rtxMemory.h File Reference

Memory management function and macro definitions. More...

#include "rtxsrc/rtxContext.h"

Go to the source code of this file.

Defines
#define	OSRTALLOCTYPE(pctxt, type)   (type*) rtxMemHeapAlloc (&(pctxt)->pMemHeap, sizeof(type))
	This macro allocates a single element of the given type.
#define	OSRTALLOCTYPEZ(pctxt, type)   (type*) rtxMemHeapAllocZ (&(pctxt)->pMemHeap, sizeof(type))
	This macro allocates and zeros a single element of the given type.
#define	OSRTREALLOCARRAY(pctxt, pseqof, type)
	Reallocate an array.
#define	rtxMemAlloc(pctxt, nbytes)   rtxMemHeapAlloc(&(pctxt)->pMemHeap,nbytes)
	Allocate memory.
#define	rtxMemSysAlloc(pctxt, nbytes)   rtxMemHeapSysAlloc(&(pctxt)->pMemHeap,nbytes)
	This macro makes a direct call to the configured system memory allocation function.
#define	rtxMemAllocZ(pctxt, nbytes)   rtxMemHeapAllocZ(&(pctxt)->pMemHeap,nbytes)
	Allocate and zero memory.
#define	rtxMemSysAllocZ(pctxt, nbytes)   rtxMemHeapSysAllocZ(&(pctxt)->pMemHeap,nbytes)
	Allocate and zero memory.
#define	rtxMemRealloc(pctxt, mem_p, nbytes)   rtxMemHeapRealloc(&(pctxt)->pMemHeap, (void*)mem_p, nbytes)
	Reallocate memory.
#define	rtxMemSysRealloc(pctxt, mem_p, nbytes)   rtxMemHeapSysRealloc(&(pctxt)->pMemHeap,(void*)mem_p,nbytes)
	This macro makes a direct call to the configured system memory reallocation function to do the reallocation.
#define	rtxMemFreePtr(pctxt, mem_p)   rtxMemHeapFreePtr(&(pctxt)->pMemHeap, (void*)mem_p)
	Free memory pointer.
#define	rtxMemSysFreePtr(pctxt, mem_p)   rtxMemHeapSysFreePtr(&(pctxt)->pMemHeap, (void*)mem_p)
	This macro makes a direct call to the configured system memory free function.
#define	rtxMemAllocType(pctxt, ctype)   (ctype*)rtxMemHeapAlloc(&(pctxt)->pMemHeap,sizeof(ctype))
	Allocate type.
#define	rtxMemSysAllocType(pctxt, ctype)   (ctype*)rtxMemHeapSysAlloc(&(pctxt)->pMemHeap,sizeof(ctype))
	Allocate type.
#define	rtxMemAllocTypeZ(pctxt, ctype)   (ctype*)rtxMemHeapAllocZ(&(pctxt)->pMemHeap,sizeof(ctype))
	Allocate type and zero memory.
#define	rtxMemSysAllocTypeZ(pctxt, ctype)   (ctype*)rtxMemHeapSysAllocZ(&(pctxt)->pMemHeap,sizeof(ctype))
	Allocate type and zero memory.
#define	rtxMemFreeType(pctxt, mem_p)   rtxMemHeapFreePtr(&(pctxt)->pMemHeap, (void*)mem_p)
	Free memory pointer.
#define	rtxMemSysFreeType(pctxt, mem_p)   rtxMemHeapSysFreePtr(&(pctxt)->pMemHeap, (void*)mem_p)
	Free memory pointer.
#define	rtxMemAllocArray(pctxt, n, type)   (type*)rtxMemHeapAlloc (&(pctxt)->pMemHeap, sizeof(type)*n)
	Allocate a dynamic array.
#define	rtxMemSysAllocArray(pctxt, n, type)   (type*)rtxMemHeapSysAlloc (&(pctxt)->pMemHeap, sizeof(type)*n)
	Allocate a dynamic array.
#define	rtxMemAllocArrayZ(pctxt, n, type)   (type*)rtxMemHeapAllocZ (&(pctxt)->pMemHeap, sizeof(type)*n)
	Allocate a dynamic array and zero memory.
#define	rtxMemFreeArray(pctxt, mem_p)   rtxMemHeapFreePtr(&(pctxt)->pMemHeap, (void*)mem_p)
	Free memory pointer.
#define	rtxMemSysFreeArray(pctxt, mem_p)   rtxMemHeapSysFreePtr(&(pctxt)->pMemHeap, (void*)mem_p)
	Free memory pointer.
#define	rtxMemReallocArray(pctxt, mem_p, n, type)   (type*)rtxMemHeapRealloc(&(pctxt)->pMemHeap, (void*)mem_p, sizeof(type)*n)
	Reallocate memory.
#define	rtxMemNewAutoPtr(pctxt, nbytes)   rtxMemHeapAlloc(&(pctxt)->pMemHeap, nbytes)
	This function allocates a new block of memory and creates an auto-pointer with reference count set to one.
#define	rtxMemAutoPtrRef(pctxt, ptr)   rtxMemHeapAutoPtrRef(&(pctxt)->pMemHeap, (void*)(ptr))
	This function increments the auto-pointer reference count.
#define	rtxMemAutoPtrUnref(pctxt, ptr)   rtxMemHeapAutoPtrUnref(&(pctxt)->pMemHeap, (void*)(ptr))
	This function decrements the auto-pointer reference count.
#define	rtxMemAutoPtrGetRefCount(pctxt, ptr)   rtxMemHeapAutoPtrGetRefCount(&(pctxt)->pMemHeap, (void*)(ptr))
	This function returns the reference count of the given pointer.
#define	rtxMemCheckPtr(pctxt, mem_p)   rtxMemHeapCheckPtr(&(pctxt)->pMemHeap, (void*)mem_p)
	Check memory pointer.
#define	rtxMemCheck(pctxt)   rtxMemHeapCheck(&(pctxt)->pMemHeap, __FILE__, __LINE__)
	Check memory heap.
#define	rtxMemPrint(pctxt)   rtxMemHeapPrint(&(pctxt)->pMemHeap)
	Print memory heap structure to stderr.
#define	rtxMemSetProperty(pctxt, propId, pProp)   rtxMemHeapSetProperty (&(pctxt)->pMemHeap, propId, pProp)
	Set memory heap property.
Functions
EXTERNRT void	rtxMemSetAllocFuncs (OSMallocFunc malloc_func, OSReallocFunc realloc_func, OSFreeFunc free_func)
	This function sets the pointers to standard allocation functions.
EXTERNRT OSUINT32	rtxMemHeapGetDefBlkSize (OSCTXT *pctxt)
	This function returns the actual granularity of memory blocks in the context.
EXTERNRT void	rtxMemSetDefBlkSize (OSUINT32 blkSize)
	This function sets the minimum size and the granularity of memory blocks for newly created memory heaps.
EXTERNRT OSUINT32	rtxMemGetDefBlkSize ()
	This function returns the actual granularity of memory blocks.
EXTERNRT OSBOOL	rtxMemHeapIsEmpty (OSCTXT *pctxt)
	This function determines if the memory heap defined in the give context is empty (i.e.
EXTERNRT OSBOOL	rtxMemIsZero (const void *pmem, size_t memsiz)
	This helper function determines if an arbitrarily sized block of memory is set to zero.
EXTERNRT void	rtxMemFree (OSCTXT *pctxt)
	Free memory associated with a context.
EXTERNRT void	rtxMemReset (OSCTXT *pctxt)
	Reset memory associated with a context.

---

Detailed Description

Memory management function and macro definitions.

Definition in file rtxMemory.h.