details: http://hg.nginx.org/nginx/rev/d1816a2696de branches: changeset: 7038:d1816a2696de user: Ruslan Ermilov <r...@nginx.com> date: Fri Jun 16 18:15:58 2017 +0300 description: Introduced ngx_rwlock_downgrade().
diffstat: src/core/ngx_rwlock.c | 9 +++++++++ src/core/ngx_rwlock.h | 1 + 2 files changed, 10 insertions(+), 0 deletions(-) diffs (30 lines): diff -r 12efcdcb8a4b -r d1816a2696de src/core/ngx_rwlock.c --- a/src/core/ngx_rwlock.c Fri Jun 16 18:15:53 2017 +0300 +++ b/src/core/ngx_rwlock.c Fri Jun 16 18:15:58 2017 +0300 @@ -109,6 +109,15 @@ ngx_rwlock_unlock(ngx_atomic_t *lock) } +void +ngx_rwlock_downgrade(ngx_atomic_t *lock) +{ + if (*lock == NGX_RWLOCK_WLOCK) { + *lock = 1; + } +} + + #else #if (NGX_HTTP_UPSTREAM_ZONE || NGX_STREAM_UPSTREAM_ZONE) diff -r 12efcdcb8a4b -r d1816a2696de src/core/ngx_rwlock.h --- a/src/core/ngx_rwlock.h Fri Jun 16 18:15:53 2017 +0300 +++ b/src/core/ngx_rwlock.h Fri Jun 16 18:15:58 2017 +0300 @@ -16,6 +16,7 @@ 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_ */ _______________________________________________ nginx-devel mailing list nginx-devel@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx-devel