fix: stop importing nanotime from runtime via linkname

jackc · Sep 9, 2024 · 56ab1e8 · 56ab1e8
1 parent ee87cc3
commit 56ab1e8
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Showing 3 changed files with 16 additions and 25 deletions.
diff --git a/nanotime.go b/nanotime.go
@@ -0,0 +1,16 @@
+package puddle
+
+import "time"
+
+// nanotime returns the time in nanoseconds since process start.
+//
+// This approach, described at
+// https://github.com/golang/go/issues/61765#issuecomment-1672090302,
+// is fast, monotonic, and portable, and avoids the previous
+// dependence on runtime.nanotime using the (unsafe) linkname hack.
+// In particular, time.Since does less work than time.Now.
+func nanotime() int64 {
+	return time.Since(globalStart).Nanoseconds()
+}
+
+var globalStart = time.Now()
diff --git a/nanotime_time.go b/nanotime_time.go
diff --git a/nanotime_unsafe.go b/nanotime_unsafe.go