1 // Copyright (C) 2018 G.J.R. Timmer <gjr.timmer@gmail.com>.
3 // Use of this source code is governed by an MIT-style
4 // license that can be found in the LICENSE file.
10 // usleep is a function available on *nix based systems.
11 // This function is not present in Windows.
12 // Windows has a sleep function but this works with seconds
13 // and not with microseconds as usleep.
15 // This code should improve performance on windows because
16 // without the presence of usleep SQLite waits 1 second.
18 // Source: https://stackoverflow.com/questions/5801813/c-usleep-is-obsolete-workarounds-for-windows-mingw?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
23 void usleep(__int64 usec)
28 // Convert to 100 nanosecond interval, negative value indicates relative time
29 ft.QuadPart = -(10*usec);
31 timer = CreateWaitableTimer(NULL, TRUE, NULL);
32 SetWaitableTimer(timer, &ft, 0, NULL, NULL, 0);
33 WaitForSingleObject(timer, INFINITE);