601 lines
63 KiB
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601 lines
63 KiB
HTML
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/newkirk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/brotli-8.0.2/src/enc/threading.rs`."><title>threading.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="brotli" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">brotli/enc/</div>threading.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span>alloc::{Allocator, SliceWrapper, SliceWrapperMut};
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<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span>core::marker::PhantomData;
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<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>core::ops::Range;
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<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span>core::{any, mem};
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<a href=#5 id=5 data-nosnippet>5</a><span class="attr">#[cfg(feature = <span class="string">"std"</span>)]
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<a href=#6 id=6 data-nosnippet>6</a></span><span class="kw">use </span>std;
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<a href=#7 id=7 data-nosnippet>7</a>
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<a href=#8 id=8 data-nosnippet>8</a><span class="kw">use </span><span class="kw">super</span>::backward_references::{AnyHasher, BrotliEncoderParams, CloneWithAlloc, UnionHasher};
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<a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span><span class="kw">super</span>::encode::{
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<a href=#10 id=10 data-nosnippet>10</a> hasher_setup, BrotliEncoderDestroyInstance, BrotliEncoderMaxCompressedSize,
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<a href=#11 id=11 data-nosnippet>11</a> BrotliEncoderOperation, SanitizeParams,
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<a href=#12 id=12 data-nosnippet>12</a>};
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<a href=#13 id=13 data-nosnippet>13</a><span class="kw">use </span><span class="kw">super</span>::BrotliAlloc;
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<a href=#14 id=14 data-nosnippet>14</a><span class="kw">use </span><span class="kw">crate</span>::concat::{BroCatli, BroCatliResult};
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<a href=#15 id=15 data-nosnippet>15</a><span class="kw">use </span><span class="kw">crate</span>::enc::combined_alloc::{alloc_default, allocate};
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<a href=#16 id=16 data-nosnippet>16</a><span class="kw">use </span><span class="kw">crate</span>::enc::encode::BrotliEncoderStateStruct;
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<a href=#17 id=17 data-nosnippet>17</a>
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<a href=#18 id=18 data-nosnippet>18</a><span class="kw">pub type </span>PoisonedThreadError = ();
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<a href=#19 id=19 data-nosnippet>19</a>
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<a href=#20 id=20 data-nosnippet>20</a><span class="attr">#[cfg(feature = <span class="string">"std"</span>)]
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<a href=#21 id=21 data-nosnippet>21</a></span><span class="kw">pub type </span>LowLevelThreadError = std::boxed::Box<<span class="kw">dyn </span>any::Any + Send + <span class="lifetime">'static</span>>;
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<a href=#22 id=22 data-nosnippet>22</a><span class="attr">#[cfg(not(feature = <span class="string">"std"</span>))]
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<a href=#23 id=23 data-nosnippet>23</a></span><span class="kw">pub type </span>LowLevelThreadError = ();
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<a href=#24 id=24 data-nosnippet>24</a>
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<a href=#25 id=25 data-nosnippet>25</a><span class="kw">pub trait </span>AnyBoxConstructor {
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<a href=#26 id=26 data-nosnippet>26</a> <span class="kw">fn </span>new(data: LowLevelThreadError) -> <span class="self">Self</span>;
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<a href=#27 id=27 data-nosnippet>27</a>}
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<a href=#28 id=28 data-nosnippet>28</a>
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<a href=#29 id=29 data-nosnippet>29</a><span class="kw">pub trait </span>Joinable<T: Send + <span class="lifetime">'static</span>, U: Send + <span class="lifetime">'static</span>>: Sized {
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<a href=#30 id=30 data-nosnippet>30</a> <span class="kw">fn </span>join(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><T, U>;
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<a href=#31 id=31 data-nosnippet>31</a>}
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<a href=#32 id=32 data-nosnippet>32</a><span class="attr">#[derive(Debug)]
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<a href=#33 id=33 data-nosnippet>33</a></span><span class="kw">pub enum </span>BrotliEncoderThreadError {
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<a href=#34 id=34 data-nosnippet>34</a> InsufficientOutputSpace,
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<a href=#35 id=35 data-nosnippet>35</a> ConcatenationDidNotProcessFullFile,
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<a href=#36 id=36 data-nosnippet>36</a> ConcatenationError(BroCatliResult),
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<a href=#37 id=37 data-nosnippet>37</a> ConcatenationFinalizationError(BroCatliResult),
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<a href=#38 id=38 data-nosnippet>38</a> OtherThreadPanic,
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<a href=#39 id=39 data-nosnippet>39</a> ThreadExecError(LowLevelThreadError),
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<a href=#40 id=40 data-nosnippet>40</a>}
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<a href=#41 id=41 data-nosnippet>41</a>
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<a href=#42 id=42 data-nosnippet>42</a><span class="kw">impl </span>AnyBoxConstructor <span class="kw">for </span>BrotliEncoderThreadError {
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<a href=#43 id=43 data-nosnippet>43</a> <span class="kw">fn </span>new(data: LowLevelThreadError) -> <span class="self">Self </span>{
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<a href=#44 id=44 data-nosnippet>44</a> BrotliEncoderThreadError::ThreadExecError(data)
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<a href=#45 id=45 data-nosnippet>45</a> }
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<a href=#46 id=46 data-nosnippet>46</a>}
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<a href=#47 id=47 data-nosnippet>47</a>
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<a href=#48 id=48 data-nosnippet>48</a><span class="kw">pub struct </span>CompressedFileChunk<Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>>
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<a href=#49 id=49 data-nosnippet>49</a><span class="kw">where
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<a href=#50 id=50 data-nosnippet>50</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send,
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<a href=#51 id=51 data-nosnippet>51</a>{
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<a href=#52 id=52 data-nosnippet>52</a> data_backing: <Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory,
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<a href=#53 id=53 data-nosnippet>53</a> data_size: usize,
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<a href=#54 id=54 data-nosnippet>54</a>}
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<a href=#55 id=55 data-nosnippet>55</a><span class="kw">pub struct </span>CompressionThreadResult<Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>>
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<a href=#56 id=56 data-nosnippet>56</a><span class="kw">where
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<a href=#57 id=57 data-nosnippet>57</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send,
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<a href=#58 id=58 data-nosnippet>58</a>{
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<a href=#59 id=59 data-nosnippet>59</a> compressed: <span class="prelude-ty">Result</span><CompressedFileChunk<Alloc>, BrotliEncoderThreadError>,
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<a href=#60 id=60 data-nosnippet>60</a> alloc: Alloc,
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<a href=#61 id=61 data-nosnippet>61</a>}
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<a href=#62 id=62 data-nosnippet>62</a><span class="kw">pub enum </span>InternalSendAlloc<
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<a href=#63 id=63 data-nosnippet>63</a> ReturnVal: Send + <span class="lifetime">'static</span>,
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<a href=#64 id=64 data-nosnippet>64</a> ExtraInput: Send + <span class="lifetime">'static</span>,
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<a href=#65 id=65 data-nosnippet>65</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
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<a href=#66 id=66 data-nosnippet>66</a> Join: Joinable<ReturnVal, BrotliEncoderThreadError>,
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<a href=#67 id=67 data-nosnippet>67</a>> <span class="kw">where
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<a href=#68 id=68 data-nosnippet>68</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send,
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<a href=#69 id=69 data-nosnippet>69</a>{
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<a href=#70 id=70 data-nosnippet>70</a> A(Alloc, ExtraInput),
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<a href=#71 id=71 data-nosnippet>71</a> Join(Join),
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<a href=#72 id=72 data-nosnippet>72</a> SpawningOrJoining(PhantomData<ReturnVal>),
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<a href=#73 id=73 data-nosnippet>73</a>}
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<a href=#74 id=74 data-nosnippet>74</a><span class="kw">impl</span><
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<a href=#75 id=75 data-nosnippet>75</a> ReturnVal: Send + <span class="lifetime">'static</span>,
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<a href=#76 id=76 data-nosnippet>76</a> ExtraInput: Send + <span class="lifetime">'static</span>,
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<a href=#77 id=77 data-nosnippet>77</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
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<a href=#78 id=78 data-nosnippet>78</a> Join: Joinable<ReturnVal, BrotliEncoderThreadError>,
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<a href=#79 id=79 data-nosnippet>79</a> > InternalSendAlloc<ReturnVal, ExtraInput, Alloc, Join>
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<a href=#80 id=80 data-nosnippet>80</a><span class="kw">where
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<a href=#81 id=81 data-nosnippet>81</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send,
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<a href=#82 id=82 data-nosnippet>82</a>{
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<a href=#83 id=83 data-nosnippet>83</a> <span class="kw">fn </span>unwrap_input(<span class="kw-2">&mut </span><span class="self">self</span>) -> (<span class="kw-2">&mut </span>Alloc, <span class="kw-2">&mut </span>ExtraInput) {
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<a href=#84 id=84 data-nosnippet>84</a> <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
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<a href=#85 id=85 data-nosnippet>85</a> InternalSendAlloc::A(<span class="kw-2">ref mut </span>alloc, <span class="kw-2">ref mut </span>extra) => (alloc, extra),
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<a href=#86 id=86 data-nosnippet>86</a> <span class="kw">_ </span>=> <span class="macro">panic!</span>(<span class="string">"Bad state for allocator"</span>),
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<a href=#87 id=87 data-nosnippet>87</a> }
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<a href=#88 id=88 data-nosnippet>88</a> }
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<a href=#89 id=89 data-nosnippet>89</a>}
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<a href=#90 id=90 data-nosnippet>90</a>
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<a href=#91 id=91 data-nosnippet>91</a><span class="kw">pub struct </span>SendAlloc<
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<a href=#92 id=92 data-nosnippet>92</a> ReturnValue: Send + <span class="lifetime">'static</span>,
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<a href=#93 id=93 data-nosnippet>93</a> ExtraInput: Send + <span class="lifetime">'static</span>,
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<a href=#94 id=94 data-nosnippet>94</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
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<a href=#95 id=95 data-nosnippet>95</a> Join: Joinable<ReturnValue, BrotliEncoderThreadError>,
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<a href=#96 id=96 data-nosnippet>96</a>>(<span class="kw">pub </span>InternalSendAlloc<ReturnValue, ExtraInput, Alloc, Join>)
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<a href=#97 id=97 data-nosnippet>97</a><span class="comment">//FIXME pub
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<a href=#98 id=98 data-nosnippet>98</a></span><span class="kw">where
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<a href=#99 id=99 data-nosnippet>99</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send;
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<a href=#100 id=100 data-nosnippet>100</a>
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<a href=#101 id=101 data-nosnippet>101</a><span class="kw">impl</span><
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<a href=#102 id=102 data-nosnippet>102</a> ReturnValue: Send + <span class="lifetime">'static</span>,
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<a href=#103 id=103 data-nosnippet>103</a> ExtraInput: Send + <span class="lifetime">'static</span>,
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<a href=#104 id=104 data-nosnippet>104</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
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<a href=#105 id=105 data-nosnippet>105</a> Join: Joinable<ReturnValue, BrotliEncoderThreadError>,
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<a href=#106 id=106 data-nosnippet>106</a> > SendAlloc<ReturnValue, ExtraInput, Alloc, Join>
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<a href=#107 id=107 data-nosnippet>107</a><span class="kw">where
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<a href=#108 id=108 data-nosnippet>108</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send,
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<a href=#109 id=109 data-nosnippet>109</a>{
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<a href=#110 id=110 data-nosnippet>110</a> <span class="kw">pub fn </span>new(alloc: Alloc, extra_input: ExtraInput) -> <span class="self">Self </span>{
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<a href=#111 id=111 data-nosnippet>111</a> SendAlloc::<ReturnValue, ExtraInput, Alloc, Join>(InternalSendAlloc::A(alloc, extra_input))
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<a href=#112 id=112 data-nosnippet>112</a> }
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<a href=#113 id=113 data-nosnippet>113</a> <span class="kw">pub fn </span>unwrap_or(<span class="self">self</span>, other: Alloc, other_extra: ExtraInput) -> (Alloc, ExtraInput) {
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<a href=#114 id=114 data-nosnippet>114</a> <span class="kw">match </span><span class="self">self</span>.<span class="number">0 </span>{
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<a href=#115 id=115 data-nosnippet>115</a> InternalSendAlloc::A(alloc, extra_input) => (alloc, extra_input),
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<a href=#116 id=116 data-nosnippet>116</a> InternalSendAlloc::SpawningOrJoining(<span class="kw">_</span>) | InternalSendAlloc::Join(<span class="kw">_</span>) => {
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<a href=#117 id=117 data-nosnippet>117</a> (other, other_extra)
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<a href=#118 id=118 data-nosnippet>118</a> }
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<a href=#119 id=119 data-nosnippet>119</a> }
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<a href=#120 id=120 data-nosnippet>120</a> }
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<a href=#121 id=121 data-nosnippet>121</a> <span class="kw">fn </span>unwrap_view_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> (<span class="kw-2">&mut </span>Alloc, <span class="kw-2">&mut </span>ExtraInput) {
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<a href=#122 id=122 data-nosnippet>122</a> <span class="kw">match </span><span class="self">self</span>.<span class="number">0 </span>{
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<a href=#123 id=123 data-nosnippet>123</a> InternalSendAlloc::A(<span class="kw-2">ref mut </span>alloc, <span class="kw-2">ref mut </span>extra_input) => (alloc, extra_input),
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<a href=#124 id=124 data-nosnippet>124</a> InternalSendAlloc::SpawningOrJoining(<span class="kw">_</span>) | InternalSendAlloc::Join(<span class="kw">_</span>) => {
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<a href=#125 id=125 data-nosnippet>125</a> <span class="macro">panic!</span>(<span class="string">"Item permanently borrowed/leaked"</span>)
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<a href=#126 id=126 data-nosnippet>126</a> }
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<a href=#127 id=127 data-nosnippet>127</a> }
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<a href=#128 id=128 data-nosnippet>128</a> }
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<a href=#129 id=129 data-nosnippet>129</a> <span class="kw">pub fn </span>unwrap(<span class="self">self</span>) -> (Alloc, ExtraInput) {
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<a href=#130 id=130 data-nosnippet>130</a> <span class="kw">match </span><span class="self">self</span>.<span class="number">0 </span>{
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<a href=#131 id=131 data-nosnippet>131</a> InternalSendAlloc::A(alloc, extra_input) => (alloc, extra_input),
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<a href=#132 id=132 data-nosnippet>132</a> InternalSendAlloc::SpawningOrJoining(<span class="kw">_</span>) | InternalSendAlloc::Join(<span class="kw">_</span>) => {
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<a href=#133 id=133 data-nosnippet>133</a> <span class="macro">panic!</span>(<span class="string">"Item permanently borrowed/leaked"</span>)
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<a href=#134 id=134 data-nosnippet>134</a> }
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<a href=#135 id=135 data-nosnippet>135</a> }
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<a href=#136 id=136 data-nosnippet>136</a> }
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<a href=#137 id=137 data-nosnippet>137</a> <span class="kw">pub fn </span>replace_with_default(<span class="kw-2">&mut </span><span class="self">self</span>) -> (Alloc, ExtraInput) {
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<a href=#138 id=138 data-nosnippet>138</a> <span class="kw">match </span>mem::replace(
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<a href=#139 id=139 data-nosnippet>139</a> <span class="kw-2">&mut </span><span class="self">self</span>.<span class="number">0</span>,
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<a href=#140 id=140 data-nosnippet>140</a> InternalSendAlloc::SpawningOrJoining(PhantomData),
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<a href=#141 id=141 data-nosnippet>141</a> ) {
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<a href=#142 id=142 data-nosnippet>142</a> InternalSendAlloc::A(alloc, extra_input) => (alloc, extra_input),
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<a href=#143 id=143 data-nosnippet>143</a> InternalSendAlloc::SpawningOrJoining(<span class="kw">_</span>) | InternalSendAlloc::Join(<span class="kw">_</span>) => {
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<a href=#144 id=144 data-nosnippet>144</a> <span class="macro">panic!</span>(<span class="string">"Item permanently borrowed/leaked"</span>)
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<a href=#145 id=145 data-nosnippet>145</a> }
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<a href=#146 id=146 data-nosnippet>146</a> }
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<a href=#147 id=147 data-nosnippet>147</a> }
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<a href=#148 id=148 data-nosnippet>148</a>}
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<a href=#149 id=149 data-nosnippet>149</a>
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<a href=#150 id=150 data-nosnippet>150</a><span class="kw">pub enum </span>InternalOwned<T> {
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<a href=#151 id=151 data-nosnippet>151</a> <span class="comment">// FIXME pub
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<a href=#152 id=152 data-nosnippet>152</a> </span>Item(T),
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<a href=#153 id=153 data-nosnippet>153</a> Borrowed,
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<a href=#154 id=154 data-nosnippet>154</a>}
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<a href=#155 id=155 data-nosnippet>155</a>
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<a href=#156 id=156 data-nosnippet>156</a><span class="kw">pub struct </span>Owned<T>(<span class="kw">pub </span>InternalOwned<T>); <span class="comment">// FIXME pub
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<a href=#157 id=157 data-nosnippet>157</a></span><span class="kw">impl</span><T> Owned<T> {
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<a href=#158 id=158 data-nosnippet>158</a> <span class="kw">pub fn </span>new(data: T) -> <span class="self">Self </span>{
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<a href=#159 id=159 data-nosnippet>159</a> Owned::<T>(InternalOwned::Item(data))
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<a href=#160 id=160 data-nosnippet>160</a> }
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<a href=#161 id=161 data-nosnippet>161</a> <span class="kw">pub fn </span>unwrap_or(<span class="self">self</span>, other: T) -> T {
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<a href=#162 id=162 data-nosnippet>162</a> <span class="kw">if let </span>InternalOwned::Item(x) = <span class="self">self</span>.<span class="number">0 </span>{
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<a href=#163 id=163 data-nosnippet>163</a> x
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<a href=#164 id=164 data-nosnippet>164</a> } <span class="kw">else </span>{
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<a href=#165 id=165 data-nosnippet>165</a> other
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<a href=#166 id=166 data-nosnippet>166</a> }
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<a href=#167 id=167 data-nosnippet>167</a> }
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<a href=#168 id=168 data-nosnippet>168</a> <span class="kw">pub fn </span>unwrap(<span class="self">self</span>) -> T {
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<a href=#169 id=169 data-nosnippet>169</a> <span class="kw">if let </span>InternalOwned::Item(x) = <span class="self">self</span>.<span class="number">0 </span>{
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<a href=#170 id=170 data-nosnippet>170</a> x
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<a href=#171 id=171 data-nosnippet>171</a> } <span class="kw">else </span>{
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<a href=#172 id=172 data-nosnippet>172</a> <span class="macro">panic!</span>(<span class="string">"Item permanently borrowed"</span>)
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<a href=#173 id=173 data-nosnippet>173</a> }
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<a href=#174 id=174 data-nosnippet>174</a> }
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<a href=#175 id=175 data-nosnippet>175</a> <span class="kw">pub fn </span>view(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>T {
|
|
<a href=#176 id=176 data-nosnippet>176</a> <span class="kw">if let </span>InternalOwned::Item(<span class="kw-2">ref </span>x) = <span class="self">self</span>.<span class="number">0 </span>{
|
|
<a href=#177 id=177 data-nosnippet>177</a> x
|
|
<a href=#178 id=178 data-nosnippet>178</a> } <span class="kw">else </span>{
|
|
<a href=#179 id=179 data-nosnippet>179</a> <span class="macro">panic!</span>(<span class="string">"Item permanently borrowed"</span>)
|
|
<a href=#180 id=180 data-nosnippet>180</a> }
|
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<a href=#181 id=181 data-nosnippet>181</a> }
|
|
<a href=#182 id=182 data-nosnippet>182</a>}
|
|
<a href=#183 id=183 data-nosnippet>183</a>
|
|
<a href=#184 id=184 data-nosnippet>184</a><span class="kw">pub trait </span>OwnedRetriever<U: Send + <span class="lifetime">'static</span>> {
|
|
<a href=#185 id=185 data-nosnippet>185</a> <span class="kw">fn </span>view<T, F: FnOnce(<span class="kw-2">&</span>U) -> T>(<span class="kw-2">&</span><span class="self">self</span>, f: F) -> <span class="prelude-ty">Result</span><T, PoisonedThreadError>;
|
|
<a href=#186 id=186 data-nosnippet>186</a> <span class="kw">fn </span>unwrap(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><U, PoisonedThreadError>;
|
|
<a href=#187 id=187 data-nosnippet>187</a>}
|
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<a href=#188 id=188 data-nosnippet>188</a>
|
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<a href=#189 id=189 data-nosnippet>189</a><span class="attr">#[cfg(feature = <span class="string">"std"</span>)]
|
|
<a href=#190 id=190 data-nosnippet>190</a></span><span class="kw">impl</span><U: Send + <span class="lifetime">'static</span>> OwnedRetriever<U> <span class="kw">for </span>std::sync::Arc<std::sync::RwLock<U>> {
|
|
<a href=#191 id=191 data-nosnippet>191</a> <span class="kw">fn </span>view<T, F: FnOnce(<span class="kw-2">&</span>U) -> T>(<span class="kw-2">&</span><span class="self">self</span>, f: F) -> <span class="prelude-ty">Result</span><T, PoisonedThreadError> {
|
|
<a href=#192 id=192 data-nosnippet>192</a> <span class="kw">match </span><span class="self">self</span>.read() {
|
|
<a href=#193 id=193 data-nosnippet>193</a> <span class="prelude-val">Ok</span>(<span class="kw-2">ref </span>u) => <span class="prelude-val">Ok</span>(f(u)),
|
|
<a href=#194 id=194 data-nosnippet>194</a> <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="prelude-val">Err</span>(PoisonedThreadError::default()),
|
|
<a href=#195 id=195 data-nosnippet>195</a> }
|
|
<a href=#196 id=196 data-nosnippet>196</a> }
|
|
<a href=#197 id=197 data-nosnippet>197</a> <span class="kw">fn </span>unwrap(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><U, PoisonedThreadError> {
|
|
<a href=#198 id=198 data-nosnippet>198</a> <span class="kw">match </span>std::sync::Arc::try_unwrap(<span class="self">self</span>) {
|
|
<a href=#199 id=199 data-nosnippet>199</a> <span class="prelude-val">Ok</span>(rwlock) => <span class="kw">match </span>rwlock.into_inner() {
|
|
<a href=#200 id=200 data-nosnippet>200</a> <span class="prelude-val">Ok</span>(u) => <span class="prelude-val">Ok</span>(u),
|
|
<a href=#201 id=201 data-nosnippet>201</a> <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="prelude-val">Err</span>(PoisonedThreadError::default()),
|
|
<a href=#202 id=202 data-nosnippet>202</a> },
|
|
<a href=#203 id=203 data-nosnippet>203</a> <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="prelude-val">Err</span>(PoisonedThreadError::default()),
|
|
<a href=#204 id=204 data-nosnippet>204</a> }
|
|
<a href=#205 id=205 data-nosnippet>205</a> }
|
|
<a href=#206 id=206 data-nosnippet>206</a>}
|
|
<a href=#207 id=207 data-nosnippet>207</a>
|
|
<a href=#208 id=208 data-nosnippet>208</a><span class="kw">pub trait </span>BatchSpawnable<
|
|
<a href=#209 id=209 data-nosnippet>209</a> ReturnValue: Send + <span class="lifetime">'static</span>,
|
|
<a href=#210 id=210 data-nosnippet>210</a> ExtraInput: Send + <span class="lifetime">'static</span>,
|
|
<a href=#211 id=211 data-nosnippet>211</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
|
|
<a href=#212 id=212 data-nosnippet>212</a> U: Send + <span class="lifetime">'static </span>+ Sync,
|
|
<a href=#213 id=213 data-nosnippet>213</a>> <span class="kw">where
|
|
<a href=#214 id=214 data-nosnippet>214</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send + <span class="lifetime">'static</span>,
|
|
<a href=#215 id=215 data-nosnippet>215</a>{
|
|
<a href=#216 id=216 data-nosnippet>216</a> <span class="kw">type </span>JoinHandle: Joinable<ReturnValue, BrotliEncoderThreadError>;
|
|
<a href=#217 id=217 data-nosnippet>217</a> <span class="kw">type </span>FinalJoinHandle: OwnedRetriever<U>;
|
|
<a href=#218 id=218 data-nosnippet>218</a> <span class="comment">// this function takes in an input slice
|
|
<a href=#219 id=219 data-nosnippet>219</a> // a SendAlloc per thread and converts them all into JoinHandle
|
|
<a href=#220 id=220 data-nosnippet>220</a> // the input is borrowed until the joins complete
|
|
<a href=#221 id=221 data-nosnippet>221</a> // owned is set to borrowed
|
|
<a href=#222 id=222 data-nosnippet>222</a> // the final join handle is a r/w lock which will return the SliceW to the owner
|
|
<a href=#223 id=223 data-nosnippet>223</a> // the FinalJoinHandle is only to be called when each individual JoinHandle has been examined
|
|
<a href=#224 id=224 data-nosnippet>224</a> // the function is called with the thread_index, the num_threads, a reference to the slice under a read lock,
|
|
<a href=#225 id=225 data-nosnippet>225</a> // and an allocator from the alloc_per_thread
|
|
<a href=#226 id=226 data-nosnippet>226</a> </span><span class="kw">fn </span>make_spawner(<span class="kw-2">&mut </span><span class="self">self</span>, input: <span class="kw-2">&mut </span>Owned<U>) -> <span class="self">Self</span>::FinalJoinHandle;
|
|
<a href=#227 id=227 data-nosnippet>227</a> <span class="kw">fn </span>spawn<F: Fn(ExtraInput, usize, usize, <span class="kw-2">&</span>U, Alloc) -> ReturnValue + Send + <span class="lifetime">'static </span>+ Copy>(
|
|
<a href=#228 id=228 data-nosnippet>228</a> <span class="kw-2">&mut </span><span class="self">self</span>,
|
|
<a href=#229 id=229 data-nosnippet>229</a> handle: <span class="kw-2">&mut </span><span class="self">Self</span>::FinalJoinHandle,
|
|
<a href=#230 id=230 data-nosnippet>230</a> alloc: <span class="kw-2">&mut </span>SendAlloc<ReturnValue, ExtraInput, Alloc, <span class="self">Self</span>::JoinHandle>,
|
|
<a href=#231 id=231 data-nosnippet>231</a> index: usize,
|
|
<a href=#232 id=232 data-nosnippet>232</a> num_threads: usize,
|
|
<a href=#233 id=233 data-nosnippet>233</a> f: F,
|
|
<a href=#234 id=234 data-nosnippet>234</a> );
|
|
<a href=#235 id=235 data-nosnippet>235</a>}
|
|
<a href=#236 id=236 data-nosnippet>236</a>
|
|
<a href=#237 id=237 data-nosnippet>237</a><span class="kw">pub trait </span>BatchSpawnableLite<
|
|
<a href=#238 id=238 data-nosnippet>238</a> ReturnValue: Send + <span class="lifetime">'static</span>,
|
|
<a href=#239 id=239 data-nosnippet>239</a> ExtraInput: Send + <span class="lifetime">'static</span>,
|
|
<a href=#240 id=240 data-nosnippet>240</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
|
|
<a href=#241 id=241 data-nosnippet>241</a> U: Send + <span class="lifetime">'static </span>+ Sync,
|
|
<a href=#242 id=242 data-nosnippet>242</a>> <span class="kw">where
|
|
<a href=#243 id=243 data-nosnippet>243</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send + <span class="lifetime">'static</span>,
|
|
<a href=#244 id=244 data-nosnippet>244</a>{
|
|
<a href=#245 id=245 data-nosnippet>245</a> <span class="kw">type </span>JoinHandle: Joinable<ReturnValue, BrotliEncoderThreadError>;
|
|
<a href=#246 id=246 data-nosnippet>246</a> <span class="kw">type </span>FinalJoinHandle: OwnedRetriever<U>;
|
|
<a href=#247 id=247 data-nosnippet>247</a> <span class="kw">fn </span>make_spawner(<span class="kw-2">&mut </span><span class="self">self</span>, input: <span class="kw-2">&mut </span>Owned<U>) -> <span class="self">Self</span>::FinalJoinHandle;
|
|
<a href=#248 id=248 data-nosnippet>248</a> <span class="kw">fn </span>spawn(
|
|
<a href=#249 id=249 data-nosnippet>249</a> <span class="kw-2">&mut </span><span class="self">self</span>,
|
|
<a href=#250 id=250 data-nosnippet>250</a> handle: <span class="kw-2">&mut </span><span class="self">Self</span>::FinalJoinHandle,
|
|
<a href=#251 id=251 data-nosnippet>251</a> alloc_per_thread: <span class="kw-2">&mut </span>SendAlloc<ReturnValue, ExtraInput, Alloc, <span class="self">Self</span>::JoinHandle>,
|
|
<a href=#252 id=252 data-nosnippet>252</a> index: usize,
|
|
<a href=#253 id=253 data-nosnippet>253</a> num_threads: usize,
|
|
<a href=#254 id=254 data-nosnippet>254</a> f: <span class="kw">fn</span>(ExtraInput, usize, usize, <span class="kw-2">&</span>U, Alloc) -> ReturnValue,
|
|
<a href=#255 id=255 data-nosnippet>255</a> );
|
|
<a href=#256 id=256 data-nosnippet>256</a>}
|
|
<a href=#257 id=257 data-nosnippet>257</a><span class="comment">/*
|
|
<a href=#258 id=258 data-nosnippet>258</a>impl<ReturnValue:Send+'static,
|
|
<a href=#259 id=259 data-nosnippet>259</a> ExtraInput:Send+'static,
|
|
<a href=#260 id=260 data-nosnippet>260</a> Alloc:BrotliAlloc+Send+'static,
|
|
<a href=#261 id=261 data-nosnippet>261</a> U:Send+'static+Sync>
|
|
<a href=#262 id=262 data-nosnippet>262</a> BatchSpawnableLite<T, Alloc, U> for BatchSpawnable<T, Alloc, U> {
|
|
<a href=#263 id=263 data-nosnippet>263</a> type JoinHandle = <Self as BatchSpawnable<T, Alloc, U>>::JoinHandle;
|
|
<a href=#264 id=264 data-nosnippet>264</a> type FinalJoinHandle = <Self as BatchSpawnable<T, Alloc, U>>::FinalJoinHandle;
|
|
<a href=#265 id=265 data-nosnippet>265</a> fn batch_spawn(
|
|
<a href=#266 id=266 data-nosnippet>266</a> &mut self,
|
|
<a href=#267 id=267 data-nosnippet>267</a> input: &mut Owned<U>,
|
|
<a href=#268 id=268 data-nosnippet>268</a> alloc_per_thread:&mut [SendAlloc<ReturnValue, ExtraInput, Alloc, Self::JoinHandle>],
|
|
<a href=#269 id=269 data-nosnippet>269</a> f: fn(usize, usize, &U, Alloc) -> T,
|
|
<a href=#270 id=270 data-nosnippet>270</a> ) -> Self::FinalJoinHandle {
|
|
<a href=#271 id=271 data-nosnippet>271</a> <Self as BatchSpawnable<ReturnValue, ExtraInput, Alloc, U>>::batch_spawn(self, input, alloc_per_thread, f)
|
|
<a href=#272 id=272 data-nosnippet>272</a> }
|
|
<a href=#273 id=273 data-nosnippet>273</a>}*/
|
|
<a href=#274 id=274 data-nosnippet>274</a>
|
|
<a href=#275 id=275 data-nosnippet>275</a></span><span class="kw">pub fn </span>CompressMultiSlice<
|
|
<a href=#276 id=276 data-nosnippet>276</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
|
|
<a href=#277 id=277 data-nosnippet>277</a> Spawner: BatchSpawnableLite<
|
|
<a href=#278 id=278 data-nosnippet>278</a> CompressionThreadResult<Alloc>,
|
|
<a href=#279 id=279 data-nosnippet>279</a> UnionHasher<Alloc>,
|
|
<a href=#280 id=280 data-nosnippet>280</a> Alloc,
|
|
<a href=#281 id=281 data-nosnippet>281</a> (
|
|
<a href=#282 id=282 data-nosnippet>282</a> <Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory,
|
|
<a href=#283 id=283 data-nosnippet>283</a> BrotliEncoderParams,
|
|
<a href=#284 id=284 data-nosnippet>284</a> ),
|
|
<a href=#285 id=285 data-nosnippet>285</a> >,
|
|
<a href=#286 id=286 data-nosnippet>286</a>>(
|
|
<a href=#287 id=287 data-nosnippet>287</a> params: <span class="kw-2">&</span>BrotliEncoderParams,
|
|
<a href=#288 id=288 data-nosnippet>288</a> input_slice: <span class="kw-2">&</span>[u8],
|
|
<a href=#289 id=289 data-nosnippet>289</a> output: <span class="kw-2">&mut </span>[u8],
|
|
<a href=#290 id=290 data-nosnippet>290</a> alloc_per_thread: <span class="kw-2">&mut </span>[SendAlloc<
|
|
<a href=#291 id=291 data-nosnippet>291</a> CompressionThreadResult<Alloc>,
|
|
<a href=#292 id=292 data-nosnippet>292</a> UnionHasher<Alloc>,
|
|
<a href=#293 id=293 data-nosnippet>293</a> Alloc,
|
|
<a href=#294 id=294 data-nosnippet>294</a> Spawner::JoinHandle,
|
|
<a href=#295 id=295 data-nosnippet>295</a> >],
|
|
<a href=#296 id=296 data-nosnippet>296</a> thread_spawner: <span class="kw-2">&mut </span>Spawner,
|
|
<a href=#297 id=297 data-nosnippet>297</a>) -> <span class="prelude-ty">Result</span><usize, BrotliEncoderThreadError>
|
|
<a href=#298 id=298 data-nosnippet>298</a><span class="kw">where
|
|
<a href=#299 id=299 data-nosnippet>299</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send + Sync,
|
|
<a href=#300 id=300 data-nosnippet>300</a> <Alloc <span class="kw">as </span>Allocator<u16>>::AllocatedMemory: Send + Sync,
|
|
<a href=#301 id=301 data-nosnippet>301</a> <Alloc <span class="kw">as </span>Allocator<u32>>::AllocatedMemory: Send + Sync,
|
|
<a href=#302 id=302 data-nosnippet>302</a>{
|
|
<a href=#303 id=303 data-nosnippet>303</a> <span class="kw">let </span>input = <span class="kw">if let </span>InternalSendAlloc::A(<span class="kw-2">ref mut </span>alloc, <span class="kw-2">ref </span>_extra) = alloc_per_thread[<span class="number">0</span>].<span class="number">0 </span>{
|
|
<a href=#304 id=304 data-nosnippet>304</a> <span class="kw">let </span><span class="kw-2">mut </span>input = allocate::<u8, <span class="kw">_</span>>(alloc, input_slice.len());
|
|
<a href=#305 id=305 data-nosnippet>305</a> input.slice_mut().clone_from_slice(input_slice);
|
|
<a href=#306 id=306 data-nosnippet>306</a> input
|
|
<a href=#307 id=307 data-nosnippet>307</a> } <span class="kw">else </span>{
|
|
<a href=#308 id=308 data-nosnippet>308</a> alloc_default::<u8, Alloc>()
|
|
<a href=#309 id=309 data-nosnippet>309</a> };
|
|
<a href=#310 id=310 data-nosnippet>310</a> <span class="kw">let </span><span class="kw-2">mut </span>owned_input = Owned::new(input);
|
|
<a href=#311 id=311 data-nosnippet>311</a> <span class="kw">let </span>ret = CompressMulti(
|
|
<a href=#312 id=312 data-nosnippet>312</a> params,
|
|
<a href=#313 id=313 data-nosnippet>313</a> <span class="kw-2">&mut </span>owned_input,
|
|
<a href=#314 id=314 data-nosnippet>314</a> output,
|
|
<a href=#315 id=315 data-nosnippet>315</a> alloc_per_thread,
|
|
<a href=#316 id=316 data-nosnippet>316</a> thread_spawner,
|
|
<a href=#317 id=317 data-nosnippet>317</a> );
|
|
<a href=#318 id=318 data-nosnippet>318</a> <span class="kw">if let </span>InternalSendAlloc::A(<span class="kw-2">ref mut </span>alloc, <span class="kw-2">ref </span>_extra) = alloc_per_thread[<span class="number">0</span>].<span class="number">0 </span>{
|
|
<a href=#319 id=319 data-nosnippet>319</a> <Alloc <span class="kw">as </span>Allocator<u8>>::free_cell(alloc, owned_input.unwrap());
|
|
<a href=#320 id=320 data-nosnippet>320</a> }
|
|
<a href=#321 id=321 data-nosnippet>321</a> ret
|
|
<a href=#322 id=322 data-nosnippet>322</a>}
|
|
<a href=#323 id=323 data-nosnippet>323</a>
|
|
<a href=#324 id=324 data-nosnippet>324</a><span class="kw">fn </span>get_range(thread_index: usize, num_threads: usize, file_size: usize) -> Range<usize> {
|
|
<a href=#325 id=325 data-nosnippet>325</a> ((thread_index * file_size) / num_threads)..(((thread_index + <span class="number">1</span>) * file_size) / num_threads)
|
|
<a href=#326 id=326 data-nosnippet>326</a>}
|
|
<a href=#327 id=327 data-nosnippet>327</a>
|
|
<a href=#328 id=328 data-nosnippet>328</a><span class="kw">fn </span>compress_part<Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>, SliceW: SliceWrapper<u8>>(
|
|
<a href=#329 id=329 data-nosnippet>329</a> hasher: UnionHasher<Alloc>,
|
|
<a href=#330 id=330 data-nosnippet>330</a> thread_index: usize,
|
|
<a href=#331 id=331 data-nosnippet>331</a> num_threads: usize,
|
|
<a href=#332 id=332 data-nosnippet>332</a> input_and_params: <span class="kw-2">&</span>(SliceW, BrotliEncoderParams),
|
|
<a href=#333 id=333 data-nosnippet>333</a> <span class="kw-2">mut </span>alloc: Alloc,
|
|
<a href=#334 id=334 data-nosnippet>334</a>) -> CompressionThreadResult<Alloc>
|
|
<a href=#335 id=335 data-nosnippet>335</a><span class="kw">where
|
|
<a href=#336 id=336 data-nosnippet>336</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send + <span class="lifetime">'static</span>,
|
|
<a href=#337 id=337 data-nosnippet>337</a>{
|
|
<a href=#338 id=338 data-nosnippet>338</a> <span class="kw">let </span><span class="kw-2">mut </span>range = get_range(thread_index, num_threads, input_and_params.<span class="number">0</span>.len());
|
|
<a href=#339 id=339 data-nosnippet>339</a> <span class="kw">let </span><span class="kw-2">mut </span>mem = allocate::<u8, <span class="kw">_</span>>(
|
|
<a href=#340 id=340 data-nosnippet>340</a> <span class="kw-2">&mut </span>alloc,
|
|
<a href=#341 id=341 data-nosnippet>341</a> BrotliEncoderMaxCompressedSize(range.end - range.start),
|
|
<a href=#342 id=342 data-nosnippet>342</a> );
|
|
<a href=#343 id=343 data-nosnippet>343</a> <span class="kw">let </span><span class="kw-2">mut </span>state = BrotliEncoderStateStruct::new(alloc);
|
|
<a href=#344 id=344 data-nosnippet>344</a> state.params = input_and_params.<span class="number">1</span>.clone();
|
|
<a href=#345 id=345 data-nosnippet>345</a> <span class="kw">if </span><span class="macro">thread_index !</span>= <span class="number">0 </span>{
|
|
<a href=#346 id=346 data-nosnippet>346</a> state.params.catable = <span class="bool-val">true</span>; <span class="comment">// make sure we can concatenate this to the other work results
|
|
<a href=#347 id=347 data-nosnippet>347</a> </span>state.params.magic_number = <span class="bool-val">false</span>; <span class="comment">// no reason to pepper this around
|
|
<a href=#348 id=348 data-nosnippet>348</a> </span>}
|
|
<a href=#349 id=349 data-nosnippet>349</a> state.params.appendable = <span class="bool-val">true</span>; <span class="comment">// make sure we are at least appendable, so that future items can be catted in
|
|
<a href=#350 id=350 data-nosnippet>350</a> </span><span class="kw">if </span><span class="macro">thread_index !</span>= <span class="number">0 </span>{
|
|
<a href=#351 id=351 data-nosnippet>351</a> state.set_custom_dictionary_with_optional_precomputed_hasher(
|
|
<a href=#352 id=352 data-nosnippet>352</a> range.start,
|
|
<a href=#353 id=353 data-nosnippet>353</a> <span class="kw-2">&</span>input_and_params.<span class="number">0</span>.slice()[..range.start],
|
|
<a href=#354 id=354 data-nosnippet>354</a> hasher,
|
|
<a href=#355 id=355 data-nosnippet>355</a> <span class="bool-val">true</span>,
|
|
<a href=#356 id=356 data-nosnippet>356</a> );
|
|
<a href=#357 id=357 data-nosnippet>357</a> }
|
|
<a href=#358 id=358 data-nosnippet>358</a> <span class="kw">let </span><span class="kw-2">mut </span>out_offset = <span class="number">0usize</span>;
|
|
<a href=#359 id=359 data-nosnippet>359</a> <span class="kw">let </span>compression_result;
|
|
<a href=#360 id=360 data-nosnippet>360</a> <span class="kw">let </span><span class="kw-2">mut </span>available_out = mem.len();
|
|
<a href=#361 id=361 data-nosnippet>361</a> <span class="kw">loop </span>{
|
|
<a href=#362 id=362 data-nosnippet>362</a> <span class="kw">let </span><span class="kw-2">mut </span>next_in_offset = <span class="number">0usize</span>;
|
|
<a href=#363 id=363 data-nosnippet>363</a> <span class="kw">let </span><span class="kw-2">mut </span>available_in = range.end - range.start;
|
|
<a href=#364 id=364 data-nosnippet>364</a> <span class="kw">let </span>result = state.compress_stream(
|
|
<a href=#365 id=365 data-nosnippet>365</a> BrotliEncoderOperation::BROTLI_OPERATION_FINISH,
|
|
<a href=#366 id=366 data-nosnippet>366</a> <span class="kw-2">&mut </span>available_in,
|
|
<a href=#367 id=367 data-nosnippet>367</a> <span class="kw-2">&</span>input_and_params.<span class="number">0</span>.slice()[range.clone()],
|
|
<a href=#368 id=368 data-nosnippet>368</a> <span class="kw-2">&mut </span>next_in_offset,
|
|
<a href=#369 id=369 data-nosnippet>369</a> <span class="kw-2">&mut </span>available_out,
|
|
<a href=#370 id=370 data-nosnippet>370</a> mem.slice_mut(),
|
|
<a href=#371 id=371 data-nosnippet>371</a> <span class="kw-2">&mut </span>out_offset,
|
|
<a href=#372 id=372 data-nosnippet>372</a> <span class="kw-2">&mut </span><span class="prelude-val">None</span>,
|
|
<a href=#373 id=373 data-nosnippet>373</a> <span class="kw-2">&mut </span>|_a, _b, _c, _d| (),
|
|
<a href=#374 id=374 data-nosnippet>374</a> );
|
|
<a href=#375 id=375 data-nosnippet>375</a> <span class="kw">let </span>new_range = range.start + next_in_offset..range.end;
|
|
<a href=#376 id=376 data-nosnippet>376</a> range = new_range;
|
|
<a href=#377 id=377 data-nosnippet>377</a> <span class="kw">if </span>result {
|
|
<a href=#378 id=378 data-nosnippet>378</a> compression_result = <span class="prelude-val">Ok</span>(out_offset);
|
|
<a href=#379 id=379 data-nosnippet>379</a> <span class="kw">break</span>;
|
|
<a href=#380 id=380 data-nosnippet>380</a> } <span class="kw">else if </span>available_out == <span class="number">0 </span>{
|
|
<a href=#381 id=381 data-nosnippet>381</a> compression_result = <span class="prelude-val">Err</span>(BrotliEncoderThreadError::InsufficientOutputSpace); <span class="comment">// mark no space??
|
|
<a href=#382 id=382 data-nosnippet>382</a> </span><span class="kw">break</span>;
|
|
<a href=#383 id=383 data-nosnippet>383</a> }
|
|
<a href=#384 id=384 data-nosnippet>384</a> }
|
|
<a href=#385 id=385 data-nosnippet>385</a> BrotliEncoderDestroyInstance(<span class="kw-2">&mut </span>state);
|
|
<a href=#386 id=386 data-nosnippet>386</a> <span class="kw">match </span>compression_result {
|
|
<a href=#387 id=387 data-nosnippet>387</a> <span class="prelude-val">Ok</span>(size) => CompressionThreadResult::<Alloc> {
|
|
<a href=#388 id=388 data-nosnippet>388</a> compressed: <span class="prelude-val">Ok</span>(CompressedFileChunk {
|
|
<a href=#389 id=389 data-nosnippet>389</a> data_backing: mem,
|
|
<a href=#390 id=390 data-nosnippet>390</a> data_size: size,
|
|
<a href=#391 id=391 data-nosnippet>391</a> }),
|
|
<a href=#392 id=392 data-nosnippet>392</a> alloc: state.m8,
|
|
<a href=#393 id=393 data-nosnippet>393</a> },
|
|
<a href=#394 id=394 data-nosnippet>394</a> <span class="prelude-val">Err</span>(e) => {
|
|
<a href=#395 id=395 data-nosnippet>395</a> <Alloc <span class="kw">as </span>Allocator<u8>>::free_cell(<span class="kw-2">&mut </span>state.m8, mem);
|
|
<a href=#396 id=396 data-nosnippet>396</a> CompressionThreadResult::<Alloc> {
|
|
<a href=#397 id=397 data-nosnippet>397</a> compressed: <span class="prelude-val">Err</span>(e),
|
|
<a href=#398 id=398 data-nosnippet>398</a> alloc: state.m8,
|
|
<a href=#399 id=399 data-nosnippet>399</a> }
|
|
<a href=#400 id=400 data-nosnippet>400</a> }
|
|
<a href=#401 id=401 data-nosnippet>401</a> }
|
|
<a href=#402 id=402 data-nosnippet>402</a>}
|
|
<a href=#403 id=403 data-nosnippet>403</a>
|
|
<a href=#404 id=404 data-nosnippet>404</a><span class="kw">pub fn </span>CompressMulti<
|
|
<a href=#405 id=405 data-nosnippet>405</a> Alloc: BrotliAlloc + Send + <span class="lifetime">'static</span>,
|
|
<a href=#406 id=406 data-nosnippet>406</a> SliceW: SliceWrapper<u8> + Send + <span class="lifetime">'static </span>+ Sync,
|
|
<a href=#407 id=407 data-nosnippet>407</a> Spawner: BatchSpawnableLite<
|
|
<a href=#408 id=408 data-nosnippet>408</a> CompressionThreadResult<Alloc>,
|
|
<a href=#409 id=409 data-nosnippet>409</a> UnionHasher<Alloc>,
|
|
<a href=#410 id=410 data-nosnippet>410</a> Alloc,
|
|
<a href=#411 id=411 data-nosnippet>411</a> (SliceW, BrotliEncoderParams),
|
|
<a href=#412 id=412 data-nosnippet>412</a> >,
|
|
<a href=#413 id=413 data-nosnippet>413</a>>(
|
|
<a href=#414 id=414 data-nosnippet>414</a> params: <span class="kw-2">&</span>BrotliEncoderParams,
|
|
<a href=#415 id=415 data-nosnippet>415</a> owned_input: <span class="kw-2">&mut </span>Owned<SliceW>,
|
|
<a href=#416 id=416 data-nosnippet>416</a> output: <span class="kw-2">&mut </span>[u8],
|
|
<a href=#417 id=417 data-nosnippet>417</a> alloc_per_thread: <span class="kw-2">&mut </span>[SendAlloc<
|
|
<a href=#418 id=418 data-nosnippet>418</a> CompressionThreadResult<Alloc>,
|
|
<a href=#419 id=419 data-nosnippet>419</a> UnionHasher<Alloc>,
|
|
<a href=#420 id=420 data-nosnippet>420</a> Alloc,
|
|
<a href=#421 id=421 data-nosnippet>421</a> Spawner::JoinHandle,
|
|
<a href=#422 id=422 data-nosnippet>422</a> >],
|
|
<a href=#423 id=423 data-nosnippet>423</a> thread_spawner: <span class="kw-2">&mut </span>Spawner,
|
|
<a href=#424 id=424 data-nosnippet>424</a>) -> <span class="prelude-ty">Result</span><usize, BrotliEncoderThreadError>
|
|
<a href=#425 id=425 data-nosnippet>425</a><span class="kw">where
|
|
<a href=#426 id=426 data-nosnippet>426</a> </span><Alloc <span class="kw">as </span>Allocator<u8>>::AllocatedMemory: Send,
|
|
<a href=#427 id=427 data-nosnippet>427</a> <Alloc <span class="kw">as </span>Allocator<u16>>::AllocatedMemory: Send,
|
|
<a href=#428 id=428 data-nosnippet>428</a> <Alloc <span class="kw">as </span>Allocator<u32>>::AllocatedMemory: Send,
|
|
<a href=#429 id=429 data-nosnippet>429</a>{
|
|
<a href=#430 id=430 data-nosnippet>430</a> <span class="kw">let </span>num_threads = alloc_per_thread.len();
|
|
<a href=#431 id=431 data-nosnippet>431</a> <span class="kw">let </span>actually_owned_mem = mem::replace(owned_input, Owned(InternalOwned::Borrowed));
|
|
<a href=#432 id=432 data-nosnippet>432</a> <span class="kw">let </span><span class="kw-2">mut </span>owned_input_pair = Owned::new((actually_owned_mem.unwrap(), params.clone()));
|
|
<a href=#433 id=433 data-nosnippet>433</a> <span class="comment">// start thread spawner
|
|
<a href=#434 id=434 data-nosnippet>434</a> </span><span class="kw">let </span><span class="kw-2">mut </span>spawner_and_input = thread_spawner.make_spawner(<span class="kw-2">&mut </span>owned_input_pair);
|
|
<a href=#435 id=435 data-nosnippet>435</a> <span class="kw">if </span>num_threads > <span class="number">1 </span>{
|
|
<a href=#436 id=436 data-nosnippet>436</a> <span class="comment">// spawn first thread without "custom dictionary" while we compute the custom dictionary for other work items
|
|
<a href=#437 id=437 data-nosnippet>437</a> </span>thread_spawner.spawn(
|
|
<a href=#438 id=438 data-nosnippet>438</a> <span class="kw-2">&mut </span>spawner_and_input,
|
|
<a href=#439 id=439 data-nosnippet>439</a> <span class="kw-2">&mut </span>alloc_per_thread[<span class="number">0</span>],
|
|
<a href=#440 id=440 data-nosnippet>440</a> <span class="number">0</span>,
|
|
<a href=#441 id=441 data-nosnippet>441</a> num_threads,
|
|
<a href=#442 id=442 data-nosnippet>442</a> compress_part,
|
|
<a href=#443 id=443 data-nosnippet>443</a> );
|
|
<a href=#444 id=444 data-nosnippet>444</a> }
|
|
<a href=#445 id=445 data-nosnippet>445</a> <span class="comment">// populate all hashers at once, cloning them one by one
|
|
<a href=#446 id=446 data-nosnippet>446</a> </span><span class="kw">let </span><span class="kw-2">mut </span>compression_last_thread_result;
|
|
<a href=#447 id=447 data-nosnippet>447</a> <span class="kw">if </span>num_threads > <span class="number">1 </span>&& params.favor_cpu_efficiency {
|
|
<a href=#448 id=448 data-nosnippet>448</a> <span class="kw">let </span><span class="kw-2">mut </span>local_params = params.clone();
|
|
<a href=#449 id=449 data-nosnippet>449</a> SanitizeParams(<span class="kw-2">&mut </span>local_params);
|
|
<a href=#450 id=450 data-nosnippet>450</a> <span class="kw">let </span><span class="kw-2">mut </span>hasher = UnionHasher::Uninit;
|
|
<a href=#451 id=451 data-nosnippet>451</a> hasher_setup(
|
|
<a href=#452 id=452 data-nosnippet>452</a> alloc_per_thread[num_threads - <span class="number">1</span>].<span class="number">0</span>.unwrap_input().<span class="number">0</span>,
|
|
<a href=#453 id=453 data-nosnippet>453</a> <span class="kw-2">&mut </span>hasher,
|
|
<a href=#454 id=454 data-nosnippet>454</a> <span class="kw-2">&mut </span>local_params,
|
|
<a href=#455 id=455 data-nosnippet>455</a> <span class="prelude-val">None</span>, <span class="comment">// No unwrappable custom dict used here.
|
|
<a href=#456 id=456 data-nosnippet>456</a> </span><span class="kw-2">&</span>[],
|
|
<a href=#457 id=457 data-nosnippet>457</a> <span class="number">0</span>,
|
|
<a href=#458 id=458 data-nosnippet>458</a> <span class="number">0</span>,
|
|
<a href=#459 id=459 data-nosnippet>459</a> <span class="bool-val">false</span>,
|
|
<a href=#460 id=460 data-nosnippet>460</a> );
|
|
<a href=#461 id=461 data-nosnippet>461</a> <span class="kw">for </span>thread_index <span class="kw">in </span><span class="number">1</span>..num_threads {
|
|
<a href=#462 id=462 data-nosnippet>462</a> <span class="kw">let </span>res = spawner_and_input.view(|input_and_params: <span class="kw-2">&</span>(SliceW, BrotliEncoderParams)| {
|
|
<a href=#463 id=463 data-nosnippet>463</a> <span class="kw">let </span>range = get_range(thread_index - <span class="number">1</span>, num_threads, input_and_params.<span class="number">0</span>.len());
|
|
<a href=#464 id=464 data-nosnippet>464</a> <span class="kw">let </span>overlap = hasher.StoreLookahead().wrapping_sub(<span class="number">1</span>);
|
|
<a href=#465 id=465 data-nosnippet>465</a> <span class="kw">if </span>range.end - range.start > overlap {
|
|
<a href=#466 id=466 data-nosnippet>466</a> hasher.BulkStoreRange(
|
|
<a href=#467 id=467 data-nosnippet>467</a> input_and_params.<span class="number">0</span>.slice(),
|
|
<a href=#468 id=468 data-nosnippet>468</a> usize::MAX,
|
|
<a href=#469 id=469 data-nosnippet>469</a> <span class="kw">if </span>range.start > overlap {
|
|
<a href=#470 id=470 data-nosnippet>470</a> range.start - overlap
|
|
<a href=#471 id=471 data-nosnippet>471</a> } <span class="kw">else </span>{
|
|
<a href=#472 id=472 data-nosnippet>472</a> <span class="number">0
|
|
<a href=#473 id=473 data-nosnippet>473</a> </span>},
|
|
<a href=#474 id=474 data-nosnippet>474</a> range.end - overlap,
|
|
<a href=#475 id=475 data-nosnippet>475</a> );
|
|
<a href=#476 id=476 data-nosnippet>476</a> }
|
|
<a href=#477 id=477 data-nosnippet>477</a> });
|
|
<a href=#478 id=478 data-nosnippet>478</a> <span class="kw">if let </span><span class="prelude-val">Err</span>(_e) = res {
|
|
<a href=#479 id=479 data-nosnippet>479</a> <span class="kw">return </span><span class="prelude-val">Err</span>(BrotliEncoderThreadError::OtherThreadPanic);
|
|
<a href=#480 id=480 data-nosnippet>480</a> }
|
|
<a href=#481 id=481 data-nosnippet>481</a> <span class="kw">if </span>thread_index + <span class="number">1 </span>!= num_threads {
|
|
<a href=#482 id=482 data-nosnippet>482</a> {
|
|
<a href=#483 id=483 data-nosnippet>483</a> <span class="kw">let </span>(alloc, out_hasher) = alloc_per_thread[thread_index].unwrap_view_mut();
|
|
<a href=#484 id=484 data-nosnippet>484</a> <span class="kw-2">*</span>out_hasher = hasher.clone_with_alloc(alloc);
|
|
<a href=#485 id=485 data-nosnippet>485</a> }
|
|
<a href=#486 id=486 data-nosnippet>486</a> thread_spawner.spawn(
|
|
<a href=#487 id=487 data-nosnippet>487</a> <span class="kw-2">&mut </span>spawner_and_input,
|
|
<a href=#488 id=488 data-nosnippet>488</a> <span class="kw-2">&mut </span>alloc_per_thread[thread_index],
|
|
<a href=#489 id=489 data-nosnippet>489</a> thread_index,
|
|
<a href=#490 id=490 data-nosnippet>490</a> num_threads,
|
|
<a href=#491 id=491 data-nosnippet>491</a> compress_part,
|
|
<a href=#492 id=492 data-nosnippet>492</a> );
|
|
<a href=#493 id=493 data-nosnippet>493</a> }
|
|
<a href=#494 id=494 data-nosnippet>494</a> }
|
|
<a href=#495 id=495 data-nosnippet>495</a> <span class="kw">let </span>(alloc, _extra) = alloc_per_thread[num_threads - <span class="number">1</span>].replace_with_default();
|
|
<a href=#496 id=496 data-nosnippet>496</a> compression_last_thread_result = spawner_and_input.view(<span class="kw">move </span>|input_and_params:<span class="kw-2">&</span>(SliceW, BrotliEncoderParams)| -> CompressionThreadResult<Alloc> {
|
|
<a href=#497 id=497 data-nosnippet>497</a> compress_part(hasher,
|
|
<a href=#498 id=498 data-nosnippet>498</a> num_threads - <span class="number">1</span>,
|
|
<a href=#499 id=499 data-nosnippet>499</a> num_threads,
|
|
<a href=#500 id=500 data-nosnippet>500</a> input_and_params,
|
|
<a href=#501 id=501 data-nosnippet>501</a> alloc,
|
|
<a href=#502 id=502 data-nosnippet>502</a> )
|
|
<a href=#503 id=503 data-nosnippet>503</a> });
|
|
<a href=#504 id=504 data-nosnippet>504</a> } <span class="kw">else </span>{
|
|
<a href=#505 id=505 data-nosnippet>505</a> <span class="kw">if </span>num_threads > <span class="number">1 </span>{
|
|
<a href=#506 id=506 data-nosnippet>506</a> <span class="kw">for </span>thread_index <span class="kw">in </span><span class="number">1</span>..num_threads - <span class="number">1 </span>{
|
|
<a href=#507 id=507 data-nosnippet>507</a> thread_spawner.spawn(
|
|
<a href=#508 id=508 data-nosnippet>508</a> <span class="kw-2">&mut </span>spawner_and_input,
|
|
<a href=#509 id=509 data-nosnippet>509</a> <span class="kw-2">&mut </span>alloc_per_thread[thread_index],
|
|
<a href=#510 id=510 data-nosnippet>510</a> thread_index,
|
|
<a href=#511 id=511 data-nosnippet>511</a> num_threads,
|
|
<a href=#512 id=512 data-nosnippet>512</a> compress_part,
|
|
<a href=#513 id=513 data-nosnippet>513</a> );
|
|
<a href=#514 id=514 data-nosnippet>514</a> }
|
|
<a href=#515 id=515 data-nosnippet>515</a> }
|
|
<a href=#516 id=516 data-nosnippet>516</a> <span class="kw">let </span>(alloc, _extra) = alloc_per_thread[num_threads - <span class="number">1</span>].replace_with_default();
|
|
<a href=#517 id=517 data-nosnippet>517</a> compression_last_thread_result = spawner_and_input.view(<span class="kw">move </span>|input_and_params:<span class="kw-2">&</span>(SliceW, BrotliEncoderParams)| -> CompressionThreadResult<Alloc> {
|
|
<a href=#518 id=518 data-nosnippet>518</a> compress_part(UnionHasher::Uninit,
|
|
<a href=#519 id=519 data-nosnippet>519</a> num_threads - <span class="number">1</span>,
|
|
<a href=#520 id=520 data-nosnippet>520</a> num_threads,
|
|
<a href=#521 id=521 data-nosnippet>521</a> input_and_params,
|
|
<a href=#522 id=522 data-nosnippet>522</a> alloc,
|
|
<a href=#523 id=523 data-nosnippet>523</a> )
|
|
<a href=#524 id=524 data-nosnippet>524</a> });
|
|
<a href=#525 id=525 data-nosnippet>525</a> }
|
|
<a href=#526 id=526 data-nosnippet>526</a> <span class="kw">let </span><span class="kw-2">mut </span>compression_result = <span class="prelude-val">Err</span>(BrotliEncoderThreadError::InsufficientOutputSpace);
|
|
<a href=#527 id=527 data-nosnippet>527</a> <span class="kw">let </span><span class="kw-2">mut </span>out_file_size = <span class="number">0usize</span>;
|
|
<a href=#528 id=528 data-nosnippet>528</a> <span class="kw">let </span><span class="kw-2">mut </span>bro_cat_li = BroCatli::new();
|
|
<a href=#529 id=529 data-nosnippet>529</a> <span class="kw">for </span>(index, thread) <span class="kw">in </span>alloc_per_thread.iter_mut().enumerate() {
|
|
<a href=#530 id=530 data-nosnippet>530</a> <span class="kw">let </span><span class="kw-2">mut </span>cur_result = <span class="kw">if </span>index + <span class="number">1 </span>== num_threads {
|
|
<a href=#531 id=531 data-nosnippet>531</a> <span class="kw">match </span>mem::replace(<span class="kw-2">&mut </span>compression_last_thread_result, <span class="prelude-val">Err</span>(())) {
|
|
<a href=#532 id=532 data-nosnippet>532</a> <span class="prelude-val">Ok</span>(result) => result,
|
|
<a href=#533 id=533 data-nosnippet>533</a> <span class="prelude-val">Err</span>(_err) => <span class="kw">return </span><span class="prelude-val">Err</span>(BrotliEncoderThreadError::OtherThreadPanic),
|
|
<a href=#534 id=534 data-nosnippet>534</a> }
|
|
<a href=#535 id=535 data-nosnippet>535</a> } <span class="kw">else </span>{
|
|
<a href=#536 id=536 data-nosnippet>536</a> <span class="kw">match </span>mem::replace(
|
|
<a href=#537 id=537 data-nosnippet>537</a> <span class="kw-2">&mut </span>thread.<span class="number">0</span>,
|
|
<a href=#538 id=538 data-nosnippet>538</a> InternalSendAlloc::SpawningOrJoining(PhantomData),
|
|
<a href=#539 id=539 data-nosnippet>539</a> ) {
|
|
<a href=#540 id=540 data-nosnippet>540</a> InternalSendAlloc::A(<span class="kw">_</span>, <span class="kw">_</span>) | InternalSendAlloc::SpawningOrJoining(<span class="kw">_</span>) => {
|
|
<a href=#541 id=541 data-nosnippet>541</a> <span class="macro">panic!</span>(<span class="string">"Thread not properly spawned"</span>)
|
|
<a href=#542 id=542 data-nosnippet>542</a> }
|
|
<a href=#543 id=543 data-nosnippet>543</a> InternalSendAlloc::Join(join) => <span class="kw">match </span>join.join() {
|
|
<a href=#544 id=544 data-nosnippet>544</a> <span class="prelude-val">Ok</span>(result) => result,
|
|
<a href=#545 id=545 data-nosnippet>545</a> <span class="prelude-val">Err</span>(err) => {
|
|
<a href=#546 id=546 data-nosnippet>546</a> <span class="kw">return </span><span class="prelude-val">Err</span>(err);
|
|
<a href=#547 id=547 data-nosnippet>547</a> }
|
|
<a href=#548 id=548 data-nosnippet>548</a> },
|
|
<a href=#549 id=549 data-nosnippet>549</a> }
|
|
<a href=#550 id=550 data-nosnippet>550</a> };
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<a href=#551 id=551 data-nosnippet>551</a> <span class="kw">match </span>cur_result.compressed {
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<a href=#552 id=552 data-nosnippet>552</a> <span class="prelude-val">Ok</span>(compressed_out) => {
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<a href=#553 id=553 data-nosnippet>553</a> bro_cat_li.new_brotli_file();
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<a href=#554 id=554 data-nosnippet>554</a> <span class="kw">let </span><span class="kw-2">mut </span>in_offset = <span class="number">0usize</span>;
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<a href=#555 id=555 data-nosnippet>555</a> <span class="kw">let </span>cat_result = bro_cat_li.stream(
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<a href=#556 id=556 data-nosnippet>556</a> <span class="kw-2">&</span>compressed_out.data_backing.slice()[..compressed_out.data_size],
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<a href=#557 id=557 data-nosnippet>557</a> <span class="kw-2">&mut </span>in_offset,
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<a href=#558 id=558 data-nosnippet>558</a> output,
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<a href=#559 id=559 data-nosnippet>559</a> <span class="kw-2">&mut </span>out_file_size,
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<a href=#560 id=560 data-nosnippet>560</a> );
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<a href=#561 id=561 data-nosnippet>561</a> <span class="kw">match </span>cat_result {
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<a href=#562 id=562 data-nosnippet>562</a> BroCatliResult::Success | BroCatliResult::NeedsMoreInput => {
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<a href=#563 id=563 data-nosnippet>563</a> compression_result = <span class="prelude-val">Ok</span>(out_file_size);
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<a href=#564 id=564 data-nosnippet>564</a> }
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<a href=#565 id=565 data-nosnippet>565</a> BroCatliResult::NeedsMoreOutput => {
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<a href=#566 id=566 data-nosnippet>566</a> compression_result = <span class="prelude-val">Err</span>(BrotliEncoderThreadError::InsufficientOutputSpace);
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<a href=#567 id=567 data-nosnippet>567</a> <span class="comment">// not enough space
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<a href=#568 id=568 data-nosnippet>568</a> </span>}
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<a href=#569 id=569 data-nosnippet>569</a> err => {
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<a href=#570 id=570 data-nosnippet>570</a> compression_result = <span class="prelude-val">Err</span>(BrotliEncoderThreadError::ConcatenationError(err));
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<a href=#571 id=571 data-nosnippet>571</a> <span class="comment">// misc error
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<a href=#572 id=572 data-nosnippet>572</a> </span>}
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<a href=#573 id=573 data-nosnippet>573</a> }
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<a href=#574 id=574 data-nosnippet>574</a> <Alloc <span class="kw">as </span>Allocator<u8>>::free_cell(
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<a href=#575 id=575 data-nosnippet>575</a> <span class="kw-2">&mut </span>cur_result.alloc,
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<a href=#576 id=576 data-nosnippet>576</a> compressed_out.data_backing,
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<a href=#577 id=577 data-nosnippet>577</a> );
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<a href=#578 id=578 data-nosnippet>578</a> }
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<a href=#579 id=579 data-nosnippet>579</a> <span class="prelude-val">Err</span>(e) => {
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<a href=#580 id=580 data-nosnippet>580</a> compression_result = <span class="prelude-val">Err</span>(e);
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<a href=#581 id=581 data-nosnippet>581</a> }
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<a href=#582 id=582 data-nosnippet>582</a> }
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<a href=#583 id=583 data-nosnippet>583</a> thread.<span class="number">0 </span>= InternalSendAlloc::A(cur_result.alloc, UnionHasher::Uninit);
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<a href=#584 id=584 data-nosnippet>584</a> }
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<a href=#585 id=585 data-nosnippet>585</a> compression_result<span class="question-mark">?</span>;
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<a href=#586 id=586 data-nosnippet>586</a> <span class="kw">match </span>bro_cat_li.finish(output, <span class="kw-2">&mut </span>out_file_size) {
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<a href=#587 id=587 data-nosnippet>587</a> BroCatliResult::Success => compression_result = <span class="prelude-val">Ok</span>(out_file_size),
|
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<a href=#588 id=588 data-nosnippet>588</a> err => {
|
|
<a href=#589 id=589 data-nosnippet>589</a> compression_result = <span class="prelude-val">Err</span>(BrotliEncoderThreadError::ConcatenationFinalizationError(
|
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<a href=#590 id=590 data-nosnippet>590</a> err,
|
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<a href=#591 id=591 data-nosnippet>591</a> ))
|
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<a href=#592 id=592 data-nosnippet>592</a> }
|
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<a href=#593 id=593 data-nosnippet>593</a> }
|
|
<a href=#594 id=594 data-nosnippet>594</a> <span class="kw">if let </span><span class="prelude-val">Ok</span>(retrieved_owned_input) = spawner_and_input.unwrap() {
|
|
<a href=#595 id=595 data-nosnippet>595</a> <span class="kw-2">*</span>owned_input = Owned::new(retrieved_owned_input.<span class="number">0</span>); <span class="comment">// return the input to its rightful owner before returning
|
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<a href=#596 id=596 data-nosnippet>596</a> </span>} <span class="kw">else if </span>compression_result.is_ok() {
|
|
<a href=#597 id=597 data-nosnippet>597</a> compression_result = <span class="prelude-val">Err</span>(BrotliEncoderThreadError::OtherThreadPanic);
|
|
<a href=#598 id=598 data-nosnippet>598</a> }
|
|
<a href=#599 id=599 data-nosnippet>599</a> compression_result
|
|
<a href=#600 id=600 data-nosnippet>600</a>}
|
|
</code></pre></div></section></main></body></html> |