| #ifndef _LINUX_PRCTL_H |
| #define _LINUX_PRCTL_H |
| |
| /* Values to pass as first argument to prctl() */ |
| |
| #define PR_SET_PDEATHSIG 1 /* Second arg is a signal */ |
| #define PR_GET_PDEATHSIG 2 /* Second arg is a ptr to return the signal */ |
| |
| /* Get/set current->mm->dumpable */ |
| #define PR_GET_DUMPABLE 3 |
| #define PR_SET_DUMPABLE 4 |
| |
| /* Get/set unaligned access control bits (if meaningful) */ |
| #define PR_GET_UNALIGN 5 |
| #define PR_SET_UNALIGN 6 |
| # define PR_UNALIGN_NOPRINT 1 /* silently fix up unaligned user accesses */ |
| # define PR_UNALIGN_SIGBUS 2 /* generate SIGBUS on unaligned user access */ |
| |
| /* Get/set whether or not to drop capabilities on setuid() away from |
| * uid 0 (as per security/commoncap.c) */ |
| #define PR_GET_KEEPCAPS 7 |
| #define PR_SET_KEEPCAPS 8 |
| |
| /* Get/set floating-point emulation control bits (if meaningful) */ |
| #define PR_GET_FPEMU 9 |
| #define PR_SET_FPEMU 10 |
| # define PR_FPEMU_NOPRINT 1 /* silently emulate fp operations accesses */ |
| # define PR_FPEMU_SIGFPE 2 /* don't emulate fp operations, send SIGFPE instead */ |
| |
| /* Get/set floating-point exception mode (if meaningful) */ |
| #define PR_GET_FPEXC 11 |
| #define PR_SET_FPEXC 12 |
| # define PR_FP_EXC_SW_ENABLE 0x80 /* Use FPEXC for FP exception enables */ |
| # define PR_FP_EXC_DIV 0x010000 /* floating point divide by zero */ |
| # define PR_FP_EXC_OVF 0x020000 /* floating point overflow */ |
| # define PR_FP_EXC_UND 0x040000 /* floating point underflow */ |
| # define PR_FP_EXC_RES 0x080000 /* floating point inexact result */ |
| # define PR_FP_EXC_INV 0x100000 /* floating point invalid operation */ |
| # define PR_FP_EXC_DISABLED 0 /* FP exceptions disabled */ |
| # define PR_FP_EXC_NONRECOV 1 /* async non-recoverable exc. mode */ |
| # define PR_FP_EXC_ASYNC 2 /* async recoverable exception mode */ |
| # define PR_FP_EXC_PRECISE 3 /* precise exception mode */ |
| |
| /* Get/set whether we use statistical process timing or accurate timestamp |
| * based process timing */ |
| #define PR_GET_TIMING 13 |
| #define PR_SET_TIMING 14 |
| # define PR_TIMING_STATISTICAL 0 /* Normal, traditional, |
| statistical process timing */ |
| # define PR_TIMING_TIMESTAMP 1 /* Accurate timestamp based |
| process timing */ |
| |
| #define PR_SET_NAME 15 /* Set process name */ |
| #define PR_GET_NAME 16 /* Get process name */ |
| |
| /* Get/set process endian */ |
| #define PR_GET_ENDIAN 19 |
| #define PR_SET_ENDIAN 20 |
| # define PR_ENDIAN_BIG 0 |
| # define PR_ENDIAN_LITTLE 1 /* True little endian mode */ |
| # define PR_ENDIAN_PPC_LITTLE 2 /* "PowerPC" pseudo little endian */ |
| |
| /* Get/set process seccomp mode */ |
| #define PR_GET_SECCOMP 21 |
| #define PR_SET_SECCOMP 22 |
| |
| /* Get/set the capability bounding set (as per security/commoncap.c) */ |
| #define PR_CAPBSET_READ 23 |
| #define PR_CAPBSET_DROP 24 |
| |
| /* Get/set the process' ability to use the timestamp counter instruction */ |
| #define PR_GET_TSC 25 |
| #define PR_SET_TSC 26 |
| # define PR_TSC_ENABLE 1 /* allow the use of the timestamp counter */ |
| # define PR_TSC_SIGSEGV 2 /* throw a SIGSEGV instead of reading the TSC */ |
| |
| /* Get/set securebits (as per security/commoncap.c) */ |
| #define PR_GET_SECUREBITS 27 |
| #define PR_SET_SECUREBITS 28 |
| |
| /* |
| * Get/set the timerslack as used by poll/select/nanosleep |
| * A value of 0 means "use default" |
| */ |
| #define PR_SET_TIMERSLACK 29 |
| #define PR_GET_TIMERSLACK 30 |
| |
| #define PR_TASK_PERF_EVENTS_DISABLE 31 |
| #define PR_TASK_PERF_EVENTS_ENABLE 32 |
| |
| /* |
| * Set early/late kill mode for hwpoison memory corruption. |
| * This influences when the process gets killed on a memory corruption. |
| */ |
| #define PR_MCE_KILL 33 |
| # define PR_MCE_KILL_CLEAR 0 |
| # define PR_MCE_KILL_SET 1 |
| |
| # define PR_MCE_KILL_LATE 0 |
| # define PR_MCE_KILL_EARLY 1 |
| # define PR_MCE_KILL_DEFAULT 2 |
| |
| #define PR_MCE_KILL_GET 34 |
| |
| /* |
| * Tune up process memory map specifics. |
| */ |
| #define PR_SET_MM 35 |
| # define PR_SET_MM_START_CODE 1 |
| # define PR_SET_MM_END_CODE 2 |
| # define PR_SET_MM_START_DATA 3 |
| # define PR_SET_MM_END_DATA 4 |
| # define PR_SET_MM_START_STACK 5 |
| # define PR_SET_MM_START_BRK 6 |
| # define PR_SET_MM_BRK 7 |
| # define PR_SET_MM_ARG_START 8 |
| # define PR_SET_MM_ARG_END 9 |
| # define PR_SET_MM_ENV_START 10 |
| # define PR_SET_MM_ENV_END 11 |
| # define PR_SET_MM_AUXV 12 |
| # define PR_SET_MM_EXE_FILE 13 |
| |
| /* |
| * Set specific pid that is allowed to ptrace the current task. |
| * A value of 0 mean "no process". |
| */ |
| #define PR_SET_PTRACER 0x59616d61 |
| # define PR_SET_PTRACER_ANY ((unsigned long)-1) |
| |
| #define PR_SET_CHILD_SUBREAPER 36 |
| #define PR_GET_CHILD_SUBREAPER 37 |
| |
| /* |
| * If no_new_privs is set, then operations that grant new privileges (i.e. |
| * execve) will either fail or not grant them. This affects suid/sgid, |
| * file capabilities, and LSMs. |
| * |
| * Operations that merely manipulate or drop existing privileges (setresuid, |
| * capset, etc.) will still work. Drop those privileges if you want them gone. |
| * |
| * Changing LSM security domain is considered a new privilege. So, for example, |
| * asking selinux for a specific new context (e.g. with runcon) will result |
| * in execve returning -EPERM. |
| * |
| * See Documentation/prctl/no_new_privs.txt for more details. |
| */ |
| #define PR_SET_NO_NEW_PRIVS 38 |
| #define PR_GET_NO_NEW_PRIVS 39 |
| |
| #define PR_GET_TID_ADDRESS 40 |
| |
| #define PR_SET_THP_DISABLE 41 |
| #define PR_GET_THP_DISABLE 42 |
| |
| #endif /* _LINUX_PRCTL_H */ |
