utrace_barrier_pid man page on Scientific

utrace_barrier_pid man page on Scientific

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UTRACE_BARRIER_PID(9)		utrace core API		 UTRACE_BARRIER_PID(9)

NAME
       utrace_barrier_pid - synchronize with simultaneous tracing callbacks

SYNOPSIS
       __must_check int utrace_barrier_pid(struct pid * pid,
					   struct utrace_engine * engine);

ARGUMENTS
       pid
	   thread to affect

       engine
	   engine to affect (can be detached)

DESCRIPTION
       This is the same as utrace_barrier, but takes a struct pid pointer
       rather than a struct task_struct pointer. The caller must hold a ref on
       pid, but does not need to worry about the task staying valid. If it´s
       been reaped so that pid points nowhere, then this call returns -ESRCH.


Kernel Hackers Manual 2.6.	 November 2013		 UTRACE_BARRIER_PID(9)

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