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-rw-r--r--vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go39
1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go b/vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go
new file mode 100644
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--- /dev/null
+++ b/vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go
@@ -0,0 +1,39 @@
+// 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://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