mirror of
https://github.com/nginx/nginx.git
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120 lines
2.2 KiB
C
120 lines
2.2 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <nginx.h>
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ngx_int_t ngx_ncpu;
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ngx_int_t ngx_max_sockets;
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ngx_uint_t ngx_inherited_nonblocking;
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ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush;
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struct rlimit rlmt;
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ngx_os_io_t ngx_os_io = {
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ngx_unix_recv,
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ngx_readv_chain,
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ngx_udp_unix_recv,
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NULL,
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ngx_writev_chain,
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0
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};
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ngx_int_t
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ngx_os_init(ngx_log_t *log)
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{
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ngx_uint_t n;
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#if (NGX_HAVE_OS_SPECIFIC_INIT)
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if (ngx_os_specific_init(log) != NGX_OK) {
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return NGX_ERROR;
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}
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#endif
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ngx_init_setproctitle(log);
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ngx_pagesize = getpagesize();
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ngx_cacheline_size = NGX_CPU_CACHE_LINE;
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n = ngx_pagesize;
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for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ }
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if (ngx_ncpu == 0) {
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ngx_ncpu = 1;
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}
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ngx_cpuinfo();
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if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
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ngx_log_error(NGX_LOG_ALERT, log, errno,
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"getrlimit(RLIMIT_NOFILE) failed)");
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return NGX_ERROR;
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}
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ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur;
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#if (NGX_HAVE_INHERITED_NONBLOCK)
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ngx_inherited_nonblocking = 1;
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#else
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ngx_inherited_nonblocking = 0;
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#endif
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srandom(ngx_time());
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return NGX_OK;
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}
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void
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ngx_os_status(ngx_log_t *log)
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{
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ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER);
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#ifdef NGX_COMPILER
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ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER);
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#endif
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#if (NGX_HAVE_OS_SPECIFIC_INIT)
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ngx_os_specific_status(log);
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#endif
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ngx_log_error(NGX_LOG_NOTICE, log, 0,
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"getrlimit(RLIMIT_NOFILE): %r:%r",
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rlmt.rlim_cur, rlmt.rlim_max);
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}
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ngx_int_t
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ngx_posix_post_conf_init(ngx_log_t *log)
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{
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ngx_fd_t pp[2];
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if (pipe(pp) == -1) {
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ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
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return NGX_ERROR;
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}
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if (dup2(pp[1], STDERR_FILENO) == -1) {
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ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
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return NGX_ERROR;
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}
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if (pp[1] > STDERR_FILENO) {
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if (close(pp[1]) == -1) {
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ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
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return NGX_ERROR;
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}
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}
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return NGX_OK;
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}
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