1 | /* |
2 | * Copyright 2008-2018 Aerospike, Inc. |
3 | * |
4 | * Portions may be licensed to Aerospike, Inc. under one or more contributor |
5 | * license agreements. |
6 | * |
7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
8 | * use this file except in compliance with the License. You may obtain a copy of |
9 | * the License at http://www.apache.org/licenses/LICENSE-2.0 |
10 | * |
11 | * Unless required by applicable law or agreed to in writing, software |
12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
14 | * License for the specific language governing permissions and limitations under |
15 | * the License. |
16 | */ |
17 | #include <citrusleaf/cf_clock.h> |
18 | |
19 | #if !defined(_MSC_VER) |
20 | |
21 | bool |
22 | cf_clock_init() |
23 | { |
24 | return true; |
25 | } |
26 | |
27 | #else |
28 | |
29 | double cf_clock_freq = 0.0; |
30 | int64_t cf_clock_start = 0; |
31 | uint64_t cf_wall_clock_start = 0; |
32 | |
33 | static bool |
34 | clock_init() |
35 | { |
36 | LARGE_INTEGER li; |
37 | |
38 | if (!QueryPerformanceFrequency(&li)) { |
39 | return false; |
40 | } |
41 | |
42 | cf_clock_freq = (double)li.QuadPart / (1000.0 * 1000.0 * 1000.0); |
43 | QueryPerformanceCounter(&li); |
44 | cf_clock_start = li.QuadPart; |
45 | return true; |
46 | } |
47 | |
48 | static void |
49 | wall_clock_init() |
50 | { |
51 | SYSTEMTIME s; |
52 | FILETIME f; |
53 | |
54 | s.wYear = 1970; |
55 | s.wMonth = 1; |
56 | s.wDay = 1; |
57 | s.wHour = 0; |
58 | s.wMinute = 0; |
59 | s.wSecond = 0; |
60 | s.wMilliseconds = 0; |
61 | SystemTimeToFileTime(&s, &f); |
62 | |
63 | cf_wall_clock_start = ((uint64_t)f.dwHighDateTime << 32) + (uint64_t)f.dwLowDateTime; |
64 | } |
65 | |
66 | bool |
67 | cf_clock_init() |
68 | { |
69 | wall_clock_init(); |
70 | return clock_init(); |
71 | } |
72 | #endif |
73 | |