Portable build framework for OpenNTPD
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

43 lines
888 B

/*
* Public domain
* sys/time.h compatibility shim
*/
#ifndef LIBCOMPAT_SYS_TIME_H
#define LIBCOMPAT_SYS_TIME_H
#include_next <sys/time.h>
#include <stdint.h>
int adjfreq(const int64_t *freq, int64_t *oldfreq);
#ifdef __sun
static inline int sun_adjtime(struct timeval *delta, struct timeval *olddelta)
{
struct timeval zero = {0};
int rc;
/*
* adjtime on Solaris appears to handle a NULL delta differently than
* other OSes. Fill in a dummy value as necessary.
*/
if (delta)
rc = adjtime(delta, olddelta);
else
rc = adjtime(&zero, olddelta);
/*
* Old delta on Solaris frequently gets stuck with 1 ms left.
* Round down to 0 in this case so we do not get flapping clock sync.
*/
if (rc == 0 && olddelta &&
olddelta->tv_sec == 0 && olddelta->tv_usec == 1)
olddelta->tv_usec = 0;
return rc;
}
#define adjtime(d, o) sun_adjtime(d, o)
#endif
#endif