#include <sys/types.h>
Go to the source code of this file.
Data Structures | |
struct | timeval |
Time value accurate to microseconds. More... | |
struct | timespec |
Time value accurate to nanoseconds. More... | |
struct | timezone |
Time zone. More... | |
Defines | |
#define | _ABLE_CLIB_SYS_TIME_H 1 |
#define | timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) |
#define | timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) |
#define | timercmp(a, b, CMP) |
#define | timeradd(a, b, result) |
#define | timersub(a, b, result) |
Functions | |
int | gettimeofday (struct timeval *tv, struct timezone *tz) |
Get the current time of day. | |
int | settimeofday (const struct timeval *tv, const struct timezone *tz) |
Set the current time of day. |
#define _ABLE_CLIB_SYS_TIME_H 1 |
#define timeradd | ( | a, | |||
b, | |||||
result | ) |
Value:
do { \ (result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \ while ((result)->tv_usec >= 1000000) { \ ++(result)->tv_sec; \ (result)->tv_usec -= 1000000; \ } \ } while (0)
#define timerclear | ( | tvp | ) | ((tvp)->tv_sec = (tvp)->tv_usec = 0) |
#define timercmp | ( | a, | |||
b, | |||||
CMP | ) |
Value:
(((a)->tv_sec == (b)->tv_sec) ? \ ((a)->tv_usec CMP (b)->tv_usec) : \ ((a)->tv_sec CMP (b)->tv_sec))
#define timerisset | ( | tvp | ) | ((tvp)->tv_sec || (tvp)->tv_usec) |
#define timersub | ( | a, | |||
b, | |||||
result | ) |
Value:
do { \ (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ while ((result)->tv_usec < 0) { \ --(result)->tv_sec; \ (result)->tv_usec += 1000000; \ } \ } while (0)
Set the current time of day.