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Nama	Ukuran	Aksi
base.h	24.28 MB	View DL Edit
bcj.h	2.57 MB	View DL Edit
block.h	21.59 MB	View DL Edit
check.h	4.16 MB	View DL Edit
container.h	24.26 MB	View DL Edit
delta.h	1.82 MB	View DL Edit
filter.h	16.13 MB	View DL Edit
hardware.h	2.54 MB	View DL Edit
index.h	22.94 MB	View DL Edit
index_hash.h	3.82 MB	View DL Edit
lzma12.h	14.4 MB	View DL Edit
stream_flags.h	8.06 MB	View DL Edit
version.h	3.42 MB	View DL Edit
vli.h	6.39 MB	View DL Edit

Edit file: /usr/include/lzma/hardware.h

/**
 * \file        lzma/hardware.h
 * \brief       Hardware information
 *
 * Since liblzma can consume a lot of system resources, it also provides
 * ways to limit the resource usage. Applications linking against liblzma
 * need to do the actual decisions how much resources to let liblzma to use.
 * To ease making these decisions, liblzma provides functions to find out
 * the relevant capabilities of the underlying hardware. Currently there
 * is only a function to find out the amount of RAM, but in the future there
 * will be also a function to detect how many concurrent threads the system
 * can run.
 *
 * \note        On some operating systems, these function may temporarily
 *              load a shared library or open file descriptor(s) to find out
 *              the requested hardware information. Unless the application
 *              assumes that specific file descriptors are not touched by
 *              other threads, this should have no effect on thread safety.
 *              Possible operations involving file descriptors will restart
 *              the syscalls if they return EINTR.
 */

/*
 * Author: Lasse Collin
 *
 * This file has been put into the public domain.
 * You can do whatever you want with this file.
 *
 * See ../lzma.h for information about liblzma as a whole.
 */

#ifndef LZMA_H_INTERNAL
#	error Never include this file directly. Use <lzma.h> instead.
#endif

/**
 * \brief       Get the total amount of physical memory (RAM) in bytes
 *
 * This function may be useful when determining a reasonable memory
 * usage limit for decompressing or how much memory it is OK to use
 * for compressing.
 *
 * \return      On success, the total amount of physical memory in bytes
 *              is returned. If the amount of RAM cannot be determined,
 *              zero is returned. This can happen if an error occurs
 *              or if there is no code in liblzma to detect the amount
 *              of RAM on the specific operating system.
 */
extern LZMA_API(uint64_t) lzma_physmem(void) lzma_nothrow;

/**
 * \brief       Get the number of processor cores or threads
 *
 * This function may be useful when determining how many threads to use.
 * If the hardware supports more than one thread per CPU core, the number
 * of hardware threads is returned if that information is available.
 *
 * \brief       On success, the number of available CPU threads or cores is
 *              returned. If this information isn't available or an error
 *              occurs, zero is returned.
 */
extern LZMA_API(uint32_t) lzma_cputhreads(void) lzma_nothrow;

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