Messages in this thread | | | From | Roland McGrath <> | Subject | Re: s390 && user_enable_single_step() (Was: odd utrace testing results on s390x) | Date | Thu, 7 Jan 2010 13:46:42 -0800 (PST) |
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> Clear the TIF_SINGLE_STEP bit in copy_thread. If the new process is > not auto-attached by the tracer it is wrong to delivere SIGTRAP to > the new process.
The change is right, but this log entry is confusing. "auto-attached" has nothing to do with it, nor does anything about tracing the new process or not. The new process has not experienced a PER trap of its own, so it is wrong to deliver a SIGTRAP that is meant for its creator.
Thanks, Roland
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