[PATCH roland/waitpid] Fix __waitpid_nocancel link error

[Steve Ellcey]

On Fri, 2014-05-16 at 14:02 -0700, Roland McGrath wrote:
> 
> This is unrelated to fork.  It is due to my not-cancel.h change.  
> I think the following patch will fix it.  Can you verify that?
> (You can just use 'git checkout roland/waitpid' if you are otherwise
> using unmodified trunk.)
> 
> 
> Thanks,
> Roland
> 
> 
> 	* sysdeps/unix/sysv/linux/not-cancel.h (waitpid_not_cancel):
> 	Use wait4 regardless of [__NR_waitpid].
> 
> --- a/sysdeps/unix/sysv/linux/not-cancel.h
> +++ b/sysdeps/unix/sysv/linux/not-cancel.h
> @@ -83,13 +83,8 @@ extern int __openat64_nocancel (int fd, const char *fname, int oflag,
>    __fcntl_nocancel (fd, cmd, val)
>  
>  /* Uncancelable waitpid.  */
> -#ifdef __NR_waitpid
> -# define waitpid_not_cancel(pid, stat_loc, options) \
> -  __waitpid_nocancel (pid, stat_loc, options)
> -#else
> -# define waitpid_not_cancel(pid, stat_loc, options) \
> +#define waitpid_not_cancel(pid, stat_loc, options) \
>    INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL)
> -#endif
>  
>  /* Uncancelable pause.  */
>  #define pause_not_cancel() \


I applied this patch and my MIPS build worked.

Steve Ellcey
sellcey@mips.com