2003-02-07 01:21:13 +08:00
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2004-09-28 16:34:51 +08:00
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/*
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2004-09-30 00:00:49 +08:00
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* Copyright (C) Igor Sysoev
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2004-09-28 16:34:51 +08:00
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*/
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2003-06-05 01:28:33 +08:00
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#include <ngx_config.h>
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#include <ngx_core.h>
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2003-02-07 01:21:13 +08:00
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2003-05-21 21:28:21 +08:00
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/*
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2004-02-09 15:46:43 +08:00
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* ioctl(FIONBIO) sets a blocking mode with the single syscall
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* while fcntl(F_SETFL, ~O_NONBLOCK) needs to learn before
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2004-09-28 16:34:51 +08:00
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* the previous state using fcntl(F_GETFL).
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2004-02-09 15:46:43 +08:00
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*
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* ioctl() and fcntl() are syscalls on at least FreeBSD 2.x, Linux 2.2
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2004-06-07 03:49:18 +08:00
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* and Solaris 7.
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*
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2004-10-11 23:07:03 +08:00
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* ioctl() in Linux 2.4 and 2.6 uses BKL, however, fcntl(F_SETFL) uses it too.
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2004-02-09 15:46:43 +08:00
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*/
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2003-05-21 21:28:21 +08:00
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2003-06-05 01:28:33 +08:00
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2004-11-26 00:17:31 +08:00
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#if (NGX_HAVE_FIONBIO)
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2003-02-07 01:21:13 +08:00
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int ngx_nonblocking(ngx_socket_t s)
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{
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2004-06-15 15:55:11 +08:00
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u_long nb;
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nb = 1;
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2003-02-07 01:21:13 +08:00
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return ioctl(s, FIONBIO, &nb);
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}
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2003-06-05 01:28:33 +08:00
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2003-02-07 01:21:13 +08:00
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int ngx_blocking(ngx_socket_t s)
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{
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2004-06-15 15:55:11 +08:00
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u_long nb;
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nb = 0;
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2003-02-07 01:21:13 +08:00
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return ioctl(s, FIONBIO, &nb);
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}
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#endif
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2003-06-05 01:28:33 +08:00
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2004-10-21 23:34:38 +08:00
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#if (NGX_FREEBSD)
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2003-06-05 01:28:33 +08:00
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int ngx_tcp_nopush(ngx_socket_t s)
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{
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int tcp_nopush;
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tcp_nopush = 1;
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return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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(const void *) &tcp_nopush, sizeof(int));
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}
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int ngx_tcp_push(ngx_socket_t s)
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{
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int tcp_nopush;
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tcp_nopush = 0;
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return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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(const void *) &tcp_nopush, sizeof(int));
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}
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2004-10-21 23:34:38 +08:00
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#elif (NGX_LINUX)
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2003-11-26 04:44:56 +08:00
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int ngx_tcp_nopush(ngx_socket_t s)
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{
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int cork;
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cork = 1;
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return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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(const void *) &cork, sizeof(int));
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}
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int ngx_tcp_push(ngx_socket_t s)
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{
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int cork;
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cork = 0;
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return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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(const void *) &cork, sizeof(int));
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}
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2003-06-11 23:28:34 +08:00
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#else
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2003-06-05 01:28:33 +08:00
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int ngx_tcp_nopush(ngx_socket_t s)
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{
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return NGX_OK;
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}
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int ngx_tcp_push(ngx_socket_t s)
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{
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return NGX_OK;
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}
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#endif
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