Партнёры:
Хостинг:
boottime time_second time_uptime - system time variables
Vt extern struct timeval boottime ; Vt extern time_t time_second ; Vt extern time_t time_uptime ;
The time_second variable is the system's ``wall time'' clock to the second.
The time_uptime variable is the number of seconds since boot.
The bintime(9), getbintime(9), microtime(9), getmicrotime(9), nanotime(9), and getnanotime(9) functions can be used to get the current time more accurately and in an atomic manner. Similarly, the binuptime(9), getbinuptime(9), microuptime(9), getmicrouptime(9), nanouptime(9), and getnanouptime(9) functions can be used to get the time elapse since boot more accurately and in an atomic manner. The boottime variable may be read and written without special precautions.
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