1*27162e4eSAndroid Build Coastguard Worker /* 2*27162e4eSAndroid Build Coastguard Worker LZ4conf.h - compile-time parameters 3*27162e4eSAndroid Build Coastguard Worker Copyright (C) Yann Collet 2011-2024 4*27162e4eSAndroid Build Coastguard Worker GPL v2 License 5*27162e4eSAndroid Build Coastguard Worker 6*27162e4eSAndroid Build Coastguard Worker This program is free software; you can redistribute it and/or modify 7*27162e4eSAndroid Build Coastguard Worker it under the terms of the GNU General Public License as published by 8*27162e4eSAndroid Build Coastguard Worker the Free Software Foundation; either version 2 of the License, or 9*27162e4eSAndroid Build Coastguard Worker (at your option) any later version. 10*27162e4eSAndroid Build Coastguard Worker 11*27162e4eSAndroid Build Coastguard Worker This program is distributed in the hope that it will be useful, 12*27162e4eSAndroid Build Coastguard Worker but WITHOUT ANY WARRANTY; without even the implied warranty of 13*27162e4eSAndroid Build Coastguard Worker MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*27162e4eSAndroid Build Coastguard Worker GNU General Public License for more details. 15*27162e4eSAndroid Build Coastguard Worker 16*27162e4eSAndroid Build Coastguard Worker You should have received a copy of the GNU General Public License along 17*27162e4eSAndroid Build Coastguard Worker with this program; if not, write to the Free Software Foundation, Inc., 18*27162e4eSAndroid Build Coastguard Worker 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19*27162e4eSAndroid Build Coastguard Worker 20*27162e4eSAndroid Build Coastguard Worker You can contact the author at : 21*27162e4eSAndroid Build Coastguard Worker - LZ4 source repository : https://github.com/lz4/lz4 22*27162e4eSAndroid Build Coastguard Worker - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c 23*27162e4eSAndroid Build Coastguard Worker */ 24*27162e4eSAndroid Build Coastguard Worker 25*27162e4eSAndroid Build Coastguard Worker #ifndef LZ4CONF_H_32432 26*27162e4eSAndroid Build Coastguard Worker #define LZ4CONF_H_32432 27*27162e4eSAndroid Build Coastguard Worker 28*27162e4eSAndroid Build Coastguard Worker 29*27162e4eSAndroid Build Coastguard Worker /* Default compression level. 30*27162e4eSAndroid Build Coastguard Worker * Can be overridden by environment variable LZ4_CLEVEL. 31*27162e4eSAndroid Build Coastguard Worker * Can be overridden at runtime using -# command */ 32*27162e4eSAndroid Build Coastguard Worker #ifndef LZ4_CLEVEL_DEFAULT 33*27162e4eSAndroid Build Coastguard Worker # define LZ4_CLEVEL_DEFAULT 1 34*27162e4eSAndroid Build Coastguard Worker #endif 35*27162e4eSAndroid Build Coastguard Worker 36*27162e4eSAndroid Build Coastguard Worker /* Determines if multithreading is enabled or not 37*27162e4eSAndroid Build Coastguard Worker * Default: disabled */ 38*27162e4eSAndroid Build Coastguard Worker #ifndef LZ4IO_MULTITHREAD 39*27162e4eSAndroid Build Coastguard Worker # ifdef _WIN32 40*27162e4eSAndroid Build Coastguard Worker /* Windows support Completion Ports */ 41*27162e4eSAndroid Build Coastguard Worker # define LZ4IO_MULTITHREAD 1 42*27162e4eSAndroid Build Coastguard Worker # else 43*27162e4eSAndroid Build Coastguard Worker /* Requires <pthread> support. 44*27162e4eSAndroid Build Coastguard Worker * Can't be reliably and portably tested at source code level */ 45*27162e4eSAndroid Build Coastguard Worker # define LZ4IO_MULTITHREAD 0 46*27162e4eSAndroid Build Coastguard Worker # endif 47*27162e4eSAndroid Build Coastguard Worker #endif 48*27162e4eSAndroid Build Coastguard Worker 49*27162e4eSAndroid Build Coastguard Worker /* Determines default nb of threads for compression 50*27162e4eSAndroid Build Coastguard Worker * Default value is 0, which means "auto" : 51*27162e4eSAndroid Build Coastguard Worker * nb of threads is determined from detected local cpu. 52*27162e4eSAndroid Build Coastguard Worker * Can be overriden by Environment Variable LZ4_NBWORKERS. 53*27162e4eSAndroid Build Coastguard Worker * Can be overridden at runtime using -T# command */ 54*27162e4eSAndroid Build Coastguard Worker #ifndef LZ4_NBWORKERS_DEFAULT 55*27162e4eSAndroid Build Coastguard Worker # define LZ4_NBWORKERS_DEFAULT 0 56*27162e4eSAndroid Build Coastguard Worker #endif 57*27162e4eSAndroid Build Coastguard Worker 58*27162e4eSAndroid Build Coastguard Worker /* Maximum nb of compression threads selectable at runtime */ 59*27162e4eSAndroid Build Coastguard Worker #ifndef LZ4_NBWORKERS_MAX 60*27162e4eSAndroid Build Coastguard Worker # define LZ4_NBWORKERS_MAX 200 61*27162e4eSAndroid Build Coastguard Worker #endif 62*27162e4eSAndroid Build Coastguard Worker 63*27162e4eSAndroid Build Coastguard Worker /* Determines default lz4 block size when none provided. 64*27162e4eSAndroid Build Coastguard Worker * Default value is 7, which represents 4 MB. 65*27162e4eSAndroid Build Coastguard Worker * Can be overridden at runtime using -B# command */ 66*27162e4eSAndroid Build Coastguard Worker #ifndef LZ4_BLOCKSIZEID_DEFAULT 67*27162e4eSAndroid Build Coastguard Worker # define LZ4_BLOCKSIZEID_DEFAULT 7 68*27162e4eSAndroid Build Coastguard Worker #endif 69*27162e4eSAndroid Build Coastguard Worker 70*27162e4eSAndroid Build Coastguard Worker 71*27162e4eSAndroid Build Coastguard Worker #endif /* LZ4CONF_H_32432 */ 72