system.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2016 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 
36 namespace clan
37 {
40 
42  class System
43  {
44  public:
46  static uint64_t get_time();
47 
49  static uint64_t get_microseconds();
50 
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 }
Definition: system.h:51
Definition: clanapp.h:35
Definition: system.h:51
CPU_ExtensionPPC
Definition: system.h:52
static void sleep(int millis)
Sleep for 'millis' milliseconds.
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...
Definition: system.h:51
static void * aligned_alloc(size_t size, size_t alignment=16)
Allocates aligned memory.
Definition: system.h:51
Definition: system.h:51
CPU_ExtensionX86
Definition: system.h:51
static void aligned_free(void *ptr)
Frees aligned memory.
Definition: system.h:51
Definition: system.h:51
General system helper functions.
Definition: system.h:42
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.
static uint64_t get_microseconds()
Get the current time microseconds.
Definition: system.h:51
Definition: system.h:51
Definition: system.h:52
Definition: system.h:51
Definition: system.h:51
Definition: system.h:51
static std::string get_exe_path()
Returns the full dirname of the executable that started this.
Definition: system.h:51
static uint64_t get_time()
Get the current time (since system boot), in milliseconds.
static void pause(int millis)
Pause for 'millis' milliseconds.
static int get_num_cores()
Return the number of CPU cores.
Definition: system.h:51
Definition: system.h:51
Definition: system.h:51
static bool detect_cpu_extension(CPU_ExtensionX86 ext)