public int InvokeBusyHandler()
{
if (C._NEVER(BusyHandler == null) || BusyHandler.Func == null || BusyHandler.Busys < 0)
{
return(0);
}
int rc = BusyHandler.Func(BusyHandler.Arg, BusyHandler.Busys);
if (rc == 0)
{
BusyHandler.Busys = -1;
}
else
{
BusyHandler.Busys++;
}
return(rc);
}
/*
** Invoke the given busy handler.
**
** This routine is called when an operation failed with a lock.
** If this routine returns non-zero, the lock is retried. If it
** returns 0, the operation aborts with an SQLITE_BUSY error.
*/
static int sqlite3InvokeBusyHandler( BusyHandler p )
{
int rc;
if ( NEVER( p == null ) || p.xFunc == null || p.nBusy < 0 )
return 0;
rc = p.xFunc( p.pArg, p.nBusy );
if ( rc == 0 )
{
p.nBusy = -1;
}
else
{
p.nBusy++;
}
return rc;
}
