/usr/include/nodejs/src/node_dtrace.h is in nodejs-dev 0.10.25~dfsg2-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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#ifndef NODE_DTRACE_H_
#define NODE_DTRACE_H_
#include "node.h"
#include "v8.h"
extern "C" {
/*
* The following structures are passed directly to DTrace when probes are fired.
* Translators in node.d translate these structures into the corresponding D
* structures, taking care of dealing with the user process data model (32-bit
* or 64-bit) and structure versions (see node_dtrace_http_server_request_t
* below).
*/
typedef struct {
int32_t fd;
int32_t port;
char *remote;
int32_t buffered;
} node_dtrace_connection_t;
typedef struct {
char *url;
char *method;
} node_dtrace_http_client_request_t;
/*
* The original version of this structure contained only a url and method, just
* like the client request above. To add the new forwardedFor field, the
* structure layout was changed to begin with an integer version. The
* translator knows whether it's looking at an old- or new-version structure
* based on whether the version field's value is a reasonable pointer (i.e.
* address greater than 4K). No doubt this is filthy, but there's not much else
* we can do, and it works reliably.
*
* This version of the structure also contains padding that should be zeroed out
* by the consumer so that future versions of the translator can simply check if
* a field is present by checking it against NULL.
*/
typedef struct {
union {
uint32_t version;
uintptr_t unused; /* for compat. with old 64-bit struct */
} _un;
char *url;
char *method;
char *forwardedFor;
char *_pad[8];
} node_dtrace_http_server_request_t;
}
namespace node {
void InitDTrace(v8::Handle<v8::Object> target);
}
#endif
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