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/******************************** -*- C -*- ****************************
*
* System specific implementation module.
*
* This module contains implementations of various operating system
* specific routines. This module should encapsulate most (or all)
* of these calls so that the rest of the code is portable.
*
*
***********************************************************************/
/***********************************************************************
*
* Copyright 1988,89,90,91,92,94,95,99,2000,2001,2002,2003,2006,2007,2008,2009
* Free Software Foundation, Inc.
* Written by Steve Byrne.
*
* This file is part of GNU Smalltalk.
*
* GNU Smalltalk is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2, or (at your option) any later
* version.
*
* Linking GNU Smalltalk statically or dynamically with other modules is
* making a combined work based on GNU Smalltalk. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* In addition, as a special exception, the Free Software Foundation
* give you permission to combine GNU Smalltalk with free software
* programs or libraries that are released under the GNU LGPL and with
* independent programs running under the GNU Smalltalk virtual machine.
*
* You may copy and distribute such a system following the terms of the
* GNU GPL for GNU Smalltalk and the licenses of the other code
* concerned, provided that you include the source code of that other
* code when and as the GNU GPL requires distribution of source code.
*
* Note that people who make modified versions of GNU Smalltalk are not
* obligated to grant this special exception for their modified
* versions; it is their choice whether to do so. The GNU General
* Public License gives permission to release a modified version without
* this exception; this exception also makes it possible to release a
* modified version which carries forward this exception.
*
* GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Smalltalk; see the file COPYING. If not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
***********************************************************************/
#include "gstpriv.h"
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
#ifdef HAVE_SYS_TIMEB_H
#include <sys/timeb.h>
#endif
uint64_t
_gst_get_milli_time (void)
{
#if defined HAVE_CLOCK_GETTIME && defined _POSIX_MONOTONIC_CLOCK
struct timespec tp;
clock_gettime (CLOCK_MONOTONIC, &tp);
return (tp.tv_sec * (uint64_t) 1000 + tp.tv_nsec / 1000000);
#else
struct timeval t;
gettimeofday (&t, NULL);
t.tv_sec %= 86400;
return (t.tv_sec * (uint64_t) 1000 + t.tv_usec / 1000);
#endif
}
char *
_gst_current_time_zone_name (void)
{
const char *zone;
zone = getenv ("TZ");
if (!zone)
zone = "XXX";
return xstrdup (zone);
}
void
_gst_usleep (int us)
{
#if defined HAVE_NANOSLEEP
struct timespec ts = { us / 1000000, (us % 1000000) * 1000 };
nanosleep (&ts, NULL);
#elif defined HAVE_USLEEP
usleep (us);
#endif
}
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