File: clock_gettime.h

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/*********************                                                        */
/*! \file clock_gettime.h
 ** \verbatim
 ** Top contributors (to current version):
 **   Morgan Deters, Mathias Preiner
 ** This file is part of the CVC4 project.
 ** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
 ** in the top-level source directory) and their institutional affiliations.
 ** All rights reserved.  See the file COPYING in the top-level source
 ** directory for licensing information.\endverbatim
 **
 ** \brief Replacement for clock_gettime() for systems without it (Windows)
 **
 ** Replacement for clock_gettime() for systems without it (Windows).
 **/

#include "cvc4_private_library.h"

#ifndef CVC4__LIB__CLOCK_GETTIME_H
#define CVC4__LIB__CLOCK_GETTIME_H

#include "lib/replacements.h"

#ifdef HAVE_CLOCK_GETTIME

/* it should be available from <time.h> */
#include <time.h>

#else /* HAVE_CLOCK_GETTIME */

/* otherwise, we have to define it */

#if defined(__WIN32__) && !defined(_W64)

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

struct timespec {
  uint64_t tv_sec;
  int32_t tv_nsec;
};/* struct timespec */

#ifdef __cplusplus
}/* extern "C" */
#endif /* __cplusplus */

#else /* !__WIN32__ || _W64 */

/* get timespec from <time.h> */
#include <time.h>

#endif /* __WIN32__ && !_W64 */

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

struct timespec;

typedef enum {
  CLOCK_REALTIME,
  CLOCK_MONOTONIC,
  CLOCK_REALTIME_HR,
  CLOCK_MONOTONIC_HR
} clockid_t;

long clock_gettime(clockid_t which_clock, struct timespec* tp);

#ifdef __cplusplus
}/* extern "C" */
#endif /* __cplusplus */

#endif /* HAVE_CLOCK_GETTIME */
#endif /*CVC4__LIB__CLOCK_GETTIME_H */