hash ref. */
/* Also map undef to Null. Should always be called to pre-process the */
/* attribs value. One day we may add some extra magic in here. */
#define DBD_ATTRIBS_CHECK(func, h, attribs) \
if ((attribs) && SvOK(attribs)) { \
if (!SvROK(attribs) || SvTYPE(SvRV(attribs))!=SVt_PVHV) \
croak("%s->%s(...): attribute parameter '%s' is not a hash ref", \
SvPV(h,na), func, SvPV(attribs,na)); \
} else (attribs) = Nullsv
#define DBD_ATTRIB_GET_SVP(attribs, key,klen) \
(DBD_ATTRIB_OK(attribs) \
? hv_fetch((HV*)SvRV(attribs), key,klen, 0) \
: (SV **)Nullsv)
#define DBD_ATTRIB_GET_BOOL(attribs, key,klen, svp, var) \
if ((svp=DBD_ATTRIB_GET_SVP(attribs, key,klen)) != NULL) \
var = SvTRUE(*svp)
#define DBD_ATTRIB_GET_IV(attribs, key,klen, svp, var) \
if ((svp=DBD_ATTRIB_GET_SVP(attribs, key,klen)) != NULL) \
var = SvIV(*svp)
#endif /* DBIXS_VERSION */
/* end of DBIXS.h */