a geicko-2 based round robin ranking system designed to test c++ battleship submissions battleship.dunkirk.sh
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1// Copyright (C) 2018 G.J.R. Timmer <gjr.timmer@gmail.com>. 2// 3// Use of this source code is governed by an MIT-style 4// license that can be found in the LICENSE file. 5 6//go:build cgo 7// +build cgo 8 9package sqlite3 10 11// usleep is a function available on *nix based systems. 12// This function is not present in Windows. 13// Windows has a sleep function but this works with seconds 14// and not with microseconds as usleep. 15// 16// This code should improve performance on windows because 17// without the presence of usleep SQLite waits 1 second. 18// 19// Source: https://github.com/php/php-src/blob/PHP-5.0/win32/time.c 20// License: https://github.com/php/php-src/blob/PHP-5.0/LICENSE 21// 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 22 23/* 24#include <windows.h> 25 26void usleep(__int64 usec) 27{ 28 HANDLE timer; 29 LARGE_INTEGER ft; 30 31 // Convert to 100 nanosecond interval, negative value indicates relative time 32 ft.QuadPart = -(10*usec); 33 34 timer = CreateWaitableTimer(NULL, TRUE, NULL); 35 SetWaitableTimer(timer, &ft, 0, NULL, NULL, 0); 36 WaitForSingleObject(timer, INFINITE); 37 CloseHandle(timer); 38} 39*/ 40import "C" 41 42// EOF