Messages in this thread | | | Subject | Re: [PATCH] ftracetest: Don't use non-POSIX exit -1 | From | Michael Ellerman <> | Date | Thu, 05 Mar 2015 13:56:02 +1100 |
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On Wed, 2015-03-04 at 21:26 -0500, Steven Rostedt wrote: > On Thu, 5 Mar 2015 13:04:02 +1100 > Michael Ellerman <mpe@ellerman.id.au> wrote: > > > POSIX says that exit takes an unsigned integer between 0 and 255. > > > > Convert exit -1 to exit 255. > > > > Why 255? Why not just exit 1?
I was trying to emulate the current behaviour:
$ /bin/bash $ exit -1 exit $ echo $? 255
> Actually, don't we have explicit numbers for exit status? > > /me not looking at the code right now to figure that out.
Yeah looks like it, and some interesting signal handling tricks:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/ftrace/ftracetest#n123
I'll send a new version using "exit $FAIL" ?
cheers
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