Last change
on this file since f5d9c37 was
716b62c,
checked in by Thierry Delisle <tdelisle@…>, 3 years ago
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Added rust and cpu example.
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-
Property mode set to
100644
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File size:
1.4 KB
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1 | use std::thread; |
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2 | use std::time::Duration; |
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3 | |
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4 | // This is the version I wished worked. |
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5 | // If join was't ingored it would be safe |
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6 | fn better() { |
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7 | // let durr = Duration::from_millis(1); |
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8 | { |
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9 | let thrd = thread::spawn(move || { |
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10 | for i in 1..10 { |
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11 | println!("hi number {} from the spawned thread!", i); |
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12 | thread::sleep(durr); |
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13 | } |
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14 | }); |
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15 | |
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16 | for i in 1..5 { |
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17 | println!("hi number {} from the main thread!", i); |
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18 | thread::sleep(durr); |
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19 | } |
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20 | |
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21 | thrd.join().unwrap(); |
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22 | } |
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23 | } |
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24 | |
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25 | use std::sync::Arc; |
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26 | |
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27 | // This uses arc, which should not be needed |
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28 | // But it fails to figure out where to clone so it doesn't compile |
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29 | fn best() { |
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30 | let durr = Arc::new(Duration::from_millis(1)); |
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31 | { |
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32 | let thrd = thread::spawn(|| { |
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33 | for i in 1..10 { |
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34 | println!("hi number {} from the spawned thread!", i); |
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35 | thread::sleep(*durr); |
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36 | } |
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37 | }); |
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38 | |
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39 | for i in 1..5 { |
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40 | println!("hi number {} from the main thread!", i); |
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41 | thread::sleep(*durr); |
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42 | } |
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43 | |
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44 | thrd.join().unwrap(); |
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45 | } |
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46 | } |
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47 | |
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48 | // This is what is actually required |
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49 | // Note that the clone is explicit |
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50 | fn real() { |
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51 | let durr = Arc::new(Duration::from_millis(1)); |
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52 | { |
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53 | let durr2 = durr.clone(); |
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54 | let thrd = thread::spawn(move || { |
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55 | for i in 1..10 { |
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56 | println!("hi number {} from the spawned thread!", i); |
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57 | thread::sleep(*durr2); |
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58 | } |
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59 | }); |
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60 | |
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61 | for i in 1..5 { |
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62 | println!("hi number {} from the main thread!", i); |
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63 | thread::sleep(*durr); |
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64 | } |
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65 | |
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66 | thrd.join().unwrap(); |
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67 | } |
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68 | } |
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69 | |
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70 | fn main() { |
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71 | best(); |
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72 | better(); |
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73 | real(); |
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74 | } |
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