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50733a53ec
nginx/auto/os/features
Igor Sysoev 40747ad861 Linux accept4() support
2010-11-25 10:15:04 +00:00

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# Copyright (C) Igor Sysoev
NGX_USER=${NGX_USER:-nobody}
if [ -z "$NGX_GROUP" ]; then
if [ $NGX_USER = nobody ]; then
if grep nobody /etc/group 2>&1 >/dev/null; then
echo "checking for nobody group ... found"
NGX_GROUP=nobody
else
echo "checking for nobody group ... not found"
if grep nogroup /etc/group 2>&1 >/dev/null; then
echo "checking for nogroup group ... found"
NGX_GROUP=nogroup
else
echo "checking for nogroup group ... not found"
NGX_GROUP=nobody
fi
fi
else
NGX_GROUP=$NGX_USER
fi
fi
ngx_feature="poll()"
ngx_feature_name=
ngx_feature_run=no
ngx_feature_incs="#include <poll.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int n, dp; struct pollfd pl;
dp = 0;
pl.fd = 0;
pl.events = 0;
pl.revents = 0;
n = poll(&pl, 1, 0)"
. auto/feature
if [ $ngx_found = no ]; then
EVENT_POLL=NONE
fi
ngx_feature="/dev/poll"
ngx_feature_name="NGX_HAVE_DEVPOLL"
ngx_feature_run=no
ngx_feature_incs="#include <sys/devpoll.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int n, dp; struct dvpoll dvp;
dp = 0;
dvp.dp_fds = NULL;
dvp.dp_nfds = 0;
dvp.dp_timeout = 0;
n = ioctl(dp, DP_POLL, &dvp)"
. auto/feature
if [ $ngx_found = yes ]; then
CORE_SRCS="$CORE_SRCS $DEVPOLL_SRCS"
EVENT_MODULES="$EVENT_MODULES $DEVPOLL_MODULE"
EVENT_FOUND=YES
fi
if test -z "$NGX_KQUEUE_CHECKED"; then
ngx_feature="kqueue"
ngx_feature_name="NGX_HAVE_KQUEUE"
ngx_feature_run=no
ngx_feature_incs="#include <sys/event.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int kq; kq = kqueue()"
. auto/feature
if [ $ngx_found = yes ]; then
have=NGX_HAVE_CLEAR_EVENT . auto/have
EVENT_MODULES="$EVENT_MODULES $KQUEUE_MODULE"
CORE_SRCS="$CORE_SRCS $KQUEUE_SRCS"
EVENT_FOUND=YES
ngx_feature="kqueue's NOTE_LOWAT"
ngx_feature_name="NGX_HAVE_LOWAT_EVENT"
ngx_feature_run=no
ngx_feature_incs="#include <sys/event.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="struct kevent kev;
kev.fflags = NOTE_LOWAT;"
. auto/feature
ngx_feature="kqueue's EVFILT_TIMER"
ngx_feature_name="NGX_HAVE_TIMER_EVENT"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/event.h>
#include <sys/time.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int kq;
struct kevent kev;
struct timespec ts;
if ((kq = kqueue()) == -1) return 1;
kev.ident = 0;
kev.filter = EVFILT_TIMER;
kev.flags = EV_ADD|EV_ENABLE;
kev.fflags = 0;
kev.data = 1000;
kev.udata = 0;
ts.tv_sec = 0;
ts.tv_nsec = 0;
if (kevent(kq, &kev, 1, &kev, 1, &ts) == -1) return 1;
if (kev.flags & EV_ERROR) return 1;"
. auto/feature
fi
fi
if [ "$NGX_SYSTEM" = "NetBSD" ]; then
# NetBSD 2.0 incompatibly defines kevent.udata as "intptr_t"
cat << END >> $NGX_AUTO_CONFIG_H
#define NGX_KQUEUE_UDATA_T
END
else
cat << END >> $NGX_AUTO_CONFIG_H
#define NGX_KQUEUE_UDATA_T (void *)
END
fi
ngx_feature="crypt()"
ngx_feature_name=
ngx_feature_run=no
ngx_feature_incs=
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="crypt(\"test\", \"salt\");"
. auto/feature
if [ $ngx_found = no ]; then
ngx_feature="crypt() in libcrypt"
ngx_feature_name=
ngx_feature_run=no
ngx_feature_incs=
ngx_feature_path=
ngx_feature_libs=-lcrypt
. auto/feature
if [ $ngx_found = yes ]; then
CRYPT_LIB="-lcrypt"
fi
fi
ngx_feature="F_READAHEAD"
ngx_feature_name="NGX_HAVE_F_READAHEAD"
ngx_feature_run=no
ngx_feature_incs="#include <fcntl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="fcntl(0, F_READAHEAD, 1);"
. auto/feature
ngx_feature="posix_fadvise()"
ngx_feature_name="NGX_HAVE_POSIX_FADVISE"
ngx_feature_run=no
ngx_feature_incs="#include <fcntl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="posix_fadvise(0, 0, 0, POSIX_FADV_SEQUENTIAL);"
. auto/feature
ngx_feature="O_DIRECT"
ngx_feature_name="NGX_HAVE_O_DIRECT"
ngx_feature_run=no
ngx_feature_incs="#include <fcntl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="fcntl(0, F_SETFL, O_DIRECT);"
. auto/feature
if [ $ngx_found = yes -a "$NGX_SYSTEM" = "Linux" ]; then
have=NGX_HAVE_ALIGNED_DIRECTIO . auto/have
fi
ngx_feature="F_NOCACHE"
ngx_feature_name="NGX_HAVE_F_NOCACHE"
ngx_feature_run=no
ngx_feature_incs="#include <fcntl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="fcntl(0, F_NOCACHE, 1);"
. auto/feature
ngx_feature="directio()"
ngx_feature_name="NGX_HAVE_DIRECTIO"
ngx_feature_run=no
ngx_feature_incs="#include <sys/types.h>
#include <sys/fcntl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="directio(0, DIRECTIO_ON);"
. auto/feature
ngx_feature="statfs()"
ngx_feature_name="NGX_HAVE_STATFS"
ngx_feature_run=no
ngx_feature_incs="$NGX_INCLUDE_SYS_PARAM_H
$NGX_INCLUDE_SYS_MOUNT_H
$NGX_INCLUDE_SYS_VFS_H"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="struct statfs fs;
statfs(NULL, &fs);"
. auto/feature
ngx_feature="statvfs()"
ngx_feature_name="NGX_HAVE_STATVFS"
ngx_feature_run=no
ngx_feature_incs="#include <sys/types.h>
#include <sys/statvfs.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="struct statvfs fs;
statvfs(NULL, &fs);"
. auto/feature
ngx_feature="dlopen()"
ngx_feature_name=
ngx_feature_run=no
ngx_feature_incs="#include <dlfcn.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="dlopen(NULL, 0)"
. auto/feature
if [ $ngx_found != yes ]; then
ngx_feature="dlopen() in libdl"
ngx_feature_libs="-ldl"
. auto/feature
if [ $ngx_found = yes ]; then
NGX_LIBDL="-ldl"
fi
fi
ngx_feature="sched_yield()"
ngx_feature_name="NGX_HAVE_SCHED_YIELD"
ngx_feature_run=no
ngx_feature_incs="#include <sched.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="sched_yield()"
. auto/feature
if [ $ngx_found != yes ]; then
ngx_feature="sched_yield() in librt"
ngx_feature_libs="-lrt"
. auto/feature
if [ $ngx_found = yes ]; then
CORE_LIBS="$CORE_LIBS -lrt"
fi
fi
ngx_feature="SO_SETFIB"
ngx_feature_name="NGX_HAVE_SETFIB"
ngx_feature_run=no
ngx_feature_incs="#include <sys/socket.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_SETFIB, NULL, 4)"
. auto/feature
ngx_feature="accept4()"
ngx_feature_name="NGX_HAVE_ACCEPT4"
ngx_feature_run=no
ngx_feature_incs="#include <sys/socket.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="accept4(0, NULL, NULL, SOCK_NONBLOCK)"
. auto/feature
if [ $NGX_FILE_AIO = YES ]; then
ngx_feature="kqueue AIO support"
ngx_feature_name="NGX_HAVE_FILE_AIO"
ngx_feature_run=no
ngx_feature_incs="#include <aio.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int n; struct aiocb iocb;
iocb.aio_sigevent.sigev_notify = SIGEV_KEVENT;
n = aio_read(&iocb)"
. auto/feature
if [ $ngx_found = yes ]; then
CORE_SRCS="$CORE_SRCS $FILE_AIO_SRCS"
elif [ $ngx_found = no ]; then
ngx_feature="Linux AIO support"
ngx_feature_name="NGX_HAVE_FILE_AIO"
ngx_feature_run=no
ngx_feature_incs="#include <linux/aio_abi.h>
#include <sys/syscall.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int n = SYS_eventfd;
struct iocb iocb;
iocb.aio_lio_opcode = IOCB_CMD_PREAD;
iocb.aio_flags = IOCB_FLAG_RESFD;
iocb.aio_resfd = -1;"
. auto/feature
if [ $ngx_found = yes ]; then
have=NGX_HAVE_EVENTFD . auto/have
CORE_SRCS="$CORE_SRCS $LINUX_AIO_SRCS"
else
cat << END
$0: no supported file AIO was found
Currently file AIO is supported on FreeBSD 4.3+ and Linux 2.6.22+ only
END
exit 1
fi
fi
fi
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