d7ce700605
Add Posix functions for porting compatibility. Fix compliance issues with ISO/IEC 9899:199409 New Functions: setenv(), fparseln(), GetFileNameFromPath(), rename(), realpath(), setprogname(), getprogname(), strlcat(), strlcpy(), strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(), mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(), writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(), bcopy(), git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524
197 lines
6.9 KiB
C
197 lines
6.9 KiB
C
/** @file
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System-specific declarations and macros related to time.
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Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Copyright (c) 1982, 1986, 1993
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The Regents of the University of California. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the University nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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time.h 8.5 (Berkeley) 5/4/95
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NetBSD: time.h,v 1.56 2006/06/18 21:09:24 uwe Exp
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*/
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#ifndef _SYS_TIME_H_
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#define _SYS_TIME_H_
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#include <Uefi.h>
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#include <sys/featuretest.h>
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#include <sys/types.h>
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/*
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* Traditional *nix structure returned by gettimeofday(2) system call,
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* and used in other calls.
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*/
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struct timeval {
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LONG32 tv_sec; /* seconds */
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LONG32 tv_usec; /* and microseconds */
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};
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/*
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* Structure defined by POSIX.1b to be like a timeval.
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* This works within EFI since the times really are time_t.
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* Note that this is not exactly POSIX compliant since tv_nsec
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* is a UINT32 instead of the compliant long.
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*/
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struct timespec {
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time_t tv_sec; /* seconds */
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UINT32 tv_nsec; /* and nanoseconds */
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};
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#define TIMEVAL_TO_TIMESPEC(tv, ts) do { \
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(ts)->tv_sec = (tv)->tv_sec; \
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(ts)->tv_nsec = (tv)->tv_usec * 1000; \
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} while (/*CONSTCOND*/0)
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#define TIMESPEC_TO_TIMEVAL(tv, ts) do { \
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(tv)->tv_sec = (ts)->tv_sec; \
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(tv)->tv_usec = (ts)->tv_nsec / 1000; \
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} while (/*CONSTCOND*/0)
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/* Operations on timevals. */
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#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
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#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
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#define timercmp(tvp, uvp, cmp) \
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(((tvp)->tv_sec == (uvp)->tv_sec) ? \
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((tvp)->tv_usec cmp (uvp)->tv_usec) : \
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((tvp)->tv_sec cmp (uvp)->tv_sec))
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#define timeradd(tvp, uvp, vvp) \
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do { \
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(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
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(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
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if ((vvp)->tv_usec >= 1000000) { \
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(vvp)->tv_sec++; \
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(vvp)->tv_usec -= 1000000; \
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} \
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} while (/* CONSTCOND */ 0)
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#define timersub(tvp, uvp, vvp) \
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do { \
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(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
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(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
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if ((vvp)->tv_usec < 0) { \
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(vvp)->tv_sec--; \
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(vvp)->tv_usec += 1000000; \
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} \
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} while (/* CONSTCOND */ 0)
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/* Operations on timespecs. */
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#define timespecclear(tsp) (tsp)->tv_sec = (tsp)->tv_nsec = 0
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#define timespecisset(tsp) ((tsp)->tv_sec || (tsp)->tv_nsec)
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#define timespeccmp(tsp, usp, cmp) \
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(((tsp)->tv_sec == (usp)->tv_sec) ? \
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((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
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((tsp)->tv_sec cmp (usp)->tv_sec))
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#define timespecadd(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
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if ((vsp)->tv_nsec >= 1000000000L) { \
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(vsp)->tv_sec++; \
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(vsp)->tv_nsec -= 1000000000L; \
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} \
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} while (/* CONSTCOND */ 0)
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#define timespecsub(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
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if ((vsp)->tv_nsec < 0) { \
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(vsp)->tv_sec--; \
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(vsp)->tv_nsec += 1000000000L; \
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} \
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} while (/* CONSTCOND */ 0)
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/*
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* Names of the interval timers, and structure
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* defining a timer setting.
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*/
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#define ITIMER_REAL 0
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#define ITIMER_VIRTUAL 1
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#define ITIMER_PROF 2
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struct itimerval {
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struct timeval it_interval; /* timer interval */
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struct timeval it_value; /* current value */
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};
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/*
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* Structure defined by POSIX.1b to be like a itimerval, but with
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* timespecs. Used in the timer_*() system calls.
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*/
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struct itimerspec {
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struct timespec it_interval;
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struct timespec it_value;
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};
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#define CLOCK_REALTIME 0
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#define CLOCK_VIRTUAL 1
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#define CLOCK_PROF 2
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#define CLOCK_MONOTONIC 3
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#define TIMER_RELTIME 0x0 /* relative timer */
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#define TIMER_ABSTIME 0x1 /* absolute timer */
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#if 0
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#if (_POSIX_C_SOURCE - 0) >= 200112L || \
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(defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
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(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
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#include <sys/select.h>
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#endif
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#endif /* if 0 */
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#include <sys/EfiCdefs.h>
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#include <time.h>
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/* Functions useful for dealing with EFI */
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__BEGIN_DECLS
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/* Convert an EFI_TIME structure into a time_t value. */
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time_t Efi2Time( EFI_TIME *EfiBDtime);
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/* Convert an EFI_TIME structure into a C Standard tm structure. */
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void Efi2Tm( EFI_TIME *EfiBDtime, struct tm *NewTime);
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__END_DECLS
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/* BSD compatibility functions */
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int gettimeofday (struct timeval *tp, void *ignore);
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/* POSIX compatibility functions */
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int getitimer (int which, struct itimerval *value);
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int setitimer (int which, const struct itimerval *value, struct itimerval *ovalue);
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#endif /* !_SYS_TIME_H_ */
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