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ptrace: s/tracehook_tracer_task()/ptrace_parent()/

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tracehook.h is on the way out.  Rename tracehook_tracer_task() to
ptrace_parent() and move it from tracehook.h to ptrace.h.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: John Johansen <john.johansen@canonical.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
This commit is contained in:
Tejun Heo 2011-06-17 16:50:40 +02:00 • committed by Oleg Nesterov
parent 4b9d33e6d8
commit 06d984737b
6 changed files with 23 additions and 23 deletions
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18
include/linux/tracehook.h
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@ -129,24 +129,6 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
ptrace_report_syscall(regs);
}
/**
* tracehook_tracer_task - return the task that is tracing the given task
* @tsk: task to consider
*
* Returns NULL if no one is tracing @task, or the &struct task_struct
* pointer to its tracer.
*
* Must called under rcu_read_lock(). The pointer returned might be kept
* live only by RCU. During exec, this may be called with task_lock()
* held on @task, still held from when tracehook_unsafe_exec() was called.
*/
static inline struct task_struct *tracehook_tracer_task(struct task_struct *tsk)
{
if (tsk->ptrace & PT_PTRACED)
return rcu_dereference(tsk->parent);
return NULL;
}
/**
* tracehook_signal_handler - signal handler setup is complete
* @sig: number of signal being delivered