annotate src/os/unix/ngx_socket.c @ 155:46eb23d9471d

nginx-0.0.1-2003-10-22-20:38:26 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 22 Oct 2003 16:38:26 +0000
parents 6dfda4cf5200
children 8dee38ea9117
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2 #include <ngx_config.h>
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3 #include <ngx_core.h>
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6 /*
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7 ioctl(FIONBIO) set blocking mode with one syscall only while
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8 fcntl(F_SETFL, ~O_NONBLOCK) need to know previous state
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9 using fcntl(F_GETFL).
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11 ioctl() and fcntl() are syscalls on FreeBSD, Solaris 7/8 and Linux
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12 */
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15 #if (HAVE_FIONBIO)
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17 int ngx_nonblocking(ngx_socket_t s)
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18 {
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19 unsigned long nb = 1;
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21 return ioctl(s, FIONBIO, &nb);
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22 }
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25 int ngx_blocking(ngx_socket_t s)
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26 {
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27 unsigned long nb = 0;
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29 return ioctl(s, FIONBIO, &nb);
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30 }
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32 #endif
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35 #ifdef __FreeBSD__
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37 int ngx_tcp_nopush(ngx_socket_t s)
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38 {
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39 int tcp_nopush;
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41 tcp_nopush = 1;
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43 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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44 (const void *) &tcp_nopush, sizeof(int));
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45 }
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48 int ngx_tcp_push(ngx_socket_t s)
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49 {
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50 int tcp_nopush;
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52 tcp_nopush = 0;
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54 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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55 (const void *) &tcp_nopush, sizeof(int));
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56 }
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57
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58 #else
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60 int ngx_tcp_nopush(ngx_socket_t s)
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61 {
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62 return NGX_OK;
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63 }
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65 int ngx_tcp_push(ngx_socket_t s)
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66 {
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67 return NGX_OK;
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68 }
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70 #endif