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doc/api
- fs.md
src
- node_constants.cc
test/parallel
- test-fs-constants.js

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`‎doc/api/fs.md‎`

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+27-1Lines changed: 27 additions & 1 deletion

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Original file line number	Diff line number	Diff line change
@@ -8728,10 +8728,36 @@ The following constants are meant for use with `fs.open()`.
`8728`	`8728`	`is available on Windows operating systems only. On other operating systems,`
`8729`	`8729`	`this flag is ignored.</td>`
`8730`	`8730`	`</tr>`
	`8731`	`+ <tr>`
	`8732`	`+ <td><code>UV_FS_O_TEMPORARY</code></td>`
	`8733`	`+ <td>When set, the file is deleted automatically when the last handle to it`
	`8734`	`+ is closed. This flag is available on Windows operating systems only. On`
	`8735`	`+ other operating systems, this flag is ignored.</td>`
	`8736`	`+ </tr>`
	`8737`	`+ <tr>`
	`8738`	`+ <td><code>UV_FS_O_SHORT_LIVED</code></td>`
	`8739`	`+ <td>Hint that the file is short-lived, so the system avoids flushing it to`
	`8740`	`+ disk when possible. This flag is available on Windows operating systems`
	`8741`	`+ only. On other operating systems, this flag is ignored.</td>`
	`8742`	`+ </tr>`
	`8743`	`+ <tr>`
	`8744`	`+ <td><code>UV_FS_O_SEQUENTIAL</code></td>`
	`8745`	`+ <td>Hint that the file is accessed sequentially from beginning to end, to`
	`8746`	`+ optimize caching. This flag is available on Windows operating systems only.`
	`8747`	`+ On other operating systems, this flag is ignored.</td>`
	`8748`	`+ </tr>`
	`8749`	`+ <tr>`
	`8750`	`+ <td><code>UV_FS_O_RANDOM</code></td>`
	`8751`	`+ <td>Hint that the file is accessed randomly, to optimize caching. This flag`
	`8752`	`+ is available on Windows operating systems only. On other operating systems,`
	`8753`	`+ this flag is ignored.</td>`
	`8754`	`+ </tr>`
`8731`	`8755`	`</table>`
`8732`	`8756`
`8733`	`8757`	On Windows, only `O_APPEND`, `O_CREAT`, `O_EXCL`, `O_RDONLY`, `O_RDWR`,
`8734`		-`O_TRUNC`, `O_WRONLY`, and `UV_FS_O_FILEMAP` are available.
	`8758`	+`O_TRUNC`, `O_WRONLY`, `UV_FS_O_FILEMAP`, `UV_FS_O_TEMPORARY`,
	`8759`	+`UV_FS_O_SHORT_LIVED`, `UV_FS_O_SEQUENTIAL`, and `UV_FS_O_RANDOM` are
	`8760`	`+available.`
`8735`	`8761`
`8736`	`8762`	`##### File type constants`
`8737`	`8763`

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`‎src/node_constants.cc‎`

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+6-1Lines changed: 6 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1137,7 +1137,12 @@ void DefineFsConstants(Local<Object> target) {`
`1137`	`1137`	`NODE_DEFINE_CONSTANT(target, O_EXCL);`
`1138`	`1138`	`#endif`
`1139`	`1139`
`1140`		`-NODE_DEFINE_CONSTANT(target, UV_FS_O_FILEMAP);`
	`1140`	`+ // Windows-only open flags honored by libuv. They are 0 on other platforms.`
	`1141`	`+ NODE_DEFINE_CONSTANT(target, UV_FS_O_FILEMAP);`
	`1142`	`+ NODE_DEFINE_CONSTANT(target, UV_FS_O_TEMPORARY);`
	`1143`	`+ NODE_DEFINE_CONSTANT(target, UV_FS_O_SHORT_LIVED);`
	`1144`	`+ NODE_DEFINE_CONSTANT(target, UV_FS_O_SEQUENTIAL);`
	`1145`	`+ NODE_DEFINE_CONSTANT(target, UV_FS_O_RANDOM);`
`1141`	`1146`
`1142`	`1147`	`#ifdef O_NOCTTY`
`1143`	`1148`	`NODE_DEFINE_CONSTANT(target, O_NOCTTY);`

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`‎test/parallel/test-fs-constants.js‎`

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+4Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,10 @@ const knownFsConstantNames = [`
`35`	`35`	`'O_CREAT',`
`36`	`36`	`'O_EXCL',`
`37`	`37`	`'UV_FS_O_FILEMAP',`
	`38`	`+ 'UV_FS_O_TEMPORARY',`
	`39`	`+ 'UV_FS_O_SHORT_LIVED',`
	`40`	`+ 'UV_FS_O_SEQUENTIAL',`
	`41`	`+ 'UV_FS_O_RANDOM',`
`38`	`42`	`'O_NOCTTY',`
`39`	`43`	`'O_TRUNC',`
`40`	`44`	`'O_APPEND',`

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