diff options
Diffstat (limited to 'winsup/mingw/include/malloc.h')
| -rw-r--r-- | winsup/mingw/include/malloc.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/winsup/mingw/include/malloc.h b/winsup/mingw/include/malloc.h index 85ad4e8d3..9c412404b 100644 --- a/winsup/mingw/include/malloc.h +++ b/winsup/mingw/include/malloc.h @@ -41,20 +41,25 @@ /* * The structure used to walk through the heap with _heapwalk. - * TODO: This is a guess at the internals of this structure. */ typedef struct _heapinfo { - void* ptr; - unsigned int size; - int in_use; + int* _pentry; + size_t _size; + int _useflag; } _HEAPINFO; +/* Values for _heapinfo.useflag */ +#define _USEDENTRY 0 +#define _FREEENTRY 1 #ifdef __cplusplus extern "C" { #endif - +/* + The _heap* memory allocation functions are supported on NT + but not W9x. On latter, they always set errno to ENOSYS. +*/ int _heapwalk (_HEAPINFO*); #ifndef _NO_OLDNAMES @@ -64,7 +69,11 @@ int heapwalk (_HEAPINFO*); int _heapchk (void); /* Verify heap integrety. */ int _heapmin (void); /* Return unused heap to the OS. */ int _heapset (unsigned int); + size_t _msize (void*); +size_t _get_sbh_threshold (void); +int _set_sbh_threshold (size_t); +void * _expand (void*, size_t); #ifdef __cplusplus } |