On Tue, Jul 01, 2025 at 08:35:11AM +0200, Jesse Rosenstock wrote: > A reasonable alternative would be to interpret just `taskset` (currently > an error) as printing the current mask. This seems less orthogonal, > and a better use may be found for plain `taskset` in the future. Unfortunately, all schedutils have an odd command-line semantic. > case 'p': > - pid = strtopid_or_err(argv[argc - 1], > _("invalid PID argument")); > + /* > + * Like strtopid_or_err() but accept 0 for this process, > + * like sched_getaffinity()/sched_setaffinity() do. > + */ > + pid = (pid_t) str2num_or_err( > + argv[argc - 1], 10, _("invalid PID argument"), > + 0, SINT_MAX(pid_t)); chrt uses: /* strtopid_or_err() is not suitable here; 0 can be passed.*/ ctl->pid = strtos32_or_err(argv[argc - 1], _("invalid PID argument")); would be this enough? > + if (pid == 0) > + pid = getpid(); Yes, this is probably better than make many other changes to the code. Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com