X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d78311982007a2c778ff692c35c9d2787642c199..d013cec453ee914baf3c62275ea2042c41e7c270:/include/xbt/mmalloc.h diff --git a/include/xbt/mmalloc.h b/include/xbt/mmalloc.h index d3d23a7671..0a5dadee72 100644 --- a/include/xbt/mmalloc.h +++ b/include/xbt/mmalloc.h @@ -18,44 +18,61 @@ # include /* for NULL */ #endif -/* Allocate SIZE bytes of memory. */ -extern void *mmalloc(void *md, size_t size); +#include "xbt/dynar.h" + +/* Datatype representing a separate heap. The whole point of the mmalloc module + * is to allow several such heaps in the process. It thus works by redefining + * all the classical memory management functions (malloc and friends) with an + * extra first argument: the heap in which the memory is to be taken. + * + * The heap structure itself is an opaque object that shouldnt be messed with. + */ +typedef struct mdesc *xbt_mheap_t; + +/* Allocate SIZE bytes of memory (and memset it to 0). */ +XBT_PUBLIC( void ) *mmalloc(xbt_mheap_t md, size_t size); + +/* Allocate SIZE bytes of memory (and don't mess with it) */ +void *mmalloc_no_memset(xbt_mheap_t mdp, size_t size); /* Re-allocate the previously allocated block in void*, making the new block SIZE bytes long. */ -extern void *mrealloc(void *md, void *ptr, size_t size); - -/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */ -extern void *mcalloc(void *md, size_t nmemb, size_t size); +XBT_PUBLIC( void ) *mrealloc(xbt_mheap_t md, void *ptr, size_t size); /* Free a block allocated by `mmalloc', `mrealloc' or `mcalloc'. */ -extern void mfree(void *md, void *ptr); +XBT_PUBLIC( void ) mfree(xbt_mheap_t md, void *ptr); /* Allocate SIZE bytes allocated to ALIGNMENT bytes. */ -extern void *mmemalign(void *md, size_t alignment, size_t size); +XBT_PUBLIC( void ) *mmemalign(xbt_mheap_t md, size_t alignment, size_t size); /* Allocate SIZE bytes on a page boundary. */ -extern void *mvalloc(void *md, size_t size); +XBT_PUBLIC( void ) *mvalloc(xbt_mheap_t md, size_t size); -extern void *mmalloc_attach(int fd, void *baseaddr); +XBT_PUBLIC( xbt_mheap_t ) xbt_mheap_new(int fd, void *baseaddr); -extern void mmalloc_detach_no_free(void *md); +XBT_PUBLIC( void ) xbt_mheap_destroy_no_free(xbt_mheap_t md); -extern void *mmalloc_detach(void *md); +XBT_PUBLIC( void ) *xbt_mheap_destroy(xbt_mheap_t md); /* return the heap used when NULL is passed as first argument to any mm* function */ -extern void *mmalloc_get_default_md(void); +XBT_PUBLIC( xbt_mheap_t ) mmalloc_get_default_md(void); -extern void *mmalloc_findbase(int size); - -extern int mmalloc_compare_heap(void *h1, void *h2, void *std_heap_addr); +/* To change the heap used when using the legacy version malloc/free/realloc and such */ +void mmalloc_set_current_heap(xbt_mheap_t new_heap); +xbt_mheap_t mmalloc_get_current_heap(void); -extern void mmalloc_display_info_heap(void *h); +int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stacks1, xbt_dynar_t *stacks2, xbt_dynar_t equals); +int mmalloc_linear_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2); +void init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2); +void match_equals(xbt_dynar_t list, xbt_dynar_t equals); +int compare_area(void *area1, void* area2, xbt_dynar_t previous, xbt_dynar_t equals); -/* To change the heap used when using the legacy version malloc/free/realloc and such */ -void mmalloc_set_current_heap(void *new_heap); -void *mmalloc_get_current_heap(void); +void mmalloc_backtrace_block_display(void* heapinfo, int block); +void mmalloc_backtrace_fragment_display(void* heapinfo, int block, int frag); +void mmalloc_backtrace_display(void *addr); +int is_free_area(void *area, xbt_mheap_t heap); +size_t mmalloc_get_bytes_used(xbt_mheap_t); #endif /* MMALLOC_H */