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jeremybenn |
/****************************************************************************
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* *
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* GNAT COMPILER COMPONENTS *
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* *
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* C A L *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 1992-2009, Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 3, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* As a special exception under Section 7 of GPL version 3, you are granted *
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* additional permissions described in the GCC Runtime Library Exception, *
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* version 3.1, as published by the Free Software Foundation. *
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* *
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* You should have received a copy of the GNU General Public License and *
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* a copy of the GCC Runtime Library Exception along with this program; *
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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/* This file contains those routines named by Import pragmas in package */
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/* GNAT.Calendar. It is used to do Duration to timeval conversion. */
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/* These are simple wrappers function to abstract the fact that the C */
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/* struct timeval fields type are not normalized (they are generally */
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/* defined as int or long values). */
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#if defined(VMS) || defined(__nucleus__)
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/* this is temporary code to avoid build failure under VMS */
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void
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__gnat_timeval_to_duration (void *t, long *sec, long *usec)
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{
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}
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void
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__gnat_duration_to_timeval (long sec, long usec, void *t)
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{
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}
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#else
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#if defined (__vxworks)
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#ifdef __RTP__
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#include <time.h>
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#include <version.h>
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#if (_WRS_VXWORKS_MINOR != 0)
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#include <sys/time.h>
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#endif
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#else
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#include <sys/times.h>
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#endif
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#elif defined (__nucleus__)
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#include <time.h>
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#else
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#include <sys/time.h>
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#endif
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#ifdef __MINGW32__
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#include "mingw32.h"
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#if STD_MINGW
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#include <winsock.h>
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#endif
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#endif
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void
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__gnat_timeval_to_duration (struct timeval *t, long *sec, long *usec)
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{
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*sec = (long) t->tv_sec;
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*usec = (long) t->tv_usec;
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}
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void
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__gnat_duration_to_timeval (long sec, long usec, struct timeval *t)
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{
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/* here we are doing implicit conversion from a long to the struct timeval
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fields types. */
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t->tv_sec = sec;
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t->tv_usec = usec;
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}
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#endif
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#ifdef __alpha_vxworks
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#include "vxWorks.h"
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#elif defined (__vxworks)
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#include <types/vxTypesOld.h>
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#endif
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/* Return the value of the "time" C library function. We always return
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a long and do it this way to avoid problems with not knowing
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what time_t is on the target. */
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long
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gnat_time (void)
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{
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return time (0);
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}
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