if (__db_tsl_spins != 0) return (__db_tsl_spins);
if (DB_GLOBAL(db_tsl_spins) != 0) return (DB_GLOBAL(db_tsl_spins));   if (sys_val != 0) return (sys_val);
__os_spin(){	extern int __db_tsl_spins;	/* If the application specified the spins, use its value. */	if (__db_tsl_spins != 0)		return (__db_tsl_spins);	/*	 * XXX	 * Sysconf: Solaris uses _SC_NPROCESSORS_ONLN to return the number	 * of online processors.  I don't know if this call is portable or	 * not.	 */#if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)	{		long sys_val;		sys_val = sysconf(_SC_NPROCESSORS_ONLN);		if (sys_val > 0)			return (sys_val * 50);	}#endif	/* Default to a single processor. */	return (1);}