On 3/27/20 11:42 PM, Vineet Gupta via Libc-alpha wrote:
>>> +++ b/sysdeps/arc/Versions
>>> @@ -0,0 +1,6 @@
>>> +libc {
>>> + GLIBC_2.32 {
>>> + __syscall_error;
>>
>> Why does __syscall_error need a public symbol version? If it's used by a
>> library other than libc, that means it needs to be exported at some symbol
>> version - but it only needs a public version (as opposed to GLIBC_PRIVATE)
>> if it might be used by user programs linked with glibc (if it's used in
>> crt*.o, lib*_nonshared.a, or inline functions in installed headers, for
>> example - or in libgcc.a, libstdc++.a, etc. (GCC static libraries)).
>
> We'll historically I've preferred an out-of-line errno setter in the syscall
> wrappers and those are used in libpthread et all as well but not expected to
> be
> used by user programs. See my sysdeps.h
Ok so this will not be called directly from user programs, but indeed could end
up
in non shared libs and/or inline functions in headers, so I suppose this is
fine ?
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