machines.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright (c) 1996 by Sun Microsystems, Inc.
* All Rights Reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* machines.c - provide special support for peculiar architectures
*
* Real bummers unite !
*
*/
#include "ntp_stdlib.h"
#ifndef SYS_WINNT
#ifdef SYS_VXWORKS
#include "taskLib.h"
#include "sysLib.h"
#include "time.h"
#include "ntp_syslog.h"
/* some translations to the world of vxWorkings -casey */
/* first some netdb type things */
#include "ioLib.h"
#include <socket.h>
int h_errno;
struct hostent *gethostbyname(char *name)
{
struct hostent *host1;
h_errno = 0; /* we are always successful!!! */
host1 = (struct hostent *) malloc (sizeof(struct hostent));
host1->h_name = name;
host1->h_addrtype = AF_INET;
host1->h_aliases = name;
host1->h_length = 4;
host1->h_addr_list[0] = (char *)hostGetByName (name);
host1->h_addr_list[1] = NULL;
return host1;
}
struct hostent *gethostbyaddr(char *name, int size, int addr_type)
{
struct hostent *host1;
h_errno = 0; /* we are always successful!!! */
host1 = (struct hostent *) malloc (sizeof(struct hostent));
host1->h_name = name;
host1->h_addrtype = AF_INET;
host1->h_aliases = name;
host1->h_length = 4;
host1->h_addr_list = NULL;
return host1;
}
struct servent *getservbyname (char *name, char *type)
{
struct servent *serv1;
serv1 = (struct servent *) malloc (sizeof(struct servent));
serv1->s_name = "ntp"; /* official service name */
serv1->s_aliases = NULL; /* alias list */
serv1->s_port = 123; /* port # */
serv1->s_proto = "udp"; /* protocol to use */
return serv1;
}
/* second
* vxworks thinks it has insomnia
* we have to sleep for number of seconds
*/
#define CLKRATE sysClkRateGet()
/* I am not sure how valid the granularity is - it is from G. Eger's port */
#define CLK_GRANULARITY 1 /* Granularity of system clock in usec */
/* Used to round down # usecs/tick */
/* On a VCOM-100, PIT gets 8 MHz clk, */
/* & it prescales by 32, thus 4 usec */
/* on mv167, granularity is 1usec anyway*/
/* To defeat rounding, set to 1 */
#define USECS_PER_SEC 1000000L /* Microseconds per second */
#define TICK (((USECS_PER_SEC / CLKRATE) / CLK_GRANULARITY) * CLK_GRANULARITY)
/* emulate unix sleep
* casey
*/
void sleep(int seconds)
{
taskDelay(seconds*TICK);
}
/* emulate unix alarm
* that pauses and calls SIGALRM after the seconds are up...
* so ... taskDelay() fudged for seconds should amount to the same thing.
* casey
*/
void alarm (int seconds)
{
sleep(seconds);
}
#endif /* SYS_VXWORKS */
#ifdef SYS_PTX /* Does PTX still need this? */
/*#include <sys/types.h> */
#include <sys/procstats.h>
int
gettimeofday(tvp)
struct timeval *tvp;
{
/*
* hi, this is Sequents sneak path to get to a clock
* this is also the most logical syscall for such a function
*/
return (get_process_stats(tvp, PS_SELF, (struct procstats *) 0,
(struct procstats *) 0));
}
#endif /* SYS_PTX */
#if defined(HAVE_CLOCK_SETTIME) && defined(CLOCK_REALTIME)
const char *set_tod_using = "clock_settime";
/*#include <time.h> */
int
settimeofday(tvp, tzp)
struct timeval *tvp;
void *tzp;
{
struct timespec ts;
/* Convert timeval to timespec */
ts.tv_sec = tvp->tv_sec;
ts.tv_nsec = 1000 * tvp->tv_usec;
return clock_settime(CLOCK_REALTIME, &ts);
}
#else /* not HAVE_CLOCK_SETTIME || not CLOCK_REALTIME */
# ifdef HAVE_SETTIMEOFDAY
const char *set_tod_using = "settimeofday";
# else /* not (HAVE_SETTIMEOFDAY || HAVE_CLOCK_SETTIME) */
# ifdef HAVE_STIME
char *set_tod_using = "stime";
int
settimeofday(tvp, tzp)
struct timeval *tvp;
void *tzp;
{
return (stime(&tvp->tv_sec)); /* lie as bad as SysVR4 */
}
# else
# include <Bletch: How do we set the time here?>
# endif /* HAVE_STIME */
# endif /* not (HAVE_SETTIMEOFDAY || HAVE_CLOCK_SETTIME) */
#endif /* not HAVE_CLOCK_SETTIME */
#else /* SYS_WINNT */
#include <time.h>
#include <sys\timeb.h>
#include <conio.h>
#include "ntp_syslog.h"
char * set_tod_using = "SetSystemTime";
/* Windows NT versions of gettimeofday and settimeofday
*
* ftime() has internal DayLightSavings related BUGS
* therefore switched to GetSystemTimeAsFileTime()
*/
/* 100ns intervals between 1/1/1601 and 1/1/1970 as reported by
* SystemTimeToFileTime()
*/
#define FILETIME_1970 0x019db1ded53e8000
const BYTE DWLEN = sizeof(DWORD) * 8; /* number of bits in DWORD */
int
gettimeofday(tv)
struct timeval *tv;
{
FILETIME ft;
__int64 msec;
GetSystemTimeAsFileTime(&ft); /* 100ns intervals since 1/1/1601 */
msec = (__int64) ft.dwHighDateTime << DWLEN | ft.dwLowDateTime;
msec = (msec - FILETIME_1970) / 10;
tv->tv_sec = (long) (msec / 1000000);
tv->tv_usec = (long) (msec % 1000000);
return 0;
}
int
settimeofday(tv)
struct timeval *tv;
{
SYSTEMTIME st;
struct tm *gmtm;
long x = tv->tv_sec;
long y = tv->tv_usec;
gmtm = gmtime((const time_t *) &x);
st.wSecond = (WORD) gmtm->tm_sec;
st.wMinute = (WORD) gmtm->tm_min;
st.wHour = (WORD) gmtm->tm_hour;
st.wDay = (WORD) gmtm->tm_mday;
st.wMonth = (WORD) (gmtm->tm_mon + 1);
st.wYear = (WORD) (gmtm->tm_year + 1900);
st.wDayOfWeek = (WORD) gmtm->tm_wday;
st.wMilliseconds = (WORD) (y / 1000);
if (!SetSystemTime(&st)) {
msyslog(LOG_ERR, "SetSystemTime failed: %m\n");
return -1;
}
return 0;
}
#endif /* SYS_WINNT */
#if defined (SYS_WINNT) || defined (SYS_VXWORKS)
/* getpass is used in ntpq.c and ntpdc.c */
char *
getpass(const char * prompt)
{
int c, i;
static char password[32];
fprintf(stderr, "%s", prompt);
fflush(stderr);
for (i=0; i<sizeof(password)-1 && ((c=_getch())!='\n'); i++) {
password[i] = c;
}
password[i] = '\0';
return password;
}
#endif /* SYS_WINNT */
#if !defined(HAVE_MEMSET) || defined(NTP_NEED_BOPS)
void
ntp_memset(a, x, c)
char *a;
int x, c;
{
while (c-- > 0)
*a++ = x;
}
#endif /*POSIX*/