Mercurial > hg > nginx

annotate src/os/unix/ngx_posix_init.c @ 218:05592fd7a436

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nginx-0.0.1-2004-01-05-23:55:48 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 05 Jan 2004 20:55:48 +0000
parents 679f60139863
children f57597ec5249
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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2 #include <ngx_config.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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3 #include <ngx_core.h>
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4
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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6 int ngx_max_sockets;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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7 int ngx_inherited_nonblocking;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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8
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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9
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00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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10 void ngx_signal_handler(int signo);
111
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11
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12
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00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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13 typedef struct {
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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14 int signo;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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15 char *signame;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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16 char *action;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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17 void (*handler)(int signo);
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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18 } ngx_signal_t;
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19
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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20
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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21 ngx_signal_t signals[] = {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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22 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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23 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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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),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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28 "SIG" ngx_value(NGX_REOPEN_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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29 ", reopen logs",
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30 ngx_signal_handler },
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31
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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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",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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35 ngx_signal_handler },
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36
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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37 { ngx_signal_value(NGX_TERMINATE_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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38 "SIG" ngx_value(NGX_TERMINATE_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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39 ", exiting",
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40 ngx_signal_handler },
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41
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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42 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL),
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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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),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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48 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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49 ", changing binary",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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50 ngx_signal_handler },
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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51
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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52 { SIGCHLD, "SIGCHLD", "", ngx_signal_handler },
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53
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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54 { SIGPIPE, "SIGPIPE, SIG_IGN", NULL, SIG_IGN },
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55
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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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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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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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
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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83 ngx_log_error(NGX_LOG_INFO, log, 0,
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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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
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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87 ngx_max_sockets = rlmt.rlim_cur;
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88
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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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
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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98
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99 void ngx_signal_handler(int signo)
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100 {
218
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101 struct timeval tv;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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102 ngx_signal_t *sig;
210
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103
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104 for (sig = signals; sig->signo != 0; sig++) {
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105 if (sig->signo == signo) {
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106 break;
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107 }
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108 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
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109
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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110 ngx_gettimeofday(&tv);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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111 ngx_time_update(tv.tv_sec);
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
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112
210
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113 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, 0,
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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114 "signal %d (%s) received%s",
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
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115 signo, sig->signame, sig->action);
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116
210
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parents: 195
diff changeset
117 switch (signo) {
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
118
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
119 case SIGCHLD:
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
120 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
121 break;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
122
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
123 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
124 ngx_quit = 1;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
125 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
126
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
127 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
128 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
129 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
130 break;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
131
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
132 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
133 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
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_REOPEN_SIGNAL):
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
137 ngx_reopen = 1;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
138 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
139
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_CHANGEBIN_SIGNAL):
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
141 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
142 break;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
143 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
144 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
145
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
146
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 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
148 {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 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
150
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 if (pipe(pp) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 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
153 return NGX_ERROR;
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
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 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
157 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
158 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 }
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 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
162 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
163 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
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
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 return NGX_OK;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 }