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

[Sebastian Huber]

On 21/03/16 13:31, Joel Sherrill wrote:
>
>
> On Mon, Mar 21, 2016 at 1:26 AM, Sebastian Huber 
> <sebastian.huber at embedded-brains.de 
> <mailto: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?

Yes, or Noreturn if you use the appropriate C++ version. Needs 
<sys/cdefs.h>.

-- 
Sebastian Huber, embedded brains GmbH

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