* Suren Baghdasaryan: > On Wed, Jul 7, 2021 at 2:47 AM Florian Weimer <fweimer@xxxxxxxxxx> wrote: >> >> * Suren Baghdasaryan: >> >> > The API is as follows, >> > >> > int process_reap(int pidfd, unsigned int flags); >> > >> > DESCRIPTION >> > The process_reap() system call is used to free the memory of a >> > dying process. >> > >> > The pidfd selects the process referred to by the PID file >> > descriptor. >> > (See pidofd_open(2) for further information) >> > >> > The flags argument is reserved for future use; currently, this >> > argument must be specified as 0. >> > >> > RETURN VALUE >> > On success, process_reap() returns 0. On error, -1 is returned >> > and errno is set to indicate the error. >> >> I think the manual page should mention what it means for a process to be >> “dying”, and how to move a process to this state. > > Thanks for the suggestion, Florian! Would replacing "dying process" > with "process which was sent a SIGKILL signal" be sufficient? That explains very clearly the requirement, but it raises the question why this isn't an si_code flag for rt_sigqueueinfo, reusing the existing system call. Thanks, Florian