| /////////////////////////////////////////////////////////////////////////////// |
| // |
| /// \file hardware.h |
| /// \brief Detection of available hardware resources |
| // |
| // Author: Lasse Collin |
| // |
| // This file has been put into the public domain. |
| // You can do whatever you want with this file. |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| /// Initialize some hardware-specific variables, which are needed by other |
| /// hardware_* functions. |
| extern void hardware_init(void); |
| |
| |
| /// Set custom value for maximum number of coder threads. |
| extern void hardware_threadlimit_set(uint32_t threadlimit); |
| |
| /// Get the maximum number of coder threads. Some additional helper threads |
| /// are allowed on top of this). |
| extern uint32_t hardware_threadlimit_get(void); |
| |
| |
| /// Set the memory usage limit. There are separate limits for compression |
| /// and decompression (the latter includes also --list), one or both can |
| /// be set with a single call to this function. Zero indicates resetting |
| /// the limit back to the defaults. The limit can also be set as a percentage |
| /// of installed RAM; the percentage must be in the range [1, 100]. |
| extern void hardware_memlimit_set(uint64_t new_memlimit, |
| bool set_compress, bool set_decompress, bool is_percentage); |
| |
| /// Get the current memory usage limit for compression or decompression. |
| extern uint64_t hardware_memlimit_get(enum operation_mode mode); |
| |
| /// Display the amount of RAM and memory usage limits and exit. |
| extern void hardware_memlimit_show(void) lzma_attribute((__noreturn__)); |