memory_allocations.h

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/*
** Copyright 2014-2016 The Earlham Institute
** 
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** 
**     http://www.apache.org/licenses/LICENSE-2.0
** 
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
 
#ifndef MEMORY_ALLOCATIONS_H
#define MEMORY_ALLOCATIONS_H
 
#include "typedefs.h"
#include "grassroots_util_library.h"
 
 
typedef enum MEM_FLAG
{
  MF_ALREADY_FREED,
 
  MF_DEEP_COPY,
 
  MF_SHALLOW_COPY,
 
  MF_SHADOW_USE
} MEM_FLAG;
 
 
#ifdef __cplusplus
  extern "C" {
#endif
 
 
#ifdef AMIGA
  #include "amiga_platform.h"
  #define InitAllocator() InitAmigaAllocator()
  #define ExitAllocator() ExitAmigaAllocator()
  #define AllocMemory(x)  AllocateAmigaMemory(x)
  #define AllocMemoryArray(x,y) AllocateAmigaZeroedArray(x,y)
  #define ReallocMemory(x,y,z)  ReallocateAmigaMemory(x,y,z)
  #define FreeMemory(x) FreeAmigaMemory(x)
  #define IsAllocatorThreadSafe() IsAmigaAllocatorThreadSafe()
#else
 
  #ifdef WINDOWS
  //  #define USE_NEDMALLOC_ALLOCATOR
  #elif defined UNIX
 
  #endif
 
  #ifdef USE_TLSF_ALLOCATOR
  #elif defined USE_NEDMALLOC_ALLOCATOR
    #include "nedmalloc_allocator.h"
    #define InitAllocator() InitNedmallocAllocator()
    #define ExitAllocator() ExitNedmallocAllocator()
    #define AllocMemory(x)  AllocateNedmallocMemory(x)
    #define AllocMemoryArray(x,y) AllocateNedmallocZeroedArray(x,y)
    #define ReallocMemory(x,y,z)  ReallocateNedmallocMemory(x,y,z)
    #define FreeMemory(x) FreeNedmallocMemory(x)
    #define IsAllocatorThreadSafe() IsNedmallocAllocatorThreadSafe()
  #else
    #if defined _DEBUG && defined _MSC_VER
                //#undef _CRTDBG_MAP_ALLOC
        #include <stdlib.h>
                #include <crtdbg.h>
    #else
      #include <stdlib.h>
    #endif
 
    #define InitAllocator() do {} while (0);
 
    #define ExitAllocator() do {} while (0);
 
    #define AllocMemory(x)  malloc(x)
 
 
    #define AllocMemoryArray(x,y) calloc(x,y)
 
    #define ReallocMemory(x,y,z)  realloc(x,y)
 
    #define FreeMemory(x) free(x)
 
    #define IsAllocatorThreadSafe() (1)
  #endif
 
#endif
 
 
struct MappedMemory;
 
 
GRASSROOTS_UTIL_API struct MappedMemory *AllocateSharedMemory (const char *id_s, size_t size, int flags);
 
 
GRASSROOTS_UTIL_API bool FreeSharedMemory (struct MappedMemory *mapped_memory_p);
 
 
GRASSROOTS_UTIL_API void *OpenSharedMemory (struct MappedMemory *mapped_memory_p, int flags);
 
 
GRASSROOTS_UTIL_API bool CloseSharedMemory (struct MappedMemory *mapped_memory_p, void *value_p);
 
 
#ifdef __cplusplus
}
#endif
 
#endif  /* #ifndef MEMORY_ALLOCATIONS_H */