tree d5dff717fb89610f936eb40aee5612166baf21f2
parent 5b701c66a808d5b80436c71cc9ce8576ad3dfda6
author Adriana Kobylak <anoo@us.ibm.com> 1537548642 -0500
committer Adriana Kobylak <anoo@us.ibm.com> 1537558164 -0500

exception: Add .get_errno() method

Add the .get_errno() method to provide the errno value from SdBusError.

Closes openbmc/sdbusplus#22

Tested: Added check for the new method to the exception
unit test suite. Also verified external callers get the right
errno value with:
    catch (const SdBusError& e)
    {
        int errno = e.get_errno());
    }

Change-Id: Idddfa7f1bd9cfabfaf89e4d6c83146b4b9af211f
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>