X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3fe1dfd358798ef005607b3118f36adb914375d2..4958902994c0093f688d9aea855c43eae2dd6dd2:/src/xbt/mmalloc/mmprivate.h diff --git a/src/xbt/mmalloc/mmprivate.h b/src/xbt/mmalloc/mmprivate.h index ccc667dc8f..63ee257685 100644 --- a/src/xbt/mmalloc/mmprivate.h +++ b/src/xbt/mmalloc/mmprivate.h @@ -17,6 +17,7 @@ #include "xbt/xbt_os_thread.h" #include "xbt/mmalloc.h" #include "xbt/ex.h" +#include "xbt/dynar.h" #include #include @@ -106,6 +107,18 @@ struct mstats size_t bytes_free; /* Byte total of chunks in the free list. */ }; +typedef struct s_heap_area{ + int block; + int fragment; +}s_heap_area_t, *heap_area_t; + +typedef struct s_heap_area_pair{ + int block1; + int fragment1; + int block2; + int fragment2; +}s_heap_area_pair_t, *heap_area_pair_t; + /* Data structure giving per-block information. * * There is one such structure in the mdp->heapinfo array per block used in that heap, @@ -129,26 +142,27 @@ struct mstats * The type field is consistently updated for every blocks, even within clusters of blocks. * You can crawl the array and rely on that value. * - * TODO: - * - make room to store the backtrace of where the blocks and fragment were malloced, too. */ typedef struct { int type; /* 0: busy large block >0: busy fragmented (fragments of size 2^type bytes) <0: free block */ + union { /* Heap information for a busy block. */ struct { size_t nfree; /* Free fragments in a fragmented block. */ size_t first; /* First free fragment of the block. */ - unsigned short frag_size[MAX_FRAGMENT_PER_BLOCK]; + short frag_size[MAX_FRAGMENT_PER_BLOCK]; void *bt[MAX_FRAGMENT_PER_BLOCK][XBT_BACKTRACE_SIZE]; /* Where it was malloced (or realloced lastly) */ + heap_area_t equal_to[MAX_FRAGMENT_PER_BLOCK]; } busy_frag; struct { size_t size; /* Size (in blocks) of a large cluster. */ size_t busy_size; /* Actually used space, in bytes */ void *bt[XBT_BACKTRACE_SIZE]; /* Where it was malloced (or realloced lastly) */ int bt_size; + heap_area_t equal_to; } busy_block; /* Heap information for a free block (that may be the first of a free cluster). */ struct { @@ -238,12 +252,6 @@ struct mdesc { }; -int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2); - -void mmalloc_display_info(void *h); - -//void *get_end_addr_heap(void *s_heap); - /* Bits to look at in the malloc descriptor flags word */ #define MMALLOC_DEVZERO (1 << 0) /* Have mapped to /dev/zero */ @@ -272,4 +280,6 @@ extern void *mmorecore(struct mdesc *mdp, int size); #define LOCK(mdp) sem_wait(&mdp->sem) #define UNLOCK(mdp) sem_post(&mdp->sem) +void check_fraghead(struct mdesc *mdp); + #endif /* __MMPRIVATE_H */