Fix declaration of pthread_rwlock_* functions

[Corinna Vinschen]

On May 30 16:28, Ken Brown wrote:
> The attached patch fixes the second problem reported in
> https://cygwin.com/ml/cygwin/2018-05/msg00316.html, though I'm not sure it's
> the right fix.
> 
> Ken

> From 4940baac08cd9339d771d9db90a880c61610ae4c Mon Sep 17 00:00:00 2001
> From: Ken Brown <kbrown@cornell.edu>
> Date: Wed, 30 May 2018 16:19:01 -0400
> Subject: [PATCH] Declare the pthread_rwlock_* functions if __cplusplus >=
>  201402L
> 
> Some of these functions are used in the <shared_mutex> C++ header.
> ---
>  winsup/cygwin/include/pthread.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/winsup/cygwin/include/pthread.h b/winsup/cygwin/include/pthread.h
> index 3dfc2bc80..fed616532 100644
> --- a/winsup/cygwin/include/pthread.h
> +++ b/winsup/cygwin/include/pthread.h
> @@ -187,7 +187,7 @@ int pthread_spin_unlock (pthread_spinlock_t *);
>  #endif
>  
>  /* RW Locks */
> -#if __XSI_VISIBLE >= 500 || __POSIX_VISIBLE >= 200112
> +#if __XSI_VISIBLE >= 500 || __POSIX_VISIBLE >= 200112 || __cplusplus >= 201402L
>  int pthread_rwlock_destroy (pthread_rwlock_t *rwlock);
>  int pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr);
>  int pthread_rwlock_rdlock (pthread_rwlock_t *rwlock);
> -- 
> 2.17.0
> 

Pushed.  Any text for winsup/cygwin/release/2.10.1, perhaps?


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat
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