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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
53d74d05 MR |
2 | /* |
3 | * Common syscall restarting data | |
4 | */ | |
5 | #ifndef __LINUX_RESTART_BLOCK_H | |
6 | #define __LINUX_RESTART_BLOCK_H | |
7 | ||
8 | #include <linux/compiler.h> | |
9 | #include <linux/types.h> | |
01909974 | 10 | #include <linux/time64.h> |
53d74d05 MR |
11 | |
12 | struct timespec; | |
9afc5eee | 13 | struct old_timespec32; |
53d74d05 MR |
14 | struct pollfd; |
15 | ||
edbeda46 AV |
16 | enum timespec_type { |
17 | TT_NONE = 0, | |
18 | TT_NATIVE = 1, | |
edbeda46 | 19 | TT_COMPAT = 2, |
edbeda46 AV |
20 | }; |
21 | ||
53d74d05 MR |
22 | /* |
23 | * System call restart block. | |
24 | */ | |
25 | struct restart_block { | |
b2e9df85 | 26 | unsigned long arch_data; |
53d74d05 MR |
27 | long (*fn)(struct restart_block *); |
28 | union { | |
29 | /* For futex_wait and futex_wait_requeue_pi */ | |
30 | struct { | |
31 | u32 __user *uaddr; | |
32 | u32 val; | |
33 | u32 flags; | |
34 | u32 bitset; | |
35 | u64 time; | |
36 | u32 __user *uaddr2; | |
37 | } futex; | |
38 | /* For nanosleep */ | |
39 | struct { | |
40 | clockid_t clockid; | |
edbeda46 AV |
41 | enum timespec_type type; |
42 | union { | |
01909974 | 43 | struct __kernel_timespec __user *rmtp; |
9afc5eee | 44 | struct old_timespec32 __user *compat_rmtp; |
edbeda46 | 45 | }; |
53d74d05 MR |
46 | u64 expires; |
47 | } nanosleep; | |
48 | /* For poll */ | |
49 | struct { | |
50 | struct pollfd __user *ufds; | |
51 | int nfds; | |
52 | int has_timeout; | |
53 | unsigned long tv_sec; | |
54 | unsigned long tv_nsec; | |
55 | } poll; | |
56 | }; | |
57 | }; | |
58 | ||
59 | extern long do_no_restart_syscall(struct restart_block *parm); | |
60 | ||
61 | #endif /* __LINUX_RESTART_BLOCK_H */ |