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prctl.go
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prctl.go
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// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package linux
// PR_* flags, from <linux/pcrtl.h> for prctl(2).
const (
// PR_SET_PDEATHSIG sets the process' death signal.
PR_SET_PDEATHSIG = 1
// PR_GET_PDEATHSIG gets the process' death signal.
PR_GET_PDEATHSIG = 2
// PR_GET_DUMPABLE gets the process' dumpable flag.
PR_GET_DUMPABLE = 3
// PR_SET_DUMPABLE sets the process' dumpable flag.
PR_SET_DUMPABLE = 4
// PR_GET_KEEPCAPS gets the value of the keep capabilities flag.
PR_GET_KEEPCAPS = 7
// PR_SET_KEEPCAPS sets the value of the keep capabilities flag.
PR_SET_KEEPCAPS = 8
// PR_GET_TIMING gets the process' timing method.
PR_GET_TIMING = 13
// PR_SET_TIMING sets the process' timing method.
PR_SET_TIMING = 14
// PR_SET_NAME sets the process' name.
PR_SET_NAME = 15
// PR_GET_NAME gets the process' name.
PR_GET_NAME = 16
// PR_GET_SECCOMP gets a process' seccomp mode.
PR_GET_SECCOMP = 21
// PR_SET_SECCOMP sets a process' seccomp mode.
PR_SET_SECCOMP = 22
// PR_CAPBSET_READ gets the capability bounding set.
PR_CAPBSET_READ = 23
// PR_CAPBSET_DROP sets the capability bounding set.
PR_CAPBSET_DROP = 24
// PR_GET_TSC gets the value of the flag determining whether the
// timestamp counter can be read.
PR_GET_TSC = 25
// PR_SET_TSC sets the value of the flag determining whether the
// timestamp counter can be read.
PR_SET_TSC = 26
// PR_SET_TIMERSLACK sets the process' time slack.
PR_SET_TIMERSLACK = 29
// PR_GET_TIMERSLACK gets the process' time slack.
PR_GET_TIMERSLACK = 30
// PR_TASK_PERF_EVENTS_DISABLE disables all performance counters
// attached to the calling process.
PR_TASK_PERF_EVENTS_DISABLE = 31
// PR_TASK_PERF_EVENTS_ENABLE enables all performance counters attached
// to the calling process.
PR_TASK_PERF_EVENTS_ENABLE = 32
// PR_MCE_KILL sets the machine check memory corruption kill policy for
// the calling thread.
PR_MCE_KILL = 33
// PR_MCE_KILL_GET gets the machine check memory corruption kill policy
// for the calling thread.
PR_MCE_KILL_GET = 34
// PR_SET_MM modifies certain kernel memory map descriptor fields of
// the calling process. See prctl(2) for more information.
PR_SET_MM = 35
PR_SET_MM_START_CODE = 1
PR_SET_MM_END_CODE = 2
PR_SET_MM_START_DATA = 3
PR_SET_MM_END_DATA = 4
PR_SET_MM_START_STACK = 5
PR_SET_MM_START_BRK = 6
PR_SET_MM_BRK = 7
PR_SET_MM_ARG_START = 8
PR_SET_MM_ARG_END = 9
PR_SET_MM_ENV_START = 10
PR_SET_MM_ENV_END = 11
PR_SET_MM_AUXV = 12
// PR_SET_MM_EXE_FILE supersedes the /proc/pid/exe symbolic link with a
// new one pointing to a new executable file identified by the file
// descriptor provided in arg3 argument. See prctl(2) for more
// information.
PR_SET_MM_EXE_FILE = 13
PR_SET_MM_MAP = 14
PR_SET_MM_MAP_SIZE = 15
// PR_SET_CHILD_SUBREAPER sets the "child subreaper" attribute of the
// calling process.
PR_SET_CHILD_SUBREAPER = 36
// PR_GET_CHILD_SUBREAPER gets the "child subreaper" attribute of the
// calling process.
PR_GET_CHILD_SUBREAPER = 37
// PR_SET_NO_NEW_PRIVS sets the calling thread's no_new_privs bit.
PR_SET_NO_NEW_PRIVS = 38
// PR_GET_NO_NEW_PRIVS gets the calling thread's no_new_privs bit.
PR_GET_NO_NEW_PRIVS = 39
// PR_GET_TID_ADDRESS retrieves the clear_child_tid address.
PR_GET_TID_ADDRESS = 40
// PR_SET_THP_DISABLE sets the state of the "THP disable" flag for the
// calling thread.
PR_SET_THP_DISABLE = 41
// PR_GET_THP_DISABLE gets the state of the "THP disable" flag for the
// calling thread.
PR_GET_THP_DISABLE = 42
// PR_MPX_ENABLE_MANAGEMENT enables kernel management of Memory
// Protection eXtensions (MPX) bounds tables.
PR_MPX_ENABLE_MANAGEMENT = 43
// PR_MPX_DISABLE_MANAGEMENT disables kernel management of Memory
// Protection eXtensions (MPX) bounds tables.
PR_MPX_DISABLE_MANAGEMENT = 44
// PR_SET_PTRACER allows a specific process (or any, if PR_SET_PTRACER_ANY is
// specified) to ptrace the current task.
PR_SET_PTRACER = 0x59616d61
PR_SET_PTRACER_ANY = -1
)
// From <asm/prctl.h>
// Flags are used in syscall arch_prctl(2).
const (
ARCH_SET_GS = 0x1001
ARCH_SET_FS = 0x1002
ARCH_GET_FS = 0x1003
ARCH_GET_GS = 0x1004
ARCH_SET_CPUID = 0x1012
)
// Flags for prctl(PR_SET_DUMPABLE), defined in include/linux/sched/coredump.h.
const (
SUID_DUMP_DISABLE = 0
SUID_DUMP_USER = 1
SUID_DUMP_ROOT = 2
)