On Tue, Jul 7, 2020 at 12:12 AM Jesper Dangaard Brouer <brouer@xxxxxxxxxx> wrote: > > This patchset makes it easier to use test_progs from shell scripts, by using > proper shell exit codes. The process's exit status should be a number > between 0 and 255 as defined in man exit(3) else it will be masked to comply. > > Shell exit codes used by programs should be below 127. As 127 and above are > used for indicating signals. E.g. 139 means 11=SIGSEGV $((139 & 127))=11. > POSIX defines in man wait(3p) signal check if WIFSIGNALED(STATUS) and > WTERMSIG(139)=11. (Hint: cmd 'kill -l' list signals and their numbers). > > Using Segmentation fault as an example, as these have happened before with > different tests (that are part of test_progs). CI people writing these > shell-scripts could pickup these hints and report them, if that makes sense. > > --- > > Jesper Dangaard Brouer (2): > selftests/bpf: test_progs use another shell exit on non-actions > selftests/bpf: test_progs avoid minus shell exit codes > > > tools/testing/selftests/bpf/test_progs.c | 13 ++++++++----- > 1 file changed, 8 insertions(+), 5 deletions(-) > > -- > For the series: Acked-by: Andrii Nakryiko <andriin@xxxxxx> My preference was shorter EXIT_ERR_SETUP, but it doesn't matter.