mempool_types.h (2793B)
1 /* SPDX-License-Identifier: LGPL-2.1-or-later OR (GPL-2.0-or-later WITH eCos-exception-2.0) */ 2 /* 3 This file is part of GNU libmicrohttpd. 4 Copyright (C) 2025 Evgeny Grin (Karlson2k) 5 6 GNU libmicrohttpd is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 GNU libmicrohttpd is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 Alternatively, you can redistribute GNU libmicrohttpd and/or 17 modify it under the terms of the GNU General Public License as 18 published by the Free Software Foundation; either version 2 of 19 the License, or (at your option) any later version, together 20 with the eCos exception, as follows: 21 22 As a special exception, if other files instantiate templates or 23 use macros or inline functions from this file, or you compile this 24 file and link it with other works to produce a work based on this 25 file, this file does not by itself cause the resulting work to be 26 covered by the GNU General Public License. However the source code 27 for this file must still be made available in accordance with 28 section (3) of the GNU General Public License v2. 29 30 This exception does not invalidate any other reasons why a work 31 based on this file might be covered by the GNU General Public 32 License. 33 34 You should have received copies of the GNU Lesser General Public 35 License and the GNU General Public License along with this library; 36 if not, see <https://www.gnu.org/licenses/>. 37 */ 38 39 /** 40 * @file src/mhd2/mempool_types.h 41 * @brief Special types for use with memory pool functions 42 * @author Karlson2k (Evgeny Grin) 43 */ 44 45 #ifndef MHD_MEMPOOL_TYPES_H 46 #define MHD_MEMPOOL_TYPES_H 1 47 48 #include "mhd_sys_options.h" 49 50 /** 51 * Opaque handle for a memory pool. 52 * Pools are not reentrant and must not be used 53 * by multiple threads. 54 */ 55 struct mhd_MemoryPool; 56 57 /** 58 * Controls zeroing of allocated and deallocated memory 59 */ 60 enum MHD_FIXED_ENUM_ mhd_MemPoolZeroing 61 { 62 /** 63 * Never zero the memory. 64 * Allocated memory may contain garbage. 65 * Deallocated regions are not wiped. 66 */ 67 MHD_MEMPOOL_ZEROING_NEVER = 0 68 , 69 /** 70 * Zero memory on pool initialisation and on every reset operation. 71 * Deallocated and re-allocated memory areas are not wiped. 72 */ 73 MHD_MEMPOOL_ZEROING_ON_RESET 74 , 75 /** 76 * Zero memory on pool creation, on every reset and 77 * on every deallocation/re-allocation. 78 */ 79 MHD_MEMPOOL_ZEROING_ALWAYS 80 }; 81 82 #endif /* ! MHD_MEMPOOL_TYPES_H */