Thanks for your effort on this. Will this commit(7c951fd51832badb09055a8e177f8ec358cbbdcf) be merged into emacs-25? What is the release plan for emacs-25? BR//Zhidong 2017-07-02 4:17 GMT+08:00 Paul Eggert : > On 06/29/2017 09:33 AM, Eli Zaretskii wrote: > >> Paul, isn't it strange that waitpid exits with errno = ECHILD when it >> waits for a specific PID? What can we do against such calamities? >> accept it like we do with EINTR? >> > > It's apparently a bug in macOS and I installed a workaround for it in > master, as commit 7c951fd51832badb09055a8e177f8ec358cbbdcf dated > 2017-05-19. > >