| 1 | #ifndef _LINUX_PRCTL_H |
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| 2 | #define _LINUX_PRCTL_H |
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| 3 | |
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| 4 | /* Values to pass as first argument to prctl() */ |
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| 5 | |
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| 6 | #define PR_SET_PDEATHSIG 1 /* Second arg is a signal */ |
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| 7 | #define PR_GET_PDEATHSIG 2 /* Second arg is a ptr to return the signal */ |
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| 8 | |
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| 9 | /* Get/set current->mm->dumpable */ |
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| 10 | #define PR_GET_DUMPABLE 3 |
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| 11 | #define PR_SET_DUMPABLE 4 |
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| 12 | |
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| 13 | /* Get/set unaligned access control bits (if meaningful) */ |
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| 14 | #define PR_GET_UNALIGN 5 |
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| 15 | #define PR_SET_UNALIGN 6 |
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| 16 | # define PR_UNALIGN_NOPRINT 1 /* silently fix up unaligned user accesses */ |
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| 17 | # define PR_UNALIGN_SIGBUS 2 /* generate SIGBUS on unaligned user access */ |
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| 18 | |
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| 19 | /* Get/set whether or not to drop capabilities on setuid() away from uid 0 */ |
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| 20 | #define PR_GET_KEEPCAPS 7 |
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| 21 | #define PR_SET_KEEPCAPS 8 |
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| 22 | |
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| 23 | /* Get/set floating-point emulation control bits (if meaningful) */ |
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| 24 | #define PR_GET_FPEMU 9 |
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| 25 | #define PR_SET_FPEMU 10 |
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| 26 | # define PR_FPEMU_NOPRINT 1 /* silently emulate fp operations accesses */ |
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| 27 | # define PR_FPEMU_SIGFPE 2 /* don't emulate fp operations, send SIGFPE instead */ |
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| 28 | |
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| 29 | /* Get/set floating-point exception mode (if meaningful) */ |
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| 30 | #define PR_GET_FPEXC 11 |
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| 31 | #define PR_SET_FPEXC 12 |
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| 32 | # define PR_FP_EXC_SW_ENABLE 0x80 /* Use FPEXC for FP exception enables */ |
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| 33 | # define PR_FP_EXC_DIV 0x010000 /* floating point divide by zero */ |
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| 34 | # define PR_FP_EXC_OVF 0x020000 /* floating point overflow */ |
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| 35 | # define PR_FP_EXC_UND 0x040000 /* floating point underflow */ |
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| 36 | # define PR_FP_EXC_RES 0x080000 /* floating point inexact result */ |
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| 37 | # define PR_FP_EXC_INV 0x100000 /* floating point invalid operation */ |
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| 38 | # define PR_FP_EXC_DISABLED 0 /* FP exceptions disabled */ |
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| 39 | # define PR_FP_EXC_NONRECOV 1 /* async non-recoverable exc. mode */ |
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| 40 | # define PR_FP_EXC_ASYNC 2 /* async recoverable exception mode */ |
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| 41 | # define PR_FP_EXC_PRECISE 3 /* precise exception mode */ |
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| 42 | |
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| 43 | /* Get/set whether we use statistical process timing or accurate timestamp |
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| 44 | * based process timing */ |
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| 45 | #define PR_GET_TIMING 13 |
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| 46 | #define PR_SET_TIMING 14 |
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| 47 | # define PR_TIMING_STATISTICAL 0 /* Normal, traditional, |
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| 48 | statistical process timing */ |
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| 49 | # define PR_TIMING_TIMESTAMP 1 /* Accurate timestamp based |
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| 50 | process timing */ |
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| 51 | |
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| 52 | #define PR_SET_NAME 15 /* Set process name */ |
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| 53 | #define PR_GET_NAME 16 /* Get process name */ |
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| 54 | |
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| 55 | #endif /* _LINUX_PRCTL_H */ |
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