linux - include/asm-generic/thread_info

54 lines · 1.7 KiB

1	/* SPDX-License-Identifier: GPL-2.0 */
2	#ifndef _ASM_GENERIC_THREAD_INFO_TIF_H_
3	#define _ASM_GENERIC_THREAD_INFO_TIF_H_
4
5	#include <vdso/bits.h>
6
7	/* Bits 16-31 are reserved for architecture specific purposes */
8
9	#define TIF_NOTIFY_RESUME 0 // callback before returning to user
10	#define _TIF_NOTIFY_RESUME BIT(TIF_NOTIFY_RESUME)
11
12	#define TIF_SIGPENDING 1 // signal pending
13	#define _TIF_SIGPENDING BIT(TIF_SIGPENDING)
14
15	#define TIF_NOTIFY_SIGNAL 2 // signal notifications exist
16	#define _TIF_NOTIFY_SIGNAL BIT(TIF_NOTIFY_SIGNAL)
17
18	#define TIF_MEMDIE 3 // is terminating due to OOM killer
19	#define _TIF_MEMDIE BIT(TIF_MEMDIE)
20
21	#define TIF_NEED_RESCHED 4 // rescheduling necessary
22	#define _TIF_NEED_RESCHED BIT(TIF_NEED_RESCHED)
23
24	#ifdef HAVE_TIF_NEED_RESCHED_LAZY
25	# define TIF_NEED_RESCHED_LAZY 5 // Lazy rescheduling needed
26	# define _TIF_NEED_RESCHED_LAZY BIT(TIF_NEED_RESCHED_LAZY)
27	#endif
28
29	#ifdef HAVE_TIF_POLLING_NRFLAG
30	# define TIF_POLLING_NRFLAG 6 // idle is polling for TIF_NEED_RESCHED
31	# define _TIF_POLLING_NRFLAG BIT(TIF_POLLING_NRFLAG)
32	#endif
33
34	#define TIF_USER_RETURN_NOTIFY 7 // notify kernel of userspace return
35	#define _TIF_USER_RETURN_NOTIFY BIT(TIF_USER_RETURN_NOTIFY)
36
37	#define TIF_UPROBE 8 // breakpointed or singlestepping
38	#define _TIF_UPROBE BIT(TIF_UPROBE)
39
40	#define TIF_PATCH_PENDING 9 // pending live patching update
41	#define _TIF_PATCH_PENDING BIT(TIF_PATCH_PENDING)
42
43	#ifdef HAVE_TIF_RESTORE_SIGMASK
44	# define TIF_RESTORE_SIGMASK 10 // Restore signal mask in do_signal()
45	# define _TIF_RESTORE_SIGMASK BIT(TIF_RESTORE_SIGMASK)
46	#endif
47
48	#define TIF_RSEQ 11 // Run RSEQ fast path
49	#define _TIF_RSEQ BIT(TIF_RSEQ)
50
51	#define TIF_HRTIMER_REARM 12 // re-arm the timer
52	#define _TIF_HRTIMER_REARM BIT(TIF_HRTIMER_REARM)
53
54	#endif /* _ASM_GENERIC_THREAD_INFO_TIF_H_ */