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annotate src/os/unix/ngx_posix_init.c @ 441:da8c5707af39

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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
author Igor Sysoev <igor@sysoev.ru>
date Tue, 28 Sep 2004 08:34:51 +0000
parents 018569a8f09c
children 42d11f017717
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441
da8c5707af39 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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2 /*
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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3 * Copyright (C) 2002-2004 Igor Sysoev
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4 */
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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11 int ngx_ncpu;
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12 int ngx_max_sockets;
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13 int ngx_inherited_nonblocking;
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16 #if (NGX_POSIX_IO)
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17
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18 ngx_os_io_t ngx_os_io = {
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19 ngx_unix_recv,
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20 ngx_readv_chain,
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21 NULL,
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22 ngx_writev_chain,
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23 0
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24 };
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25
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27 int ngx_os_init(ngx_log_t *log)
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28 {
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29 return ngx_posix_init(log);
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30 }
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31
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33 #endif
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34
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35
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36 void ngx_signal_handler(int signo);
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37
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38
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39 typedef struct {
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40 int signo;
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41 char *signame;
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42 void (*handler)(int signo);
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43 } ngx_signal_t;
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44
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45
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46 ngx_signal_t signals[] = {
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47 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL),
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48 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
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49 ngx_signal_handler },
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50
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51 { ngx_signal_value(NGX_REOPEN_SIGNAL),
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52 "SIG" ngx_value(NGX_REOPEN_SIGNAL),
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53 ngx_signal_handler },
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54
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55 { ngx_signal_value(NGX_NOACCEPT_SIGNAL),
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56 "SIG" ngx_value(NGX_NOACCEPT_SIGNAL),
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57 ngx_signal_handler },
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58
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59 { ngx_signal_value(NGX_TERMINATE_SIGNAL),
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60 "SIG" ngx_value(NGX_TERMINATE_SIGNAL),
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61 ngx_signal_handler },
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62
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63 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL),
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64 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL),
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65 ngx_signal_handler },
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66
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67 { ngx_signal_value(NGX_CHANGEBIN_SIGNAL),
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68 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL),
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69 ngx_signal_handler },
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70
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71 { SIGALRM, "SIGALRM", ngx_signal_handler },
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72
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73 { SIGINT, "SIGINT", ngx_signal_handler },
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74
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75 { SIGIO, "SIGIO", ngx_signal_handler },
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76
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77 { SIGCHLD, "SIGCHLD", ngx_signal_handler },
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78
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79 { SIGPIPE, "SIGPIPE, SIG_IGN", SIG_IGN },
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80
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81 { 0, NULL, NULL }
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82 };
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83
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84
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85 int ngx_posix_init(ngx_log_t *log)
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86 {
210
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87 ngx_signal_t *sig;
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88 struct rlimit rlmt;
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89 struct sigaction sa;
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90
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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91 ngx_pagesize = getpagesize();
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92
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93 if (ngx_ncpu == 0) {
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94 ngx_ncpu = 1;
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95 }
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96
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97 for (sig = signals; sig->signo != 0; sig++) {
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98 ngx_memzero(&sa, sizeof(struct sigaction));
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99 sa.sa_handler = sig->handler;
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100 sigemptyset(&sa.sa_mask);
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101 if (sigaction(sig->signo, &sa, NULL) == -1) {
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102 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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103 "sigaction(%s) failed", sig->signame);
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104 return NGX_ERROR;
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105 }
191
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106 }
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107
93
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108 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
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109 ngx_log_error(NGX_LOG_ALERT, log, errno,
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110 "getrlimit(RLIMIT_NOFILE) failed)");
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111 return NGX_ERROR;
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112 }
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113
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114 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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115 "getrlimit(RLIMIT_NOFILE): " RLIM_T_FMT ":" RLIM_T_FMT,
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diff changeset
116 rlmt.rlim_cur, rlmt.rlim_max);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 ngx_max_sockets = rlmt.rlim_cur;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 #if (HAVE_INHERITED_NONBLOCK)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 ngx_inherited_nonblocking = 1;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 #else
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 ngx_inherited_nonblocking = 0;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 #endif
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 return NGX_OK;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
130 void ngx_signal_handler(int signo)
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
131 {
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
132 char *action;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
133 struct timeval tv;
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
134 ngx_int_t ignore;
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
135 ngx_err_t err;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
136 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
137
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
138 ignore = 0;
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
139
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
140 err = ngx_errno;
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
141
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
142 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
143 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
144 break;
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 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
147
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
148 ngx_gettimeofday(&tv);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
149 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
150
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
151 action = "";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
152
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
153 switch (ngx_process) {
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
154
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
155 case NGX_PROCESS_MASTER:
236
86e473b5641e nginx-0.0.1-2004-01-22-09:47:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
156 case NGX_PROCESS_SINGLE:
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
157 switch (signo) {
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
diff changeset
158
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
159 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
160 ngx_quit = 1;
238
674f85a4d00f nginx-0.0.1-2004-01-23-12:26:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 236
diff changeset
161 action = ", shutting down";
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
162 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
163
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
164 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
165 case SIGINT:
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
166 ngx_terminate = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
167 action = ", exiting";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
168 break;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
169
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
170 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
171 ngx_noaccept = 1;
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
172 action = ", stop the accepting connections";
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
173 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
174
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
175 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
176 ngx_reconfigure = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
177 action = ", reconfiguring";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
178 break;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
179
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
180 case ngx_signal_value(NGX_REOPEN_SIGNAL):
251
c31c40540318 nginx-0.0.2-2004-02-04-23:30:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
181 ngx_reopen = 1;
c31c40540318 nginx-0.0.2-2004-02-04-23:30:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
182 action = ", reopen logs";
c31c40540318 nginx-0.0.2-2004-02-04-23:30:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
183 break;
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
184
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
185 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
252
84b1c672ec5a nginx-0.0.2-2004-02-05-19:58:36 import
Igor Sysoev <igor@sysoev.ru>
parents: 251
diff changeset
186 if (getppid() > 1 || ngx_new_binary > 0) {
84b1c672ec5a nginx-0.0.2-2004-02-05-19:58:36 import
Igor Sysoev <igor@sysoev.ru>
parents: 251
diff changeset
187
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
188 /*
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
189 * Ignore the signal in the new binary if its parent is
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
190 * not the init process, i.e. the old binary's process
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
191 * is still running. Or ingore the signal in the old binary's
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
192 * process if the new binary's process is already running.
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
193 */
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
194
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
195 action = ", ignoring";
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
196 ignore = 1;
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
197 break;
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
198 }
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
199
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
200 ngx_change_binary = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
201 action = ", changing binary";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
202 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
203
243
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 238
diff changeset
204 case SIGALRM:
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 238
diff changeset
205 if (!ngx_terminate) {
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 238
diff changeset
206 ngx_timer = 1;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
207 action = ", shutting down old worker processes";
243
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 238
diff changeset
208 }
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 238
diff changeset
209
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 238
diff changeset
210 break;
bf2faf694c19 nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 238
diff changeset
211
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
212 case SIGIO:
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
213 ngx_sigio = 1;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
214 break;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
215
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
216 case SIGCHLD:
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
217 ngx_reap = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
218 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
219 }
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
220
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
221 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
222
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
223 case NGX_PROCESS_WORKER:
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
224 switch (signo) {
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
225
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
226 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
227 ngx_quit = 1;
238
674f85a4d00f nginx-0.0.1-2004-01-23-12:26:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 236
diff changeset
228 action = ", shutting down";
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
229 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
230
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
231 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
232 case SIGINT:
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
233 ngx_terminate = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
234 action = ", exiting";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
235 break;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
236
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
237 case ngx_signal_value(NGX_REOPEN_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
238 ngx_reopen = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
239 action = ", reopen logs";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
240 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
241
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
242 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
243 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
244 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
245 case SIGIO:
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
246 action = ", ignoring";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
247 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
248 }
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
249
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
250 break;
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
251 }
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
252
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
253 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, 0,
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
254 "signal %d (%s) received%s", signo, sig->signame, action);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
255
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
256 if (ignore) {
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
257 ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, 0,
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
258 "the changing binary signal is ignored: "
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
259 "you should shutdown or terminate "
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
260 "before either old or new binary's process");
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
261 }
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
262
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
263 if (signo == SIGCHLD) {
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
264 ngx_process_get_status();
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
265 }
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
266
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
267 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
268 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
269
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
270
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
271 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
272 {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273 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
274
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275 if (pipe(pp) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
276 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
277 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
278 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
280 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
281 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
282 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
284
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
285 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
286 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
287 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
288 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
290 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
291
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
292 return NGX_OK;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293 }