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signals and exception handlers

Hi,
Is it possible to do a throw from a signal handler
My attempts have resulted in a core dump on

Linux  2.2.14-5.0 using gcc RH6.2
gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)

http://clerk.cc.purdue.edu/doc_link/en_US/other_docs/vacpp/proguide/ref/rviexshc.htm
I read here "Do not use a C++ throw to exit an asynchronous signal handler. "
I face the same result for a synchronous signal handler (SIGALRM)

Thanks

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