Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_udp_recv.c @ 4820:49d65c9364fc
Mp4: removed restriction to avc1/mp4a formats (ticket #194).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 17 Aug 2012 11:02:35 +0000 |
parents | d620f497c50f |
children | f01ab2dbcfdc |
rev | line source |
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441
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1 |
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /* |
444
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nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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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 |
91
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7 |
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nginx-0.0.1-2003-05-19-20:39:14 import
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8 #include <ngx_config.h> |
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nginx-0.0.1-2003-05-19-20:39:14 import
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9 #include <ngx_core.h> |
103
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10 #include <ngx_event.h> |
96
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11 |
91
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12 |
469 | 13 #if (NGX_HAVE_KQUEUE) |
91
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nginx-0.0.1-2003-05-19-20:39:14 import
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14 |
1680 | 15 ssize_t |
1689 | 16 ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size) |
91
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17 { |
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18 ssize_t n; |
253
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19 ngx_err_t err; |
96
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20 ngx_event_t *rev; |
91
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21 |
96
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22 rev = c->read; |
91
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23 |
96
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24 do { |
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nginx-0.0.1-2003-05-27-16:18:54 import
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25 n = recv(c->fd, buf, size, 0); |
91
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26 |
253
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27 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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28 "recv: fd:%d %d of %d", c->fd, n, size); |
93
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nginx-0.0.1-2003-05-21-17:28:21 import
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29 |
96
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30 if (n >= 0) { |
455 | 31 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
96
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32 rev->available -= n; |
163
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33 |
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34 /* |
583 | 35 * rev->available may be negative here because some additional |
587 | 36 * bytes may be received between kevent() and recv() |
163
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37 */ |
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38 |
144
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nginx-0.0.1-2003-10-12-20:49:16 import
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39 if (rev->available <= 0) { |
1689 | 40 rev->ready = 0; |
605 | 41 rev->available = 0; |
42 } | |
163
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43 } |
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44 |
96
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45 return n; |
91
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46 } |
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47 |
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48 err = ngx_socket_errno; |
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49 |
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50 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
257
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51 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
253
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52 "recv() not ready"); |
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53 n = NGX_AGAIN; |
91
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54 |
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55 } else { |
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56 n = ngx_connection_error(c, err, "recv() failed"); |
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57 break; |
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58 } |
91
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59 |
253
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60 } while (err == NGX_EINTR); |
188
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61 |
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62 rev->ready = 0; |
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63 |
3642 | 64 if (n == NGX_ERROR) { |
184
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65 rev->error = 1; |
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66 } |
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67 |
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68 return n; |
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69 } |
96
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70 |
469 | 71 #else /* ! NGX_HAVE_KQUEUE */ |
96
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72 |
1680 | 73 ssize_t |
1689 | 74 ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size) |
96
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75 { |
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76 ssize_t n; |
253
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77 ngx_err_t err; |
96
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78 ngx_event_t *rev; |
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79 |
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80 rev = c->read; |
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81 |
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82 do { |
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83 n = recv(c->fd, buf, size, 0); |
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84 |
253
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85 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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86 "recv: fd:%d %d of %d", c->fd, n, size); |
96
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87 |
1689 | 88 if (n >= 0) { |
96
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89 return n; |
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90 } |
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91 |
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92 err = ngx_socket_errno; |
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93 |
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94 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
257
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95 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
253
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96 "recv() not ready"); |
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97 n = NGX_AGAIN; |
96
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98 |
253
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99 } else { |
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100 n = ngx_connection_error(c, err, "recv() failed"); |
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101 break; |
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102 } |
96
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103 |
253
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104 } while (err == NGX_EINTR); |
188
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105 |
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106 rev->ready = 0; |
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107 |
3642 | 108 if (n == NGX_ERROR) { |
184
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109 rev->error = 1; |
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110 } |
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111 |
96
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112 return n; |
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113 } |
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114 |
469 | 115 #endif /* NGX_HAVE_KQUEUE */ |