summaryrefslogtreecommitdiff
path: root/extra/yassl/src/timer.cpp
blob: 0c3f044c75f108c48c5fb68a7a849ab3e08ec28b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/*
   Copyright (C) 2000-2007 MySQL AB
   Use is subject to license terms

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program 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 this program; see the file COPYING. If not, write to the
   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
   MA  02110-1301  USA.
*/

/* timer.cpp implements a high res and low res timer
 *
*/

#include "runtime.hpp"
#include "timer.hpp"

#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#else
#include <sys/time.h>
#endif

namespace yaSSL {

#ifdef _WIN32

    timer_d timer()
    {
        static bool          init(false);
        static LARGE_INTEGER freq;
    
        if (!init) {
            QueryPerformanceFrequency(&freq);
            init = true;
        }

        LARGE_INTEGER count;
        QueryPerformanceCounter(&count);

        return static_cast<double>(count.QuadPart) / freq.QuadPart;
    }


    uint lowResTimer()
    {
        return static_cast<uint>(timer());
    }

#else // _WIN32

    timer_d timer()
    {
        struct timeval tv;
        gettimeofday(&tv, 0);

        return static_cast<double>(tv.tv_sec) 
             + static_cast<double>(tv.tv_usec) / 1000000;
    }


    uint lowResTimer()
    {
        struct timeval tv;
        gettimeofday(&tv, 0);

        return tv.tv_sec; 
    }


#endif // _WIN32
} // namespace yaSSL