|  |  | 
|  | # 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 | 
|  |  | 
|  |  | 
|  | 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 |