[Bug tapsets/10663] New: SDT semaphore value should not be carried across forks

["jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

When our utrace and uprobes hooks see a newly forked process, we place new
probes on those processes and if relevant we increase the semaphore anew. 
However, the forked process has a copy of the old memory, so the semaphore
already carries a non-zero value.

We should ensure that our existing semaphore claims are removed from a process
that was just forked.

-- 
           Summary: SDT semaphore value should not be carried across forks
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tapsets
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: jistone at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=10663

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