projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 4ff82ec4 MJ |
22 | #elif ((LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) || \ |
| 23 | LTTNG_KERNEL_RANGE(5,10,220, 5,11,0)) | |
| c35f268c KS |
24 | static inline |
| 25 | struct file *lttng_lookup_fdget_rcu(unsigned int fd) | |
| 26 | { | |
| 27 | struct file* file = lookup_fd_rcu(fd); | |
| 28 | ||
| 29 | if (unlikely(!file || !get_file_rcu(file))) | |
| 30 | return NULL; | |
| 31 | return file; | |
| 0aebcd68 MJ |
32 | } |
| 33 | #else | |
| 34 | static inline | |
| c35f268c | 35 | struct file *lttng_lookup_fdget_rcu(unsigned int fd) |
| 0aebcd68 | 36 | { |
| c35f268c KS |
37 | struct file* file = fcheck(fd); |
| 38 | ||
| 39 | if (unlikely(!file || !get_file_rcu(file))) | |
| 40 | return NULL; | |
| 41 | return file; | |
| 0aebcd68 MJ |
42 | } |
| 43 | #endif | |
| 44 | ||
| c8adc20d MJ |
45 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,10,0)) |
| 46 | static inline | |
| 47 | bool lttng_close_on_exec(unsigned int fd, const struct files_struct *files) | |
| 48 | { | |
| 49 | return close_on_exec(fd, files); | |
| 50 | } | |
| 51 | #else | |
| 52 | static inline | |
| 53 | bool lttng_close_on_exec(unsigned int fd, const struct files_struct *files) | |
| 54 | { | |
| 55 | return close_on_exec(fd, files_fdtable(files)); | |
| 56 | } | |
| 57 | #endif | |
| 58 | ||
| 83f9bb7f | 59 | #endif /* _LTTNG_WRAPPER_FDTABLE_H */ |