40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* -------------------------------------------------------------------------
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*
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* gen_alloc.h
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*
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*
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* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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* Portions Copyright (c) 2010-2012 Postgres-XC Development Group
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*
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* src/include/gen_alloc.h
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef GEN_ALLOC_H
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#define GEN_ALLOC_H
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/*
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* Common memory allocation binary interface both for openGauss and GTM processes.
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* Especially needed by gtm_serialize.c and gtm_serialize_debug.c
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*/
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typedef struct Gen_Alloc {
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void* (*alloc)(void*, size_t);
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void* (*alloc0)(void*, size_t);
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void* (*realloc)(void*, size_t);
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void (*free)(void*);
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void* (*current_memcontext)(void);
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void* (*allocTop)(size_t);
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} Gen_Alloc;
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extern Gen_Alloc genAlloc_class;
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#define genAlloc(x) genAlloc_class.alloc(genAlloc_class.current_memcontext(), x)
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#define genRealloc(x, y) genAlloc_class.realloc(x, y)
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#define genFree(x) genAlloc_class.free(x)
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#define genAlloc0(x) genAlloc_class.alloc0(genAlloc_class.current_memcontext(), x)
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#define genAllocTop(x) genAlloc_class.allocTop(x)
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#endif /* GEN_ALLOC_H */
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