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/*
$Id: init_linux.cpp,v 1.28 2001/12/22 11:25:19 mbn Exp $
------------------------------------------------------------------------
ClanLib, the platform independent game SDK.
This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
version 2. See COPYING for details.
For a total list of contributers see CREDITS.
------------------------------------------------------------------------
*/
#include "Core/precomp.h"
#include <unistd.h>
#include <dlfcn.h>
#include <errno.h>
#include <dirent.h>
#include <signal.h>
#include <cassert>
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include "implementation.h"
#include "appconf.h"
#include "init_linux.h"
// note: this cannot be replaced by <ctime>! (timeval needs to be defined)
#include <sys/time.h>
#include "API/Core/System/setupcore.h"
#include "API/Core/System/system.h"
static int init_ref_count = 0;
long _begin_time;
void init_system()
{
init_ref_count++;
if (init_ref_count > 1) return;
timeval tv;
gettimeofday(&tv, NULL);
_begin_time = (long) tv.tv_sec*(long) 1000+(long) tv.tv_usec/(long) 1000;
#ifdef NDEBUG
signal(SIGSEGV, deinit);
#endif
}
void deinit_system()
{
init_ref_count--;
if (init_ref_count > 0) return;
#ifdef NDEBUG
signal(SIGSEGV,SIG_DFL); //restore default behavior
#endif
}
unsigned int CL_System::get_time()
{
timeval tv;
gettimeofday(&tv, NULL);
long tid = (long) tv.tv_sec*(long) 1000 + (long) tv.tv_usec/(long) 1000 - _begin_time;
return tid;
}
void CL_System::sleep(int millis)
{
timeval tv;
tv.tv_sec = millis/1000;
tv.tv_usec = (millis%1000)*1000;
select(0, 0, 0, 0, &tv);
}
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