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authorJordan <me@jordan.im>2022-02-10 19:10:54 -0700
committerJordan <me@jordan.im>2022-02-10 19:10:54 -0700
commit2f0b35e3c25bc4394f3288e1baa77d250cb510ed (patch)
tree121612506bb8de7fc132a385b282f1d02922d65d /vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go
parent7d1248be0bd4a6412467301924fa99d037028b8d (diff)
downloadkeep-2f0b35e3c25bc4394f3288e1baa77d250cb510ed.tar.gz
keep-2f0b35e3c25bc4394f3288e1baa77d250cb510ed.zip
misc: go mod vendor
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+// 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