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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 #if (HAVE_SENDFILE)
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19 #define NGX_HAVE_SENDFILE NGX_IO_SENDFILE
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20 #else
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21 #define NGX_HAVE_SENDFILE 0
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22 #endif
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23
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24 #if (HAVE_ZEROCOPY)
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25 #define NGX_HAVE_ZEROCOPY NGX_IO_ZEROCOPY
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26 #else
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27 #define NGX_HAVE_ZEROCOPY 0
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28 #endif
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29
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30
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31 typedef ssize_t (*ngx_recv_pt)(ngx_connection_t *c, u_char *buf, size_t size);
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32 typedef ssize_t (*ngx_recv_chain_pt)(ngx_connection_t *c, ngx_chain_t *in);
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33 typedef ssize_t (*ngx_send_pt)(ngx_connection_t *c, u_char *buf, size_t size);
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34 typedef ngx_chain_t *(*ngx_send_chain_pt)(ngx_connection_t *c, ngx_chain_t *in,
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35 off_t limit);
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36
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37 typedef struct {
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38 ngx_recv_pt recv;
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39 ngx_recv_chain_pt recv_chain;
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40 ngx_send_pt send;
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41 ngx_send_chain_pt send_chain;
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42 ngx_uint_t flags;
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43 } ngx_os_io_t;
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44
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45
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46 void ngx_debug_init();
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47 ngx_int_t ngx_os_init(ngx_log_t *log);
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48 void ngx_os_status(ngx_log_t *log);
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49 ngx_int_t ngx_daemon(ngx_log_t *log);
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50 ngx_int_t ngx_posix_init(ngx_log_t *log);
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51 void ngx_posix_status(ngx_log_t *log);
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52 ngx_int_t ngx_posix_post_conf_init(ngx_log_t *log);
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53
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54
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55 ssize_t ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size);
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56 ssize_t ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *entry);
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57 ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size);
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58 ngx_chain_t *ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in,
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59 off_t limit);
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60
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61
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62 extern ngx_os_io_t ngx_os_io;
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63 extern ngx_int_t ngx_ncpu;
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64 extern ngx_int_t ngx_max_sockets;
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65 extern ngx_int_t ngx_inherited_nonblocking;
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66
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67 #define ngx_stderr_fileno STDERR_FILENO
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68
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4
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69 #if (NGX_FREEBSD)
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0
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70 #include <ngx_freebsd.h>
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71
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72
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4
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73 #elif (NGX_LINUX)
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0
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74 #include <ngx_linux.h>
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75
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76
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4
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77 #elif (NGX_SOLARIS)
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0
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78 #include <ngx_solaris.h>
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79 #endif
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80
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81
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82 #endif /* _NGX_OS_H_INCLUDED_ */
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