Mercurial > hg > nginx
annotate src/os/unix/ngx_socket.c @ 5914:4dd67e5d958e
Refactored ngx_solaris_sendfilev_chain().
Though ngx_solaris_sendfilev_chain() shouldn't suffer from the problem mentioned
in d1bde5c3c5d2 since currently IOV_MAX on Solaris is 16, but this follows the
change from 3d5717550371 in order to make the code look similar to other systems
and potentially eliminates the problem in the future.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Wed, 19 Nov 2014 21:17:11 +0300 |
parents | d620f497c50f |
children |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
59
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10 |
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11 |
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12 /* |
707 | 13 * ioctl(FIONBIO) sets a non-blocking mode with the single syscall |
14 * while fcntl(F_SETFL, O_NONBLOCK) needs to learn the current state | |
15 * using fcntl(F_GETFL). | |
253
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16 * |
563 | 17 * ioctl() and fcntl() are syscalls at least in FreeBSD 2.x, Linux 2.2 |
346
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18 * and Solaris 7. |
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19 * |
452 | 20 * ioctl() in Linux 2.4 and 2.6 uses BKL, however, fcntl(F_SETFL) uses it too. |
253
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21 */ |
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22 |
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23 |
469 | 24 #if (NGX_HAVE_FIONBIO) |
59
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25 |
501 | 26 int |
27 ngx_nonblocking(ngx_socket_t s) | |
59
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28 { |
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29 int nb; |
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30 |
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31 nb = 1; |
59
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32 |
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33 return ioctl(s, FIONBIO, &nb); |
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34 } |
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35 |
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36 |
501 | 37 int |
38 ngx_blocking(ngx_socket_t s) | |
59
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39 { |
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40 int nb; |
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41 |
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42 nb = 0; |
59
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43 |
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44 return ioctl(s, FIONBIO, &nb); |
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45 } |
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46 |
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47 #endif |
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48 |
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49 |
455 | 50 #if (NGX_FREEBSD) |
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51 |
501 | 52 int |
53 ngx_tcp_nopush(ngx_socket_t s) | |
101
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54 { |
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55 int tcp_nopush; |
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56 |
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57 tcp_nopush = 1; |
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58 |
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59 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH, |
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60 (const void *) &tcp_nopush, sizeof(int)); |
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61 } |
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62 |
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63 |
501 | 64 int |
65 ngx_tcp_push(ngx_socket_t s) | |
101
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66 { |
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67 int tcp_nopush; |
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68 |
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69 tcp_nopush = 0; |
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70 |
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71 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH, |
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72 (const void *) &tcp_nopush, sizeof(int)); |
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73 } |
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74 |
455 | 75 #elif (NGX_LINUX) |
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76 |
563 | 77 |
501 | 78 int |
79 ngx_tcp_nopush(ngx_socket_t s) | |
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80 { |
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81 int cork; |
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82 |
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83 cork = 1; |
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84 |
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85 return setsockopt(s, IPPROTO_TCP, TCP_CORK, |
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86 (const void *) &cork, sizeof(int)); |
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87 } |
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88 |
563 | 89 |
501 | 90 int |
91 ngx_tcp_push(ngx_socket_t s) | |
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92 { |
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93 int cork; |
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94 |
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95 cork = 0; |
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96 |
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97 return setsockopt(s, IPPROTO_TCP, TCP_CORK, |
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98 (const void *) &cork, sizeof(int)); |
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99 } |
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100 |
103
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101 #else |
101
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102 |
501 | 103 int |
104 ngx_tcp_nopush(ngx_socket_t s) | |
101
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105 { |
501 | 106 return 0; |
101
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107 } |
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108 |
563 | 109 |
501 | 110 int |
111 ngx_tcp_push(ngx_socket_t s) | |
101
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112 { |
501 | 113 return 0; |
101
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114 } |
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115 |
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116 #endif |