Skip to content
Navigation Menu
Toggle navigation
Sign in
In this repository
All GitHub Enterprise
↵
Jump to
↵
No suggested jump to results
In this repository
All GitHub Enterprise
↵
Jump to
↵
In this organization
All GitHub Enterprise
↵
Jump to
↵
In this repository
All GitHub Enterprise
↵
Jump to
↵
Sign in
Reseting focus
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
mariux64
/
linux
Public
Notifications
You must be signed in to change notification settings
Fork
0
Star
0
Code
Issues
2
Pull requests
0
Actions
Projects
0
Wiki
Security
Insights
Additional navigation options
Code
Issues
Pull requests
Actions
Projects
Wiki
Security
Insights
Files
8838a1a
Documentation
LICENSES
arch
block
certs
crypto
drivers
fs
include
init
io_uring
ipc
kernel
lib
mm
net
rust
bindings
helpers
kernel
alloc
block
fs
init
list
net
sync
.gitignore
alloc.rs
block.rs
build_assert.rs
cred.rs
device.rs
error.rs
firmware.rs
fs.rs
generated_arch_static_branch_asm.rs.S
init.rs
ioctl.rs
jump_label.rs
kunit.rs
lib.rs
list.rs
miscdevice.rs
net.rs
page.rs
pid_namespace.rs
prelude.rs
print.rs
rbtree.rs
security.rs
seq_file.rs
sizes.rs
static_assert.rs
std_vendor.rs
str.rs
sync.rs
task.rs
time.rs
tracepoint.rs
transmute.rs
types.rs
uaccess.rs
workqueue.rs
macros
uapi
.gitignore
Makefile
bindgen_parameters
build_error.rs
compiler_builtins.rs
exports.c
ffi.rs
samples
scripts
security
sound
tools
usr
virt
.clang-format
.clippy.toml
.cocciconfig
.editorconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile
README
Breadcrumbs
linux
/
rust
/
kernel
/
sync.rs
Blame
Blame
Latest commit
History
History
69 lines (58 loc) · 1.85 KB
Breadcrumbs
linux
/
rust
/
kernel
/
sync.rs
Top
File metadata and controls
Code
Blame
69 lines (58 loc) · 1.85 KB
Raw
// SPDX-License-Identifier: GPL-2.0 //! Synchronisation primitives. //! //! This module contains the kernel APIs related to synchronisation that have been ported or //! wrapped for usage by Rust code in the kernel. use crate::types::Opaque; mod arc; mod condvar; pub mod lock; mod locked_by; pub mod poll; pub use arc::{Arc, ArcBorrow, UniqueArc}; pub use condvar::{new_condvar, CondVar, CondVarTimeoutResult}; pub use lock::global::{global_lock, GlobalGuard, GlobalLock, GlobalLockBackend, GlobalLockedBy}; pub use lock::mutex::{new_mutex, Mutex, MutexGuard}; pub use lock::spinlock::{new_spinlock, SpinLock, SpinLockGuard}; pub use locked_by::LockedBy; /// Represents a lockdep class. It's a wrapper around C's `lock_class_key`. #[repr(transparent)] pub struct LockClassKey(Opaque<bindings::lock_class_key>); // SAFETY: `bindings::lock_class_key` is designed to be used concurrently from multiple threads and // provides its own synchronization. unsafe impl Sync for LockClassKey {} impl LockClassKey { /// Creates a new lock class key. pub const fn new() -> Self { Self(Opaque::uninit()) } pub(crate) fn as_ptr(&self) -> *mut bindings::lock_class_key { self.0.get() } } impl Default for LockClassKey { fn default() -> Self { Self::new() } } /// Defines a new static lock class and returns a pointer to it. #[doc(hidden)] #[macro_export] macro_rules! static_lock_class { () => {{ static CLASS: $crate::sync::LockClassKey = $crate::sync::LockClassKey::new(); &CLASS }}; } /// Returns the given string, if one is provided, otherwise generates one based on the source code /// location. #[doc(hidden)] #[macro_export] macro_rules! optional_name { () => { $crate::c_str!(::core::concat!(::core::file!(), ":", ::core::line!())) }; ($name:literal) => { $crate::c_str!($name) }; }
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
You can’t perform that action at this time.