https://nodejs.org/api/child_process.html#child_process_subprocess_send_message_sendhandle_options_callback describes the meaning of the boolean return. It should be described in https://nodejs.org/api/cluster.html#cluster_worker_send_message_sendhandle_callback and https://nodejs.org/api/process.html#process_process_send_message_sendhandle_options_callback but is not. reported in https://github.com/nodejs/node/issues/26937#issuecomment-478079356 <!-- Thank you for reporting a possible bug in Node.js. Please fill in as much of the template below as you can. Version: output of `node -v` Platform: output of `uname -a` (UNIX), or version and 32 or 64-bit (Windows) Subsystem: if known, please specify the affected core module name If possible, please provide code that demonstrates the problem, keeping it as simple and free of external dependencies as you can. --> * **Version**: all * **Platform**: n/a * **Subsystem**: process, cluster <!-- Please provide more details below this comment. -->
https://nodejs.org/api/child_process.html#child_process_subprocess_send_message_sendhandle_options_callback describes the meaning of the boolean return.
It should be described in https://nodejs.org/api/cluster.html#cluster_worker_send_message_sendhandle_callback and
https://nodejs.org/api/process.html#process_process_send_message_sendhandle_options_callback but is not.
reported in #26937 (comment)