Rewrite IO for Bun.file()

[Jarred-Sumner]

What does this PR do?

Use epoll instead of io_uring for Bun.file()

• Fixes file() or file.text() not working? #5960
• Fixes Bun with Elysia SIGHUP when reading file #4879
• Fixes bun run does not work with docker volume mount #2725
• Fixes Bun.file(path).text() throws error: EBADF #1446
• Fixes EBADF: Bad file descriptor on Ubuntu (Bun.file) #5797
• Fixes Bad file descriptor on files that exist (Bun.file(path)) #4798
• Fixes Bun Elysia docker Image works fine on local but deployment fails silently on digital ocean #7322
• Fixes (await Bun.file(...)).text() crashes on existent but empty files on some filesystems #4603
• Fixes System does not support io_uring #785
• Fixes bun run fails in docker ubuntu: script "build" exited with code 1 (SIGHUP) #5007

Probably fixes:

• Docker container exits with code 137 #5507

How did you verify your code works?

Existing tests + manual

[paperdave]

you should link to where you got this from (https://github.com/mitchellh/libxev/blob/main/src/heap.zig)

[github-actions]

❌ @cirospaciari 11 files with test failures on bun-darwin-x64:

• test/cli/run/env.test.ts
• test/js/bun/spawn/spawn-streaming-stdout.test.ts
• test/js/bun/util/which.test.ts
• test/js/node/fs/fs.test.ts
• test/js/node/watch/fs.watchFile.test.ts
• test/js/third_party/grpc-js/test-channel-credentials.test.ts
• test/js/third_party/grpc-js/test-client.test.ts
• test/js/third_party/grpc-js/test-idle-timer.test.ts
• test/js/third_party/grpc-js/test-retry.test.ts
• test/js/third_party/webpack/webpack.test.ts
• test/js/web/timers/setTimeout.test.js

View test output

^{#3deb58a80f862343748783e2158db3372da1e6c0}

[github-actions]

❌ @cirospaciari 9 files with test failures on bun-darwin-x64-baseline:

• test/cli/run/env.test.ts
• test/js/bun/spawn/spawn-streaming-stdout.test.ts
• test/js/bun/util/filesink.test.ts
• test/js/bun/util/which.test.ts
• test/js/node/fs/fs.test.ts
• test/js/node/watch/fs.watchFile.test.ts
• test/js/third_party/prompts/prompts.test.ts
• test/js/third_party/webpack/webpack.test.ts
• test/js/web/timers/setTimeout.test.js

View test output

^{#3deb58a80f862343748783e2158db3372da1e6c0}

[github-actions]

❌ @cirospaciari 4 files with test failures on bun-darwin-aarch64:

• test/cli/run/env.test.ts
• test/cli/run/require-cache.test.ts
• test/js/web/fetch/body-stream.test.ts
• test/js/web/worker.test.ts

View test output

^{#3deb58a80f862343748783e2158db3372da1e6c0}

[github-actions]

❌ @cirospaciari 2 files with test failures on linux-x64-baseline:

• test/cli/run/env.test.ts
• test/integration/next/default-pages-dir/test/next-build.test.ts

View test output

^{#3deb58a80f862343748783e2158db3372da1e6c0}

[github-actions]

❌ @cirospaciari 1 files with test failures on linux-x64:

• test/cli/run/env.test.ts

View test output

^{#3deb58a80f862343748783e2158db3372da1e6c0}