SSL: silenced warnings when building with OpenSSL 3.0. The OPENSSL_SUPPRESS_DEPRECATED macro is used to suppress deprecation warnings. This covers Session Tickets keys, SSL Engine, DH low level API for DHE ciphers. Unlike OPENSSL_API_COMPAT, it works well with OpenSSL built with no-deprecated. In particular, it doesn't unhide various macros in OpenSSL includes, which are meant to be hidden under OPENSSL_NO_DEPRECATED.

/*
 * Copyright (C) Ruslan Ermilov
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_RWLOCK_H_INCLUDED_
#define _NGX_RWLOCK_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>


void ngx_rwlock_wlock(ngx_atomic_t *lock);
void ngx_rwlock_rlock(ngx_atomic_t *lock);
void ngx_rwlock_unlock(ngx_atomic_t *lock);
void ngx_rwlock_downgrade(ngx_atomic_t *lock);


#endif /* _NGX_RWLOCK_H_INCLUDED_ */