AM_MAINTAINER_MODE
+AC_CHECK_HEADERS(sys/memfd.h)
+AC_CHECK_FUNCS([memfd_create])
+
AC_CHECK_HEADERS(sys/mman.h)
AC_CHECK_FUNCS([mmap mkostemp])
AC_FUNC_MMAP_BLACKLIST
#include <stddef.h>
#include <unistd.h>
+#ifdef HAVE_SYS_MEMFD_H
+#include <sys/memfd.h>
+#endif
static const size_t overhead =
(sizeof(max_align_t) > sizeof(void *) + sizeof(size_t)) ?
/* The amount of space already allocated from the temporary file. */
static size_t execsize = 0;
+#ifdef HAVE_MEMFD_CREATE
+/* Open a temporary file name, and immediately unlink it. */
+static int
+open_temp_exec_file_memfd (const char *name)
+{
+ int fd;
+ fd = memfd_create (name, MFD_CLOEXEC);
+ return fd;
+}
+#endif
+
/* Open a temporary file name, and immediately unlink it. */
static int
open_temp_exec_file_name (char *name, int flags)
const char *arg;
int repeat;
} open_temp_exec_file_opts[] = {
+#ifdef HAVE_MEMFD_CREATE
+ { open_temp_exec_file_memfd, "libffi", 0 },
+#endif
{ open_temp_exec_file_env, "TMPDIR", 0 },
{ open_temp_exec_file_dir, "/tmp", 0 },
{ open_temp_exec_file_dir, "/var/tmp", 0 },