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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
#![warn(rust_2018_idioms)]
#![cfg(feature = "full")]
use std::cell::Cell;
use std::io::Cursor;
use std::net::SocketAddr;
use std::rc::Rc;
use tokio::net::TcpStream;
use tokio::time::{Duration, Instant};
#[allow(dead_code)]
type BoxFutureSync<T> = std::pin::Pin<Box<dyn std::future::Future<Output = T> + Send + Sync>>;
#[allow(dead_code)]
type BoxFutureSend<T> = std::pin::Pin<Box<dyn std::future::Future<Output = T> + Send>>;
#[allow(dead_code)]
type BoxFuture<T> = std::pin::Pin<Box<dyn std::future::Future<Output = T>>>;
#[allow(dead_code)]
fn require_send<T: Send>(_t: &T) {}
#[allow(dead_code)]
fn require_sync<T: Sync>(_t: &T) {}
#[allow(dead_code)]
struct Invalid;
trait AmbiguousIfSend<A> {
fn some_item(&self) {}
}
impl<T: ?Sized> AmbiguousIfSend<()> for T {}
impl<T: ?Sized + Send> AmbiguousIfSend<Invalid> for T {}
trait AmbiguousIfSync<A> {
fn some_item(&self) {}
}
impl<T: ?Sized> AmbiguousIfSync<()> for T {}
impl<T: ?Sized + Sync> AmbiguousIfSync<Invalid> for T {}
macro_rules! into_todo {
($typ:ty) => {{
let x: $typ = todo!();
x
}};
}
macro_rules! assert_value {
($type:ty: Send & Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f: $type = todo!();
require_send(&f);
require_sync(&f);
};
};
($type:ty: !Send & Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f: $type = todo!();
AmbiguousIfSend::some_item(&f);
require_sync(&f);
};
};
($type:ty: Send & !Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f: $type = todo!();
require_send(&f);
AmbiguousIfSync::some_item(&f);
};
};
($type:ty: !Send & !Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f: $type = todo!();
AmbiguousIfSend::some_item(&f);
AmbiguousIfSync::some_item(&f);
};
};
}
macro_rules! async_assert_fn {
($($f:ident $(< $($generic:ty),* > )? )::+($($arg:ty),*): Send & Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f = $($f $(::<$($generic),*>)? )::+( $( into_todo!($arg) ),* );
require_send(&f);
require_sync(&f);
};
};
($($f:ident $(< $($generic:ty),* > )? )::+($($arg:ty),*): Send & !Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f = $($f $(::<$($generic),*>)? )::+( $( into_todo!($arg) ),* );
require_send(&f);
AmbiguousIfSync::some_item(&f);
};
};
($($f:ident $(< $($generic:ty),* > )? )::+($($arg:ty),*): !Send & Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f = $($f $(::<$($generic),*>)? )::+( $( into_todo!($arg) ),* );
AmbiguousIfSend::some_item(&f);
require_sync(&f);
};
};
($($f:ident $(< $($generic:ty),* > )? )::+($($arg:ty),*): !Send & !Sync) => {
#[allow(unreachable_code)]
#[allow(unused_variables)]
const _: fn() = || {
let f = $($f $(::<$($generic),*>)? )::+( $( into_todo!($arg) ),* );
AmbiguousIfSend::some_item(&f);
AmbiguousIfSync::some_item(&f);
};
};
}
async_assert_fn!(tokio::io::copy(&mut TcpStream, &mut TcpStream): Send & Sync);
async_assert_fn!(tokio::io::empty(): Send & Sync);
async_assert_fn!(tokio::io::repeat(u8): Send & Sync);
async_assert_fn!(tokio::io::sink(): Send & Sync);
async_assert_fn!(tokio::io::split(TcpStream): Send & Sync);
async_assert_fn!(tokio::io::stderr(): Send & Sync);
async_assert_fn!(tokio::io::stdin(): Send & Sync);
async_assert_fn!(tokio::io::stdout(): Send & Sync);
async_assert_fn!(tokio::io::Split<Cursor<Vec<u8>>>::next_segment(_): Send & Sync);
async_assert_fn!(tokio::fs::canonicalize(&str): Send & Sync);
async_assert_fn!(tokio::fs::copy(&str, &str): Send & Sync);
async_assert_fn!(tokio::fs::create_dir(&str): Send & Sync);
async_assert_fn!(tokio::fs::create_dir_all(&str): Send & Sync);
async_assert_fn!(tokio::fs::hard_link(&str, &str): Send & Sync);
async_assert_fn!(tokio::fs::metadata(&str): Send & Sync);
async_assert_fn!(tokio::fs::read(&str): Send & Sync);
async_assert_fn!(tokio::fs::read_dir(&str): Send & Sync);
async_assert_fn!(tokio::fs::read_link(&str): Send & Sync);
async_assert_fn!(tokio::fs::read_to_string(&str): Send & Sync);
async_assert_fn!(tokio::fs::remove_dir(&str): Send & Sync);
async_assert_fn!(tokio::fs::remove_dir_all(&str): Send & Sync);
async_assert_fn!(tokio::fs::remove_file(&str): Send & Sync);
async_assert_fn!(tokio::fs::rename(&str, &str): Send & Sync);
async_assert_fn!(tokio::fs::set_permissions(&str, std::fs::Permissions): Send & Sync);
async_assert_fn!(tokio::fs::symlink_metadata(&str): Send & Sync);
async_assert_fn!(tokio::fs::write(&str, Vec<u8>): Send & Sync);
async_assert_fn!(tokio::fs::ReadDir::next_entry(_): Send & Sync);
async_assert_fn!(tokio::fs::OpenOptions::open(_, &str): Send & Sync);
async_assert_fn!(tokio::fs::DirEntry::metadata(_): Send & Sync);
async_assert_fn!(tokio::fs::DirEntry::file_type(_): Send & Sync);
async_assert_fn!(tokio::fs::File::open(&str): Send & Sync);
async_assert_fn!(tokio::fs::File::create(&str): Send & Sync);
async_assert_fn!(tokio::fs::File::seek(_, std::io::SeekFrom): Send & Sync);
async_assert_fn!(tokio::fs::File::sync_all(_): Send & Sync);
async_assert_fn!(tokio::fs::File::sync_data(_): Send & Sync);
async_assert_fn!(tokio::fs::File::set_len(_, u64): Send & Sync);
async_assert_fn!(tokio::fs::File::metadata(_): Send & Sync);
async_assert_fn!(tokio::fs::File::try_clone(_): Send & Sync);
async_assert_fn!(tokio::fs::File::into_std(_): Send & Sync);
async_assert_fn!(tokio::fs::File::set_permissions(_, std::fs::Permissions): Send & Sync);
async_assert_fn!(tokio::net::lookup_host(SocketAddr): Send & Sync);
async_assert_fn!(tokio::net::TcpListener::bind(SocketAddr): Send & Sync);
async_assert_fn!(tokio::net::TcpListener::accept(_): Send & Sync);
async_assert_fn!(tokio::net::TcpStream::connect(SocketAddr): Send & Sync);
async_assert_fn!(tokio::net::TcpStream::peek(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::tcp::ReadHalf::peek(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::UdpSocket::bind(SocketAddr): Send & Sync);
async_assert_fn!(tokio::net::UdpSocket::connect(_, SocketAddr): Send & Sync);
async_assert_fn!(tokio::net::UdpSocket::send(_, &[u8]): Send & Sync);
async_assert_fn!(tokio::net::UdpSocket::recv(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::UdpSocket::send_to(_, &[u8], SocketAddr): Send & Sync);
async_assert_fn!(tokio::net::UdpSocket::recv_from(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::udp::RecvHalf::recv(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::udp::RecvHalf::recv_from(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::udp::SendHalf::send(_, &[u8]): Send & Sync);
async_assert_fn!(tokio::net::udp::SendHalf::send_to(_, &[u8], &SocketAddr): Send & Sync);
#[cfg(unix)]
mod unix_datagram {
use super::*;
async_assert_fn!(tokio::net::UnixListener::bind(&str): Send & Sync);
async_assert_fn!(tokio::net::UnixListener::accept(_): Send & Sync);
async_assert_fn!(tokio::net::UnixDatagram::send(_, &[u8]): Send & Sync);
async_assert_fn!(tokio::net::UnixDatagram::recv(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::UnixDatagram::send_to(_, &[u8], &str): Send & Sync);
async_assert_fn!(tokio::net::UnixDatagram::recv_from(_, &mut [u8]): Send & Sync);
async_assert_fn!(tokio::net::UnixStream::connect(&str): Send & Sync);
}
async_assert_fn!(tokio::process::Child::wait_with_output(_): Send & Sync);
async_assert_fn!(tokio::signal::ctrl_c(): Send & Sync);
#[cfg(unix)]
async_assert_fn!(tokio::signal::unix::Signal::recv(_): Send & Sync);
async_assert_fn!(tokio::stream::empty<Rc<u8>>(): Send & Sync);
async_assert_fn!(tokio::stream::pending<Rc<u8>>(): Send & Sync);
async_assert_fn!(tokio::stream::iter(std::vec::IntoIter<u8>): Send & Sync);
async_assert_fn!(tokio::sync::Barrier::wait(_): Send & Sync);
async_assert_fn!(tokio::sync::Mutex<u8>::lock(_): Send & Sync);
async_assert_fn!(tokio::sync::Mutex<Cell<u8>>::lock(_): Send & Sync);
async_assert_fn!(tokio::sync::Mutex<Rc<u8>>::lock(_): !Send & !Sync);
async_assert_fn!(tokio::sync::Mutex<u8>::lock_owned(_): Send & Sync);
async_assert_fn!(tokio::sync::Mutex<Cell<u8>>::lock_owned(_): Send & Sync);
async_assert_fn!(tokio::sync::Mutex<Rc<u8>>::lock_owned(_): !Send & !Sync);
async_assert_fn!(tokio::sync::Notify::notified(_): Send & !Sync);
async_assert_fn!(tokio::sync::RwLock<u8>::read(_): Send & Sync);
async_assert_fn!(tokio::sync::RwLock<u8>::write(_): Send & Sync);
async_assert_fn!(tokio::sync::RwLock<Cell<u8>>::read(_): !Send & !Sync);
async_assert_fn!(tokio::sync::RwLock<Cell<u8>>::write(_): !Send & !Sync);
async_assert_fn!(tokio::sync::RwLock<Rc<u8>>::read(_): !Send & !Sync);
async_assert_fn!(tokio::sync::RwLock<Rc<u8>>::write(_): !Send & !Sync);
async_assert_fn!(tokio::sync::Semaphore::acquire(_): Send & Sync);
async_assert_fn!(tokio::sync::broadcast::Receiver<u8>::recv(_): Send & Sync);
async_assert_fn!(tokio::sync::broadcast::Receiver<Cell<u8>>::recv(_): Send & Sync);
async_assert_fn!(tokio::sync::broadcast::Receiver<Rc<u8>>::recv(_): !Send & !Sync);
async_assert_fn!(tokio::sync::mpsc::Receiver<u8>::recv(_): Send & Sync);
async_assert_fn!(tokio::sync::mpsc::Receiver<Cell<u8>>::recv(_): Send & Sync);
async_assert_fn!(tokio::sync::mpsc::Receiver<Rc<u8>>::recv(_): !Send & !Sync);
async_assert_fn!(tokio::sync::mpsc::Sender<u8>::send(_, u8): Send & Sync);
async_assert_fn!(tokio::sync::mpsc::Sender<Cell<u8>>::send(_, Cell<u8>): Send & !Sync);
async_assert_fn!(tokio::sync::mpsc::Sender<Rc<u8>>::send(_, Rc<u8>): !Send & !Sync);
async_assert_fn!(tokio::sync::mpsc::UnboundedReceiver<u8>::recv(_): Send & Sync);
async_assert_fn!(tokio::sync::mpsc::UnboundedReceiver<Cell<u8>>::recv(_): Send & Sync);
async_assert_fn!(tokio::sync::mpsc::UnboundedReceiver<Rc<u8>>::recv(_): !Send & !Sync);
async_assert_fn!(tokio::sync::watch::Receiver<u8>::recv(_): Send & Sync);
async_assert_fn!(tokio::sync::watch::Receiver<Cell<u8>>::recv(_): !Send & !Sync);
async_assert_fn!(tokio::sync::watch::Receiver<Rc<u8>>::recv(_): !Send & !Sync);
async_assert_fn!(tokio::sync::watch::Sender<u8>::closed(_): Send & Sync);
async_assert_fn!(tokio::sync::watch::Sender<Cell<u8>>::closed(_): !Send & !Sync);
async_assert_fn!(tokio::sync::watch::Sender<Rc<u8>>::closed(_): !Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<u32>::scope(_, u32, BoxFutureSync<()>): Send & Sync);
async_assert_fn!(tokio::task::LocalKey<u32>::scope(_, u32, BoxFutureSend<()>): Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<u32>::scope(_, u32, BoxFuture<()>): !Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<Cell<u32>>::scope(_, Cell<u32>, BoxFutureSync<()>): Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<Cell<u32>>::scope(_, Cell<u32>, BoxFutureSend<()>): Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<Cell<u32>>::scope(_, Cell<u32>, BoxFuture<()>): !Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<Rc<u32>>::scope(_, Rc<u32>, BoxFutureSync<()>): !Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<Rc<u32>>::scope(_, Rc<u32>, BoxFutureSend<()>): !Send & !Sync);
async_assert_fn!(tokio::task::LocalKey<Rc<u32>>::scope(_, Rc<u32>, BoxFuture<()>): !Send & !Sync);
async_assert_fn!(tokio::task::LocalSet::run_until(_, BoxFutureSync<()>): !Send & !Sync);
assert_value!(tokio::task::LocalSet: !Send & !Sync);
async_assert_fn!(tokio::time::advance(Duration): Send & Sync);
async_assert_fn!(tokio::time::delay_for(Duration): Send & Sync);
async_assert_fn!(tokio::time::delay_until(Instant): Send & Sync);
async_assert_fn!(tokio::time::timeout(Duration, BoxFutureSync<()>): Send & Sync);
async_assert_fn!(tokio::time::timeout(Duration, BoxFutureSend<()>): Send & !Sync);
async_assert_fn!(tokio::time::timeout(Duration, BoxFuture<()>): !Send & !Sync);
async_assert_fn!(tokio::time::timeout_at(Instant, BoxFutureSync<()>): Send & Sync);
async_assert_fn!(tokio::time::timeout_at(Instant, BoxFutureSend<()>): Send & !Sync);
async_assert_fn!(tokio::time::timeout_at(Instant, BoxFuture<()>): !Send & !Sync);
async_assert_fn!(tokio::time::Interval::tick(_): Send & Sync);
#[cfg(tokio_unstable)]
assert_value!(tokio::sync::CancellationToken: Send & Sync);
|
