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4aa1734f36
Submitted by: wieck@sapserv.debis.de (Jan Wieck)
169 lines
3.9 KiB
C
169 lines
3.9 KiB
C
/*-------------------------------------------------------------------------
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*
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* pgtcl.c--
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*
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* libpgtcl is a tcl package for front-ends to interface with pglite
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* It's the tcl equivalent of the old libpq C interface.
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/interfaces/libpgtcl/Attic/pgtcl.c,v 1.4 1996/11/09 10:39:40 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#include "tcl.h"
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#include "libpgtcl.h"
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#include "pgtclCmds.h"
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/*
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* Pgtcl_Init
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* initialization package for the PGLITE Tcl package
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*
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*/
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/*
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* Tidy up forgotten postgres connection at Tcl_Exit
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*/
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void
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Pgtcl_AtExit (ClientData cData)
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{
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Pg_clientData *cd = (Pg_clientData *)cData;
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Tcl_HashEntry *hent;
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Tcl_HashSearch hsearch;
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Pg_ConnectionId *connid;
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PGconn *conn;
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while((hent = Tcl_FirstHashEntry(&(cd->dbh_hash), &hsearch)) != NULL) {
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connid = (Pg_ConnectionId *)Tcl_GetHashValue(hent);
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conn = connid->conn;
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PgDelConnectionId(cd, connid->id);
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PQfinish(conn);
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}
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Tcl_DeleteHashTable(&(cd->dbh_hash));
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Tcl_DeleteHashTable(&(cd->res_hash));
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Tcl_DeleteExitHandler(Pgtcl_AtExit, cData);
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}
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/*
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* Tidy up forgotten postgres connections on Interpreter deletion
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*/
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void
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Pgtcl_Shutdown (ClientData cData, Tcl_Interp *interp)
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{
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Pgtcl_AtExit(cData);
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}
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int
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Pgtcl_Init (Tcl_Interp *interp)
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{
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Pg_clientData *cd;
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/* Create and initialize the client data area */
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cd = (Pg_clientData *)ckalloc(sizeof(Pg_clientData));
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Tcl_InitHashTable(&(cd->dbh_hash), TCL_STRING_KEYS);
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Tcl_InitHashTable(&(cd->res_hash), TCL_STRING_KEYS);
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cd->dbh_count = 0L;
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cd->res_count = 0L;
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/* Arrange for tidy up when interpreter is deleted or Tcl exits */
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Tcl_CallWhenDeleted(interp, Pgtcl_Shutdown, (ClientData)cd);
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Tcl_CreateExitHandler(Pgtcl_AtExit, (ClientData)cd);
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/* register all pgtcl commands */
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Tcl_CreateCommand(interp,
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"pg_conndefaults",
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Pg_conndefaults,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_connect",
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Pg_connect,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_disconnect",
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Pg_disconnect,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_exec",
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Pg_exec,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_select",
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Pg_select,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_result",
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Pg_result,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_open",
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Pg_lo_open,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_close",
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Pg_lo_close,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_read",
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Pg_lo_read,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_write",
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Pg_lo_write,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_lseek",
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Pg_lo_lseek,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_creat",
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Pg_lo_creat,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_tell",
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Pg_lo_tell,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_unlink",
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Pg_lo_unlink,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_import",
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Pg_lo_import,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_CreateCommand(interp,
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"pg_lo_export",
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Pg_lo_export,
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(ClientData)cd, (Tcl_CmdDeleteProc*)NULL);
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Tcl_PkgProvide(interp, "Pgtcl", "1.0");
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return TCL_OK;
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}
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int
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Pgtcl_SafeInit (Tcl_Interp *interp)
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{
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return Pgtcl_Init(interp);
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}
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