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