[sql] Import reference version of SQLite 3.10.2.

third_party/sqlite/sqlite-src-3100200/src/test_superlock.c

 /*
 ** 2010 November 19
 **
 ** 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.
 **
 *************************************************************************
 ** Example code for obtaining an exclusive lock on an SQLite database
 ** file. This method is complicated, but works for both WAL and rollback
 ** mode database files. The interface to the example code in this file 
 ** consists of the following two functions:
 **
 **   sqlite3demo_superlock()
 **   sqlite3demo_superunlock()
 */
 
-#include <sqlite3.h>
+#include "sqlite3.h"
 #include <string.h>               /* memset(), strlen() */
 #include <assert.h>               /* assert() */
 
 /*
 ** A structure to collect a busy-handler callback and argument and a count
 ** of the number of times it has been invoked.
 */
 struct SuperlockBusy {
   int (*xBusy)(void*,int);        /* Pointer to busy-handler function */
   void *pBusyArg;                 /* First arg to pass to xBusy */
@@ skipping 315 matching lines @@
   );
   Tcl_SetObjResult(interp, objv[1]);
   return TCL_OK;
 }
 
 int SqliteSuperlock_Init(Tcl_Interp *interp){
   Tcl_CreateObjCommand(interp, "sqlite3demo_superlock", superlock_cmd, 0, 0);
   return TCL_OK;
 }
 #endif