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#include <ngx_config.h>
#include <ngx_core.h>
/*
ioctl(FIONBIO) set blocking mode with one syscall only while
fcntl(F_SETFL, ~O_NONBLOCK) need to know previous state
using fcntl(F_GETFL).
ioctl() and fcntl() are syscalls on FreeBSD, Solaris 7/8 and Linux
*/
#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));
}
#else
int ngx_tcp_nopush(ngx_socket_t s)
{
return NGX_OK;
}
int ngx_tcp_push(ngx_socket_t s)
{
return NGX_OK;
}
#endif
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