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use random port for profiling ports, #55675

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This commit is contained in:
Johannes Rieken
2018-09-03 13:16:11 +02:00
parent 125d7d9156
commit daf9ca32d9
1 changed files with 7 additions and 7 deletions
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src/vs/code/node/cli.ts
+7 -7
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@@ -14,7 +14,7 @@ import * as paths from 'path';
import * as os from 'os';
import * as fs from 'fs';
import { whenDeleted } from 'vs/base/node/pfs';
import { findFreePort } from 'vs/base/node/ports';
import { findFreePort, randomPort } from 'vs/base/node/ports';
import { resolveTerminalEncoding } from 'vs/base/node/encoding';
import * as iconv from 'iconv-lite';
import { writeFileAndFlushSync } from 'vs/base/node/extfs';
@@ -251,13 +251,13 @@ export async function main(argv: string[]): Promise<any> {
// to get better profile traces. Last, we listen on stdout for a signal that tells us to
// stop profiling.
if (args['prof-startup']) {
const portMain = await findFreePort(9222, 10, 6000);
const portRenderer = await findFreePort(portMain + 1, 10, 6000);
const portExthost = await findFreePort(portRenderer + 1, 10, 6000);
const portMain = await findFreePort(randomPort(), 10, 3000);
const portRenderer = await findFreePort(portMain + 1, 10, 3000);
const portExthost = await findFreePort(portRenderer + 1, 10, 3000);
if (!portMain || !portRenderer || !portExthost) {
console.error('Failed to find free ports for profiler to connect to do.');
return;
// fail the operation when one of the ports couldn't be accquired.
if (portMain * portRenderer * portExthost === 0) {
throw new Error('Failed to find free ports for profiler. Make sure to shutdown all instances of the editor first.');
}
const filenamePrefix = paths.join(os.homedir(), Math.random().toString(16).slice(-4));