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37 lines
936 B
C
37 lines
936 B
C
#ifndef _NALLOCX_H_
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#define _NALLOCX_H_
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#include <stddef.h>
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#ifndef PERFTOOLS_DLL_DECL
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# ifdef _WIN32
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# define PERFTOOLS_DLL_DECL __declspec(dllimport)
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# else
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# define PERFTOOLS_DLL_DECL
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# endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MALLOCX_LG_ALIGN(la) ((int)(la))
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/*
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* The nallocx function allocates no memory, but it performs the same size
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* computation as the malloc function, and returns the real size of the
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* allocation that would result from the equivalent malloc function call.
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* nallocx is a malloc extension originally implemented by jemalloc:
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* http://www.unix.com/man-page/freebsd/3/nallocx/
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*
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* Note, we only support MALLOCX_LG_ALIGN flag and nothing else.
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*/
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PERFTOOLS_DLL_DECL size_t nallocx(size_t size, int flags);
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/* same as above but never weak */
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PERFTOOLS_DLL_DECL size_t tc_nallocx(size_t size, int flags);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* _NALLOCX_H_ */
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