/*
** Function getboot() returns the boot-time of this system
** (as number of seconds since 1-1-1970).
*/
time_t
getboot(void)
{
static time_t boottime;
if (!boottime) /* do this only once */
{
#ifdef linux
time_t getbootlinux(long);
boottime = getbootlinux(hertz);
#else
struct tms tms;
time_t boottime_again;
/*
** beware that between time() and times() a one-second
** upgrade could have taken place in the kernel, so an
** extra check is issued; if we were around a
** second-upgrade, just do it again (we just passed
** the danger-zone)
*/
boottime = time(0) - (times(&tms) / hertz);
boottime_again = time(0) - (times(&tms) / hertz);
if (boottime != boottime_again)
boottime = time(0) - (times(&tms) / hertz);
#endif
}
return boottime;
}
/*
** Function getboot() returns the boot-time of this system
** as number of jiffies since 1-1-1970.
*/
unsigned long long
getboot(void)
{
static unsigned long long boottime;
unsigned long long getbootlinux(long);
if (!boottime) /* do this only once */
boottime = getbootlinux(hertz);
return boottime;
}
