Move bundled copy of sqlite one level deeper to better separate it...

third_party/sqlite/test/threadtest1.c

Index: third_party/sqlite/test/threadtest1.c
===================================================================
--- third_party/sqlite/test/threadtest1.c	(revision 56608)
+++ third_party/sqlite/test/threadtest1.c	(working copy)
@@ -1,289 +0,0 @@
-/*
-** 2002 January 15
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-** This file implements a simple standalone program used to test whether
-** or not the SQLite library is threadsafe.
-**
-** Testing the thread safety of SQLite is difficult because there are very
-** few places in the code that are even potentially unsafe, and those
-** places execute for very short periods of time.  So even if the library
-** is compiled with its mutexes disabled, it is likely to work correctly
-** in a multi-threaded program most of the time.  
-**
-** This file is NOT part of the standard SQLite library.  It is used for
-** testing only.
-*/
-#include "sqlite.h"
-#include <pthread.h>
-#include <sched.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-/*
-** Enable for tracing
-*/
-static int verbose = 0;
-
-/*
-** Come here to die.
-*/
-static void Exit(int rc){
-  exit(rc);
-}
-
-extern char *sqlite3_mprintf(const char *zFormat, ...);
-extern char *sqlite3_vmprintf(const char *zFormat, va_list);
-
-/*
-** When a lock occurs, yield.
-*/
-static int db_is_locked(void *NotUsed, int iCount){
-  /* sched_yield(); */
-  if( verbose ) printf("BUSY %s #%d\n", (char*)NotUsed, iCount);
-  usleep(100);
-  return iCount<25;
-}
-
-/*
-** Used to accumulate query results by db_query()
-*/
-struct QueryResult {
-  const char *zFile;  /* Filename - used for error reporting */
-  int nElem;          /* Number of used entries in azElem[] */
-  int nAlloc;         /* Number of slots allocated for azElem[] */
-  char **azElem;      /* The result of the query */
-};
-
-/*
-** The callback function for db_query
-*/
-static int db_query_callback(
-  void *pUser,     /* Pointer to the QueryResult structure */
-  int nArg,        /* Number of columns in this result row */
-  char **azArg,    /* Text of data in all columns */
-  char **NotUsed   /* Names of the columns */
-){
-  struct QueryResult *pResult = (struct QueryResult*)pUser;
-  int i;
-  if( pResult->nElem + nArg >= pResult->nAlloc ){
-    if( pResult->nAlloc==0 ){
-      pResult->nAlloc = nArg+1;
-    }else{
-      pResult->nAlloc = pResult->nAlloc*2 + nArg + 1;
-    }
-    pResult->azElem = realloc( pResult->azElem, pResult->nAlloc*sizeof(char*));
-    if( pResult->azElem==0 ){
-      fprintf(stdout,"%s: malloc failed\n", pResult->zFile);
-      return 1;
-    }
-  }
-  if( azArg==0 ) return 0;
-  for(i=0; i<nArg; i++){
-    pResult->azElem[pResult->nElem++] =
-        sqlite3_mprintf("%s",azArg[i] ? azArg[i] : ""); 
-  }
-  return 0;
-}
-
-/*
-** Execute a query against the database.  NULL values are returned
-** as an empty string.  The list is terminated by a single NULL pointer.
-*/
-char **db_query(sqlite *db, const char *zFile, const char *zFormat, ...){
-  char *zSql;
-  int rc;
-  char *zErrMsg = 0;
-  va_list ap;
-  struct QueryResult sResult;
-  va_start(ap, zFormat);
-  zSql = sqlite3_vmprintf(zFormat, ap);
-  va_end(ap);
-  memset(&sResult, 0, sizeof(sResult));
-  sResult.zFile = zFile;
-  if( verbose ) printf("QUERY %s: %s\n", zFile, zSql);
-  rc = sqlite3_exec(db, zSql, db_query_callback, &sResult, &zErrMsg);
-  if( rc==SQLITE_SCHEMA ){
-    if( zErrMsg ) free(zErrMsg);
-    rc = sqlite3_exec(db, zSql, db_query_callback, &sResult, &zErrMsg);
-  }
-  if( verbose ) printf("DONE %s %s\n", zFile, zSql);
-  if( zErrMsg ){
-    fprintf(stdout,"%s: query failed: %s - %s\n", zFile, zSql, zErrMsg);
-    free(zErrMsg);
-    free(zSql);
-    Exit(1);
-  }
-  sqlite3_free(zSql);
-  if( sResult.azElem==0 ){
-    db_query_callback(&sResult, 0, 0, 0);
-  }
-  sResult.azElem[sResult.nElem] = 0;
-  return sResult.azElem;
-}
-
-/*
-** Execute an SQL statement.
-*/
-void db_execute(sqlite *db, const char *zFile, const char *zFormat, ...){
-  char *zSql;
-  int rc;
-  char *zErrMsg = 0;
-  va_list ap;
-  va_start(ap, zFormat);
-  zSql = sqlite3_vmprintf(zFormat, ap);
-  va_end(ap);
-  if( verbose ) printf("EXEC %s: %s\n", zFile, zSql);
-  do{
-    rc = sqlite3_exec(db, zSql, 0, 0, &zErrMsg);
-  }while( rc==SQLITE_BUSY );
-  if( verbose ) printf("DONE %s: %s\n", zFile, zSql);
-  if( zErrMsg ){
-    fprintf(stdout,"%s: command failed: %s - %s\n", zFile, zSql, zErrMsg);
-    free(zErrMsg);
-    sqlite3_free(zSql);
-    Exit(1);
-  }
-  sqlite3_free(zSql);
-}
-
-/*
-** Free the results of a db_query() call.
-*/
-void db_query_free(char **az){
-  int i;
-  for(i=0; az[i]; i++){
-    sqlite3_free(az[i]);
-  }
-  free(az);
-}
-
-/*
-** Check results
-*/
-void db_check(const char *zFile, const char *zMsg, char **az, ...){
-  va_list ap;
-  int i;
-  char *z;
-  va_start(ap, az);
-  for(i=0; (z = va_arg(ap, char*))!=0; i++){
-    if( az[i]==0 || strcmp(az[i],z)!=0 ){
-      fprintf(stdout,"%s: %s: bad result in column %d: %s\n",
-        zFile, zMsg, i+1, az[i]);
-      db_query_free(az);
-      Exit(1);
-    }
-  }
-  va_end(ap);
-  db_query_free(az);
-}
-
-pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-pthread_cond_t sig = PTHREAD_COND_INITIALIZER;
-int thread_cnt = 0;
-
-static void *worker_bee(void *pArg){
-  const char *zFilename = (char*)pArg;
-  char *azErr;
-  int i, cnt;
-  int t = atoi(zFilename);
-  char **az;
-  sqlite *db;
-
-  pthread_mutex_lock(&lock);
-  thread_cnt++;
-  pthread_mutex_unlock(&lock);
-  printf("%s: START\n", zFilename);
-  fflush(stdout);
-  for(cnt=0; cnt<10; cnt++){
-    sqlite3_open(&zFilename[2], &db);
-    if( db==0 ){
-      fprintf(stdout,"%s: can't open\n", zFilename);
-      Exit(1);
-    }
-    sqlite3_busy_handler(db, db_is_locked, zFilename);
-    db_execute(db, zFilename, "CREATE TABLE t%d(a,b,c);", t);
-    for(i=1; i<=100; i++){
-      db_execute(db, zFilename, "INSERT INTO t%d VALUES(%d,%d,%d);",
-         t, i, i*2, i*i);
-    }
-    az = db_query(db, zFilename, "SELECT count(*) FROM t%d", t);
-    db_check(zFilename, "tX size", az, "100", 0);  
-    az = db_query(db, zFilename, "SELECT avg(b) FROM t%d", t);
-    db_check(zFilename, "tX avg", az, "101", 0);  
-    db_execute(db, zFilename, "DELETE FROM t%d WHERE a>50", t);
-    az = db_query(db, zFilename, "SELECT avg(b) FROM t%d", t);
-    db_check(zFilename, "tX avg2", az, "51", 0);
-    for(i=1; i<=50; i++){
-      char z1[30], z2[30];
-      az = db_query(db, zFilename, "SELECT b, c FROM t%d WHERE a=%d", t, i);
-      sprintf(z1, "%d", i*2);
-      sprintf(z2, "%d", i*i);
-      db_check(zFilename, "readback", az, z1, z2, 0);
-    }
-    db_execute(db, zFilename, "DROP TABLE t%d;", t);
-    sqlite3_close(db);
-  }
-  printf("%s: END\n", zFilename);
-  /* unlink(zFilename); */
-  fflush(stdout);
-  pthread_mutex_lock(&lock);
-  thread_cnt--;
-  if( thread_cnt<=0 ){
-    pthread_cond_signal(&sig);
-  }
-  pthread_mutex_unlock(&lock);
-  return 0;
-}
-
-int main(int argc, char **argv){
-  char *zFile;
-  int i, n;
-  pthread_t id;
-  if( argc>2 && strcmp(argv[1], "-v")==0 ){
-    verbose = 1;
-    argc--;
-    argv++;
-  }
-  if( argc<2 || (n=atoi(argv[1]))<1 ) n = 10;
-  for(i=0; i<n; i++){
-    char zBuf[200];
-    sprintf(zBuf, "testdb-%d", (i+1)/2);
-    unlink(zBuf);
-  }
-  for(i=0; i<n; i++){
-    zFile = sqlite3_mprintf("%d.testdb-%d", i%2+1, (i+2)/2);
-    if( (i%2)==0 ){
-      /* Remove both the database file and any old journal for the file
-      ** being used by this thread and the next one. */
-      char *zDb = &zFile[2];
-      char *zJournal = sqlite3_mprintf("%s-journal", zDb);
-      unlink(zDb);
-      unlink(zJournal);
-      free(zJournal);
-    }
-      
-    pthread_create(&id, 0, worker_bee, (void*)zFile);
-    pthread_detach(id);
-  }
-  pthread_mutex_lock(&lock);
-  while( thread_cnt>0 ){
-    pthread_cond_wait(&sig, &lock);
-  }
-  pthread_mutex_unlock(&lock);
-  for(i=0; i<n; i++){
-    char zBuf[200];
-    sprintf(zBuf, "testdb-%d", (i+1)/2);
-    unlink(zBuf);
-  }
-  return 0;
-}