mi_malloc.cpp File Reference

#include "assert.h"
#include "basic.hpp"
#include "fast_alloc.hpp"
#include "tm_ostream.hpp"
#include <errno.h>
#include <mimalloc.h>

Include dependency graph for mi_malloc.cpp:

Go to the source code of this file.

Functions
void *	fast_alloc (size_t sz)
void	fast_free (void *ptr, size_t sz)
void *	fast_realloc (void *ptr, size_t, size_t new_size)
void *	fast_new (size_t s)
void	fast_delete (void *ptr)
bool	visit_mem (const mi_heap_t *heap, const mi_heap_area_t *heapinfo, void *block, size_t blocksize, void *arg)
int	mem_used ()
void	mem_info ()
void	mem_err_handler (int err, void *arg)
void	mem_init ()

Function Documentation

fast_alloc()

void * fast_alloc

(

size_t

sz

)

Definition at line 24 of file mi_malloc.cpp.

                       {
  return mi_malloc (sz);
}

fast_free()

void fast_free	(	void *	ptr,
		size_t	sz )

Definition at line 29 of file mi_malloc.cpp.

                                 {
  mi_free (ptr);
}

fast_realloc()

void * fast_realloc	(	void *	ptr,
		size_t	old_size,
		size_t	new_size )

Definition at line 34 of file mi_malloc.cpp.

                                                  {
  return mi_realloc (ptr, new_size);
}

fast_new()

void * fast_new

(

size_t

s

)

Definition at line 39 of file mi_malloc.cpp.

                    {
  return mi_malloc (s);
}

fast_delete()

void fast_delete

(

void *

ptr

)

Definition at line 44 of file mi_malloc.cpp.

                        {
  mi_free (ptr);
}

visit_mem()

bool visit_mem	(	const mi_heap_t *	heap,
		const mi_heap_area_t *	heapinfo,
		void *	block,
		size_t	blocksize,
		void *	arg )

Definition at line 53 of file mi_malloc.cpp.

                                        {
  int* count= (int*) arg;
  *count+= heapinfo->used;
  return true;
}

mem_used()

int mem_used

(

)

Definition at line 61 of file mi_malloc.cpp.

            {
  mi_heap_t* heap = mi_heap_get_default ();
  int        count= 0;
  mi_heap_visit_blocks (heap, false, visit_mem, &count);
  return count;
}

mem_info()

void mem_info

(

)

Definition at line 69 of file mi_malloc.cpp.

            {
  cout << "\n---------------- memory statistics ----------------\n";
  cout << "malloc overrided:" << mi_is_redirected () << "\n";
}

mem_err_handler()

void mem_err_handler	(	int	err,
		void *	arg )

Definition at line 75 of file mi_malloc.cpp.

                                     {
  switch (err) {
  case ENOMEM:
    cerr << "Fatal error: out of memory\n";
    break;
  case EINVAL:
    cerr << "Fatal error: invalid pointer\n";
    break;
  case EFAULT:
    cerr << "Corrupted heap. Please check whether there are objects used after "
            "free.\n";
    break;
  case EOVERFLOW:
    cerr << "Fatal error: input argument of allocator is too large\n";
    break;
  case EAGAIN:
    cerr << "Double free detected\n";
    break;
  default:
    break;
  }
  abort ();
}

mem_init()

void mem_init

(

)

Definition at line 100 of file mi_malloc.cpp.

            {
  mi_register_error (mem_err_handler, NULL);
}