forked from golang/hotime
42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
// Copyright (C) 2018 G.J.R. Timmer <gjr.timmer@gmail.com>.
|
|
//
|
|
// Use of this source code is governed by an MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build cgo
|
|
|
|
package sqlite3
|
|
|
|
// usleep is a function available on *nix based systems.
|
|
// This function is not present in Windows.
|
|
// Windows has a sleep function but this works with seconds
|
|
// and not with microseconds as usleep.
|
|
//
|
|
// This code should improve performance on windows because
|
|
// without the presence of usleep SQLite waits 1 second.
|
|
//
|
|
// Source: https://github.com/php/php-src/blob/PHP-5.0/win32/time.c
|
|
// License: https://github.com/php/php-src/blob/PHP-5.0/LICENSE
|
|
// Details: 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
|
|
|
|
/*
|
|
#include <windows.h>
|
|
|
|
void usleep(__int64 usec)
|
|
{
|
|
HANDLE timer;
|
|
LARGE_INTEGER ft;
|
|
|
|
// Convert to 100 nanosecond interval, negative value indicates relative time
|
|
ft.QuadPart = -(10*usec);
|
|
|
|
timer = CreateWaitableTimer(NULL, TRUE, NULL);
|
|
SetWaitableTimer(timer, &ft, 0, NULL, NULL, 0);
|
|
WaitForSingleObject(timer, INFINITE);
|
|
CloseHandle(timer);
|
|
}
|
|
*/
|
|
import "C"
|
|
|
|
// EOF
|