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/*-------------------------------------------------------------------------
*
* pgtclId.h
*
* Contains Tcl "channel" interface routines, plus useful routines
* to convert between strings and pointers. These are needed because
* everything in Tcl is a string, but in C, pointers to data structures
* are needed.
*
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id$
*
*-------------------------------------------------------------------------
*/
#ifndef CONST84
# define CONST84
#endif
extern int PgSetConnectionId(Tcl_Interp *interp, PGconn *conn, char *connhandle);
#define DRIVER_OUTPUT_PROTO ClientData cData, CONST84 char *buf, int bufSize, \
int *errorCodePtr
#define DRIVER_INPUT_PROTO ClientData cData, char *buf, int bufSize, \
int *errorCodePtr
#define DRIVER_DEL_PROTO ClientData cData, Tcl_Interp *interp
extern PGconn *PgGetConnectionId(Tcl_Interp *interp, CONST84 char *id,
Pg_ConnectionId **);
extern int PgDelConnectionId(DRIVER_DEL_PROTO);
extern int PgOutputProc(DRIVER_OUTPUT_PROTO);
extern int PgInputProc(DRIVER_INPUT_PROTO);
extern int PgSetResultId(Tcl_Interp *interp, CONST84 char *connid, PGresult *res);
extern PGresult *PgGetResultId(Tcl_Interp *interp, CONST84 char *id, Pg_resultid **resultidPtr);
extern void PgDelResultId(Tcl_Interp *interp, CONST84 char *id);
extern int PgGetConnByResultId(Tcl_Interp *interp, CONST84 char *resid);
extern void PgStartNotifyEventSource(Pg_ConnectionId * connid);
extern void PgStopNotifyEventSource(Pg_ConnectionId * connid, pqbool allevents);
extern void PgNotifyTransferEvents(Pg_ConnectionId * connid);
extern void PgConnLossTransferEvents(Pg_ConnectionId * connid);
extern void PgNotifyInterpDelete(ClientData clientData, Tcl_Interp *interp);
extern int PgConnCmd(ClientData cData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
extern void PgDelCmdHandle(ClientData cData);
extern void PgDelResultHandle(ClientData cData);
extern Tcl_ChannelType Pg_ConnType;
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