On March 30, 2019 5:09:10 PM GMT+01:00, Linus Torvalds <torva...@linux-foundation.org> wrote: >On Fri, Mar 29, 2019 at 8:54 AM Christian Brauner ><christ...@brauner.io> wrote: >> >> /* Introduction */ >> This adds the pidfd_open() syscall. >> pidfd_open() allows to retrieve file descriptors for a given pid. >This >> includes both file descriptors for processes and file descriptors for >> threads. > >I'm ok with the pidfd_open() call to just get a pidfd, but that
From pure API perspective that's all I care about: independence of procfs. Once we have pidfd_open() we can cleanly signal threads etc. >"pidfd_to_profs()" needs to go away. > >If you want to open the /proc/<pid>/status file, then just do that. >This whole "do one and convert to the other" needs to die. No, no, no. > > Linus
