Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_posix_init.c @ 221:401154e21826
nginx-0.0.1-2004-01-08-20:08:10 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 08 Jan 2004 17:08:10 +0000 |
parents | f57597ec5249 |
children | 99df0edb63ed |
rev | line source |
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93
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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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4 |
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5 |
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6 int ngx_max_sockets; |
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7 int ngx_inherited_nonblocking; |
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8 |
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9 |
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10 void ngx_signal_handler(int signo); |
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11 |
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12 |
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13 typedef struct { |
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14 int signo; |
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15 char *signame; |
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16 char *action; |
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17 void (*handler)(int signo); |
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18 } ngx_signal_t; |
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19 |
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20 |
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21 ngx_signal_t signals[] = { |
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22 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL), |
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23 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL), |
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24 ", reconfiguring", |
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25 ngx_signal_handler }, |
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26 |
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27 { ngx_signal_value(NGX_REOPEN_SIGNAL), |
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28 "SIG" ngx_value(NGX_REOPEN_SIGNAL), |
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29 ", reopen logs", |
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30 ngx_signal_handler }, |
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31 |
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32 { ngx_signal_value(NGX_INTERRUPT_SIGNAL), |
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33 "SIG" ngx_value(NGX_INTERRUPT_SIGNAL), |
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34 ", exiting", |
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35 ngx_signal_handler }, |
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36 |
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37 { ngx_signal_value(NGX_TERMINATE_SIGNAL), |
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38 "SIG" ngx_value(NGX_TERMINATE_SIGNAL), |
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39 ", exiting", |
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40 ngx_signal_handler }, |
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41 |
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42 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL), |
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43 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL), |
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44 ", shutdowning", |
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45 ngx_signal_handler }, |
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46 |
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47 { ngx_signal_value(NGX_CHANGEBIN_SIGNAL), |
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48 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL), |
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49 ", changing binary", |
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50 ngx_signal_handler }, |
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51 |
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52 { SIGCHLD, "SIGCHLD", "", ngx_signal_handler }, |
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53 |
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54 { SIGPIPE, "SIGPIPE, SIG_IGN", NULL, SIG_IGN }, |
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55 |
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56 { 0, NULL, NULL, NULL } |
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57 }; |
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58 |
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59 |
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60 int ngx_posix_init(ngx_log_t *log) |
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61 { |
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62 ngx_signal_t *sig; |
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63 struct rlimit rlmt; |
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64 struct sigaction sa; |
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65 |
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66 for (sig = signals; sig->signo != 0; sig++) { |
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67 ngx_memzero(&sa, sizeof(struct sigaction)); |
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68 sa.sa_handler = sig->handler; |
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69 sigemptyset(&sa.sa_mask); |
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70 if (sigaction(sig->signo, &sa, NULL) == -1) { |
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71 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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72 "sigaction(%s) failed", sig->signame); |
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73 return NGX_ERROR; |
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74 } |
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75 } |
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76 |
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77 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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78 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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79 "getrlimit(RLIMIT_NOFILE) failed)"); |
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80 return NGX_ERROR; |
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81 } |
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82 |
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83 ngx_log_error(NGX_LOG_INFO, log, 0, |
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84 "getrlimit(RLIMIT_NOFILE): " RLIM_T_FMT ":" RLIM_T_FMT, |
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85 rlmt.rlim_cur, rlmt.rlim_max); |
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86 |
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87 ngx_max_sockets = rlmt.rlim_cur; |
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88 |
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89 #if (HAVE_INHERITED_NONBLOCK) |
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90 ngx_inherited_nonblocking = 1; |
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91 #else |
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92 ngx_inherited_nonblocking = 0; |
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93 #endif |
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94 |
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95 return NGX_OK; |
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96 } |
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97 |
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98 |
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99 void ngx_signal_handler(int signo) |
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100 { |
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101 struct timeval tv; |
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102 ngx_err_t err; |
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103 ngx_signal_t *sig; |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
104 |
219
f57597ec5249
nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
218
diff
changeset
|
105 err = ngx_errno; |
f57597ec5249
nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
218
diff
changeset
|
106 |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
107 for (sig = signals; sig->signo != 0; sig++) { |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
108 if (sig->signo == signo) { |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
109 break; |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
110 } |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
111 } |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
112 |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
113 ngx_gettimeofday(&tv); |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
114 ngx_time_update(tv.tv_sec); |
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
115 |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
116 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, 0, |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
117 "signal %d (%s) received%s", |
212
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
118 signo, sig->signame, sig->action); |
679f60139863
nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
119 |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
120 switch (signo) { |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
121 |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
122 case SIGCHLD: |
221
401154e21826
nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
219
diff
changeset
|
123 ngx_reap = 1; |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
124 ngx_process_get_status(); |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
125 break; |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
126 |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
127 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL): |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
128 ngx_quit = 1; |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
129 break; |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
130 |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
131 case ngx_signal_value(NGX_TERMINATE_SIGNAL): |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
132 case ngx_signal_value(NGX_INTERRUPT_SIGNAL): |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
133 ngx_terminate = 1; |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
134 break; |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
135 |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
136 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL): |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
137 ngx_reconfigure = 1; |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
138 break; |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
139 |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
140 case ngx_signal_value(NGX_REOPEN_SIGNAL): |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
141 ngx_reopen = 1; |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
142 break; |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
143 |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
144 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL): |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
212
diff
changeset
|
145 ngx_change_binary = 1; |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
146 break; |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
147 } |
219
f57597ec5249
nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
218
diff
changeset
|
148 |
f57597ec5249
nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
218
diff
changeset
|
149 ngx_set_errno(err); |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
150 } |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
151 |
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
152 |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 int ngx_posix_post_conf_init(ngx_log_t *log) |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 ngx_fd_t pp[2]; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 if (pipe(pp) == -1) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 if (dup2(pp[1], STDERR_FILENO) == -1) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 if (pp[1] > STDERR_FILENO) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 if (close(pp[1]) == -1) { |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 return NGX_OK; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 } |