Annotation of embedaddon/nginx/src/os/unix/ngx_posix_init.c, revision 1.1
1.1 ! misho 1:
! 2: /*
! 3: * Copyright (C) Igor Sysoev
! 4: * Copyright (C) Nginx, Inc.
! 5: */
! 6:
! 7:
! 8: #include <ngx_config.h>
! 9: #include <ngx_core.h>
! 10: #include <nginx.h>
! 11:
! 12:
! 13: ngx_int_t ngx_ncpu;
! 14: ngx_int_t ngx_max_sockets;
! 15: ngx_uint_t ngx_inherited_nonblocking;
! 16: ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush;
! 17:
! 18:
! 19: struct rlimit rlmt;
! 20:
! 21:
! 22: ngx_os_io_t ngx_os_io = {
! 23: ngx_unix_recv,
! 24: ngx_readv_chain,
! 25: ngx_udp_unix_recv,
! 26: ngx_unix_send,
! 27: ngx_writev_chain,
! 28: 0
! 29: };
! 30:
! 31:
! 32: ngx_int_t
! 33: ngx_os_init(ngx_log_t *log)
! 34: {
! 35: ngx_uint_t n;
! 36:
! 37: #if (NGX_HAVE_OS_SPECIFIC_INIT)
! 38: if (ngx_os_specific_init(log) != NGX_OK) {
! 39: return NGX_ERROR;
! 40: }
! 41: #endif
! 42:
! 43: ngx_init_setproctitle(log);
! 44:
! 45: ngx_pagesize = getpagesize();
! 46: ngx_cacheline_size = NGX_CPU_CACHE_LINE;
! 47:
! 48: for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ }
! 49:
! 50: #if (NGX_HAVE_SC_NPROCESSORS_ONLN)
! 51: if (ngx_ncpu == 0) {
! 52: ngx_ncpu = sysconf(_SC_NPROCESSORS_ONLN);
! 53: }
! 54: #endif
! 55:
! 56: if (ngx_ncpu < 1) {
! 57: ngx_ncpu = 1;
! 58: }
! 59:
! 60: ngx_cpuinfo();
! 61:
! 62: if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
! 63: ngx_log_error(NGX_LOG_ALERT, log, errno,
! 64: "getrlimit(RLIMIT_NOFILE) failed)");
! 65: return NGX_ERROR;
! 66: }
! 67:
! 68: ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur;
! 69:
! 70: #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4)
! 71: ngx_inherited_nonblocking = 1;
! 72: #else
! 73: ngx_inherited_nonblocking = 0;
! 74: #endif
! 75:
! 76: srandom(ngx_time());
! 77:
! 78: return NGX_OK;
! 79: }
! 80:
! 81:
! 82: void
! 83: ngx_os_status(ngx_log_t *log)
! 84: {
! 85: ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER);
! 86:
! 87: #ifdef NGX_COMPILER
! 88: ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER);
! 89: #endif
! 90:
! 91: #if (NGX_HAVE_OS_SPECIFIC_INIT)
! 92: ngx_os_specific_status(log);
! 93: #endif
! 94:
! 95: ngx_log_error(NGX_LOG_NOTICE, log, 0,
! 96: "getrlimit(RLIMIT_NOFILE): %r:%r",
! 97: rlmt.rlim_cur, rlmt.rlim_max);
! 98: }
! 99:
! 100:
! 101: #if 0
! 102:
! 103: ngx_int_t
! 104: ngx_posix_post_conf_init(ngx_log_t *log)
! 105: {
! 106: ngx_fd_t pp[2];
! 107:
! 108: if (pipe(pp) == -1) {
! 109: ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
! 110: return NGX_ERROR;
! 111: }
! 112:
! 113: if (dup2(pp[1], STDERR_FILENO) == -1) {
! 114: ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
! 115: return NGX_ERROR;
! 116: }
! 117:
! 118: if (pp[1] > STDERR_FILENO) {
! 119: if (close(pp[1]) == -1) {
! 120: ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
! 121: return NGX_ERROR;
! 122: }
! 123: }
! 124:
! 125: return NGX_OK;
! 126: }
! 127:
! 128: #endif
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