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 */ 63