Mercurial > hg > nginx
view src/os/unix/ngx_socket.h @ 6124:f1f222db290b
Stream: prevent repeated event notifications after eof.
When client or upstream connection is closed, level-triggered read event
remained active until the end of the session leading to cpu hog. Now the flag
NGX_CLOSE_EVENT is used to unschedule the event.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Wed, 22 Apr 2015 19:55:04 +0300 |
parents | d620f497c50f |
children | efd71d49bde0 |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_SOCKET_H_INCLUDED_ #define _NGX_SOCKET_H_INCLUDED_ #include <ngx_config.h> #define NGX_WRITE_SHUTDOWN SHUT_WR typedef int ngx_socket_t; #define ngx_socket socket #define ngx_socket_n "socket()" #if (NGX_HAVE_FIONBIO) int ngx_nonblocking(ngx_socket_t s); int ngx_blocking(ngx_socket_t s); #define ngx_nonblocking_n "ioctl(FIONBIO)" #define ngx_blocking_n "ioctl(!FIONBIO)" #else #define ngx_nonblocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK) #define ngx_nonblocking_n "fcntl(O_NONBLOCK)" #define ngx_blocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK) #define ngx_blocking_n "fcntl(!O_NONBLOCK)" #endif int ngx_tcp_nopush(ngx_socket_t s); int ngx_tcp_push(ngx_socket_t s); #if (NGX_LINUX) #define ngx_tcp_nopush_n "setsockopt(TCP_CORK)" #define ngx_tcp_push_n "setsockopt(!TCP_CORK)" #else #define ngx_tcp_nopush_n "setsockopt(TCP_NOPUSH)" #define ngx_tcp_push_n "setsockopt(!TCP_NOPUSH)" #endif #define ngx_shutdown_socket shutdown #define ngx_shutdown_socket_n "shutdown()" #define ngx_close_socket close #define ngx_close_socket_n "close() socket" #endif /* _NGX_SOCKET_H_INCLUDED_ */