system.h

/*
**  UICore
**  Copyright (c) 1997-2015 The UICore Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries UICore may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    Animehunter
*/

#pragma once

#include <cstdint>
#include <vector>
#include <mutex>

namespace uicore
{
    class System
    {
    public:
        static int64_t time();

        static int64_t microseconds();

        enum CPU_ExtensionX86 { mmx, mmx_ex, _3d_now, _3d_now_ex, sse, sse2, sse3, ssse3, sse4_a, sse4_1, sse4_2, xop, avx, aes, fma3, fma4 };
        enum CPU_ExtensionPPC { altivec };

        static bool detect_cpu_extension(CPU_ExtensionX86 ext);
        static bool detect_cpu_extension(CPU_ExtensionPPC ext);

        static int num_cores();

        static void *aligned_alloc(size_t size, size_t alignment = 16);

        static void aligned_free(void *ptr);

        static int capture_stack_trace(int frames_to_skip, int max_frames, void **out_frames, unsigned int *out_hash = nullptr);


        static std::vector<std::string> stack_frames_text(void **frames, int num_frames);

        static void sleep(int millis);

        static void pause(int millis);


        static std::string exe_path();
    };
}