| |
| # Copyright (C) Igor Sysoev |
| # Copyright (C) Nginx, Inc. |
| |
| |
| have=NGX_LINUX . auto/have_headers |
| |
| CORE_INCS="$UNIX_INCS" |
| CORE_DEPS="$UNIX_DEPS $LINUX_DEPS" |
| CORE_SRCS="$UNIX_SRCS $LINUX_SRCS" |
| |
| ngx_spacer=' |
| ' |
| |
| cc_aux_flags="$CC_AUX_FLAGS" |
| CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |
| |
| |
| # Linux kernel version |
| |
| version=$((`uname -r \ |
| | sed -n -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/ \ |
| \1*256*256+\2*256+\3/p' \ |
| -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1*256*256+\2*256/p'`)) |
| |
| version=${version:-0} |
| |
| |
| # posix_fadvise64() had been implemented in 2.5.60 |
| |
| if [ $version -lt 132412 ]; then |
| have=NGX_HAVE_POSIX_FADVISE . auto/nohave |
| fi |
| |
| # epoll, EPOLLET version |
| |
| ngx_feature="epoll" |
| ngx_feature_name="NGX_HAVE_EPOLL" |
| ngx_feature_run=yes |
| ngx_feature_incs="#include <sys/epoll.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="int efd = 0; |
| struct epoll_event ee; |
| ee.events = EPOLLIN|EPOLLOUT|EPOLLET; |
| ee.data.ptr = NULL; |
| (void) ee; |
| efd = epoll_create(100); |
| if (efd == -1) return 1;" |
| . auto/feature |
| |
| if [ $ngx_found = yes ]; then |
| have=NGX_HAVE_CLEAR_EVENT . auto/have |
| CORE_SRCS="$CORE_SRCS $EPOLL_SRCS" |
| EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE" |
| EVENT_FOUND=YES |
| |
| |
| # EPOLLRDHUP appeared in Linux 2.6.17, glibc 2.8 |
| |
| ngx_feature="EPOLLRDHUP" |
| ngx_feature_name="NGX_HAVE_EPOLLRDHUP" |
| ngx_feature_run=no |
| ngx_feature_incs="#include <sys/epoll.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="int efd = 0, fd = 0; |
| struct epoll_event ee; |
| ee.events = EPOLLIN|EPOLLRDHUP|EPOLLET; |
| ee.data.ptr = NULL; |
| epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)" |
| . auto/feature |
| |
| |
| # EPOLLEXCLUSIVE appeared in Linux 4.5, glibc 2.24 |
| |
| ngx_feature="EPOLLEXCLUSIVE" |
| ngx_feature_name="NGX_HAVE_EPOLLEXCLUSIVE" |
| ngx_feature_run=no |
| ngx_feature_incs="#include <sys/epoll.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="int efd = 0, fd = 0; |
| struct epoll_event ee; |
| ee.events = EPOLLIN|EPOLLEXCLUSIVE; |
| ee.data.ptr = NULL; |
| epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)" |
| . auto/feature |
| fi |
| |
| |
| # O_PATH and AT_EMPTY_PATH were introduced in 2.6.39, glibc 2.14 |
| |
| ngx_feature="O_PATH" |
| ngx_feature_name="NGX_HAVE_O_PATH" |
| ngx_feature_run=no |
| ngx_feature_incs="#include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="int fd; struct stat sb; |
| fd = openat(AT_FDCWD, \".\", O_PATH|O_DIRECTORY|O_NOFOLLOW); |
| if (fstatat(fd, \"\", &sb, AT_EMPTY_PATH) != 0) return 1" |
| . auto/feature |
| |
| |
| # sendfile() |
| |
| CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE" |
| ngx_feature="sendfile()" |
| ngx_feature_name="NGX_HAVE_SENDFILE" |
| ngx_feature_run=yes |
| ngx_feature_incs="#include <sys/sendfile.h> |
| #include <errno.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="int s = 0, fd = 1; |
| ssize_t n; off_t off = 0; |
| n = sendfile(s, fd, &off, 1); |
| if (n == -1 && errno == ENOSYS) return 1" |
| . auto/feature |
| |
| if [ $ngx_found = yes ]; then |
| CORE_SRCS="$CORE_SRCS $LINUX_SENDFILE_SRCS" |
| fi |
| |
| |
| # sendfile64() |
| |
| CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |
| ngx_feature="sendfile64()" |
| ngx_feature_name="NGX_HAVE_SENDFILE64" |
| ngx_feature_run=yes |
| ngx_feature_incs="#include <sys/sendfile.h> |
| #include <errno.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="int s = 0, fd = 1; |
| ssize_t n; off_t off = 0; |
| n = sendfile(s, fd, &off, 1); |
| if (n == -1 && errno == ENOSYS) return 1" |
| . auto/feature |
| |
| |
| ngx_include="sys/prctl.h"; . auto/include |
| |
| # prctl(PR_SET_DUMPABLE) |
| |
| ngx_feature="prctl(PR_SET_DUMPABLE)" |
| ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE" |
| ngx_feature_run=yes |
| ngx_feature_incs="#include <sys/prctl.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) return 1" |
| . auto/feature |
| |
| |
| # prctl(PR_SET_KEEPCAPS) |
| |
| ngx_feature="prctl(PR_SET_KEEPCAPS)" |
| ngx_feature_name="NGX_HAVE_PR_SET_KEEPCAPS" |
| ngx_feature_run=yes |
| ngx_feature_incs="#include <sys/prctl.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) == -1) return 1" |
| . auto/feature |
| |
| |
| # capabilities |
| |
| ngx_feature="capabilities" |
| ngx_feature_name="NGX_HAVE_CAPABILITIES" |
| ngx_feature_run=no |
| ngx_feature_incs="#include <linux/capability.h> |
| #include <sys/syscall.h>" |
| ngx_feature_path= |
| ngx_feature_libs= |
| ngx_feature_test="struct __user_cap_data_struct data; |
| struct __user_cap_header_struct header; |
| |
| header.version = _LINUX_CAPABILITY_VERSION_1; |
| data.effective = CAP_TO_MASK(CAP_NET_RAW); |
| data.permitted = 0; |
| |
| (void) SYS_capset" |
| . auto/feature |
| |
| |
| # crypt_r() |
| |
| ngx_feature="crypt_r()" |
| ngx_feature_name="NGX_HAVE_GNU_CRYPT_R" |
| ngx_feature_run=no |
| ngx_feature_incs="#include <crypt.h>" |
| ngx_feature_path= |
| ngx_feature_libs=-lcrypt |
| ngx_feature_test="struct crypt_data cd; |
| crypt_r(\"key\", \"salt\", &cd);" |
| . auto/feature |
| |
| |
| ngx_include="sys/vfs.h"; . auto/include |
| |
| |
| CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |