fix: release on abort signal handler

relates google/zx#881

src/main/ts/spawn.ts

@@ -184,11 +184,7 @@ export const invoke = (c: TSpawnCtxNormalized): TSpawnCtxNormalized => {
  let error: any = null
  const opts = buildSpawnOpts(c)
  const child = c.spawn(c.cmd, c.args, opts)
- c.child = child
-
- c.ee.emit('start', child, c)
-
- opts.signal?.addEventListener('abort', event => {
+ const onAbort = (event: any) => {
  if (opts.detached && child.pid) {
  try {
  // https://github.com/nodejs/node/issues/51766
@@ -198,7 +194,13 @@ export const invoke = (c: TSpawnCtxNormalized): TSpawnCtxNormalized => {
  }
  }
  c.ee.emit('abort', event, c)
- })
+ opts.signal.removeEventListener('abort', onAbort)
+ }
+ c.child = child
+
+ c.ee.emit('start', child, c)
+
+ opts.signal?.addEventListener('abort', onAbort)
  processInput(child, c.input || c.stdin)
 
  child.stdout?.on('data', d => {