Uncaught Error: kill EPERM

[Enter steps to reproduce:]

1. ...
2. ...

**Atom**: 1.33.0 x64
**Electron**: 2.0.11
**OS**: Unknown Windows version
**Thrown From**: [pigments](https://github.com/abe33/atom-pigments) package 0.40.2

### Stack Trace

Uncaught Error: kill EPERM

```
At events.js:183

Error: kill EPERM
at _errnoException (util.js:1024:11)
at ChildProcess.kill (internal/child_process.js:395:26)
at Task.t.exports.Task.terminate (~/AppData/Local/atom/app-1.33.0/resources/app/static/:14:38077)
at ColorBuffer.module.exports.ColorBuffer.terminateRunningTask (/packages/pigments/lib/color-buffer.coffee:166:35)
at /packages/pigments/lib/color-buffer.coffee:33:8
at Function.simpleDispatch (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:1190583)
at Emitter.emit (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:1192024)
at disposables.add.displayLayer.onDidChange.e (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:6510)
at Function.simpleDispatch (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:1190583)
at Emitter.emit (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:1192024)
at DisplayLayer.emitDeferredChangeEvents (~/AppData/Local/atom/app-1.33.0/resources/app/static/:14:91875)
at TextBuffer.emitDidChangeTextEvent (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:504112)
at TextBuffer.transact (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:492131)
at TextEditor.transact (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:24215)
at TextEditor.moveCursors (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:33112)
at TextEditor.setCursorScreenPosition (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:30265)
at TextEditorComponent.didMouseDownOnContent (~/AppData/Local/atom/app-1.33.0/resources/app/static/:11:95794)
```

### Commands

```
-2:51.7.0 docblockr:parse-enter (input.hidden-input)
-2:51.7.0 editor:newline (input.hidden-input)
-2:50.8.0 intentions:highlight (input.hidden-input)
-2:50.6.0 core:paste (input.hidden-input)
-2:02.8.0 intentions:highlight (input.hidden-input)
-2:02.5.0 core:paste (input.hidden-input)
-2:00.6.0 intentions:highlight (input.hidden-input)
-2:00.4.0 core:undo (input.hidden-input)
-1:58.1.0 intentions:highlight (input.hidden-input)
-1:57.8.0 core:paste (input.hidden-input)
2x -1:53.5.0 core:backspace (input.hidden-input)
-0:56.5.0 intentions:highlight (input.hidden-input)
-0:56.2.0 core:save (input.hidden-input)
-0:25.8.0 intentions:highlight (input.hidden-input)
-0:25.3.0 editor:toggle-line-comments (input.hidden-input)
-0:24.6.0 core:save (input.hidden-input)
```

### Non-Core Packages

```
atom-beautify 0.33.4
atom-i18n 0.16.2
atom-live-server 2.3.0
atom-runner 2.7.1
atom-sass 0.4.0
atom-terminal 0.8.0
autocomplete-modules 2.2.6
busy-signal 1.4.3
color-picker 2.3.0
css-snippets 1.1.0
docblockr 0.13.7
editorconfig 2.2.2
file-icons 2.1.26
git-control 0.9.0
git-plus 8.2.1
gitlab 0.1.3-7
highlight-selected 0.14.0
html-to-css 0.2.2
ide-css 0.3.2
intentions 1.1.5
language-babel 2.85.0
language-postcss 1.3.1
linter 2.0.0
linter-eslint 8.4.1
linter-ui-default 1.7.1
markdown-preview-plus 3.7.1
merge-conflicts 1.4.5
minimap 4.29.9
minimap-highlight-selected 4.6.1
open-html-in-browser 0.2.1
open-in-browser 0.5.2
open-in-browsers 0.0.30
pigments 0.40.2
project-manager 3.3.6
tree-view-git-status 1.5.2
```

錯誤源自 color-buffer.coffee 的第 166 行，其中工作終止在 Windows 上因 kill EPERM 而失敗。首先檢查 ColorBuffer.terminateRunningTask 方法以及底層的 Task.terminate 呼叫。查看子程序如何產生和終止，尤其是在 Windows 上。檢查程序是否已經終止，或權限是否不足。執行 package 中與 color buffer 生命週期相關的測試，有助於重現問題並驗證修正方案。

由索引模型根據 Issue 內容生成。