[PATCH 3/5] libstdthreads/thrd.c: Mark path as unreachable on GCC to resolve warning

[Joel Sherrill]

On Mon, Mar 21, 2016 at 1:26 AM, Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

>
>
> On 20/03/16 21:40, Joel Sherrill wrote:
>
>> ---
>>   cpukit/libstdthreads/thrd.c | 3 +++
>>   1 file changed, 3 insertions(+)
>>
>> diff --git a/cpukit/libstdthreads/thrd.c b/cpukit/libstdthreads/thrd.c
>> index c2e439f..cc2d20f 100644
>> --- a/cpukit/libstdthreads/thrd.c
>> +++ b/cpukit/libstdthreads/thrd.c
>> @@ -96,6 +96,9 @@ thrd_exit(int res)
>>   {
>>         pthread_exit((void *)(intptr_t)res);
>> +       #if defined(__GNUC__)
>> +               __builtin_unreachable();
>> +       #endif
>>   }
>>     int
>>
>
> We should fix the pthread_exit() declaration instead, e.g. FreeBSD has
> this:
>
> void          pthread_exit(void *) __dead2;
>
> Does that map to gcc noreturn? And does newlib have that?

--joel
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