/*  PCSX2 - PS2 Emulator for PCs
 *  Copyright (C) 2002-2021  PCSX2 Dev Team
 *
 *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
 *  of the GNU Lesser General Public License as published by the Free Software Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  PCSX2 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 PCSX2.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#if !defined(_WIN32) && !defined(__APPLE__)
#include <ctype.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>

#include "common/Pcsx2Types.h"
#include "common/General.h"

// Returns 0 on failure (not supported by the operating system).
u64 GetPhysicalMemory()
{
	u64 pages = 0;

#ifdef _SC_PHYS_PAGES
	pages = sysconf(_SC_PHYS_PAGES);
#endif

	return pages * getpagesize();
}


void InitCPUTicks()
{
}

u64 GetTickFrequency()
{
	return 1000000000;// unix measures in nanoseconds
}

u64 GetCPUTicks()
{
	struct timespec ts;
	clock_gettime(CLOCK_MONOTONIC, &ts);
	return (static_cast<u64>(ts.tv_sec) * 1000000000ULL) + ts.tv_nsec;
}

std::string GetOSVersionString()
{
#if defined(__linux__)
	return "Linux";
#else // freebsd
	return "Other Unix";
#endif
}

void ScreensaverAllow(bool allow)
{
	// no-op
}
#endif