annotate src/os/unix/ngx_daemon.c @ 644:ad25218fd14b NGINX_1_0_12

nginx 1.0.12 *) Feature: the "TLSv1.1" and "TLSv1.2" parameters of the "ssl_protocols" directive. *) Feature: the "if" SSI command supports captures in regular expressions. *) Bugfix: the "if" SSI command did not work inside the "block" command. *) Bugfix: in AIO error handling on FreeBSD. *) Bugfix: in the OpenSSL library initialization. *) Bugfix: the "worker_cpu_affinity" directive might not work. *) Bugfix: the "limit_conn_log_level" and "limit_req_log_level" directives might not work. *) Bugfix: the "read_ahead" directive might not work combined with "try_files" and "open_file_cache". *) Bugfix: the "proxy_cache_use_stale" directive with "error" parameter did not return answer from cache if there were no live upstreams. *) Bugfix: a segmentation fault might occur in a worker process if small time was used in the "inactive" parameter of the "proxy_cache_path" directive. *) Bugfix: responses from cache might hang. *) Bugfix: in error handling while connecting to a backend. Thanks to Piotr Sikora. *) Bugfix: in the "epoll" event method. Thanks to Yichun Zhang. *) Bugfix: the $sent_http_cache_control variable might contain a wrong value if the "expires" directive was used. Thanks to Yichun Zhang. *) Bugfix: the "limit_rate" directive did not allow to use full throughput, even if limit value was very high. *) Bugfix: the "sendfile_max_chunk" directive did not work, if the "limit_rate" directive was used. *) Bugfix: nginx could not be built on Solaris; the bug had appeared in 1.0.11. *) Bugfix: in the ngx_http_scgi_module. *) Bugfix: in the ngx_http_mp4_module.
author Igor Sysoev <http://sysoev.ru>
date Mon, 06 Feb 2012 00:00:00 +0400
parents 6cfc63e68377
children
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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12 ngx_int_t ngx_daemon(ngx_log_t *log)
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13 {
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14 int fd;
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16 switch (fork()) {
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17 case -1:
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18 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "fork() failed");
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19 return NGX_ERROR;
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21 case 0:
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22 break;
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24 default:
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25 exit(0);
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26 }
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28 ngx_pid = ngx_getpid();
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30 if (setsid() == -1) {
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31 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "setsid() failed");
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32 return NGX_ERROR;
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33 }
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35 umask(0);
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36
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37 fd = open("/dev/null", O_RDWR);
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38 if (fd == -1) {
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39 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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40 "open(\"/dev/null\") failed");
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41 return NGX_ERROR;
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42 }
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44 if (dup2(fd, STDIN_FILENO) == -1) {
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45 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDIN) failed");
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46 return NGX_ERROR;
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47 }
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49 if (dup2(fd, STDOUT_FILENO) == -1) {
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50 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDOUT) failed");
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51 return NGX_ERROR;
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52 }
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54 #if 0
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55 if (dup2(fd, STDERR_FILENO) == -1) {
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56 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDERR) failed");
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57 return NGX_ERROR;
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58 }
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59 #endif
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61 if (fd > STDERR_FILENO) {
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62 if (close(fd) == -1) {
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63 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "close() failed");
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64 return NGX_ERROR;
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65 }
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66 }
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68 return NGX_OK;
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69 }