715 lines
19 KiB
C
715 lines
19 KiB
C
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/*
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** 2006 January 09
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** Code for testing the client/server version of the SQLite library.
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** Derived from test4.c.
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*/
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#include "sqliteInt.h"
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#include "tcl.h"
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/*
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** This test only works on UNIX with a SQLITE_THREADSAFE build that includes
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** the SQLITE_SERVER option.
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*/
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#if defined(SQLITE_SERVER) && !defined(SQLITE_OMIT_SHARED_CACHE) && \
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SQLITE_OS_UNIX && SQLITE_THREADSAFE
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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#include <sched.h>
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#include <ctype.h>
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/*
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** Interfaces defined in server.c
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*/
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int sqlite3_client_open(const char*, sqlite3**);
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int sqlite3_client_prepare(sqlite3*,const char*,int,
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sqlite3_stmt**,const char**);
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int sqlite3_client_step(sqlite3_stmt*);
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int sqlite3_client_reset(sqlite3_stmt*);
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int sqlite3_client_finalize(sqlite3_stmt*);
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int sqlite3_client_close(sqlite3*);
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int sqlite3_server_start(void);
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int sqlite3_server_stop(void);
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void sqlite3_server_start2(int *pnDecr);
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/*
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** Each thread is controlled by an instance of the following
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** structure.
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*/
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typedef struct Thread Thread;
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struct Thread {
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/* The first group of fields are writable by the supervisor thread
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** and read-only to the client threads
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*/
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char *zFilename; /* Name of database file */
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void (*xOp)(Thread*); /* next operation to do */
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char *zArg; /* argument usable by xOp */
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volatile int opnum; /* Operation number */
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volatile int busy; /* True if this thread is in use */
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/* The next group of fields are writable by the client threads
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** but read-only to the superviser thread.
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*/
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volatile int completed; /* Number of operations completed */
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sqlite3 *db; /* Open database */
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sqlite3_stmt *pStmt; /* Pending operation */
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char *zErr; /* operation error */
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char *zStaticErr; /* Static error message */
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int rc; /* operation return code */
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int argc; /* number of columns in result */
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const char *argv[100]; /* result columns */
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const char *colv[100]; /* result column names */
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/* Initialized to 1 by the supervisor thread when the client is
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** created, and then deemed read-only to the supervisor thread.
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** Is set to 0 by the server thread belonging to this client
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** just before it exits.
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*/
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int nServer; /* Number of server threads running */
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};
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/*
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** There can be as many as 26 threads running at once. Each is named
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** by a capital letter: A, B, C, ..., Y, Z.
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*/
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#define N_THREAD 26
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static Thread threadset[N_THREAD];
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/*
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** The main loop for a thread. Threads use busy waiting.
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*/
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static void *client_main(void *pArg){
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Thread *p = (Thread*)pArg;
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if( p->db ){
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sqlite3_client_close(p->db);
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}
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sqlite3_client_open(p->zFilename, &p->db);
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if( SQLITE_OK!=sqlite3_errcode(p->db) ){
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p->zErr = strdup(sqlite3_errmsg(p->db));
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sqlite3_client_close(p->db);
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p->db = 0;
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}
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p->pStmt = 0;
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p->completed = 1;
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while( p->opnum<=p->completed ) sched_yield();
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while( p->xOp ){
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if( p->zErr && p->zErr!=p->zStaticErr ){
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sqlite3_free(p->zErr);
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p->zErr = 0;
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}
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(*p->xOp)(p);
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p->completed++;
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while( p->opnum<=p->completed ) sched_yield();
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}
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if( p->pStmt ){
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sqlite3_client_finalize(p->pStmt);
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p->pStmt = 0;
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}
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if( p->db ){
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sqlite3_client_close(p->db);
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p->db = 0;
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}
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if( p->zErr && p->zErr!=p->zStaticErr ){
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sqlite3_free(p->zErr);
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p->zErr = 0;
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}
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p->completed++;
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#ifndef SQLITE_OMIT_DEPRECATED
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sqlite3_thread_cleanup();
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#endif
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return 0;
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}
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/*
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** Get a thread ID which is an upper case letter. Return the index.
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** If the argument is not a valid thread ID put an error message in
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** the interpreter and return -1.
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*/
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static int parse_client_id(Tcl_Interp *interp, const char *zArg){
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if( zArg==0 || zArg[0]==0 || zArg[1]!=0 || !isupper((unsigned char)zArg[0]) ){
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Tcl_AppendResult(interp, "thread ID must be an upper case letter", 0);
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return -1;
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}
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return zArg[0] - 'A';
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}
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/*
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** Usage: client_create NAME FILENAME
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**
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** NAME should be an upper case letter. Start the thread running with
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** an open connection to the given database.
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*/
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static int tcl_client_create(
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void *NotUsed,
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Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
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int argc, /* Number of arguments */
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const char **argv /* Text of each argument */
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){
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int i;
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pthread_t x;
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int rc;
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if( argc!=3 ){
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Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
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" ID FILENAME", 0);
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return TCL_ERROR;
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}
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i = parse_client_id(interp, argv[1]);
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if( i<0 ) return TCL_ERROR;
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if( threadset[i].busy ){
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Tcl_AppendResult(interp, "thread ", argv[1], " is already running", 0);
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return TCL_ERROR;
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}
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threadset[i].busy = 1;
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sqlite3_free(threadset[i].zFilename);
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threadset[i].zFilename = sqlite3_mprintf("%s", argv[2]);
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threadset[i].opnum = 1;
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threadset[i].completed = 0;
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rc = pthread_create(&x, 0, client_main, &threadset[i]);
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if( rc ){
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Tcl_AppendResult(interp, "failed to create the thread", 0);
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sqlite3_free(threadset[i].zFilename);
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threadset[i].busy = 0;
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return TCL_ERROR;
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}
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pthread_detach(x);
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if( threadset[i].nServer==0 ){
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threadset[i].nServer = 1;
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sqlite3_server_start2(&threadset[i].nServer);
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}
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return TCL_OK;
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}
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/*
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** Wait for a thread to reach its idle state.
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*/
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static void client_wait(Thread *p){
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while( p->opnum>p->completed ) sched_yield();
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}
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/*
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** Usage: client_wait ID
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**
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** Wait on thread ID to reach its idle state.
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*/
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static int tcl_client_wait(
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void *NotUsed,
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Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
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int argc, /* Number of arguments */
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const char **argv /* Text of each argument */
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){
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int i;
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if( argc!=2 ){
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Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
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" ID", 0);
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return TCL_ERROR;
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}
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i = parse_client_id(interp, argv[1]);
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if( i<0 ) return TCL_ERROR;
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if( !threadset[i].busy ){
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Tcl_AppendResult(interp, "no such thread", 0);
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return TCL_ERROR;
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}
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client_wait(&threadset[i]);
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return TCL_OK;
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}
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/*
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** Stop a thread.
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*/
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static void stop_thread(Thread *p){
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client_wait(p);
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p->xOp = 0;
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p->opnum++;
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client_wait(p);
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sqlite3_free(p->zArg);
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p->zArg = 0;
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sqlite3_free(p->zFilename);
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p->zFilename = 0;
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p->busy = 0;
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}
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/*
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** Usage: client_halt ID
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**
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** Cause a client thread to shut itself down. Wait for the shutdown to be
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** completed. If ID is "*" then stop all client threads.
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*/
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static int tcl_client_halt(
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void *NotUsed,
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Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
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int argc, /* Number of arguments */
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const char **argv /* Text of each argument */
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){
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int i;
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if( argc!=2 ){
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Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
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" ID", 0);
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return TCL_ERROR;
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}
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if( argv[1][0]=='*' && argv[1][1]==0 ){
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for(i=0; i<N_THREAD; i++){
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if( threadset[i].busy ){
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stop_thread(&threadset[i]);
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}
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}
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}else{
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i = parse_client_id(interp, argv[1]);
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if( i<0 ) return TCL_ERROR;
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if( !threadset[i].busy ){
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Tcl_AppendResult(interp, "no such thread", 0);
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return TCL_ERROR;
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}
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stop_thread(&threadset[i]);
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}
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/* If no client threads are still running, also stop the server */
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for(i=0; i<N_THREAD && threadset[i].busy==0; i++){}
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if( i>=N_THREAD ){
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sqlite3_server_stop();
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while( 1 ){
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for(i=0; i<N_THREAD && threadset[i].nServer==0; i++);
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if( i==N_THREAD ) break;
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sched_yield();
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}
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}
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return TCL_OK;
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}
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/*
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** Usage: client_argc ID
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**
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** Wait on the most recent client_step to complete, then return the
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** number of columns in the result set.
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*/
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static int tcl_client_argc(
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void *NotUsed,
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Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
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int argc, /* Number of arguments */
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const char **argv /* Text of each argument */
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){
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int i;
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char zBuf[100];
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if( argc!=2 ){
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Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
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" ID", 0);
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return TCL_ERROR;
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}
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i = parse_client_id(interp, argv[1]);
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if( i<0 ) return TCL_ERROR;
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if( !threadset[i].busy ){
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Tcl_AppendResult(interp, "no such thread", 0);
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return TCL_ERROR;
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}
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client_wait(&threadset[i]);
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sprintf(zBuf, "%d", threadset[i].argc);
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Tcl_AppendResult(interp, zBuf, 0);
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return TCL_OK;
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}
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/*
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** Usage: client_argv ID N
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**
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** Wait on the most recent client_step to complete, then return the
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** value of the N-th columns in the result set.
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*/
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static int tcl_client_argv(
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void *NotUsed,
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Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
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int argc, /* Number of arguments */
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const char **argv /* Text of each argument */
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){
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int i;
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int n;
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if( argc!=3 ){
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Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
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" ID N", 0);
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return TCL_ERROR;
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}
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i = parse_client_id(interp, argv[1]);
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if( i<0 ) return TCL_ERROR;
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if( !threadset[i].busy ){
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Tcl_AppendResult(interp, "no such thread", 0);
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return TCL_ERROR;
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}
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if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
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client_wait(&threadset[i]);
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if( n<0 || n>=threadset[i].argc ){
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Tcl_AppendResult(interp, "column number out of range", 0);
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return TCL_ERROR;
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}
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Tcl_AppendResult(interp, threadset[i].argv[n], 0);
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return TCL_OK;
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}
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/*
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** Usage: client_colname ID N
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**
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||
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** Wait on the most recent client_step to complete, then return the
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** name of the N-th columns in the result set.
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*/
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static int tcl_client_colname(
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void *NotUsed,
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Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
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int argc, /* Number of arguments */
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||
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const char **argv /* Text of each argument */
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||
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){
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int i;
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int n;
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if( argc!=3 ){
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||
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Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
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|
|
" ID N", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
if( n<0 || n>=threadset[i].argc ){
|
||
|
|
Tcl_AppendResult(interp, "column number out of range", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
Tcl_AppendResult(interp, threadset[i].colv[n], 0);
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern const char *sqlite3ErrName(int);
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Usage: client_result ID
|
||
|
|
**
|
||
|
|
** Wait on the most recent operation to complete, then return the
|
||
|
|
** result code from that operation.
|
||
|
|
*/
|
||
|
|
static int tcl_client_result(
|
||
|
|
void *NotUsed,
|
||
|
|
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||
|
|
int argc, /* Number of arguments */
|
||
|
|
const char **argv /* Text of each argument */
|
||
|
|
){
|
||
|
|
int i;
|
||
|
|
const char *zName;
|
||
|
|
|
||
|
|
if( argc!=2 ){
|
||
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
||
|
|
" ID", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
zName = sqlite3ErrName(threadset[i].rc);
|
||
|
|
Tcl_AppendResult(interp, zName, 0);
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Usage: client_error ID
|
||
|
|
**
|
||
|
|
** Wait on the most recent operation to complete, then return the
|
||
|
|
** error string.
|
||
|
|
*/
|
||
|
|
static int tcl_client_error(
|
||
|
|
void *NotUsed,
|
||
|
|
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||
|
|
int argc, /* Number of arguments */
|
||
|
|
const char **argv /* Text of each argument */
|
||
|
|
){
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if( argc!=2 ){
|
||
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
||
|
|
" ID", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
Tcl_AppendResult(interp, threadset[i].zErr, 0);
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** This procedure runs in the thread to compile an SQL statement.
|
||
|
|
*/
|
||
|
|
static void do_compile(Thread *p){
|
||
|
|
if( p->db==0 ){
|
||
|
|
p->zErr = p->zStaticErr = "no database is open";
|
||
|
|
p->rc = SQLITE_ERROR;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if( p->pStmt ){
|
||
|
|
sqlite3_client_finalize(p->pStmt);
|
||
|
|
p->pStmt = 0;
|
||
|
|
}
|
||
|
|
p->rc = sqlite3_client_prepare(p->db, p->zArg, -1, &p->pStmt, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Usage: client_compile ID SQL
|
||
|
|
**
|
||
|
|
** Compile a new virtual machine.
|
||
|
|
*/
|
||
|
|
static int tcl_client_compile(
|
||
|
|
void *NotUsed,
|
||
|
|
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||
|
|
int argc, /* Number of arguments */
|
||
|
|
const char **argv /* Text of each argument */
|
||
|
|
){
|
||
|
|
int i;
|
||
|
|
if( argc!=3 ){
|
||
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
||
|
|
" ID SQL", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
threadset[i].xOp = do_compile;
|
||
|
|
sqlite3_free(threadset[i].zArg);
|
||
|
|
threadset[i].zArg = sqlite3_mprintf("%s", argv[2]);
|
||
|
|
threadset[i].opnum++;
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** This procedure runs in the thread to step the virtual machine.
|
||
|
|
*/
|
||
|
|
static void do_step(Thread *p){
|
||
|
|
int i;
|
||
|
|
if( p->pStmt==0 ){
|
||
|
|
p->zErr = p->zStaticErr = "no virtual machine available";
|
||
|
|
p->rc = SQLITE_ERROR;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
p->rc = sqlite3_client_step(p->pStmt);
|
||
|
|
if( p->rc==SQLITE_ROW ){
|
||
|
|
p->argc = sqlite3_column_count(p->pStmt);
|
||
|
|
for(i=0; i<sqlite3_data_count(p->pStmt); i++){
|
||
|
|
p->argv[i] = (char*)sqlite3_column_text(p->pStmt, i);
|
||
|
|
}
|
||
|
|
for(i=0; i<p->argc; i++){
|
||
|
|
p->colv[i] = sqlite3_column_name(p->pStmt, i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Usage: client_step ID
|
||
|
|
**
|
||
|
|
** Advance the virtual machine by one step
|
||
|
|
*/
|
||
|
|
static int tcl_client_step(
|
||
|
|
void *NotUsed,
|
||
|
|
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||
|
|
int argc, /* Number of arguments */
|
||
|
|
const char **argv /* Text of each argument */
|
||
|
|
){
|
||
|
|
int i;
|
||
|
|
if( argc!=2 ){
|
||
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
||
|
|
" IDL", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
threadset[i].xOp = do_step;
|
||
|
|
threadset[i].opnum++;
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** This procedure runs in the thread to finalize a virtual machine.
|
||
|
|
*/
|
||
|
|
static void do_finalize(Thread *p){
|
||
|
|
if( p->pStmt==0 ){
|
||
|
|
p->zErr = p->zStaticErr = "no virtual machine available";
|
||
|
|
p->rc = SQLITE_ERROR;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
p->rc = sqlite3_client_finalize(p->pStmt);
|
||
|
|
p->pStmt = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Usage: client_finalize ID
|
||
|
|
**
|
||
|
|
** Finalize the virtual machine.
|
||
|
|
*/
|
||
|
|
static int tcl_client_finalize(
|
||
|
|
void *NotUsed,
|
||
|
|
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||
|
|
int argc, /* Number of arguments */
|
||
|
|
const char **argv /* Text of each argument */
|
||
|
|
){
|
||
|
|
int i;
|
||
|
|
if( argc!=2 ){
|
||
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
||
|
|
" IDL", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
threadset[i].xOp = do_finalize;
|
||
|
|
sqlite3_free(threadset[i].zArg);
|
||
|
|
threadset[i].zArg = 0;
|
||
|
|
threadset[i].opnum++;
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** This procedure runs in the thread to reset a virtual machine.
|
||
|
|
*/
|
||
|
|
static void do_reset(Thread *p){
|
||
|
|
if( p->pStmt==0 ){
|
||
|
|
p->zErr = p->zStaticErr = "no virtual machine available";
|
||
|
|
p->rc = SQLITE_ERROR;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
p->rc = sqlite3_client_reset(p->pStmt);
|
||
|
|
p->pStmt = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Usage: client_reset ID
|
||
|
|
**
|
||
|
|
** Finalize the virtual machine.
|
||
|
|
*/
|
||
|
|
static int tcl_client_reset(
|
||
|
|
void *NotUsed,
|
||
|
|
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||
|
|
int argc, /* Number of arguments */
|
||
|
|
const char **argv /* Text of each argument */
|
||
|
|
){
|
||
|
|
int i;
|
||
|
|
if( argc!=2 ){
|
||
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
||
|
|
" IDL", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
threadset[i].xOp = do_reset;
|
||
|
|
sqlite3_free(threadset[i].zArg);
|
||
|
|
threadset[i].zArg = 0;
|
||
|
|
threadset[i].opnum++;
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Usage: client_swap ID ID
|
||
|
|
**
|
||
|
|
** Interchange the sqlite* pointer between two threads.
|
||
|
|
*/
|
||
|
|
static int tcl_client_swap(
|
||
|
|
void *NotUsed,
|
||
|
|
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||
|
|
int argc, /* Number of arguments */
|
||
|
|
const char **argv /* Text of each argument */
|
||
|
|
){
|
||
|
|
int i, j;
|
||
|
|
sqlite3 *temp;
|
||
|
|
if( argc!=3 ){
|
||
|
|
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
|
||
|
|
" ID1 ID2", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
i = parse_client_id(interp, argv[1]);
|
||
|
|
if( i<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[i].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[i]);
|
||
|
|
j = parse_client_id(interp, argv[2]);
|
||
|
|
if( j<0 ) return TCL_ERROR;
|
||
|
|
if( !threadset[j].busy ){
|
||
|
|
Tcl_AppendResult(interp, "no such thread", 0);
|
||
|
|
return TCL_ERROR;
|
||
|
|
}
|
||
|
|
client_wait(&threadset[j]);
|
||
|
|
temp = threadset[i].db;
|
||
|
|
threadset[i].db = threadset[j].db;
|
||
|
|
threadset[j].db = temp;
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
** Register commands with the TCL interpreter.
|
||
|
|
*/
|
||
|
|
int Sqlitetest7_Init(Tcl_Interp *interp){
|
||
|
|
static struct {
|
||
|
|
char *zName;
|
||
|
|
Tcl_CmdProc *xProc;
|
||
|
|
} aCmd[] = {
|
||
|
|
{ "client_create", (Tcl_CmdProc*)tcl_client_create },
|
||
|
|
{ "client_wait", (Tcl_CmdProc*)tcl_client_wait },
|
||
|
|
{ "client_halt", (Tcl_CmdProc*)tcl_client_halt },
|
||
|
|
{ "client_argc", (Tcl_CmdProc*)tcl_client_argc },
|
||
|
|
{ "client_argv", (Tcl_CmdProc*)tcl_client_argv },
|
||
|
|
{ "client_colname", (Tcl_CmdProc*)tcl_client_colname },
|
||
|
|
{ "client_result", (Tcl_CmdProc*)tcl_client_result },
|
||
|
|
{ "client_error", (Tcl_CmdProc*)tcl_client_error },
|
||
|
|
{ "client_compile", (Tcl_CmdProc*)tcl_client_compile },
|
||
|
|
{ "client_step", (Tcl_CmdProc*)tcl_client_step },
|
||
|
|
{ "client_reset", (Tcl_CmdProc*)tcl_client_reset },
|
||
|
|
{ "client_finalize", (Tcl_CmdProc*)tcl_client_finalize },
|
||
|
|
{ "client_swap", (Tcl_CmdProc*)tcl_client_swap },
|
||
|
|
};
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
|
||
|
|
Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
|
||
|
|
}
|
||
|
|
return TCL_OK;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
int Sqlitetest7_Init(Tcl_Interp *interp){ return TCL_OK; }
|
||
|
|
#endif /* SQLITE_OS_UNIX */
|