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.
Kernel Hackers Manual 2.6. July 2010 UTRACE_ATTACH_PID(9)
Check Out this Related Man Page
rad_detach_pid(3) Library Functions Manual rad_detach_pid(3)NAME
rad_detach_pid - Detach a process from a Resource Affinity Domain by pid (libnuma library)
SYNOPSIS
#include <numa.h>
int rad_detach_pid(
pid_t pid );
PARAMETERS
Specifies a process identifier (pid) to detach from a RAD set.
DESCRIPTION
The rad_detach_pid() function frees a process that has been bound or attached to a RAD through the functions rad_bind_pid() or
rad_attach_pid(), respectively. If the pid argument is NULL, the call is self-directed. That is, the function behaves as if the calling
process's pid were specified. Calling rad_detach_pid() for a process that is not attached or bound is not considered to be an error.
RETURN VALUES
Success. In this case, rad_detach_pid() detaches the pid specified by pid from the RAD set. Failure. In this case, errno is set to indi-
cate the error.
ERRORS
If the rad_detach_pid() function fails, errno is set to one of the following values for the reasons specified. The process specified in
pid does not exist. The real or effective user ID of the caller does not match the real or effective user ID of the process pid, or the
caller does not have appropriate privileges to free processes from RADs.
SEE ALSO
Functions: rad_attach_pid(3), rad_bind_pid(3)rad_detach_pid(3)
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