1 // Copyright 2018 The Amber Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "src/sleep.h"
16 
17 #include "src/platform.h"
18 
19 #if AMBER_PLATFORM_WINDOWS
20 #include <windows.h>
21 #elif AMBER_PLATFORM_POSIX
22 #include <unistd.h>
23 #else
24 #error "Unknown platform"
25 #endif
26 
27 namespace amber {
28 
USleep(uint32_t microseconds)29 void USleep(uint32_t microseconds) {
30 #if AMBER_PLATFORM_WINDOWS
31   // The Windows call uses milliseconds.
32   Sleep(static_cast<DWORD>((microseconds + 999) / 1000));
33 #elif AMBER_PLATFORM_POSIX
34   usleep(microseconds);
35 #else
36 #error "Implement amber::USleep"
37 #endif
38 }
39 
40 }  // namespace amber
41