add memfd_create syscall wrapper

1 files changed, 34 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/common/bits/fcntl-linux.h b/libc/sysdeps/linux/common/bits/fcntl-linux.h
new file mode 100644
index 000000000..d0236fd8b
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/fcntl-linux.h
@@ -0,0 +1,34 @@
+/* O_*, F_*, FD_* bit values for Linux.
+   Copyright (C) 2001-2024 Free Software Foundation, Inc.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef	_FCNTL_H
+# error "Never use <bits/fcntl-linux.h> directly; include <fcntl.h> instead."
+#endif
+
+#ifdef __USE_GNU
+/* Types of seals.  */
+# define F_SEAL_SEAL	0x0001	/* Prevent further seals from being set.  */
+# define F_SEAL_SHRINK	0x0002	/* Prevent file from shrinking.  */
+# define F_SEAL_GROW	0x0004	/* Prevent file from growing.  */
+# define F_SEAL_WRITE	0x0008	/* Prevent writes.  */
+# define F_SEAL_FUTURE_WRITE	0x0010	/* Prevent future writes while
+					   mapped.  */
+# define F_SEAL_EXEC	0x0020	/* Prevent chmod modifying exec bits. */
+
+# define F_ADD_SEALS	1033	/* Add seals to file.  */
+# define F_GET_SEALS	1034	/* Get seals for file.  */
+#endif