src/basic/memfd-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <sys/mman.h>           /* IWYU pragma: export */
   5
   6 #include "forward.h"
   7
   8 int memfd_create_wrapper(const char *name, unsigned mode);
   9
  10 int memfd_new_full(const char *name, unsigned extra_flags);
  11 static inline int memfd_new(const char *name) {
  12         return memfd_new_full(name, 0);
  13 }
  14
  15 int memfd_new_and_seal(const char *name, const void *data, size_t sz) _nonnull_if_nonzero_(2, 3);
  16 static inline int memfd_new_and_seal_string(const char *name, const char *s) {
  17         return memfd_new_and_seal(name, s, SIZE_MAX);
  18 }
  19
  20 int memfd_set_sealed(int fd);
  21 int memfd_get_sealed(int fd);
  22
  23 int memfd_get_size(int fd, uint64_t *ret);
  24 int memfd_set_size(int fd, uint64_t sz);