2004-09-28 16:34:51 +08:00
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/*
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* Copyright (C) 2002-2004 Igor Sysoev
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*/
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2003-11-14 15:20:34 +08:00
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#ifndef _NGX_OS_H_INCLUDED_
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2003-11-14 00:16:33 +08:00
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#define _NGX_OS_H_INCLUDED_
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2003-05-20 23:37:55 +08:00
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#include <ngx_config.h>
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#include <ngx_core.h>
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2003-05-21 21:28:21 +08:00
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#define NGX_IO_SENDFILE 1
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#define NGX_IO_ZEROCOPY 2
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#if (HAVE_SENDFILE)
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#define NGX_HAVE_SENDFILE NGX_IO_SENDFILE
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#else
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#define NGX_HAVE_SENDFILE 0
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2003-05-20 23:37:55 +08:00
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#endif
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2003-05-21 21:28:21 +08:00
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#if (HAVE_ZEROCOPY)
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#define NGX_HAVE_ZEROCOPY NGX_IO_ZEROCOPY
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#else
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#define NGX_HAVE_ZEROCOPY 0
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#endif
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2004-07-17 01:11:43 +08:00
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typedef ssize_t (*ngx_recv_pt)(ngx_connection_t *c, u_char *buf, size_t size);
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typedef ssize_t (*ngx_recv_chain_pt)(ngx_connection_t *c, ngx_chain_t *in);
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typedef ssize_t (*ngx_send_pt)(ngx_connection_t *c, u_char *buf, size_t size);
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typedef ngx_chain_t *(*ngx_send_chain_pt)(ngx_connection_t *c, ngx_chain_t *in,
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off_t limit);
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2003-05-20 23:37:55 +08:00
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typedef struct {
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2004-07-17 01:11:43 +08:00
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ngx_recv_pt recv;
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ngx_recv_chain_pt recv_chain;
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ngx_send_pt send;
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ngx_send_chain_pt send_chain;
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2004-09-07 23:29:22 +08:00
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ngx_uint_t flags;
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2003-05-20 23:37:55 +08:00
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} ngx_os_io_t;
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int ngx_os_init(ngx_log_t *log);
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2004-03-17 05:26:01 +08:00
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ssize_t ngx_wsarecv(ngx_connection_t *c, u_char *buf, size_t size);
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ssize_t ngx_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size);
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2003-11-17 05:49:42 +08:00
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ssize_t ngx_wsarecv_chain(ngx_connection_t *c, ngx_chain_t *chain);
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2004-06-22 03:22:53 +08:00
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ngx_chain_t *ngx_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in,
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off_t limit);
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ngx_chain_t *ngx_overlapped_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in,
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off_t limit);
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2003-11-14 15:20:34 +08:00
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2003-05-21 21:28:21 +08:00
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2003-05-20 23:37:55 +08:00
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extern ngx_os_io_t ngx_os_io;
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2004-06-30 23:30:41 +08:00
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extern int ngx_ncpu;
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2003-05-20 23:37:55 +08:00
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extern int ngx_max_sockets;
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2003-05-21 21:28:21 +08:00
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extern int ngx_inherited_nonblocking;
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2003-11-14 00:16:33 +08:00
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extern int ngx_win32_version;
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2003-05-20 23:37:55 +08:00
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2003-11-14 00:16:33 +08:00
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#endif /* _NGX_OS_H_INCLUDED_ */
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