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# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.
NXT_SHM_PREFIX="/"
# 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 <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
int main(void) {
int ret;
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;
ret = (access(name, F_OK) == 0);
shm_unlink(name);
return ret;
}"
. 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
if [ $nxt_found = no ]; then
# DragonFly has no separate namespace for shm_open().
nxt_feature="shm_open() in /tmp directory"
nxt_feature_libs=
nxt_feature_test="#include <sys/mman.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
int main(void) {
static char name[] = \"/tmp/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 [ $nxt_found = yes ]; then
NXT_SHM_PREFIX="/tmp/"
fi
fi
nxt_shm_open_found=$nxt_found
# FreeBSD 8.0
nxt_feature="shm_open(SHM_ANON)"
nxt_feature_name=NXT_HAVE_SHM_OPEN_ANON
nxt_feature_libs=
nxt_feature_test="#include <sys/mman.h>
#include <fcntl.h>
#include <sys/stat.h>
int main(void) {
int fd = shm_open(SHM_ANON, O_RDWR, S_IRUSR | S_IWUSR);
if (fd == -1)
return 1;
return 0;
}"
. auto/feature
if [ "$nxt_shm_open_found" = no ]; then
nxt_shm_open_found=$nxt_found
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(void) {
static char name[] = \"/unit.configure\";
int fd = syscall(SYS_memfd_create, name, MFD_CLOEXEC);
if (fd == -1)
return 1;
return 0;
}"
. auto/feature
if [ "$nxt_shm_open_found$nxt_found" = nono ]; then
$echo
$echo $0: error: no shared memory implementation found.
$echo
exit 1;
fi
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