summaryrefslogtreecommitdiffstats
path: root/vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go
diff options
context:
space:
mode:
authorChristopher Speller <crspeller@gmail.com>2018-06-21 13:10:40 -0700
committerHarrison Healey <harrisonmhealey@gmail.com>2018-06-21 16:10:40 -0400
commit8526739066ccb00ccd24b74650a7d7b284442985 (patch)
tree282512ae2ad95c98a9ca82de304a410b6b56685c /vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go
parenta59ccaa8b3844895dde3980e6224fef46ff4a1c8 (diff)
downloadchat-8526739066ccb00ccd24b74650a7d7b284442985.tar.gz
chat-8526739066ccb00ccd24b74650a7d7b284442985.tar.bz2
chat-8526739066ccb00ccd24b74650a7d7b284442985.zip
MM-10934 Update server dependencies. (#8981)
* Changing throttled import path. * Upgrading dependencies.
Diffstat (limited to 'vendor/github.com/mattn/go-sqlite3/sqlite3_usleep_windows.go')
-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
index 000000000..1971a480e
--- /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