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