Commit | Line | Data |
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b7cdc182 | 1 | /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
9f36eaed | 2 | * |
83f9bb7f MD |
3 | * wrapper/fdtable.h |
4 | * | |
5 | * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
83f9bb7f MD |
6 | */ |
7 | ||
9f36eaed MJ |
8 | #ifndef _LTTNG_WRAPPER_FDTABLE_H |
9 | #define _LTTNG_WRAPPER_FDTABLE_H | |
10 | ||
5f4c791e | 11 | #include <lttng/kernel-version.h> |
83f9bb7f | 12 | #include <linux/fdtable.h> |
cf41b81e | 13 | #include <linux/sched.h> |
83f9bb7f | 14 | |
c35f268c | 15 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,7,0)) |
0aebcd68 | 16 | static inline |
c35f268c | 17 | struct file *lttng_lookup_fdget_rcu(unsigned int fd) |
0aebcd68 | 18 | { |
c35f268c KS |
19 | return lookup_fdget_rcu(fd); |
20 | } | |
21 | ||
22 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) | |
23 | static inline | |
24 | struct file *lttng_lookup_fdget_rcu(unsigned int fd) | |
25 | { | |
26 | struct file* file = lookup_fd_rcu(fd); | |
27 | ||
28 | if (unlikely(!file || !get_file_rcu(file))) | |
29 | return NULL; | |
30 | return file; | |
0aebcd68 MJ |
31 | } |
32 | #else | |
33 | static inline | |
c35f268c | 34 | struct file *lttng_lookup_fdget_rcu(unsigned int fd) |
0aebcd68 | 35 | { |
c35f268c KS |
36 | struct file* file = fcheck(fd); |
37 | ||
38 | if (unlikely(!file || !get_file_rcu(file))) | |
39 | return NULL; | |
40 | return file; | |
0aebcd68 MJ |
41 | } |
42 | #endif | |
43 | ||
83f9bb7f | 44 | #endif /* _LTTNG_WRAPPER_FDTABLE_H */ |