X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=mymemory.h;h=56e690436d1e573da00bf287e6aff2388f476c0c;hb=ca8ff397344fe054228da40ca7009ba5756e7d1a;hp=481e081e380942bec5333b00a2b3de7bf1ef5404;hpb=1d6c949fef3b5da936f8499dde464f8df634267a;p=model-checker.git diff --git a/mymemory.h b/mymemory.h index 481e081..56e6904 100644 --- a/mymemory.h +++ b/mymemory.h @@ -1,30 +1,51 @@ +/** @file mymemory.h + * @brief Memory allocation functions. + */ + #ifndef _MY_MEMORY_H #define _MY_MEMORY_H #include #include -#define MEMALLOC void *operator new( size_t size ){ \ - return MYMALLOC( size );\ - }\ - void operator delete( void *p, size_t size ){ \ - MYFREE( p ); \ - }\ - void *operator new[]( size_t size ){ \ - return MYMALLOC( size );\ - }\ - void operator delete[]( void *p, size_t size ){\ - MYFREE( p );\ - } +/** MEMALLOC declares the allocators for a class to allocate + * memory in the non-snapshotting heap. */ + +#define MEMALLOC \ + void * operator new(size_t size) { \ + return MYMALLOC(size);\ + }\ + void operator delete(void *p, size_t size) { \ + MYFREE( p ); \ + }\ + void * operator new[](size_t size) { \ + return MYMALLOC(size);\ + }\ + void operator delete[](void *p, size_t size) {\ + MYFREE(p);\ + } + +/** SNAPSHOTALLOC declares the allocators for a class to allocate + * memory in the snapshotting heap. */ + +#define SNAPSHOTALLOC void *MYMALLOC(size_t size); void MYFREE(void *ptr); - -/* -The following code example is taken from the book -The C++ Standard Library - A Tutorial and Reference -by Nicolai M. Josuttis, Addison-Wesley, 1999 -© Copyright Nicolai M. Josuttis 1999 -*/ + +void system_free( void * ptr ); +void *system_malloc( size_t size ); + +/** @brief Provides a non-snapshotting allocator for use in STL classes. + * + * The code was adapted from a code example from the book The C++ + * Standard Library - A Tutorial and Reference by Nicolai M. Josuttis, + * Addison-Wesley, 1999 © Copyright Nicolai M. Josuttis 1999 + * Permission to copy, use, modify, sell and distribute this software + * is granted provided this copyright notice appears in all copies. + * This software is provided "as is" without express or implied + * warranty, and with no claim as to its suitability for any purpose. + */ + template class MyAlloc { public: @@ -93,28 +114,34 @@ template } }; -// return that all specializations of this allocator are interchangeable +/** Return that all specializations of this allocator are interchangeable. */ template bool operator== (const MyAlloc&, const MyAlloc&) throw() { return true; } + +/** Return that all specializations of this allocator are interchangeable. */ template bool operator!= (const MyAlloc&, const MyAlloc&) throw() { return false; } - #ifdef __cplusplus extern "C" { #endif typedef void * mspace; extern void* mspace_malloc(mspace msp, size_t bytes); extern void mspace_free(mspace msp, void* mem); +extern void* mspace_realloc(mspace msp, void* mem, size_t newsize); +extern void* mspace_calloc(mspace msp, size_t n_elements, size_t elem_size); extern mspace create_mspace_with_base(void* base, size_t capacity, int locked); extern mspace create_mspace(size_t capacity, int locked); +extern mspace mySpace; +extern void * basemySpace; #ifdef __cplusplus }; /* end of extern "C" */ #endif -#endif + +#endif /* _MY_MEMORY_H */