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91 lines
1.7 KiB
C
91 lines
1.7 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 2001-2005
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* Sleepycat Software. All rights reserved.
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*
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* $Id: os_clock.c,v 12.1 2005/06/16 20:23:23 bostic Exp $
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*/
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#include "db_config.h"
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#if TIME_WITH_SYS_TIME
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#include <sys/time.h>
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#include <time.h>
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#else
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#if HAVE_SYS_TIME_H
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#include <sys/time.h>
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#else
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#include <time.h>
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#endif /* HAVE_SYS_TIME_H */
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#endif /* TIME_WITH SYS_TIME */
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#include <string.h>
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#endif
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#include "db_int.h"
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/*
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* __os_clock --
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* Return the current time-of-day clock in seconds and microseconds.
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*
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* PUBLIC: void __os_clock __P((DB_ENV *, u_int32_t *, u_int32_t *));
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*/
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void
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__os_clock(dbenv, secsp, usecsp)
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DB_ENV *dbenv;
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u_int32_t *secsp, *usecsp; /* Seconds and microseconds. */
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{
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const char *sc;
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int ret;
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#if defined(HAVE_GETTIMEOFDAY)
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struct timeval tp;
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RETRY_CHK((gettimeofday(&tp, NULL)), ret);
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if (ret != 0) {
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sc = "gettimeofday";
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goto err;
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}
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if (secsp != NULL)
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*secsp = (u_int32_t)tp.tv_sec;
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if (usecsp != NULL)
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*usecsp = (u_int32_t)tp.tv_usec;
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#endif
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#if !defined(HAVE_GETTIMEOFDAY) && defined(HAVE_CLOCK_GETTIME)
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struct timespec tp;
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RETRY_CHK((clock_gettime(CLOCK_REALTIME, &tp)), ret);
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if (ret != 0) {
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sc = "clock_gettime";
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goto err;
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}
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if (secsp != NULL)
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*secsp = tp.tv_sec;
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if (usecsp != NULL)
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*usecsp = tp.tv_nsec / 1000;
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#endif
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#if !defined(HAVE_GETTIMEOFDAY) && !defined(HAVE_CLOCK_GETTIME)
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time_t now;
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RETRY_CHK((time(&now) == (time_t)-1 ? 1 : 0), ret);
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if (ret != 0) {
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sc = "time";
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goto err;
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}
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if (secsp != NULL)
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*secsp = now;
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if (usecsp != NULL)
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*usecsp = 0;
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#endif
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return;
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err: __db_err(dbenv, "%s: %s", sc, strerror(ret));
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(void)__db_panic(dbenv, ret);
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}
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