auto/os/features

   1
   2 # Copyright (C) Igor Sysoev
   3
   4
   5 NGX_USER=${NGX_USER:-nobody}
   6
   7 if [ -z "$NGX_GROUP" ]; then
   8     if [ $NGX_USER = nobody ]; then
   9         if grep nobody /etc/group 2>&1 >/dev/null; then
  10             echo "checking for nobody group ... found"
  11             NGX_GROUP=nobody
  12         else
  13             echo "checking for nobody group ... not found"
  14
  15             if grep nogroup /etc/group 2>&1 >/dev/null; then
  16                 echo "checking for nogroup group ... found"
  17                 NGX_GROUP=nogroup
  18             else
  19                 echo "checking for nogroup group ... not found"
  20                 NGX_GROUP=nobody
  21             fi
  22         fi
  23     else
  24         NGX_GROUP=$NGX_USER
  25     fi
  26 fi
  27
  28
  29 ngx_feature="poll()"
  30 ngx_feature_name=
  31 ngx_feature_run=no
  32 ngx_feature_incs="#include <poll.h>"
  33 ngx_feature_path=
  34 ngx_feature_libs=
  35 ngx_feature_test="int  n, dp; struct pollfd  pl;
  36                   dp = 0;
  37                   pl.fd = 0;
  38                   pl.events = 0;
  39                   pl.revents = 0;
  40                   n = poll(&pl, 1, 0)"
  41 . auto/feature
  42
  43 if [ $ngx_found = no ]; then
  44     EVENT_POLL=NONE
  45 fi
  46
  47
  48 ngx_feature="/dev/poll"
  49 ngx_feature_name="NGX_HAVE_DEVPOLL"
  50 ngx_feature_run=no
  51 ngx_feature_incs="#include <sys/devpoll.h>"
  52 ngx_feature_path=
  53 ngx_feature_libs=
  54 ngx_feature_test="int  n, dp; struct dvpoll  dvp;
  55                   dp = 0;
  56                   dvp.dp_fds = NULL;
  57                   dvp.dp_nfds = 0;
  58                   dvp.dp_timeout = 0;
  59                   n = ioctl(dp, DP_POLL, &dvp)"
  60 . auto/feature
  61
  62 if [ $ngx_found = yes ]; then
  63     CORE_SRCS="$CORE_SRCS $DEVPOLL_SRCS"
  64     EVENT_MODULES="$EVENT_MODULES $DEVPOLL_MODULE"
  65     EVENT_FOUND=YES
  66 fi
  67
  68
  69 if test -z "$NGX_KQUEUE_CHECKED"; then
  70     ngx_feature="kqueue"
  71     ngx_feature_name="NGX_HAVE_KQUEUE"
  72     ngx_feature_run=no
  73     ngx_feature_incs="#include <sys/event.h>"
  74     ngx_feature_path=
  75     ngx_feature_libs=
  76     ngx_feature_test="int kq; kq = kqueue()"
  77     . auto/feature
  78
  79     if [ $ngx_found = yes ]; then
  80
  81         have=NGX_HAVE_CLEAR_EVENT . auto/have
  82         EVENT_MODULES="$EVENT_MODULES $KQUEUE_MODULE"
  83         CORE_SRCS="$CORE_SRCS $KQUEUE_SRCS"
  84         EVENT_FOUND=YES
  85
  86         ngx_feature="kqueue's NOTE_LOWAT"
  87         ngx_feature_name="NGX_HAVE_LOWAT_EVENT"
  88         ngx_feature_run=no
  89         ngx_feature_incs="#include <sys/event.h>"
  90         ngx_feature_path=
  91         ngx_feature_libs=
  92         ngx_feature_test="struct kevent  kev;
  93                           kev.fflags = NOTE_LOWAT;"
  94         . auto/feature
  95
  96
  97         ngx_feature="kqueue's EVFILT_TIMER"
  98         ngx_feature_name="NGX_HAVE_TIMER_EVENT"
  99         ngx_feature_run=yes
 100         ngx_feature_incs="#include <sys/event.h>
 101                           #include <sys/time.h>"
 102         ngx_feature_path=
 103         ngx_feature_libs=
 104         ngx_feature_test="int      kq;
 105                   struct kevent    kev;
 106                   struct timespec  ts;
 107
 108                   if ((kq = kqueue()) == -1) return 1;
 109
 110                   kev.ident = 0;
 111                   kev.filter = EVFILT_TIMER;
 112                   kev.flags = EV_ADD|EV_ENABLE;
 113                   kev.fflags = 0;
 114                   kev.data = 1000;
 115                   kev.udata = 0;
 116
 117                   ts.tv_sec = 0;
 118                   ts.tv_nsec = 0;
 119
 120                   if (kevent(kq, &kev, 1, &kev, 1, &ts) == -1) return 1;
 121
 122                   if (kev.flags & EV_ERROR) return 1;"
 123
 124         . auto/feature
 125     fi
 126 fi
 127
 128
 129 if [ "$NGX_SYSTEM" = "NetBSD" ]; then
 130
 131     # NetBSD 2.0 incompatibly defines kevent.udata as "intptr_t"
 132
 133     cat << END >> $NGX_AUTO_CONFIG_H
 134
 135 #define NGX_KQUEUE_UDATA_T
 136
 137 END
 138
 139 else
 140     cat << END >> $NGX_AUTO_CONFIG_H
 141
 142 #define NGX_KQUEUE_UDATA_T  (void *)
 143
 144 END
 145
 146 fi
 147
 148
 149 ngx_feature="crypt()"
 150 ngx_feature_name=
 151 ngx_feature_run=no
 152 ngx_feature_incs=
 153 ngx_feature_path=
 154 ngx_feature_libs=
 155 ngx_feature_test="crypt(\"test\", \"salt\");"
 156 . auto/feature
 157
 158
 159 if [ $ngx_found = no ]; then
 160
 161     ngx_feature="crypt() in libcrypt"
 162     ngx_feature_name=
 163     ngx_feature_run=no
 164     ngx_feature_incs=
 165     ngx_feature_path=
 166     ngx_feature_libs=-lcrypt
 167     . auto/feature
 168
 169     if [ $ngx_found = yes ]; then
 170         CRYPT_LIB="-lcrypt"
 171     fi
 172 fi
 173
 174
 175 ngx_feature="O_DIRECT"
 176 ngx_feature_name="NGX_HAVE_O_DIRECT"
 177 ngx_feature_run=no
 178 ngx_feature_incs="#include <fcntl.h>"
 179 ngx_feature_path=
 180 ngx_feature_libs=
 181 ngx_feature_test="fcntl(0, F_SETFL, O_DIRECT);"
 182 . auto/feature
 183
 184
 185 if [ $ngx_found = yes -a "$NGX_SYSTEM" = "Linux" ]; then
 186     have=NGX_HAVE_ALIGNED_DIRECTIO . auto/have
 187 fi
 188
 189 ngx_feature="F_NOCACHE"
 190 ngx_feature_name="NGX_HAVE_F_NOCACHE"
 191 ngx_feature_run=no
 192 ngx_feature_incs="#include <fcntl.h>"
 193 ngx_feature_path=
 194 ngx_feature_libs=
 195 ngx_feature_test="fcntl(0, F_NOCACHE, 1);"
 196 . auto/feature
 197
 198
 199 ngx_feature="directio()"
 200 ngx_feature_name="NGX_HAVE_DIRECTIO"
 201 ngx_feature_run=no
 202 ngx_feature_incs="#include <sys/types.h>
 203                   #include <sys/fcntl.h>"
 204 ngx_feature_path=
 205 ngx_feature_libs=
 206 ngx_feature_test="directio(0, DIRECTIO_ON);"
 207 . auto/feature
 208
 209
 210 ngx_feature="statfs()"
 211 ngx_feature_name="NGX_HAVE_STATFS"
 212 ngx_feature_run=no
 213 ngx_feature_incs="$NGX_INCLUDE_SYS_PARAM_H
 214                   $NGX_INCLUDE_SYS_MOUNT_H
 215                   $NGX_INCLUDE_SYS_VFS_H"
 216 ngx_feature_path=
 217 ngx_feature_libs=
 218 ngx_feature_test="struct statfs  fs;
 219                   statfs(NULL, &fs);"
 220 . auto/feature
 221
 222
 223 ngx_feature="statvfs()"
 224 ngx_feature_name="NGX_HAVE_STATVFS"
 225 ngx_feature_run=no
 226 ngx_feature_incs="#include <sys/types.h>
 227                   #include <sys/statvfs.h>"
 228 ngx_feature_path=
 229 ngx_feature_libs=
 230 ngx_feature_test="struct statvfs  fs;
 231                   statvfs(NULL, &fs);"
 232 . auto/feature
 233
 234
 235 ngx_feature="dlopen()"
 236 ngx_feature_name=
 237 ngx_feature_run=no
 238 ngx_feature_incs="#include <dlfcn.h>"
 239 ngx_feature_path=
 240 ngx_feature_libs=
 241 ngx_feature_test="dlopen(NULL, 0)"
 242 . auto/feature
 243
 244
 245 if [ $ngx_found != yes ]; then
 246
 247     ngx_feature="dlopen() in libdl"
 248     ngx_feature_libs="-ldl"
 249     . auto/feature
 250
 251     if [ $ngx_found = yes ]; then
 252         NGX_LIBDL="-ldl"
 253     fi
 254 fi
 255
 256
 257 ngx_feature="sched_yield()"
 258 ngx_feature_name="NGX_HAVE_SCHED_YIELD"
 259 ngx_feature_run=no
 260 ngx_feature_incs="#include <sched.h>"
 261 ngx_feature_path=
 262 ngx_feature_libs=
 263 ngx_feature_test="sched_yield()"
 264 . auto/feature
 265
 266
 267 if [ $ngx_found != yes ]; then
 268
 269     ngx_feature="sched_yield() in librt"
 270     ngx_feature_libs="-lrt"
 271     . auto/feature
 272
 273     if [ $ngx_found = yes ]; then
 274         CORE_LIBS="$CORE_LIBS -lrt"
 275     fi
 276 fi