From 811cd361e144dd7bdf75bcad8b4572ec786af5c7 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sun, 11 Aug 2024 20:22:48 +0200 Subject: add memfd_create syscall wrapper --- libc/sysdeps/linux/common/bits/fcntl-linux.h | 34 ++++++++++++++++++++++++++++ libc/sysdeps/linux/common/bits/mman-shared.h | 2 -- 2 files changed, 34 insertions(+), 2 deletions(-) create mode 100644 libc/sysdeps/linux/common/bits/fcntl-linux.h (limited to 'libc/sysdeps/linux/common/bits') 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 + . */ + +#ifndef _FCNTL_H +# error "Never use directly; include 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 diff --git a/libc/sysdeps/linux/common/bits/mman-shared.h b/libc/sysdeps/linux/common/bits/mman-shared.h index 98c9e1d3c..c40ae2d1e 100644 --- a/libc/sysdeps/linux/common/bits/mman-shared.h +++ b/libc/sysdeps/linux/common/bits/mman-shared.h @@ -40,11 +40,9 @@ __BEGIN_DECLS -#if 0 /* Create a new memory file descriptor. NAME is a name for debugging. FLAGS is a combination of the MFD_* constants. */ int memfd_create (const char *__name, unsigned int __flags) __THROW; -#endif /* Lock pages from ADDR (inclusive) to ADDR + LENGTH (exclusive) into memory. FLAGS is a combination of the MLOCK_* flags above. */ -- cgit v1.2.3