lib: move DTRACE_* probes out of global scope

The DTRACE_* probes have been global for no really good reason.
Move those into an internalBinding.

PR-URL: https://github.com/nodejs/node/pull/26541
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Matheus Marchini <mat@mmarchini.me>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

1 files changed, 21 insertions, 0 deletions

diff --git a/lib/internal/dtrace.js b/lib/internal/dtrace.js
new file mode 100644
index 0000000000..8eb1df7807
--- /dev/null
+++ b/lib/internal/dtrace.js
@@ -0,0 +1,21 @@
+'use strict';
+
+const config = internalBinding('config');
+
+const {
+  DTRACE_HTTP_CLIENT_REQUEST = () => {},
+  DTRACE_HTTP_CLIENT_RESPONSE = () => {},
+  DTRACE_HTTP_SERVER_REQUEST = () => {},
+  DTRACE_HTTP_SERVER_RESPONSE = () => {},
+  DTRACE_NET_SERVER_CONNECTION = () => {},
+  DTRACE_NET_STREAM_END = () => {}
+} = (config.hasDtrace ? internalBinding('dtrace') : {});
+
+module.exports = {
+  DTRACE_HTTP_CLIENT_REQUEST,
+  DTRACE_HTTP_CLIENT_RESPONSE,
+  DTRACE_HTTP_SERVER_REQUEST,
+  DTRACE_HTTP_SERVER_RESPONSE,
+  DTRACE_NET_SERVER_CONNECTION,
+  DTRACE_NET_STREAM_END
+};