Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_socket.c @ 4794:4163fb9dcfcb
Explicitly ignore returned value from unlink() in ngx_open_tempfile().
The only thing we could potentially do here in case of error
returned is to complain to error log, but we don't have log
structure available here due to interface limitations.
Prodded by Coverity.
author | Andrey Belov <defan@nginx.com> |
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date | Mon, 06 Aug 2012 16:06:59 +0000 |
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 |
59
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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. |
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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) | |
195
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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 |