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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2001-2002
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: os_clock.c,v 1.1.1.1 2003/11/20 22:13:37 toshok Exp $";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#if TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif /* HAVE_SYS_TIME_H */
#endif /* TIME_WITH SYS_TIME */
#include <string.h>
#endif
#include "db_int.h"
/*
* __os_clock --
* Return the current time-of-day clock in seconds and microseconds.
*
* PUBLIC: int __os_clock __P((DB_ENV *, u_int32_t *, u_int32_t *));
*/
int
__os_clock(dbenv, secsp, usecsp)
DB_ENV *dbenv;
u_int32_t *secsp, *usecsp; /* Seconds and microseconds. */
{
#if defined(HAVE_GETTIMEOFDAY)
struct timeval tp;
int ret;
retry: if (gettimeofday(&tp, NULL) != 0) {
if ((ret = __os_get_errno()) == EINTR)
goto retry;
__db_err(dbenv, "gettimeofday: %s", strerror(ret));
return (ret);
}
if (secsp != NULL)
*secsp = tp.tv_sec;
if (usecsp != NULL)
*usecsp = tp.tv_usec;
#endif
#if !defined(HAVE_GETTIMEOFDAY) && defined(HAVE_CLOCK_GETTIME)
struct timespec tp;
int ret;
retry: if (clock_gettime(CLOCK_REALTIME, &tp) != 0) {
if ((ret = __os_get_errno()) == EINTR)
goto retry;
__db_err(dbenv, "clock_gettime: %s", strerror(ret));
return (ret);
}
if (secsp != NULL)
*secsp = tp.tv_sec;
if (usecsp != NULL)
*usecsp = tp.tv_nsec / 1000;
#endif
#if !defined(HAVE_GETTIMEOFDAY) && !defined(HAVE_CLOCK_GETTIME)
time_t now;
int ret;
if (time(&now) == (time_t)-1) {
ret = __os_get_errno();
__db_err(dbenv, "time: %s", strerror(ret));
return (ret);
}
if (secsp != NULL)
*secsp = now;
if (usecsp != NULL)
*usecsp = 0;
#endif
return (0);
}
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