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feat(unstable): add Deno.fdatasyncSync and fdatasync (#6403)

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Casper Beyer 2020-06-26 20:36:35 +08:00 • committed by GitHub
parent ed0b1d4627
commit e278c90d8a
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5 changed files with 112 additions and 1 deletions
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2
cli/js/deno_unstable.ts
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@ -5,7 +5,7 @@
export { umask } from "./ops/fs/umask.ts";
export { linkSync, link } from "./ops/fs/link.ts";
export { fstatSync, fstat } from "./ops/fs/stat.ts";
export { fsyncSync, fsync } from "./ops/fs/sync.ts";
export { fdatasyncSync, fdatasync, fsyncSync, fsync } from "./ops/fs/sync.ts";
export { symlinkSync, symlink } from "./ops/fs/symlink.ts";
export { loadavg, osRelease, hostname } from "./ops/os.ts";
export { openPlugin } from "./ops/plugins.ts";

22
cli/js/lib.deno.unstable.d.ts vendored
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@ -1119,6 +1119,28 @@ declare namespace Deno {
*/
export function ftruncate(rid: number, len?: number): Promise<void>;
/* **UNSTABLE**: New API, yet to be vetted.
* Synchronously flushes any pending data operations of the given file stream to disk.
* ```ts
* const file = Deno.openSync("my_file.txt", { read: true, write: true, create: true });
* Deno.writeSync(file.rid, new TextEncoder().encode("Hello World"));
* Deno.fdatasyncSync(file.rid);
* console.log(new TextDecoder().decode(Deno.readFileSync("my_file.txt"))); // Hello World
* ```
*/
export function fdatasyncSync(rid: number): void;
/** **UNSTABLE**: New API, yet to be vetted.
* Flushes any pending data operations of the given file stream to disk.
* ```ts
* const file = await Deno.open("my_file.txt", { read: true, write: true, create: true });
* await Deno.write(file.rid, new TextEncoder().encode("Hello World"));
* await Deno.fdatasync(file.rid);
* console.log(new TextDecoder().decode(await Deno.readFile("my_file.txt"))); // Hello World
* ```
*/
export function fdatasync(rid: number): Promise<void>;
/** **UNSTABLE**: New API, yet to be vetted.
* Synchronously flushes any pending data and metadata operations of the given file stream to disk.
* ```ts

8
cli/js/ops/fs/sync.ts
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@ -1,6 +1,14 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "../dispatch_json.ts";
export function fdatasyncSync(rid: number): void {
sendSync("op_fdatasync", { rid });
}
export async function fdatasync(rid: number): Promise<void> {
await sendAsync("op_fdatasync", { rid });
}
export function fsyncSync(rid: number): void {
sendSync("op_fsync", { rid });
}