1 /* O_*, F_*, FD_* bit values for Linux. 2 Copyright (C) 2001-2024 Free Software Foundation, Inc. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _FCNTL_H 19 # error "Never use <bits/fcntl-linux.h> directly; include <fcntl.h> instead." 20 #endif 21 22 #ifdef __USE_GNU 23 /* Types of seals. */ 24 # define F_SEAL_SEAL 0x0001 /* Prevent further seals from being set. */ 25 # define F_SEAL_SHRINK 0x0002 /* Prevent file from shrinking. */ 26 # define F_SEAL_GROW 0x0004 /* Prevent file from growing. */ 27 # define F_SEAL_WRITE 0x0008 /* Prevent writes. */ 28 # define F_SEAL_FUTURE_WRITE 0x0010 /* Prevent future writes while 29 mapped. */ 30 # define F_SEAL_EXEC 0x0020 /* Prevent chmod modifying exec bits. */ 31 32 # define F_ADD_SEALS 1033 /* Add seals to file. */ 33 # define F_GET_SEALS 1034 /* Get seals for file. */ 34 #endif 35