X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=blobdiff_plain;f=mymemory.h;h=4c44f5be514c4e8fdd9344f2cee7fb939ca8a3ad;hp=616b155a1e607144fa850a9f002c059cdd6fc61a;hb=f644ed02e576e600c6c562dd8324890aa6dedc08;hpb=ef6f315a9ca3e965cf6bef3142ddd3f33ffa3e95 diff --git a/mymemory.h b/mymemory.h index 616b155..4c44f5b 100644 --- a/mymemory.h +++ b/mymemory.h @@ -1,7 +1,14 @@ +/** @file mymemory.h + * @brief Memory allocation functions. + */ + #ifndef _MY_MEMORY_H #define _MY_MEMORY_H #include #include + +/** 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);\ @@ -16,19 +23,27 @@ MYFREE(p);\ } +/** SNAPSHOTALLOC declares the allocators for a class to allocate + * memory in the snapshotting heap. */ +#define SNAPSHOTALLOC + void *MYMALLOC(size_t size); +void *MYCALLOC(size_t count, 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 -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. -*/ +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: @@ -97,12 +112,14 @@ 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() { @@ -115,10 +132,14 @@ extern "C" { 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 */