/usr/lib/node_modules/npm/node_modules/foreground-child/dist/esm/ Current File: //usr/lib/node_modules/npm/node_modules/foreground-child/dist/esm/proxy-signals.js

import { allSignals } from './all-signals.js';
/**
 * Starts forwarding signals to `child` through `parent`.
 */
export const proxySignals = (child) => {
    const listeners = new Map();
    for (const sig of allSignals) {
        const listener = () => {
            // some signals can only be received, not sent
            try {
                child.kill(sig);
                /* c8 ignore start */
            }
            catch (_) { }
            /* c8 ignore stop */
        };
        try {
            // if it's a signal this system doesn't recognize, skip it
            process.on(sig, listener);
            listeners.set(sig, listener);
            /* c8 ignore start */
        }
        catch (_) { }
        /* c8 ignore stop */
    }
    const unproxy = () => {
        for (const [sig, listener] of listeners) {
            process.removeListener(sig, listener);
        }
    };
    child.on('exit', unproxy);
    return unproxy;
};
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