Created
April 14, 2020 14:04
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spsc-bip-buffer potential data race
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fn grant_data_race() { | |
for i in 0..128 { | |
let (mut writer, mut reader) = bip_buffer_from(vec![0u8; 16].into_boxed_slice()); | |
let mut reservation = writer.reserve(8); | |
let sender = std::thread::spawn(move || { | |
writer.reserve(8).as_mut().expect("reserve").copy_from_slice(&[10, 11, 12, 13, 14, 15, 16, i]); | |
}); | |
reservation.as_mut().expect("reserve").copy_from_slice(&[1, 2, 3, 4, 5, 6, 7, 8]); | |
let receiver = std::thread::spawn(move || { | |
while reader.valid().len() < 8 {} | |
reader.consume(8); | |
}); | |
sender.join().unwrap(); | |
receiver.join().unwrap(); | |
} | |
} | |
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error[E0505]: cannot move out of `writer` because it is borrowed | |
--> src/lib.rs:682:45 | |
| | |
681 | let mut reservation = writer.reserve(8); | |
| ------ borrow of `writer` occurs here | |
682 | let sender = std::thread::spawn(move || { | |
| ^^^^^^^ move out of `writer` occurs here | |
683 | writer.reserve(8).as_mut().expect("reserve").copy_from_slice(&[10, 11, 12, 13, 14, 15, 16, i]); | |
| ------ move occurs due to use in closure | |
684 | }); | |
685 | reservation.as_mut().expect("reserve").copy_from_slice(&[1, 2, 3, 4, 5, 6, 7, 8]); | |
| ----------- borrow later used here | |
error: aborting due to previous error |
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