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TOMOYO Linux Cross Reference
Linux/include/linux/prctl.h

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  1 #ifndef _LINUX_PRCTL_H
  2 #define _LINUX_PRCTL_H
  3 
  4 /* Values to pass as first argument to prctl() */
  5 
  6 #define PR_SET_PDEATHSIG  1  /* Second arg is a signal */
  7 #define PR_GET_PDEATHSIG  2  /* Second arg is a ptr to return the signal */
  8 
  9 /* Get/set current->mm->dumpable */
 10 #define PR_GET_DUMPABLE   3
 11 #define PR_SET_DUMPABLE   4
 12 
 13 /* Get/set unaligned access control bits (if meaningful) */
 14 #define PR_GET_UNALIGN    5
 15 #define PR_SET_UNALIGN    6
 16 # define PR_UNALIGN_NOPRINT     1       /* silently fix up unaligned user accesses */
 17 # define PR_UNALIGN_SIGBUS      2       /* generate SIGBUS on unaligned user access */
 18 
 19 /* Get/set whether or not to drop capabilities on setuid() away from
 20  * uid 0 (as per security/commoncap.c) */
 21 #define PR_GET_KEEPCAPS   7
 22 #define PR_SET_KEEPCAPS   8
 23 
 24 /* Get/set floating-point emulation control bits (if meaningful) */
 25 #define PR_GET_FPEMU  9
 26 #define PR_SET_FPEMU 10
 27 # define PR_FPEMU_NOPRINT       1       /* silently emulate fp operations accesses */
 28 # define PR_FPEMU_SIGFPE        2       /* don't emulate fp operations, send SIGFPE instead */
 29 
 30 /* Get/set floating-point exception mode (if meaningful) */
 31 #define PR_GET_FPEXC    11
 32 #define PR_SET_FPEXC    12
 33 # define PR_FP_EXC_SW_ENABLE    0x80    /* Use FPEXC for FP exception enables */
 34 # define PR_FP_EXC_DIV          0x010000        /* floating point divide by zero */
 35 # define PR_FP_EXC_OVF          0x020000        /* floating point overflow */
 36 # define PR_FP_EXC_UND          0x040000        /* floating point underflow */
 37 # define PR_FP_EXC_RES          0x080000        /* floating point inexact result */
 38 # define PR_FP_EXC_INV          0x100000        /* floating point invalid operation */
 39 # define PR_FP_EXC_DISABLED     0       /* FP exceptions disabled */
 40 # define PR_FP_EXC_NONRECOV     1       /* async non-recoverable exc. mode */
 41 # define PR_FP_EXC_ASYNC        2       /* async recoverable exception mode */
 42 # define PR_FP_EXC_PRECISE      3       /* precise exception mode */
 43 
 44 /* Get/set whether we use statistical process timing or accurate timestamp
 45  * based process timing */
 46 #define PR_GET_TIMING   13
 47 #define PR_SET_TIMING   14
 48 # define PR_TIMING_STATISTICAL  0       /* Normal, traditional,
 49                                                    statistical process timing */
 50 # define PR_TIMING_TIMESTAMP    1       /* Accurate timestamp based
 51                                                    process timing */
 52 
 53 #define PR_SET_NAME    15               /* Set process name */
 54 #define PR_GET_NAME    16               /* Get process name */
 55 
 56 /* Get/set process endian */
 57 #define PR_GET_ENDIAN   19
 58 #define PR_SET_ENDIAN   20
 59 # define PR_ENDIAN_BIG          0
 60 # define PR_ENDIAN_LITTLE       1       /* True little endian mode */
 61 # define PR_ENDIAN_PPC_LITTLE   2       /* "PowerPC" pseudo little endian */
 62 
 63 /* Get/set process seccomp mode */
 64 #define PR_GET_SECCOMP  21
 65 #define PR_SET_SECCOMP  22
 66 
 67 /* Get/set the capability bounding set (as per security/commoncap.c) */
 68 #define PR_CAPBSET_READ 23
 69 #define PR_CAPBSET_DROP 24
 70 
 71 /* Get/set the process' ability to use the timestamp counter instruction */
 72 #define PR_GET_TSC 25
 73 #define PR_SET_TSC 26
 74 # define PR_TSC_ENABLE          1       /* allow the use of the timestamp counter */
 75 # define PR_TSC_SIGSEGV         2       /* throw a SIGSEGV instead of reading the TSC */
 76 
 77 /* Get/set securebits (as per security/commoncap.c) */
 78 #define PR_GET_SECUREBITS 27
 79 #define PR_SET_SECUREBITS 28
 80 
 81 /*
 82  * Get/set the timerslack as used by poll/select/nanosleep
 83  * A value of 0 means "use default"
 84  */
 85 #define PR_SET_TIMERSLACK 29
 86 #define PR_GET_TIMERSLACK 30
 87 
 88 #define PR_TASK_PERF_EVENTS_DISABLE             31
 89 #define PR_TASK_PERF_EVENTS_ENABLE              32
 90 
 91 /*
 92  * Set early/late kill mode for hwpoison memory corruption.
 93  * This influences when the process gets killed on a memory corruption.
 94  */
 95 #define PR_MCE_KILL     33
 96 # define PR_MCE_KILL_CLEAR   0
 97 # define PR_MCE_KILL_SET     1
 98 
 99 # define PR_MCE_KILL_LATE    0
100 # define PR_MCE_KILL_EARLY   1
101 # define PR_MCE_KILL_DEFAULT 2
102 
103 #define PR_MCE_KILL_GET 34
104 
105 #endif /* _LINUX_PRCTL_H */
106 

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