rt-thread/components/libc/armlibc/sys/time.h

46 lines
891 B
C

#ifndef _SYS_TIME_H_
#define _SYS_TIME_H_
#include <time.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _TIMEVAL_DEFINED
#define _TIMEVAL_DEFINED
/*
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
*/
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
#endif /* _TIMEVAL_DEFINED */
#ifndef _TIMESPEC_DEFINED
#define _TIMESPEC_DEFINED
/*
* Structure defined by POSIX.1b to be like a timeval.
*/
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* and nanoseconds */
};
#endif /* _TIMESPEC_DEFINED */
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
int gettimeofday(struct timeval *tp, void *ignore);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TIME_H_ */