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annotate src/os/unix/ngx_socket.c @ 354:eaf1f651cf86

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nginx-0.0.7-2004-06-15-11:55:11 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 15 Jun 2004 07:55:11 +0000
parents 55e496a8ece3
children da8c5707af39
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1
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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) sets a blocking mode with the single syscall
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8 * while fcntl(F_SETFL, ~O_NONBLOCK) needs to learn before
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9 * a previous state using fcntl(F_GETFL).
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10 *
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11 * ioctl() and fcntl() are syscalls on at least FreeBSD 2.x, Linux 2.2
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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12 * and Solaris 7.
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13 *
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14 * ioctl() in Linux 2.4 and 2.6 uses BKL, however fcntl(F_SETFL) uses it too.
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15 */
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18 #if (HAVE_FIONBIO)
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20 int ngx_nonblocking(ngx_socket_t s)
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21 {
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22 u_long nb;
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24 nb = 1;
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26 return ioctl(s, FIONBIO, &nb);
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27 }
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30 int ngx_blocking(ngx_socket_t s)
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31 {
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32 u_long nb;
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34 nb = 0;
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36 return ioctl(s, FIONBIO, &nb);
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37 }
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39 #endif
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42 #ifdef __FreeBSD__
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44 int ngx_tcp_nopush(ngx_socket_t s)
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45 {
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46 int tcp_nopush;
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47
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48 tcp_nopush = 1;
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49
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50 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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51 (const void *) &tcp_nopush, sizeof(int));
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52 }
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55 int ngx_tcp_push(ngx_socket_t s)
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56 {
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57 int tcp_nopush;
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58
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59 tcp_nopush = 0;
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61 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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62 (const void *) &tcp_nopush, sizeof(int));
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63 }
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64
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65 #elif __linux__
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66
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67 int ngx_tcp_nopush(ngx_socket_t s)
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68 {
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69 int cork;
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70
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71 cork = 1;
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72
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73 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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74 (const void *) &cork, sizeof(int));
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75 }
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76
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77 int ngx_tcp_push(ngx_socket_t s)
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78 {
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79 int cork;
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80
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81 cork = 0;
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82
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83 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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84 (const void *) &cork, sizeof(int));
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85 }
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86
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87 #else
101
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88
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89 int ngx_tcp_nopush(ngx_socket_t s)
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90 {
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91 return NGX_OK;
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92 }
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93
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94 int ngx_tcp_push(ngx_socket_t s)
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95 {
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96 return NGX_OK;
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97 }
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98
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99 #endif