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/*
* Copyright (C) 2002-2004 Igor Sysoev
*/
#ifndef _NGX_OS_H_INCLUDED_
#define _NGX_OS_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#define NGX_IO_SENDFILE 1
#define NGX_IO_ZEROCOPY 2
#if (HAVE_SENDFILE)
#define NGX_HAVE_SENDFILE NGX_IO_SENDFILE
#else
#define NGX_HAVE_SENDFILE 0
#endif
#if (HAVE_ZEROCOPY)
#define NGX_HAVE_ZEROCOPY NGX_IO_ZEROCOPY
#else
#define NGX_HAVE_ZEROCOPY 0
#endif
typedef ssize_t (*ngx_recv_pt)(ngx_connection_t *c, u_char *buf, size_t size);
typedef ssize_t (*ngx_recv_chain_pt)(ngx_connection_t *c, ngx_chain_t *in);
typedef ssize_t (*ngx_send_pt)(ngx_connection_t *c, u_char *buf, size_t size);
typedef ngx_chain_t *(*ngx_send_chain_pt)(ngx_connection_t *c, ngx_chain_t *in,
off_t limit);
typedef struct {
ngx_recv_pt recv;
ngx_recv_chain_pt recv_chain;
ngx_send_pt send;
ngx_send_chain_pt send_chain;
ngx_uint_t flags;
} ngx_os_io_t;
void ngx_debug_init();
int ngx_os_init(ngx_log_t *log);
int ngx_daemon(ngx_log_t *log);
int ngx_posix_init(ngx_log_t *log);
int ngx_posix_post_conf_init(ngx_log_t *log);
ssize_t ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size);
ssize_t ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *entry);
ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size);
ngx_chain_t *ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in,
off_t limit);
extern ngx_os_io_t ngx_os_io;
extern int ngx_ncpu;
extern int ngx_max_sockets;
extern int ngx_inherited_nonblocking;
#ifdef __FreeBSD__
#include <ngx_freebsd.h>
#endif
#ifdef __linux__
#include <ngx_linux.h>
#endif
#ifdef SOLARIS
#include <ngx_solaris.h>
#endif
#endif /* _NGX_OS_H_INCLUDED_ */
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