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| author | Lasse Collin <lasse.collin@tukaani.org> | 2014-06-18 22:04:24 +0300 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2014-06-18 22:04:24 +0300 |
| commit | a115cc3748482e277f42a968baa3cd266f031dba (patch) | |
| tree | 54cf051c55d0aadd67a5b2d5a9edb6b57a09c787 /src/liblzma/api | |
| parent | xz: Check for filter chain compatibility for --flush-timeout. (diff) | |
| download | xz-a115cc3748482e277f42a968baa3cd266f031dba.tar.xz | |
liblzma: Add lzma_cputhreads().
Diffstat (limited to 'src/liblzma/api')
| -rw-r--r-- | src/liblzma/api/lzma/hardware.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/liblzma/api/lzma/hardware.h b/src/liblzma/api/lzma/hardware.h index e7dd03c3..5321d9af 100644 --- a/src/liblzma/api/lzma/hardware.h +++ b/src/liblzma/api/lzma/hardware.h @@ -48,3 +48,17 @@ * 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; |