adding noreturn attribute to pthread_exit

[Christopher Faylor]

On Mon, Jan 14, 2013 at 09:55:38PM +0100, Antti Kantee wrote:
>Hi,
>
>Calling pthread_exit() at the end of a routine marked noreturn produces 
>a compiler warning/error on cygwin:
>
>error: 'noreturn' function does return
>
>Is it possible to add the attribute to the cygwin pthread.h:
>
>--- pthread.h.orig      2012-10-19 14:40:13.000000000 +0200
>+++ pthread.h   2013-01-14 21:40:00.018198900 +0100
>@@ -137,7 +137,7 @@
>                     void *(*)(void *), void *);
>  int pthread_detach (pthread_t);
>  int pthread_equal (pthread_t, pthread_t);
>-void pthread_exit (void *);
>+void pthread_exit (void *) __attribute__((__noreturn__));
>  int pthread_getcpuclockid (pthread_t, clockid_t *);
>  int pthread_getschedparam (pthread_t, int *, struct sched_param *);
>  void *pthread_getspecific (pthread_key_t);

I added a ChangeLog entry and checked this in.

Thanks for the patch.

cgf

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