48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
import { spawn } from 'node:child_process';
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import fs from 'node:fs';
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import path from 'node:path';
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import { expandHome } from './expand.js';
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export function spawnUnit(unit, { logDir } = {}) {
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const cwd = expandHome(unit.cwd || process.cwd());
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const cmd = unit.command?.[0];
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if (!cmd) throw new Error(`unit ${unit.id} has no command`);
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const args = unit.command.slice(1);
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fs.mkdirSync(cwd, { recursive: true });
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let stdout = 'ignore';
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let stderr = 'ignore';
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if (logDir) {
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fs.mkdirSync(logDir, { recursive: true });
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const log = fs.openSync(path.join(logDir, `${unit.id}.log`), 'a');
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stdout = log;
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stderr = log;
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}
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const child = spawn(cmd, args, {
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cwd,
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env: { ...process.env, ...(unit.env || {}) },
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detached: true,
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stdio: ['ignore', stdout, stderr],
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});
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child.unref();
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return { pid: child.pid, child };
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}
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export function killPid(pid, signal = 'SIGTERM') {
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if (!pid) return false;
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try {
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process.kill(Number(pid), signal);
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return true;
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} catch {
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return false;
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}
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}
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export function pidAlive(pid) {
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if (!pid) return false;
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try {
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process.kill(Number(pid), 0);
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return true;
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} catch {
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return false;
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}
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}
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