xref: /f-stack/app/nginx-1.16.1/src/core/ngx_rwlock.h (revision 3da8d17d) 
1 
2 /*
3  * Copyright (C) Ruslan Ermilov
4  * Copyright (C) Nginx, Inc.
5  */
6 
7 
8 #ifndef _NGX_RWLOCK_H_INCLUDED_
9 #define _NGX_RWLOCK_H_INCLUDED_
10 
11 
12 #include <ngx_config.h>
13 #include <ngx_core.h>
14 
15 
16 void ngx_rwlock_wlock(ngx_atomic_t *lock);
17 void ngx_rwlock_rlock(ngx_atomic_t *lock);
18 void ngx_rwlock_unlock(ngx_atomic_t *lock);
19 void ngx_rwlock_downgrade(ngx_atomic_t *lock);
20 
21 
22 #endif /* _NGX_RWLOCK_H_INCLUDED_ */
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