nginx/src/os/unix/ngx_os.h

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


#ifndef _NGX_OS_H_INCLUDED_
#define _NGX_OS_H_INCLUDED_


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


#define NGX_IO_SENDFILE …


ngx_recv_pt;
ngx_recv_chain_pt;
ngx_send_pt;
ngx_send_chain_pt;

ngx_os_io_t;


ngx_int_t ngx_os_init(ngx_log_t *log);
void ngx_os_status(ngx_log_t *log);
ngx_int_t ngx_os_specific_init(ngx_log_t *log);
void ngx_os_specific_status(ngx_log_t *log);
ngx_int_t ngx_daemon(ngx_log_t *log);
ngx_int_t ngx_os_signal_process(ngx_cycle_t *cycle, char *sig, ngx_pid_t pid);


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, off_t limit);
ssize_t ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size);
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);
ssize_t ngx_udp_unix_send(ngx_connection_t *c, u_char *buf, size_t size);
ngx_chain_t *ngx_udp_unix_sendmsg_chain(ngx_connection_t *c, ngx_chain_t *in,
    off_t limit);


#if (IOV_MAX > 64)
#define NGX_IOVS_PREALLOCATE …
#else
#define NGX_IOVS_PREALLOCATE …
#endif


ngx_iovec_t;

ngx_chain_t *ngx_output_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *in,
    size_t limit, ngx_log_t *log);


ssize_t ngx_writev(ngx_connection_t *c, ngx_iovec_t *vec);


extern ngx_os_io_t  ngx_os_io;
extern ngx_int_t    ngx_ncpu;
extern ngx_int_t    ngx_max_sockets;
extern ngx_uint_t   ngx_inherited_nonblocking;
extern ngx_uint_t   ngx_tcp_nodelay_and_tcp_nopush;


#if (NGX_FREEBSD)
#include <ngx_freebsd.h>


#elif (NGX_LINUX)
#include <ngx_linux.h>


#elif (NGX_SOLARIS)
#include <ngx_solaris.h>


#elif (NGX_DARWIN)
#include <ngx_darwin.h>
#endif


#endif /* _NGX_OS_H_INCLUDED_ */