Land Cantrill's DTrace patch

only works on solaris

1 files changed, 44 insertions, 0 deletions

diff --git a/src/node_provider.d b/src/node_provider.d
new file mode 100644
index 00000000000..3d11f39416b
--- /dev/null
+++ b/src/node_provider.d
@@ -0,0 +1,44 @@
+/*
+ * DTrace provider for node.js.
+ */
+
+/*
+ * In order to have the information we need here to create the provider,
+ * we must declare bogus definitions for our depended-upon structures.  And
+ * yes, the fact that we need to do this represents a shortcoming in DTrace,
+ * one that would be resolved by that elusive El Dorado:  dynamic translators.
+ */
+
+typedef struct {
+	int dummy;
+} node_dtrace_connection_t;
+
+typedef struct {
+	int dummy;
+} node_connection_t;
+
+typedef struct {
+	int dummy;
+} node_dtrace_http_request_t;
+
+typedef struct {
+	int dummy;
+} node_http_request_t;
+
+provider node {
+	probe net__server__connection(node_dtrace_connection_t *c) :
+	    (node_connection_t *c);
+	probe net__stream__end(node_dtrace_connection_t *c) :
+	    (node_connection_t *c);
+	probe http__server__request(node_dtrace_http_request_t *h,
+	    node_dtrace_connection_t *c) :
+	    (node_http_request_t *h, node_connection_t *c);
+	probe http__server__response(node_dtrace_connection_t *c) :
+	    (node_connection_t *c);
+};
+
+#pragma D attributes Evolving/Evolving/ISA provider node provider
+#pragma D attributes Private/Private/Unknown provider node module
+#pragma D attributes Private/Private/Unknown provider node function
+#pragma D attributes Private/Private/ISA provider node name
+#pragma D attributes Evolving/Evolving/ISA provider node args