include/linux/prctl.h

   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 uid 0 */
  20 #define PR_GET_KEEPCAPS   7
  21 #define PR_SET_KEEPCAPS   8
  22
  23 /* Get/set floating-point emulation control bits (if meaningful) */
  24 #define PR_GET_FPEMU  9
  25 #define PR_SET_FPEMU 10
  26 # define PR_FPEMU_NOPRINT       1       /* silently emulate fp operations accesses */
  27 # define PR_FPEMU_SIGFPE        2       /* don't emulate fp operations, send SIGFPE instead */
  28
  29 /* Get/set floating-point exception mode (if meaningful) */
  30 #define PR_GET_FPEXC    11
  31 #define PR_SET_FPEXC    12
  32 # define PR_FP_EXC_SW_ENABLE    0x80    /* Use FPEXC for FP exception enables */
  33 # define PR_FP_EXC_DIV          0x010000        /* floating point divide by zero */
  34 # define PR_FP_EXC_OVF          0x020000        /* floating point overflow */
  35 # define PR_FP_EXC_UND          0x040000        /* floating point underflow */
  36 # define PR_FP_EXC_RES          0x080000        /* floating point inexact result */
  37 # define PR_FP_EXC_INV          0x100000        /* floating point invalid operation */
  38 # define PR_FP_EXC_DISABLED     0       /* FP exceptions disabled */
  39 # define PR_FP_EXC_NONRECOV     1       /* async non-recoverable exc. mode */
  40 # define PR_FP_EXC_ASYNC        2       /* async recoverable exception mode */
  41 # define PR_FP_EXC_PRECISE      3       /* precise exception mode */
  42
  43 /* Get/set whether we use statistical process timing or accurate timestamp
  44  * based process timing */
  45 #define PR_GET_TIMING   13
  46 #define PR_SET_TIMING   14
  47 # define PR_TIMING_STATISTICAL  0       /* Normal, traditional,
  48                                                    statistical process timing */
  49 # define PR_TIMING_TIMESTAMP    1       /* Accurate timestamp based
  50                                                    process timing */
  51
  52 #define PR_SET_NAME    15               /* Set process name */
  53 #define PR_GET_NAME    16               /* Get process name */
  54
  55 /* Get/set process endian */
  56 #define PR_GET_ENDIAN   19
  57 #define PR_SET_ENDIAN   20
  58 # define PR_ENDIAN_BIG          0
  59 # define PR_ENDIAN_LITTLE       1       /* True little endian mode */
  60 # define PR_ENDIAN_PPC_LITTLE   2       /* "PowerPC" pseudo little endian */
  61
  62 #endif /* _LINUX_PRCTL_H */