1UTRACE_ATTACH_PID(9)            utrace core API           UTRACE_ATTACH_PID(9)
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NAME

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

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

14       pid
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16           struct pid pointer representing thread to attach to
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18       flags
19           flag bits combined with OR, see utrace_attach_task
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21       ops
22           callback table for new engine
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24       data
25           engine private data pointer
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DESCRIPTION

28       This is the same as utrace_attach_task, but takes a struct pid pointer
29       rather than a struct task_struct pointer. The caller must hold a ref on
30       pid, but does not need to worry about the task staying valid. If it´s
31       been reaped so that pid points nowhere, then this call returns -ESRCH.
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35Kernel Hackers Manual 2.6.         June 2019              UTRACE_ATTACH_PID(9)
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