path: root/auto/shmem

# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.


# FreeBSD, Solaris, MacOSX

nxt_feature="shm_open()"
nxt_feature_name=NXT_HAVE_SHM_OPEN
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/mman.h>
                  #include <fcntl.h>
                  #include <sys/stat.h>
                  #include <sys/types.h>

                  int main() {
                      static char name[] = \"/unit.configure\";

                      shm_unlink(name);

                      int fd = shm_open(name, O_CREAT | O_EXCL | O_RDWR,
                          S_IRUSR | S_IWUSR);
                      if (fd == -1)
                          return 1;

                      shm_unlink(name);
                      return 0;
                  }"
. auto/feature


if [ $nxt_found = no ]; then

    # Linux and NetBSD 7.0 shm_open() are in librt.

    nxt_feature="shm_open() in librt"
    nxt_feature_libs="-lrt"
    . auto/feature

    if [ $nxt_found = yes ]; then
        NXT_LIBRT=$nxt_feature_libs
    fi
fi


# Linux

nxt_feature="memfd_create()"
nxt_feature_name=NXT_HAVE_MEMFD_CREATE
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <linux/memfd.h>
                  #include <unistd.h>
                  #include <sys/syscall.h>

                  int main() {
                      static char name[] = \"/unit.configure\";

                      int fd = syscall(SYS_memfd_create, name, MFD_CLOEXEC);
                      if (fd == -1)
                          return 1;

                      return 0;
                  }"
. auto/feature