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/*
* utrace compatibility defines and inlines
* Copyright (C) 2008 Red Hat Inc.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
#ifndef _UTRACE_COMPATIBILITY_H_
#define _UTRACE_COMPATIBILITY_H_
#include <linux/utrace.h>
#ifdef UTRACE_ACTION_RESUME
/*
* If UTRACE_ACTION_RESUME is defined after including utrace.h, we've
* got the original version of utrace. So that utrace clients can be
* written using the new interface (mostly), provide a (very thin)
* compatibility layer that hides the differences.
*/
#define UTRACE_ORIG_VERSION
#define UTRACE_RESUME UTRACE_ACTION_RESUME
#define UTRACE_DETACH UTRACE_ACTION_DETACH
#define UTRACE_STOP UTRACE_ACTION_QUIESCE
static inline struct utrace_attached_engine *
utrace_attach_task(struct task_struct *target, int flags,
const struct utrace_engine_ops *ops, void *data)
{
return utrace_attach(target, flags, ops, data);
}
static inline int __must_check
utrace_control(struct task_struct *target,
struct utrace_attached_engine *engine,
unsigned long action)
{
if (action == UTRACE_DETACH)
return utrace_detach(target, engine);
return -EINVAL;
}
static inline int __must_check
utrace_set_events(struct task_struct *target,
struct utrace_attached_engine *engine,
unsigned long eventmask)
{
return utrace_set_flags(target, engine, eventmask);
}
#endif
#endif /* _UTRACE_COMPATIBILITY_H_ */
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