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#define MEM_ALLOC_NO_GUARDS 1
#include "axml.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <malloc.h>
#endif
#ifdef _RAXML_USE_LLALLOC
// the llalloc library implementation in lockless_alloc/ll_alloc.c exports the alloction functions prefixed
// with 'llalloc'. The following are the forward declarations of the llalloc* functions
#define PREFIX(X) llalloc##X
void *PREFIX(memalign)(size_t align, size_t size);
void *PREFIX(malloc)(size_t size);
void *PREFIX(realloc)(void *p, size_t size);
int PREFIX(posix_memalign)(void **p, size_t align, size_t size);
void *PREFIX(calloc)(size_t n, size_t size);
void PREFIX(free)(void *p);
// wrappers that forward the rax_* functions to the corresponding llalloc* functions
void *rax_memalign(size_t align, size_t size)
{
return PREFIX(memalign)(align, size);
}
void *rax_malloc( size_t size )
{
return PREFIX(malloc)(size);
}
void *rax_realloc( void *p, size_t size ) {
return PREFIX(realloc)(p, size);
}
void rax_free(void *p) {
PREFIX(free)(p);
}
int rax_posix_memalign(void **p, size_t align, size_t size) {
return PREFIX(posix_memalign)(p, align, size);
}
void *rax_calloc(size_t n, size_t size) {
return PREFIX(calloc)(n,size);
}
void *rax_malloc_aligned(size_t size)
{
const size_t BYTE_ALIGNMENT = 32;
return rax_memalign(BYTE_ALIGNMENT, size);
}
#else
// if llalloc should not be used, forward the rax_* functions to the corresponding standard function
static void outOfMemory(void)
{
printf("RAxML was not able to allocate enough memory.\n");
printf("Please check the approximate memory consumption of your dataset using\n");
printf("the memory calculator at http://www.exelixis-lab.org/web/software/raxml/index.html.\n");
printf("RAxML will exit now\n");
errorExit(-1);
}
void *rax_malloc( size_t size )
{
#ifndef WIN32
void
*ptr = (void *)NULL;
int
res = posix_memalign(&ptr, BYTE_ALIGNMENT, size);
if(res != 0)
{
outOfMemory();
assert(0);
}
return ptr;
#else
return _aligned_malloc(size, BYTE_ALIGNMENT);
#endif
}
void *rax_realloc(void *p, size_t size, boolean needsMemoryAlignment)
{
//it's actually not that easy to implement an aligned realloc
//because we need to know the size of the array pointed to by
//the pointer passed as argument
//hence I added this boolean flag that should increase programmer
//awareness about this issue
void
*ptr = (void *)NULL;
if(needsMemoryAlignment)
{
assert(0);
return (void*)NULL;
}
else
{
#ifndef WIN32
ptr = realloc(p, size);
#else
ptr = _aligned_realloc(p, size, BYTE_ALIGNMENT);
#endif
}
if(ptr == (void*)NULL)
{
outOfMemory();
assert(0);
}
return ptr;
}
void rax_free(void *p)
{
#ifndef WIN32
free(p);
#else
_aligned_free(p);
#endif
}
void *rax_calloc(size_t n, size_t size)
{
void
*ptr = rax_malloc(size * n);
memset(ptr, 0, size * n);
return ptr;
}
#endif
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