1207753Smm/////////////////////////////////////////////////////////////////////////////// 2207753Smm// 3207753Smm/// \file hardware.h 4207753Smm/// \brief Detection of available hardware resources 5207753Smm// 6207753Smm// Author: Lasse Collin 7207753Smm// 8207753Smm// This file has been put into the public domain. 9207753Smm// You can do whatever you want with this file. 10207753Smm// 11207753Smm/////////////////////////////////////////////////////////////////////////////// 12207753Smm 13207753Smm/// Initialize some hardware-specific variables, which are needed by other 14207753Smm/// hardware_* functions. 15207753Smmextern void hardware_init(void); 16207753Smm 17207753Smm 18292588Sdelphij/// Set the maximum number of worker threads. 19292588Sdelphijextern void hardware_threads_set(uint32_t threadlimit); 20207753Smm 21292588Sdelphij/// Get the maximum number of worker threads. 22292588Sdelphijextern uint32_t hardware_threads_get(void); 23207753Smm 24207753Smm 25213700Smm/// Set the memory usage limit. There are separate limits for compression 26213700Smm/// and decompression (the latter includes also --list), one or both can 27213700Smm/// be set with a single call to this function. Zero indicates resetting 28213700Smm/// the limit back to the defaults. The limit can also be set as a percentage 29213700Smm/// of installed RAM; the percentage must be in the range [1, 100]. 30213700Smmextern void hardware_memlimit_set(uint64_t new_memlimit, 31213700Smm bool set_compress, bool set_decompress, bool is_percentage); 32207753Smm 33213700Smm/// Get the current memory usage limit for compression or decompression. 34213700Smmextern uint64_t hardware_memlimit_get(enum operation_mode mode); 35207753Smm 36213700Smm/// Display the amount of RAM and memory usage limits and exit. 37223935Smmextern void hardware_memlimit_show(void) lzma_attribute((__noreturn__)); 38