system.h Source File - ClanLib SDK
Description: system.h Source File

system.h
1/*
2** ClanLib SDK
3** Copyright (c) 1997-2020 The ClanLib Team
4**
5** This software is provided 'as-is', without any express or implied
6** warranty. In no event will the authors be held liable for any damages
7** arising from the use of this software.
8**
9** Permission is granted to anyone to use this software for any purpose,
10** including commercial applications, and to alter it and redistribute it
11** freely, subject to the following restrictions:
12**
13** 1. The origin of this software must not be misrepresented; you must not
14** claim that you wrote the original software. If you use this software
15** in a product, an acknowledgment in the product documentation would be
16** appreciated but is not required.
17** 2. Altered source versions must be plainly marked as such, and must not be
18** misrepresented as being the original software.
19** 3. This notice may not be removed or altered from any source distribution.
20**
21** Note: Some of the libraries ClanLib may link to may have additional
22** requirements or restrictions.
23**
24** File Author(s):
25**
26** Magnus Norddahl
27** Animehunter
28*/
29
30#pragma once
31
32#include "../System/cl_platform.h"
33#include <vector>
34#include <mutex>
35
36namespace clan
37{
40
42 class System
43 {
44 public:
46 static uint64_t get_time();
47
49 static uint64_t get_microseconds();
50
51 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 };
52 enum CPU_ExtensionPPC { altivec };
53
54 static bool detect_cpu_extension(CPU_ExtensionX86 ext);
55 static bool detect_cpu_extension(CPU_ExtensionPPC ext);
56
58 static int get_num_cores();
59
61 static void *aligned_alloc(size_t size, size_t alignment = 16);
62
64 static void aligned_free(void *ptr);
65
67 static int capture_stack_trace(int frames_to_skip, int max_frames, void **out_frames, unsigned int *out_hash = nullptr);
68
70
71 static std::vector<std::string> get_stack_frames_text(void **frames, int num_frames);
72
77 static void sleep(int millis);
78
84 static void pause(int millis);
85
88
94 static std::string get_exe_path();
95 };
96
98}
clan::System
General system helper functions.
Definition system.h:43
clan::System::detect_cpu_extension
static bool detect_cpu_extension(CPU_ExtensionPPC ext)
clan::System::capture_stack_trace
static int capture_stack_trace(int frames_to_skip, int max_frames, void **out_frames, unsigned int *out_hash=nullptr)
Captures a stack back trace by walking up the stack and recording the information for each frame.
clan::System::get_time
static uint64_t get_time()
Get the current time (since system boot), in milliseconds.
clan::System::aligned_free
static void aligned_free(void *ptr)
Frees aligned memory.
clan::System::CPU_ExtensionX86
CPU_ExtensionX86
Definition system.h:51
clan::System::fma3
@ fma3
Definition system.h:51
clan::System::mmx
@ mmx
Definition system.h:51
clan::System::fma4
@ fma4
Definition system.h:51
clan::System::_3d_now_ex
@ _3d_now_ex
Definition system.h:51
clan::System::sse4_a
@ sse4_a
Definition system.h:51
clan::System::ssse3
@ ssse3
Definition system.h:51
clan::System::_3d_now
@ _3d_now
Definition system.h:51
clan::System::sse3
@ sse3
Definition system.h:51
clan::System::aes
@ aes
Definition system.h:51
clan::System::avx
@ avx
Definition system.h:51
clan::System::xop
@ xop
Definition system.h:51
clan::System::sse
@ sse
Definition system.h:51
clan::System::mmx_ex
@ mmx_ex
Definition system.h:51
clan::System::sse4_1
@ sse4_1
Definition system.h:51
clan::System::sse4_2
@ sse4_2
Definition system.h:51
clan::System::sse2
@ sse2
Definition system.h:51
clan::System::get_num_cores
static int get_num_cores()
Return the number of CPU cores.
clan::System::pause
static void pause(int millis)
Pause for 'millis' milliseconds.
clan::System::aligned_alloc
static void * aligned_alloc(size_t size, size_t alignment=16)
Allocates aligned memory.
clan::System::get_stack_frames_text
static std::vector< std::string > get_stack_frames_text(void **frames, int num_frames)
Returns the function names and lines for the specified stack frame addresses.
clan::System::CPU_ExtensionPPC
CPU_ExtensionPPC
Definition system.h:52
clan::System::altivec
@ altivec
Definition system.h:52
clan::System::sleep
static void sleep(int millis)
Sleep for 'millis' milliseconds.
clan::System::get_microseconds
static uint64_t get_microseconds()
Get the current time microseconds.
clan::System::detect_cpu_extension
static bool detect_cpu_extension(CPU_ExtensionX86 ext)
clan::System::get_exe_path
static std::string get_exe_path()
Returns the full dirname of the executable that started this.
clan
Definition clanapp.h:36