/*
 ******************************************************************************
 *                     HEADER FILE
 *
 *     Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: time.h,v $ $Revision: 1.2 $
 *     $Source: /home/interpeak/CVSRoot/ipxinc/include/sys/time.h,v $
 *     $Author: lob $ $Date: 2006-04-10 11:03:29 $
 *     $State: Exp $ $Locker:  $
 *
 *     INTERPEAK_COPYRIGHT_STRING
 *     Design and implementation by Lennart Bang <lob@interpeak.se>
 ******************************************************************************
 */
#ifndef IP_SYS_TIME_H
#define IP_SYS_TIME_H

/*
 ****************************************************************************
 * 1                    DESCRIPTION
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 2                    CONFIGURATION
 ****************************************************************************
 */

#include "ipcom_config.h"


/*
 ****************************************************************************
 * 3                    INCLUDE FILES
 ****************************************************************************
 */

#include "sys/types.h"

#define IPCOM_USE_CLIB_PROTO
#include "ipcom_time.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 ****************************************************************************
 * 4                    DEFINES
 ****************************************************************************
 */

#define ITIMER_REAL     0
#define ITIMER_VIRTUAL  1
#define ITIMER_PROF     2

# define timerisset(tvp)        ((tvp)->tv_sec || (tvp)->tv_usec)

# define timerclear(tvp)        ((tvp)->tv_sec = (tvp)->tv_usec = 0)

# define timercmp(a, b, CMP)                                                  \
  (((a)->tv_sec == (b)->tv_sec) ?                                             \
   ((a)->tv_usec CMP (b)->tv_usec) :                                          \
   ((a)->tv_sec CMP (b)->tv_sec))

# define timeradd(a, b, result)                                               \
  do {                                                                        \
    (result)->tv_sec = (a)->tv_sec + (b)->tv_sec;                             \
    (result)->tv_usec = (a)->tv_usec + (b)->tv_usec;                          \
    if ((result)->tv_usec >= 1000000) {                                       \
        ++(result)->tv_sec;                                                   \
        (result)->tv_usec -= 1000000;                                         \
    }                                                                         \
  } while (0)

# define timersub(a, b, result)                                               \
  do {                                                                        \
    (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;                             \
    (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;                          \
    if ((result)->tv_usec < 0) {                                              \
      --(result)->tv_sec;                                                     \
      (result)->tv_usec += 1000000;                                           \
    }                                                                         \
  } while (0)


/*
 ****************************************************************************
 * 5                    TYPES
 ****************************************************************************
 */

#define timezone   Ip_timezone

struct	Ip_itimerval {
	struct  Ip_timeval it_interval;	/* timer interval */
	struct  Ip_timeval it_value;	/* current value */
};
#define itimerval  Ip_itimerval


/*
 ****************************************************************************
 * 6                    FUNCTIONS
 ****************************************************************************
 */

int ipk_getitimer(int which, struct Ip_itimerval *value);
#define getitimer ipk_getitimer

int ipk_setitimer(int which, const struct Ip_itimerval *value, struct Ip_itimerval *ovalue);
#define setitimer ipk_setitimer

#ifdef NETSNMP_INTERPEAK
#ifdef timezone
#undef timezone
#endif
struct timezone
{
    int  tz_minuteswest; /* minutes W of Greenwich */
    int  tz_dsttime;     /* type of dst correction */
};
extern int daylight;
extern long timezone;

#ifdef setitimer
#undef setitimer
#endif
#define setitimer(w,v,o)   ipnetsnmp_setitimer(w,v,o)
IP_PUBLIC int ipnetsnmp_setitimer(int which, const struct Ip_itimerval *value, struct Ip_itimerval *ovalue);
#endif  /* #ifdef NETSNMP_INTERPEAK */

#ifdef __cplusplus
}
#endif

#endif

/*
 ****************************************************************************
 *                      END OF FILE
 ****************************************************************************
 */