Hi Christian, just fyi, can't read this patch till Monday
On 07/26, Christian Brauner wrote: > Hey everyone, > > /* v1 */ > This adds the ability to wait on processes using pidfds. This is one of > the few missing pieces to make it possible to manage processes using > only pidfds. > > Please note the following major changes (More details can be found in > the individual commit changelogs.): > - Add the new type P_PIDFD to waitid() instead of a new dedicated > pidfd_wait() syscall. > This is the same approach we discussed a few months ago and still > prefer over adding a dedicated syscall. > - Adapt the tests to the new type P_PIDFD for waitid(). > - Remove struct waitid_info patch. > This will be sent out as a separate patch. > - Remove CLONE_WAIT_PID patch. > This will be sent out as a separate patch. > > The core patch for waitid is pleasantly small. The largest change is > caused by adding proper tests for waitid(P_PIDFD). > > /* v0 */ > Link: https://lore.kernel.org/lkml/[email protected] > > Thanks! > Christian > > Christian Brauner (2): > pidfd: add P_PIDFD to waitid() > pidfd: add pidfd_wait tests > > include/linux/pid.h | 4 + > include/uapi/linux/wait.h | 1 + > kernel/exit.c | 25 ++- > kernel/fork.c | 8 + > kernel/signal.c | 7 +- > tools/testing/selftests/pidfd/pidfd.h | 25 +++ > tools/testing/selftests/pidfd/pidfd_test.c | 14 -- > tools/testing/selftests/pidfd/pidfd_wait.c | 245 +++++++++++++++++++++ > 8 files changed, 311 insertions(+), 18 deletions(-) > create mode 100644 tools/testing/selftests/pidfd/pidfd_wait.c > > -- > 2.22.0 >
