Mercurial > hg > nginx
view src/os/unix/ngx_socket.c @ 346:55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sun, 06 Jun 2004 19:49:18 +0000 |
parents | b6793bc5034b |
children | eaf1f651cf86 |
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#include <ngx_config.h> #include <ngx_core.h> /* * ioctl(FIONBIO) sets a blocking mode with the single syscall * while fcntl(F_SETFL, ~O_NONBLOCK) needs to learn before * a previous state using fcntl(F_GETFL). * * ioctl() and fcntl() are syscalls on at least FreeBSD 2.x, Linux 2.2 * and Solaris 7. * * ioctl() in Linux 2.4 and 2.6 uses BKL, however fcntl(F_SETFL) uses it too. */ #if (HAVE_FIONBIO) int ngx_nonblocking(ngx_socket_t s) { unsigned long nb = 1; return ioctl(s, FIONBIO, &nb); } int ngx_blocking(ngx_socket_t s) { unsigned long nb = 0; return ioctl(s, FIONBIO, &nb); } #endif #ifdef __FreeBSD__ int ngx_tcp_nopush(ngx_socket_t s) { int tcp_nopush; tcp_nopush = 1; return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH, (const void *) &tcp_nopush, sizeof(int)); } int ngx_tcp_push(ngx_socket_t s) { int tcp_nopush; tcp_nopush = 0; return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH, (const void *) &tcp_nopush, sizeof(int)); } #elif __linux__ int ngx_tcp_nopush(ngx_socket_t s) { int cork; cork = 1; return setsockopt(s, IPPROTO_TCP, TCP_CORK, (const void *) &cork, sizeof(int)); } int ngx_tcp_push(ngx_socket_t s) { int cork; cork = 0; return setsockopt(s, IPPROTO_TCP, TCP_CORK, (const void *) &cork, sizeof(int)); } #else int ngx_tcp_nopush(ngx_socket_t s) { return NGX_OK; } int ngx_tcp_push(ngx_socket_t s) { return NGX_OK; } #endif