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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #ifndef _NGX_OS_H_INCLUDED_
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8 #define _NGX_OS_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14
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15 #define NGX_IO_SENDFILE 1
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16 #define NGX_IO_ZEROCOPY 2
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17
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18
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19 typedef ssize_t (*ngx_recv_pt)(ngx_connection_t *c, u_char *buf, size_t size);
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20 typedef ssize_t (*ngx_recv_chain_pt)(ngx_connection_t *c, ngx_chain_t *in);
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21 typedef ssize_t (*ngx_send_pt)(ngx_connection_t *c, u_char *buf, size_t size);
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22 typedef ngx_chain_t *(*ngx_send_chain_pt)(ngx_connection_t *c, ngx_chain_t *in,
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23 off_t limit);
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24
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25 typedef struct {
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26 ngx_recv_pt recv;
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27 ngx_recv_chain_pt recv_chain;
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28 ngx_send_pt send;
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29 ngx_send_chain_pt send_chain;
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30 ngx_uint_t flags;
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31 } ngx_os_io_t;
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32
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33
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34 void ngx_debug_init();
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35 ngx_int_t ngx_os_init(ngx_log_t *log);
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36 void ngx_os_status(ngx_log_t *log);
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37 ngx_int_t ngx_daemon(ngx_log_t *log);
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38 ngx_int_t ngx_posix_init(ngx_log_t *log);
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39 void ngx_posix_status(ngx_log_t *log);
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40 ngx_int_t ngx_posix_post_conf_init(ngx_log_t *log);
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41
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42
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43 ssize_t ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size);
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44 ssize_t ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *entry);
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45 ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size);
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46 ngx_chain_t *ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in,
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47 off_t limit);
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48
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49
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50 extern ngx_os_io_t ngx_os_io;
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51 extern ngx_int_t ngx_ncpu;
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52 extern ngx_int_t ngx_max_sockets;
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53 extern ngx_int_t ngx_inherited_nonblocking;
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54
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55 #define ngx_stderr_fileno STDERR_FILENO
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56
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4
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57 #if (NGX_FREEBSD)
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58 #include <ngx_freebsd.h>
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59
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60
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4
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61 #elif (NGX_LINUX)
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62 #include <ngx_linux.h>
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63
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64
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4
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65 #elif (NGX_SOLARIS)
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66 #include <ngx_solaris.h>
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67 #endif
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68
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69
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70 #endif /* _NGX_OS_H_INCLUDED_ */
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