X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9f694bd4f38492add20baa019eb60ed4079d684e..c9bee92e0541ed3ccbd101e900b912720b9996b0:/src/xbt/mmalloc/mmprivate.h diff --git a/src/xbt/mmalloc/mmprivate.h b/src/xbt/mmalloc/mmprivate.h index 62024e909b..c122547ce6 100644 --- a/src/xbt/mmalloc/mmprivate.h +++ b/src/xbt/mmalloc/mmprivate.h @@ -26,10 +26,6 @@ # endif #endif -#ifndef MIN -# define MIN(A, B) ((A) < (B) ? (A) : (B)) -#endif - #define MMALLOC_MAGIC "mmalloc" /* Mapped file magic number */ #define MMALLOC_MAGIC_SIZE 8 /* Size of magic number buf */ #define MMALLOC_VERSION 1 /* Current mmalloc version */ @@ -92,8 +88,10 @@ typedef union { size_t nfree; /* Free fragments in a fragmented block. */ size_t first; /* First free fragment of the block. */ } frag; - /* Size (in blocks) of a large cluster. */ - size_t size; + struct { + size_t size; /* Size (in blocks) of a large cluster. */ + size_t busy_size; + } block; } info; } busy; /* Heap information for a free block (that may be the first of @@ -163,47 +161,6 @@ struct mdesc { /* Some flag bits to keep track of various internal things. */ unsigned int flags; - /* If a system call made by the mmalloc package fails, the errno is - preserved for future examination. */ - int saved_errno; - - /* Pointer to the function that is used to get more core, or return core - to the system, for requests using this malloc descriptor. For memory - mapped regions, this is the mmap() based routine. There may also be - a single malloc descriptor that points to an sbrk() based routine - for systems without mmap() or for applications that call the mmalloc() - package with a NULL malloc descriptor. - - FIXME: For mapped regions shared by more than one process, this - needs to be maintained on a per-process basis. */ - void *(*morecore) (struct mdesc * mdp, int size); - - /* Pointer to the function that causes an abort when the memory checking - features are activated. By default this is set to abort(), but can - be set to another function by the application using mmalloc(). - - FIXME: For mapped regions shared by more than one process, this - needs to be maintained on a per-process basis. */ - void (*abortfunc) (void); - - /* Debugging hook for free. - - FIXME: For mapped regions shared by more than one process, this - needs to be maintained on a per-process basis. */ - void (*mfree_hook) (void *mdp, void *ptr); - - /* Debugging hook for `malloc'. - - FIXME: For mapped regions shared by more than one process, this - needs to be maintained on a per-process basis. */ - void *(*mmalloc_hook) (void *mdp, size_t size); - - /* Debugging hook for realloc. - - FIXME: For mapped regions shared by more than one process, this - needs to be maintained on a per-process basis. */ - void *(*mrealloc_hook) (void *mdp, void *ptr, size_t size); - /* Number of info entries. */ size_t heapsize; @@ -272,7 +229,6 @@ void mmalloc_display_info(void *h); #define MMALLOC_DEVZERO (1 << 0) /* Have mapped to /dev/zero */ #define MMALLOC_ANONYMOUS (1 << 1) /* Use anonymous mapping */ #define MMALLOC_INITIALIZED (1 << 2) /* Initialized mmalloc */ -#define MMALLOC_MMCHECK_USED (1 << 3) /* mmcheckf() called already */ /* Internal version of `mfree' used in `morecore'. */ @@ -297,6 +253,11 @@ extern void *__mmalloc_mmap_morecore(struct mdesc *mdp, int size); extern void *__mmalloc_remap_core(struct mdesc *mdp); +/* Get core for the memory region specified by MDP, using SIZE as the + amount to either add to or subtract from the existing region. Works + like sbrk(), but using mmap(). */ +extern void *mmorecore(struct mdesc *mdp, int size); + /* Macro to convert from a user supplied malloc descriptor to pointer to the internal malloc descriptor. If the user supplied descriptor is NULL, then use the default internal version, initializing it if necessary. Otherwise