[mirror_ubuntu-artful-kernel.git] / include / linux / prctl.h

#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

/*
 * Get/set the timerslack as used by poll/select/nanosleep
 * A value of 0 means "use default"
 */
#define PR_SET_TIMERSLACK 29
#define PR_GET_TIMERSLACK 30

#define PR_TASK_PERF_EVENTS_DISABLE		31
#define PR_TASK_PERF_EVENTS_ENABLE		32

/*
 * Set early/late kill mode for hwpoison memory corruption.
 * This influences when the process gets killed on a memory corruption.
 */
#define PR_MCE_KILL	33
# define PR_MCE_KILL_CLEAR   0
# define PR_MCE_KILL_SET     1

# define PR_MCE_KILL_LATE    0
# define PR_MCE_KILL_EARLY   1
# define PR_MCE_KILL_DEFAULT 2

#define PR_MCE_KILL_GET 34

/*
 * Tune up process memory map specifics.
 */
#define PR_SET_MM		35
# define PR_SET_MM_START_CODE		1
# define PR_SET_MM_END_CODE		2
# define PR_SET_MM_START_DATA		3
# define PR_SET_MM_END_DATA		4
# define PR_SET_MM_START_STACK		5
# define PR_SET_MM_START_BRK		6
# define PR_SET_MM_BRK			7

#endif /* _LINUX_PRCTL_H */
Commit	Line	Data
1da177e4 LT	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
3898b1b4 AM	19	/* Get/set whether or not to drop capabilities on setuid() away from
3898b1b4 AM	20	* uid 0 (as per security/commoncap.c) */
1da177e4 LT	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
651d765d AB	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
1d9d02fe AA	63	/* Get/set process seccomp mode */
	64	#define PR_GET_SECCOMP 21
	65	#define PR_SET_SECCOMP 22
	66
3898b1b4	67	/* Get/set the capability bounding set (as per security/commoncap.c) */
3b7391de SH	68	#define PR_CAPBSET_READ 23
	69	#define PR_CAPBSET_DROP 24
	70
8fb402bc EB	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
3898b1b4 AM	77	/* Get/set securebits (as per security/commoncap.c) */
	78	#define PR_GET_SECUREBITS 27
	79	#define PR_SET_SECUREBITS 28
	80
6976675d AV	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
cdd6c482 IM	88	#define PR_TASK_PERF_EVENTS_DISABLE 31
cdd6c482 IM	89	#define PR_TASK_PERF_EVENTS_ENABLE 32
1d1c7ddb	90
1087e9b4 AK	91	/*
	92	* Set early/late kill mode for hwpoison memory corruption.
	93	* This influences when the process gets killed on a memory corruption.
	94	*/
4db96cf0	95	#define PR_MCE_KILL 33
1087e9b4 AK	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
4db96cf0	104
028ee4be CG	105	/*
	106	* Tune up process memory map specifics.
	107	*/
	108	#define PR_SET_MM 35
	109	# define PR_SET_MM_START_CODE 1
	110	# define PR_SET_MM_END_CODE 2
	111	# define PR_SET_MM_START_DATA 3
	112	# define PR_SET_MM_END_DATA 4
	113	# define PR_SET_MM_START_STACK 5
	114	# define PR_SET_MM_START_BRK 6
	115	# define PR_SET_MM_BRK 7
	116
1da177e4	117	#endif /* _LINUX_PRCTL_H */