| #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 |
| |
| #endif /* _LINUX_PRCTL_H */ |
