[ECOS] On ecos exception process

[zhlg_shuhan <zhlg_shuhan at sina dot com>]

Dear Nickg,
    I foud  exception delivered from current thread to others thread was not processed, and call flow as following:
  cyg_hal_default_exception_vsr()
             |
 cyg_hal_exception_handler()
             |
 cyg_hal_deliver_exception()
             |
 cyg_Thread::self->deliver_exception()

question is:
   which stack,current thread or interrupt stack, was execption  processed in ? if in interrupt stack,  why deliver exception to a thread? otherwise,if in current thread stack,why not current thread processes all exceptions?
    tks&regard

                                                     zhlg

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