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UTRACE_ATTACH_PID(9) utrace core API UTRACE_ATTACH_PID(9)

NAME

utrace_attach_pid - attach new engine, or look up an attached engine

SYNOPSIS

struct utrace_engine * utrace_attach_pid(struct pid * pid, int flags, const struct utrace_engine_ops * ops, void * data);

ARGUMENTS

pid

struct pid pointer representing thread to attach to

flags

flag bits combined with OR, see utrace_attach_task

ops

callback table for new engine

data

engine private data pointer

DESCRIPTION

This is the same as utrace_attach_task, 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.

May 2024 Kernel Hackers Manual 2.6.