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annotate src/os/unix/ngx_posix_init.c @ 93:738fe44c70d5

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nginx-0.0.1-2003-05-21-17:28:21 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 21 May 2003 13:28:21 +0000
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children 1c002f2b77ed
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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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>
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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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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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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10 int ngx_posix_init(ngx_log_t *log)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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11 {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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12 struct sigaction sa;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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13 struct rlimit rlmt;
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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15 ngx_memzero(&sa, sizeof(struct sigaction));
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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16 sa.sa_handler = SIG_IGN;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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17 sigemptyset(&sa.sa_mask);
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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19 if (sigaction(SIGPIPE, &sa, NULL) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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20 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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21 "sigaction(SIGPIPE, SIG_IGN) failed");
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22 return NGX_ERROR;
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23 }
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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26 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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27 ngx_log_error(NGX_LOG_ALERT, log, errno,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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28 "getrlimit(RLIMIT_NOFILE) failed)");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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29 return NGX_ERROR;
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30 }
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32 ngx_log_error(NGX_LOG_INFO, log, 0,
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33 "getrlimit(RLIMIT_NOFILE): %qd:%qd",
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34 rlmt.rlim_cur, rlmt.rlim_max);
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35
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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36 ngx_max_sockets = rlmt.rlim_cur;
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37
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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38 #if (HAVE_INHERITED_NONBLOCK)
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39 ngx_inherited_nonblocking = 1;
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40 #else
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41 ngx_inherited_nonblocking = 0;
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42 #endif
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43
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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44 return NGX_OK;
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45 }
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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48 int ngx_posix_post_conf_init(ngx_log_t *log)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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49 {
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50 ngx_fd_t pp[2];
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51
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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52 if (pipe(pp) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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53 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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54 return NGX_ERROR;
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55 }
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56
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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57 if (dup2(pp[1], STDERR_FILENO) == -1) {
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58 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
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59 return NGX_ERROR;
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60 }
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61
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62 if (pp[1] > STDERR_FILENO) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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63 if (close(pp[1]) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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64 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
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65 return NGX_ERROR;
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66 }
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67 }
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68
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69 return NGX_OK;
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70 }