nginx/src/os/unix/ngx_udp_sendmsg_chain.c

/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>


static ngx_chain_t *ngx_udp_output_chain_to_iovec(ngx_iovec_t *vec,
    ngx_chain_t *in, ngx_log_t *log);
static ssize_t ngx_sendmsg_vec(ngx_connection_t *c, ngx_iovec_t *vec);


ngx_chain_t *
ngx_udp_unix_sendmsg_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
{ … }


static ngx_chain_t *
ngx_udp_output_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *in, ngx_log_t *log)
{ … }


static ssize_t
ngx_sendmsg_vec(ngx_connection_t *c, ngx_iovec_t *vec)
{ … }


#if (NGX_HAVE_ADDRINFO_CMSG)

size_t
ngx_set_srcaddr_cmsg(struct cmsghdr *cmsg, struct sockaddr *local_sockaddr)
{ … }


ngx_int_t
ngx_get_srcaddr_cmsg(struct cmsghdr *cmsg, struct sockaddr *local_sockaddr)
{ … }

#endif


ssize_t
ngx_sendmsg(ngx_connection_t *c, struct msghdr *msg, int flags)
{ … }