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/*
* ntp_syscall.h - various ways to perform the ntp_adjtime() and ntp_gettime()
* system calls.
*/
#ifndef NTP_SYSCALL_H
#define NTP_SYSCALL_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_SYS_TIMEX_H
# include <sys/timex.h>
#endif
#ifdef NTP_SYSCALLS_STD
# define ntp_adjtime(t) syscall(SYS_ntp_adjtime, (t))
# define ntp_gettime(t) syscall(SYS_ntp_gettime, (t))
#else /* !NTP_SYSCALLS_STD */
# ifdef HAVE___ADJTIMEX
extern int __adjtimex P((struct timex *));
# define ntp_adjtime(t) __adjtimex((t))
static inline int
ntp_gettime(
struct ntptimeval *ntv
)
{
struct timex tntx;
int result;
tntx.modes = 0;
result = __adjtimex (&tntx);
ntv->time = tntx.time;
ntv->maxerror = tntx.maxerror;
ntv->esterror = tntx.esterror;
return(result);
}
# else /* !HAVE__ADJTIMEX */
# ifdef HAVE___NTP_GETTIME
# define ntp_gettime(t) __ntp_gettime((t))
# endif
# endif /* !HAVE_ADJTIMEX */
#endif /* !NTP_SYSCALLS_STD */
#endif /* NTP_SYSCALL_H */
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