Module prctl

Interfaces to prctl() commands that don’t deal with capabilities.

Structs

MDWEFlags

Flags controlling memory-deny-write-execute behavior.

Secbits

Represents the thread’s securebits flags.

SpecFlags

Flags indicating the state of the “speculation misfeature”. See get_speculation_ctrl() and set_speculation_ctrl().

Enums

MceKill

The possible memory corruption kill policies.

Ptracer

A value that can be passed to set_ptracer().

SpecVariant

The different types of speculation misfeatures that can be passed to get_speculation_ctrl() and set_speculation_ctrl().

Functions

disable_perf_events

Disable all performance counters attached to the current process.

enable_perf_events

Enable all performance counters attached to the current process.

get_dumpable

Get the “dumpable” flag for the current process.

get_io_flusher

Get the “I/O flusher” flag for the current process.

get_keepcaps

Get the “keep capabilities” flag of the current thread.

get_mce_kill

Get the current thread’s memory corruption kill policy.

get_mdwe

Get the memory-deny-write execute flags.

get_namestd

Get the name of the current thread.

get_no_new_privs

Get the no-new-privileges flag of the current thread.

get_pdeathsig

Get the parent-death signal of the current process.

get_seccomp

Get the secure computing mode of the current thread.

get_securebits

Get the “securebits” flags of the current thread.

get_speculation_ctrl

Get the current state of the “speculation misfeature”.

get_subreaper

Get the “child subreaper” flag for the current process.

get_thp_disable

Get the status of the “THP” disable flag.

get_tid_address

Get this thread’s clear_child_tid address.

get_timerslack

Get the current timer slack value.

set_dumpable

Set the “dumpable” flag for the current process.

set_io_flusher

Set the “I/O flusher” flag for the current process. (Linux 5.6+)

set_keepcaps

Set the “keep capabilities” flag of the current thread.

set_mce_kill

Set the current thread’s memory corruption kill policy.

set_mdwe

Set the memory-deny-write execute flags.

set_namestd

Set the name of the current thread.

set_no_new_privs

Enable the no-new-privileges flag on the current thread.

set_pdeathsig

Set the parent-death signal of the current process.

set_ptracer

Set the calling process’s “ptracer process ID”.

set_seccomp_strict

Enable strict secure computing mode.

set_securebits

Set the “securebits” flags of the current thread.

set_speculation_ctrl

Set the per-thread state of the “speculation misfeature”.

set_subreaper

Set the “child subreaper” flag for the current process.

set_thp_disable

Set the status of the “THP” disable flag.

set_timerslack

Set the current timer slack value.