nginx/auto/os/linux

   1
   2 # Copyright (C) Igor Sysoev
   3
   4
   5 have=NGX_LINUX . auto/have_headers
   6
   7 CORE_INCS="$UNIX_INCS"
   8 CORE_DEPS="$UNIX_DEPS $LINUX_DEPS"
   9 CORE_SRCS="$UNIX_SRCS $LINUX_SRCS"
  10
  11 ngx_spacer='
  12 '
  13
  14 CC_AUX_FLAGS="$CC_AUX_FLAGS -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
  15
  16
  17 # Linux kernel version
  18
  19 version=$((`uname -r \
  20          | sed 's/^\([^.]*\)\.\([^.]*\)\.\([^.-]*\).*/\1*256*256+\2*256+\3/'`))
  21
  22 version=${version:-0}
  23
  24
  25 # enable the rt signals on Linux between 2.2.19 and 2.6.17
  26
  27 if [ \( $version -ge 131603 -a $version -lt 132626 \) -o $EVENT_RTSIG = YES ]
  28 then
  29     echo " + rt signals found"
  30     have=NGX_HAVE_RTSIG . auto/have
  31     EVENT_MODULES="$EVENT_MODULES $RTSIG_MODULE"
  32     CORE_SRCS="$CORE_SRCS $RTSIG_SRCS"
  33     EVENT_FOUND=YES
  34 fi
  35
  36
  37 # epoll, EPOLLET version
  38
  39 ngx_feature="epoll"
  40 ngx_feature_name="NGX_HAVE_EPOLL"
  41 ngx_feature_run=yes
  42 ngx_feature_incs="#include <sys/epoll.h>"
  43 ngx_feature_path=
  44 ngx_feature_libs=
  45 ngx_feature_test="int efd = 0, fd = 1, n;
  46                   struct epoll_event ee;
  47                   ee.events = EPOLLIN|EPOLLOUT|EPOLLET;
  48                   ee.data.ptr = NULL;
  49                   efd = epoll_create(100);
  50                   if (efd == -1) return 1;"
  51 . auto/feature
  52
  53 if [ $ngx_found = yes ]; then
  54     have=NGX_HAVE_CLEAR_EVENT . auto/have
  55     CORE_SRCS="$CORE_SRCS $EPOLL_SRCS"
  56     EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE"
  57     EVENT_FOUND=YES
  58 fi
  59
  60
  61 # sendfile()
  62
  63 CC_AUX_FLAGS="$CC_AUX_FLAGS -D_GNU_SOURCE"
  64 ngx_feature="sendfile()"
  65 ngx_feature_name="NGX_HAVE_SENDFILE"
  66 ngx_feature_run=yes
  67 ngx_feature_incs="#include <sys/sendfile.h>
  68 #include <errno.h>"
  69 ngx_feature_path=
  70 ngx_feature_libs=
  71 ngx_feature_test="int s = 0, fd = 1;
  72                   ssize_t n; off_t off = 0;
  73                   n = sendfile(s, fd, &off, 1);
  74                   if (n == -1 && errno == ENOSYS) return 1"
  75 . auto/feature
  76
  77 if [ $ngx_found = yes ]; then
  78     CORE_SRCS="$CORE_SRCS $LINUX_SENDFILE_SRCS"
  79 fi
  80
  81
  82 # sendfile64()
  83
  84 CC_AUX_FLAGS="$CC_AUX_FLAGS -D_FILE_OFFSET_BITS=64"
  85 ngx_feature="sendfile64()"
  86 ngx_feature_name="NGX_HAVE_SENDFILE64"
  87 ngx_feature_run=yes
  88 ngx_feature_incs="#include <sys/sendfile.h>
  89 #include <errno.h>"
  90 ngx_feature_path=
  91 ngx_feature_libs=
  92 ngx_feature_test="int s = 0, fd = 1;
  93                   ssize_t n; off_t off = 0;
  94                   n = sendfile(s, fd, &off, 1);
  95                   if (n == -1 && errno == ENOSYS) return 1"
  96 . auto/feature
  97
  98
  99 ngx_include="sys/prctl.h"; . auto/include
 100
 101 # prctl(PR_SET_DUMPABLE)
 102
 103 ngx_feature="prctl(PR_SET_DUMPABLE)"
 104 ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE"
 105 ngx_feature_run=yes
 106 ngx_feature_incs="#include <sys/prctl.h>"
 107 ngx_feature_path=
 108 ngx_feature_libs=
 109 ngx_feature_test="if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) return 1"
 110 . auto/feature
 111
 112
 113 # sched_setaffinity()
 114
 115 ngx_feature="sched_setaffinity()"
 116 ngx_feature_name="NGX_HAVE_SCHED_SETAFFINITY"
 117 ngx_feature_run=no
 118 ngx_feature_incs="#include <sched.h>"
 119 ngx_feature_path=
 120 ngx_feature_libs=
 121 ngx_feature_test="long mask = 0;
 122                   sched_setaffinity(0, 32, (cpu_set_t *) &mask)"
 123 . auto/feature