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x/is/running.ts

Detect the running environment and context of the current script
justjavac/deno-is
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// see: http://man7.org/linux/man-pages/man2/kill.2.html
/** * Return `true` if the given PID is running. * * Requires the `--allow-run` flag. */export async function isRunning(pid: number): Promise<boolean> {  try {    Deno.kill(pid, Deno.Signal.SIGURG);    return true;  } catch (e) {    return (      e.name === "PermissionDenied" || e.message !== "ESRCH: No such process"    );  }}
/** * Return `true` if the given PID is running synchronously. * * Requires the `--allow-run` flag. */export function isRunningSync(pid: number): boolean {  try {    Deno.kill(pid, Deno.Signal.SIGURG);    return true;  } catch (e) {    return (      e.name === "PermissionDenied" || e.message !== "ESRCH: No such process"    );  }}