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Subject: RE: svn commit: r565959 -
 /incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp
Date: Fri, 17 Aug 2007 04:13:49 -0600
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Thread-Topic: svn commit: r565959 -
 /incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp
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From: "Travis Vitek" <tvitek@quovadx.com>
To: <stdcxx-dev@incubator.apache.org>

=20

>Martin Sebor wrote:=20
>
>Travis Vitek wrote:
>> Martin,
>>=20
>> I'm not sure if you're aware, but I don't believe that the=20
>> destructors for stack objects inside the C functions will
>> be called. I know that this is the case for MSVC7/8. This
>> isn't an issue for your testcase, but it may be an issue
>> for the functions invoked by __rw_once.
>
>Interesting! I didn't know about this limitation. It's something
>we need to keep in mind when writing the initialization functions.
>Perhaps the solution will be to require the initialization function
>to have the empty exception specification. That way we could rely
>on the compiler to detect initialization functions that can throw.
>

I just found out that the /Ehc flag enables the nothrow default
for C linkage functions. So changing the /EHsc flag to /EHs will
fix this for both VC7 and 8.

Travis